1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (c) 2012-2014 NVIDIA CORPORATION.  All rights reserved.
4  */
5 
6 #include <linux/io.h>
7 #include <linux/clk.h>
8 #include <linux/clk-provider.h>
9 #include <linux/clkdev.h>
10 #include <linux/of.h>
11 #include <linux/of_address.h>
12 #include <linux/syscore_ops.h>
13 #include <linux/delay.h>
14 #include <linux/export.h>
15 #include <linux/mutex.h>
16 #include <linux/clk/tegra.h>
17 #include <dt-bindings/clock/tegra210-car.h>
18 #include <dt-bindings/reset/tegra210-car.h>
19 #include <linux/sizes.h>
20 #include <soc/tegra/pmc.h>
21 
22 #include "clk.h"
23 #include "clk-id.h"
24 
25 /*
26  * TEGRA210_CAR_BANK_COUNT: the number of peripheral clock register
27  * banks present in the Tegra210 CAR IP block.  The banks are
28  * identified by single letters, e.g.: L, H, U, V, W, X, Y.  See
29  * periph_regs[] in drivers/clk/tegra/clk.c
30  */
31 #define TEGRA210_CAR_BANK_COUNT			7
32 
33 #define CLK_SOURCE_CSITE 0x1d4
34 #define CLK_SOURCE_EMC 0x19c
35 #define CLK_SOURCE_SOR1 0x410
36 #define CLK_SOURCE_SOR0 0x414
37 #define CLK_SOURCE_LA 0x1f8
38 #define CLK_SOURCE_SDMMC2 0x154
39 #define CLK_SOURCE_SDMMC4 0x164
40 #define CLK_SOURCE_EMC_DLL 0x664
41 
42 #define PLLC_BASE 0x80
43 #define PLLC_OUT 0x84
44 #define PLLC_MISC0 0x88
45 #define PLLC_MISC1 0x8c
46 #define PLLC_MISC2 0x5d0
47 #define PLLC_MISC3 0x5d4
48 
49 #define PLLC2_BASE 0x4e8
50 #define PLLC2_MISC0 0x4ec
51 #define PLLC2_MISC1 0x4f0
52 #define PLLC2_MISC2 0x4f4
53 #define PLLC2_MISC3 0x4f8
54 
55 #define PLLC3_BASE 0x4fc
56 #define PLLC3_MISC0 0x500
57 #define PLLC3_MISC1 0x504
58 #define PLLC3_MISC2 0x508
59 #define PLLC3_MISC3 0x50c
60 
61 #define PLLM_BASE 0x90
62 #define PLLM_MISC1 0x98
63 #define PLLM_MISC2 0x9c
64 #define PLLP_BASE 0xa0
65 #define PLLP_MISC0 0xac
66 #define PLLP_MISC1 0x680
67 #define PLLA_BASE 0xb0
68 #define PLLA_MISC0 0xbc
69 #define PLLA_MISC1 0xb8
70 #define PLLA_MISC2 0x5d8
71 #define PLLD_BASE 0xd0
72 #define PLLD_MISC0 0xdc
73 #define PLLD_MISC1 0xd8
74 #define PLLU_BASE 0xc0
75 #define PLLU_OUTA 0xc4
76 #define PLLU_MISC0 0xcc
77 #define PLLU_MISC1 0xc8
78 #define PLLX_BASE 0xe0
79 #define PLLX_MISC0 0xe4
80 #define PLLX_MISC1 0x510
81 #define PLLX_MISC2 0x514
82 #define PLLX_MISC3 0x518
83 #define PLLX_MISC4 0x5f0
84 #define PLLX_MISC5 0x5f4
85 #define PLLE_BASE 0xe8
86 #define PLLE_MISC0 0xec
87 #define PLLD2_BASE 0x4b8
88 #define PLLD2_MISC0 0x4bc
89 #define PLLD2_MISC1 0x570
90 #define PLLD2_MISC2 0x574
91 #define PLLD2_MISC3 0x578
92 #define PLLE_AUX 0x48c
93 #define PLLRE_BASE 0x4c4
94 #define PLLRE_MISC0 0x4c8
95 #define PLLRE_OUT1 0x4cc
96 #define PLLDP_BASE 0x590
97 #define PLLDP_MISC 0x594
98 
99 #define PLLC4_BASE 0x5a4
100 #define PLLC4_MISC0 0x5a8
101 #define PLLC4_OUT 0x5e4
102 #define PLLMB_BASE 0x5e8
103 #define PLLMB_MISC1 0x5ec
104 #define PLLA1_BASE 0x6a4
105 #define PLLA1_MISC0 0x6a8
106 #define PLLA1_MISC1 0x6ac
107 #define PLLA1_MISC2 0x6b0
108 #define PLLA1_MISC3 0x6b4
109 
110 #define PLLU_IDDQ_BIT 31
111 #define PLLCX_IDDQ_BIT 27
112 #define PLLRE_IDDQ_BIT 24
113 #define PLLA_IDDQ_BIT 25
114 #define PLLD_IDDQ_BIT 20
115 #define PLLSS_IDDQ_BIT 18
116 #define PLLM_IDDQ_BIT 5
117 #define PLLMB_IDDQ_BIT 17
118 #define PLLXP_IDDQ_BIT 3
119 
120 #define PLLCX_RESET_BIT 30
121 
122 #define PLL_BASE_LOCK BIT(27)
123 #define PLLCX_BASE_LOCK BIT(26)
124 #define PLLE_MISC_LOCK BIT(11)
125 #define PLLRE_MISC_LOCK BIT(27)
126 
127 #define PLL_MISC_LOCK_ENABLE 18
128 #define PLLC_MISC_LOCK_ENABLE 24
129 #define PLLDU_MISC_LOCK_ENABLE 22
130 #define PLLU_MISC_LOCK_ENABLE 29
131 #define PLLE_MISC_LOCK_ENABLE 9
132 #define PLLRE_MISC_LOCK_ENABLE 30
133 #define PLLSS_MISC_LOCK_ENABLE 30
134 #define PLLP_MISC_LOCK_ENABLE 18
135 #define PLLM_MISC_LOCK_ENABLE 4
136 #define PLLMB_MISC_LOCK_ENABLE 16
137 #define PLLA_MISC_LOCK_ENABLE 28
138 #define PLLU_MISC_LOCK_ENABLE 29
139 #define PLLD_MISC_LOCK_ENABLE 18
140 
141 #define PLLA_SDM_DIN_MASK 0xffff
142 #define PLLA_SDM_EN_MASK BIT(26)
143 
144 #define PLLD_SDM_EN_MASK BIT(16)
145 
146 #define PLLD2_SDM_EN_MASK BIT(31)
147 #define PLLD2_SSC_EN_MASK 0
148 
149 #define PLLDP_SS_CFG	0x598
150 #define PLLDP_SDM_EN_MASK BIT(31)
151 #define PLLDP_SSC_EN_MASK BIT(30)
152 #define PLLDP_SS_CTRL1	0x59c
153 #define PLLDP_SS_CTRL2	0x5a0
154 
155 #define PMC_PLLM_WB0_OVERRIDE 0x1dc
156 #define PMC_PLLM_WB0_OVERRIDE_2 0x2b0
157 
158 #define UTMIP_PLL_CFG2 0x488
159 #define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6)
160 #define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
161 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
162 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP BIT(1)
163 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
164 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP BIT(3)
165 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
166 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERUP BIT(5)
167 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN BIT(24)
168 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP BIT(25)
169 
170 #define UTMIP_PLL_CFG1 0x484
171 #define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27)
172 #define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
173 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17)
174 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16)
175 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15)
176 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14)
177 #define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12)
178 
179 #define SATA_PLL_CFG0				0x490
180 #define SATA_PLL_CFG0_PADPLL_RESET_SWCTL	BIT(0)
181 #define SATA_PLL_CFG0_PADPLL_USE_LOCKDET	BIT(2)
182 #define SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL		BIT(4)
183 #define SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE	BIT(5)
184 #define SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE	BIT(6)
185 #define SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE	BIT(7)
186 
187 #define SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ		BIT(13)
188 #define SATA_PLL_CFG0_SEQ_ENABLE		BIT(24)
189 
190 #define XUSBIO_PLL_CFG0				0x51c
191 #define XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL	BIT(0)
192 #define XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL	BIT(2)
193 #define XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET	BIT(6)
194 #define XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ	BIT(13)
195 #define XUSBIO_PLL_CFG0_SEQ_ENABLE		BIT(24)
196 
197 #define UTMIPLL_HW_PWRDN_CFG0			0x52c
198 #define UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK	BIT(31)
199 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE	BIT(25)
200 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE	BIT(24)
201 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE	BIT(7)
202 #define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET	BIT(6)
203 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE	BIT(5)
204 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL	BIT(4)
205 #define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL	BIT(2)
206 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE	BIT(1)
207 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL	BIT(0)
208 
209 #define PLLU_HW_PWRDN_CFG0			0x530
210 #define PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE	BIT(28)
211 #define PLLU_HW_PWRDN_CFG0_SEQ_ENABLE		BIT(24)
212 #define PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT	BIT(7)
213 #define PLLU_HW_PWRDN_CFG0_USE_LOCKDET		BIT(6)
214 #define PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL	BIT(2)
215 #define PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL	BIT(0)
216 
217 #define XUSB_PLL_CFG0				0x534
218 #define XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY		0x3ff
219 #define XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK	(0x3ff << 14)
220 
221 #define SPARE_REG0 0x55c
222 #define CLK_M_DIVISOR_SHIFT 2
223 #define CLK_M_DIVISOR_MASK 0x3
224 
225 #define CLK_MASK_ARM	0x44
226 #define MISC_CLK_ENB	0x48
227 
228 #define RST_DFLL_DVCO 0x2f4
229 #define DVFS_DFLL_RESET_SHIFT 0
230 
231 #define CLK_RST_CONTROLLER_CLK_OUT_ENB_X_SET	0x284
232 #define CLK_RST_CONTROLLER_CLK_OUT_ENB_X_CLR	0x288
233 #define CLK_OUT_ENB_X_CLK_ENB_EMC_DLL		BIT(14)
234 
235 #define CLK_RST_CONTROLLER_RST_DEV_Y_SET 0x2a8
236 #define CLK_RST_CONTROLLER_RST_DEV_Y_CLR 0x2ac
237 #define CPU_SOFTRST_CTRL 0x380
238 
239 #define LVL2_CLK_GATE_OVRA 0xf8
240 #define LVL2_CLK_GATE_OVRC 0x3a0
241 #define LVL2_CLK_GATE_OVRD 0x3a4
242 #define LVL2_CLK_GATE_OVRE 0x554
243 
244 /* I2S registers to handle during APE MBIST WAR */
245 #define TEGRA210_I2S_BASE  0x1000
246 #define TEGRA210_I2S_SIZE  0x100
247 #define TEGRA210_I2S_CTRLS 5
248 #define TEGRA210_I2S_CG    0x88
249 #define TEGRA210_I2S_CTRL  0xa0
250 
251 /* DISPA registers to handle during MBIST WAR */
252 #define DC_CMD_DISPLAY_COMMAND 0xc8
253 #define DC_COM_DSC_TOP_CTL 0xcf8
254 
255 /* VIC register to handle during MBIST WAR */
256 #define NV_PVIC_THI_SLCG_OVERRIDE_LOW 0x8c
257 
258 /* APE, DISPA and VIC base addesses needed for MBIST WAR */
259 #define TEGRA210_AHUB_BASE  0x702d0000
260 #define TEGRA210_DISPA_BASE 0x54200000
261 #define TEGRA210_VIC_BASE  0x54340000
262 
263 /*
264  * SDM fractional divisor is 16-bit 2's complement signed number within
265  * (-2^12 ... 2^12-1) range. Represented in PLL data structure as unsigned
266  * 16-bit value, with "0" divisor mapped to 0xFFFF. Data "0" is used to
267  * indicate that SDM is disabled.
268  *
269  * Effective ndiv value when SDM is enabled: ndiv + 1/2 + sdm_din/2^13
270  */
271 #define PLL_SDM_COEFF BIT(13)
272 #define sdin_din_to_data(din)	((u16)((din) ? : 0xFFFFU))
273 #define sdin_data_to_din(dat)	(((dat) == 0xFFFFU) ? 0 : (s16)dat)
274 /* This macro returns ndiv effective scaled to SDM range */
275 #define sdin_get_n_eff(cfg)	((cfg)->n * PLL_SDM_COEFF + ((cfg)->sdm_data ? \
276 		(PLL_SDM_COEFF/2 + sdin_data_to_din((cfg)->sdm_data)) : 0))
277 
278 /* Tegra CPU clock and reset control regs */
279 #define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS	0x470
280 
281 #ifdef CONFIG_PM_SLEEP
282 static struct cpu_clk_suspend_context {
283 	u32 clk_csite_src;
284 } tegra210_cpu_clk_sctx;
285 #endif
286 
287 struct tegra210_domain_mbist_war {
288 	void (*handle_lvl2_ovr)(struct tegra210_domain_mbist_war *mbist);
289 	const u32 lvl2_offset;
290 	const u32 lvl2_mask;
291 	const unsigned int num_clks;
292 	const unsigned int *clk_init_data;
293 	struct clk_bulk_data *clks;
294 };
295 
296 static struct clk **clks;
297 
298 static void __iomem *clk_base;
299 static void __iomem *pmc_base;
300 static void __iomem *ahub_base;
301 static void __iomem *dispa_base;
302 static void __iomem *vic_base;
303 
304 static unsigned long osc_freq;
305 static unsigned long pll_ref_freq;
306 
307 static DEFINE_SPINLOCK(pll_d_lock);
308 static DEFINE_SPINLOCK(pll_e_lock);
309 static DEFINE_SPINLOCK(pll_re_lock);
310 static DEFINE_SPINLOCK(pll_u_lock);
311 static DEFINE_SPINLOCK(sor0_lock);
312 static DEFINE_SPINLOCK(sor1_lock);
313 static DEFINE_SPINLOCK(emc_lock);
314 static DEFINE_MUTEX(lvl2_ovr_lock);
315 
316 /* possible OSC frequencies in Hz */
317 static unsigned long tegra210_input_freq[] = {
318 	[5] = 38400000,
319 	[8] = 12000000,
320 };
321 
322 #define PLL_ENABLE			(1 << 30)
323 
324 #define PLLCX_MISC1_IDDQ		(1 << 27)
325 #define PLLCX_MISC0_RESET		(1 << 30)
326 
327 #define PLLCX_MISC0_DEFAULT_VALUE	0x40080000
328 #define PLLCX_MISC0_WRITE_MASK		0x400ffffb
329 #define PLLCX_MISC1_DEFAULT_VALUE	0x08000000
330 #define PLLCX_MISC1_WRITE_MASK		0x08003cff
331 #define PLLCX_MISC2_DEFAULT_VALUE	0x1f720f05
332 #define PLLCX_MISC2_WRITE_MASK		0xffffff17
333 #define PLLCX_MISC3_DEFAULT_VALUE	0x000000c4
334 #define PLLCX_MISC3_WRITE_MASK		0x00ffffff
335 
336 /* PLLA */
337 #define PLLA_BASE_IDDQ			(1 << 25)
338 #define PLLA_BASE_LOCK			(1 << 27)
339 
340 #define PLLA_MISC0_LOCK_ENABLE		(1 << 28)
341 #define PLLA_MISC0_LOCK_OVERRIDE	(1 << 27)
342 
343 #define PLLA_MISC2_EN_SDM		(1 << 26)
344 #define PLLA_MISC2_EN_DYNRAMP		(1 << 25)
345 
346 #define PLLA_MISC0_DEFAULT_VALUE	0x12000020
347 #define PLLA_MISC0_WRITE_MASK		0x7fffffff
348 #define PLLA_MISC2_DEFAULT_VALUE	0x0
349 #define PLLA_MISC2_WRITE_MASK		0x06ffffff
350 
351 /* PLLD */
352 #define PLLD_BASE_CSI_CLKSOURCE		(1 << 23)
353 
354 #define PLLD_MISC0_EN_SDM		(1 << 16)
355 #define PLLD_MISC0_LOCK_OVERRIDE	(1 << 17)
356 #define PLLD_MISC0_LOCK_ENABLE		(1 << 18)
357 #define PLLD_MISC0_IDDQ			(1 << 20)
358 #define PLLD_MISC0_DSI_CLKENABLE	(1 << 21)
359 
360 #define PLLD_MISC0_DEFAULT_VALUE	0x00140000
361 #define PLLD_MISC0_WRITE_MASK		0x3ff7ffff
362 #define PLLD_MISC1_DEFAULT_VALUE	0x20
363 #define PLLD_MISC1_WRITE_MASK		0x00ffffff
364 
365 /* PLLD2 and PLLDP  and PLLC4 */
366 #define PLLDSS_BASE_LOCK		(1 << 27)
367 #define PLLDSS_BASE_LOCK_OVERRIDE	(1 << 24)
368 #define PLLDSS_BASE_IDDQ		(1 << 18)
369 #define PLLDSS_BASE_REF_SEL_SHIFT	25
370 #define PLLDSS_BASE_REF_SEL_MASK	(0x3 << PLLDSS_BASE_REF_SEL_SHIFT)
371 
372 #define PLLDSS_MISC0_LOCK_ENABLE	(1 << 30)
373 
374 #define PLLDSS_MISC1_CFG_EN_SDM		(1 << 31)
375 #define PLLDSS_MISC1_CFG_EN_SSC		(1 << 30)
376 
377 #define PLLD2_MISC0_DEFAULT_VALUE	0x40000020
378 #define PLLD2_MISC1_CFG_DEFAULT_VALUE	0x10000000
379 #define PLLD2_MISC2_CTRL1_DEFAULT_VALUE	0x0
380 #define PLLD2_MISC3_CTRL2_DEFAULT_VALUE	0x0
381 
382 #define PLLDP_MISC0_DEFAULT_VALUE	0x40000020
383 #define PLLDP_MISC1_CFG_DEFAULT_VALUE	0xc0000000
384 #define PLLDP_MISC2_CTRL1_DEFAULT_VALUE	0xf400f0da
385 #define PLLDP_MISC3_CTRL2_DEFAULT_VALUE	0x2004f400
386 
387 #define PLLDSS_MISC0_WRITE_MASK		0x47ffffff
388 #define PLLDSS_MISC1_CFG_WRITE_MASK	0xf8000000
389 #define PLLDSS_MISC2_CTRL1_WRITE_MASK	0xffffffff
390 #define PLLDSS_MISC3_CTRL2_WRITE_MASK	0xffffffff
391 
392 #define PLLC4_MISC0_DEFAULT_VALUE	0x40000000
393 
394 /* PLLRE */
395 #define PLLRE_MISC0_LOCK_ENABLE		(1 << 30)
396 #define PLLRE_MISC0_LOCK_OVERRIDE	(1 << 29)
397 #define PLLRE_MISC0_LOCK		(1 << 27)
398 #define PLLRE_MISC0_IDDQ		(1 << 24)
399 
400 #define PLLRE_BASE_DEFAULT_VALUE	0x0
401 #define PLLRE_MISC0_DEFAULT_VALUE	0x41000000
402 
403 #define PLLRE_BASE_DEFAULT_MASK		0x1c000000
404 #define PLLRE_MISC0_WRITE_MASK		0x67ffffff
405 
406 /* PLLX */
407 #define PLLX_USE_DYN_RAMP		1
408 #define PLLX_BASE_LOCK			(1 << 27)
409 
410 #define PLLX_MISC0_FO_G_DISABLE		(0x1 << 28)
411 #define PLLX_MISC0_LOCK_ENABLE		(0x1 << 18)
412 
413 #define PLLX_MISC2_DYNRAMP_STEPB_SHIFT	24
414 #define PLLX_MISC2_DYNRAMP_STEPB_MASK	(0xFF << PLLX_MISC2_DYNRAMP_STEPB_SHIFT)
415 #define PLLX_MISC2_DYNRAMP_STEPA_SHIFT	16
416 #define PLLX_MISC2_DYNRAMP_STEPA_MASK	(0xFF << PLLX_MISC2_DYNRAMP_STEPA_SHIFT)
417 #define PLLX_MISC2_NDIV_NEW_SHIFT	8
418 #define PLLX_MISC2_NDIV_NEW_MASK	(0xFF << PLLX_MISC2_NDIV_NEW_SHIFT)
419 #define PLLX_MISC2_LOCK_OVERRIDE	(0x1 << 4)
420 #define PLLX_MISC2_DYNRAMP_DONE		(0x1 << 2)
421 #define PLLX_MISC2_EN_DYNRAMP		(0x1 << 0)
422 
423 #define PLLX_MISC3_IDDQ			(0x1 << 3)
424 
425 #define PLLX_MISC0_DEFAULT_VALUE	PLLX_MISC0_LOCK_ENABLE
426 #define PLLX_MISC0_WRITE_MASK		0x10c40000
427 #define PLLX_MISC1_DEFAULT_VALUE	0x20
428 #define PLLX_MISC1_WRITE_MASK		0x00ffffff
429 #define PLLX_MISC2_DEFAULT_VALUE	0x0
430 #define PLLX_MISC2_WRITE_MASK		0xffffff11
431 #define PLLX_MISC3_DEFAULT_VALUE	PLLX_MISC3_IDDQ
432 #define PLLX_MISC3_WRITE_MASK		0x01ff0f0f
433 #define PLLX_MISC4_DEFAULT_VALUE	0x0
434 #define PLLX_MISC4_WRITE_MASK		0x8000ffff
435 #define PLLX_MISC5_DEFAULT_VALUE	0x0
436 #define PLLX_MISC5_WRITE_MASK		0x0000ffff
437 
438 #define PLLX_HW_CTRL_CFG		0x548
439 #define PLLX_HW_CTRL_CFG_SWCTRL		(0x1 << 0)
440 
441 /* PLLMB */
442 #define PLLMB_BASE_LOCK			(1 << 27)
443 
444 #define PLLMB_MISC1_LOCK_OVERRIDE	(1 << 18)
445 #define PLLMB_MISC1_IDDQ		(1 << 17)
446 #define PLLMB_MISC1_LOCK_ENABLE		(1 << 16)
447 
448 #define PLLMB_MISC1_DEFAULT_VALUE	0x00030000
449 #define PLLMB_MISC1_WRITE_MASK		0x0007ffff
450 
451 /* PLLP */
452 #define PLLP_BASE_OVERRIDE		(1 << 28)
453 #define PLLP_BASE_LOCK			(1 << 27)
454 
455 #define PLLP_MISC0_LOCK_ENABLE		(1 << 18)
456 #define PLLP_MISC0_LOCK_OVERRIDE	(1 << 17)
457 #define PLLP_MISC0_IDDQ			(1 << 3)
458 
459 #define PLLP_MISC1_HSIO_EN_SHIFT	29
460 #define PLLP_MISC1_HSIO_EN		(1 << PLLP_MISC1_HSIO_EN_SHIFT)
461 #define PLLP_MISC1_XUSB_EN_SHIFT	28
462 #define PLLP_MISC1_XUSB_EN		(1 << PLLP_MISC1_XUSB_EN_SHIFT)
463 
464 #define PLLP_MISC0_DEFAULT_VALUE	0x00040008
465 #define PLLP_MISC1_DEFAULT_VALUE	0x0
466 
467 #define PLLP_MISC0_WRITE_MASK		0xdc6000f
468 #define PLLP_MISC1_WRITE_MASK		0x70ffffff
469 
470 /* PLLU */
471 #define PLLU_BASE_LOCK			(1 << 27)
472 #define PLLU_BASE_OVERRIDE		(1 << 24)
473 #define PLLU_BASE_CLKENABLE_USB		(1 << 21)
474 #define PLLU_BASE_CLKENABLE_HSIC	(1 << 22)
475 #define PLLU_BASE_CLKENABLE_ICUSB	(1 << 23)
476 #define PLLU_BASE_CLKENABLE_48M		(1 << 25)
477 #define PLLU_BASE_CLKENABLE_ALL		(PLLU_BASE_CLKENABLE_USB |\
478 					 PLLU_BASE_CLKENABLE_HSIC |\
479 					 PLLU_BASE_CLKENABLE_ICUSB |\
480 					 PLLU_BASE_CLKENABLE_48M)
481 
482 #define PLLU_MISC0_IDDQ			(1 << 31)
483 #define PLLU_MISC0_LOCK_ENABLE		(1 << 29)
484 #define PLLU_MISC1_LOCK_OVERRIDE	(1 << 0)
485 
486 #define PLLU_MISC0_DEFAULT_VALUE	0xa0000000
487 #define PLLU_MISC1_DEFAULT_VALUE	0x0
488 
489 #define PLLU_MISC0_WRITE_MASK		0xbfffffff
490 #define PLLU_MISC1_WRITE_MASK		0x00000007
491 
tegra210_xusb_pll_hw_control_enable(void)492 void tegra210_xusb_pll_hw_control_enable(void)
493 {
494 	u32 val;
495 
496 	val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0);
497 	val &= ~(XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL |
498 		 XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL);
499 	val |= XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET |
500 	       XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ;
501 	writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0);
502 }
503 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_control_enable);
504 
tegra210_xusb_pll_hw_sequence_start(void)505 void tegra210_xusb_pll_hw_sequence_start(void)
506 {
507 	u32 val;
508 
509 	val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0);
510 	val |= XUSBIO_PLL_CFG0_SEQ_ENABLE;
511 	writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0);
512 }
513 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_sequence_start);
514 
tegra210_sata_pll_hw_control_enable(void)515 void tegra210_sata_pll_hw_control_enable(void)
516 {
517 	u32 val;
518 
519 	val = readl_relaxed(clk_base + SATA_PLL_CFG0);
520 	val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL;
521 	val |= SATA_PLL_CFG0_PADPLL_USE_LOCKDET |
522 	       SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ;
523 	writel_relaxed(val, clk_base + SATA_PLL_CFG0);
524 }
525 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_control_enable);
526 
tegra210_sata_pll_hw_sequence_start(void)527 void tegra210_sata_pll_hw_sequence_start(void)
528 {
529 	u32 val;
530 
531 	val = readl_relaxed(clk_base + SATA_PLL_CFG0);
532 	val |= SATA_PLL_CFG0_SEQ_ENABLE;
533 	writel_relaxed(val, clk_base + SATA_PLL_CFG0);
534 }
535 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_sequence_start);
536 
tegra210_set_sata_pll_seq_sw(bool state)537 void tegra210_set_sata_pll_seq_sw(bool state)
538 {
539 	u32 val;
540 
541 	val = readl_relaxed(clk_base + SATA_PLL_CFG0);
542 	if (state) {
543 		val |= SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL;
544 		val |= SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE;
545 		val |= SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE;
546 		val |= SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE;
547 	} else {
548 		val &= ~SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL;
549 		val &= ~SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE;
550 		val &= ~SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE;
551 		val &= ~SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE;
552 	}
553 	writel_relaxed(val, clk_base + SATA_PLL_CFG0);
554 }
555 EXPORT_SYMBOL_GPL(tegra210_set_sata_pll_seq_sw);
556 
tegra210_clk_emc_dll_enable(bool flag)557 void tegra210_clk_emc_dll_enable(bool flag)
558 {
559 	u32 offset = flag ? CLK_RST_CONTROLLER_CLK_OUT_ENB_X_SET :
560 		     CLK_RST_CONTROLLER_CLK_OUT_ENB_X_CLR;
561 
562 	writel_relaxed(CLK_OUT_ENB_X_CLK_ENB_EMC_DLL, clk_base + offset);
563 }
564 EXPORT_SYMBOL_GPL(tegra210_clk_emc_dll_enable);
565 
tegra210_clk_emc_dll_update_setting(u32 emc_dll_src_value)566 void tegra210_clk_emc_dll_update_setting(u32 emc_dll_src_value)
567 {
568 	writel_relaxed(emc_dll_src_value, clk_base + CLK_SOURCE_EMC_DLL);
569 }
570 EXPORT_SYMBOL_GPL(tegra210_clk_emc_dll_update_setting);
571 
tegra210_clk_emc_update_setting(u32 emc_src_value)572 void tegra210_clk_emc_update_setting(u32 emc_src_value)
573 {
574 	writel_relaxed(emc_src_value, clk_base + CLK_SOURCE_EMC);
575 }
576 EXPORT_SYMBOL_GPL(tegra210_clk_emc_update_setting);
577 
tegra210_generic_mbist_war(struct tegra210_domain_mbist_war * mbist)578 static void tegra210_generic_mbist_war(struct tegra210_domain_mbist_war *mbist)
579 {
580 	u32 val;
581 
582 	val = readl_relaxed(clk_base + mbist->lvl2_offset);
583 	writel_relaxed(val | mbist->lvl2_mask, clk_base + mbist->lvl2_offset);
584 	fence_udelay(1, clk_base);
585 	writel_relaxed(val, clk_base + mbist->lvl2_offset);
586 	fence_udelay(1, clk_base);
587 }
588 
tegra210_venc_mbist_war(struct tegra210_domain_mbist_war * mbist)589 static void tegra210_venc_mbist_war(struct tegra210_domain_mbist_war *mbist)
590 {
591 	u32 csi_src, ovra, ovre;
592 	unsigned long flags = 0;
593 
594 	spin_lock_irqsave(&pll_d_lock, flags);
595 
596 	csi_src = readl_relaxed(clk_base + PLLD_BASE);
597 	writel_relaxed(csi_src | PLLD_BASE_CSI_CLKSOURCE, clk_base + PLLD_BASE);
598 	fence_udelay(1, clk_base);
599 
600 	ovra = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRA);
601 	writel_relaxed(ovra | BIT(15), clk_base + LVL2_CLK_GATE_OVRA);
602 	ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE);
603 	writel_relaxed(ovre | BIT(3), clk_base + LVL2_CLK_GATE_OVRE);
604 	fence_udelay(1, clk_base);
605 
606 	writel_relaxed(ovra, clk_base + LVL2_CLK_GATE_OVRA);
607 	writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE);
608 	writel_relaxed(csi_src, clk_base + PLLD_BASE);
609 	fence_udelay(1, clk_base);
610 
611 	spin_unlock_irqrestore(&pll_d_lock, flags);
612 }
613 
tegra210_disp_mbist_war(struct tegra210_domain_mbist_war * mbist)614 static void tegra210_disp_mbist_war(struct tegra210_domain_mbist_war *mbist)
615 {
616 	u32 ovra, dsc_top_ctrl;
617 
618 	ovra = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRA);
619 	writel_relaxed(ovra | BIT(1), clk_base + LVL2_CLK_GATE_OVRA);
620 	fence_udelay(1, clk_base);
621 
622 	dsc_top_ctrl = readl_relaxed(dispa_base + DC_COM_DSC_TOP_CTL);
623 	writel_relaxed(dsc_top_ctrl | BIT(2), dispa_base + DC_COM_DSC_TOP_CTL);
624 	readl_relaxed(dispa_base + DC_CMD_DISPLAY_COMMAND);
625 	writel_relaxed(dsc_top_ctrl, dispa_base + DC_COM_DSC_TOP_CTL);
626 	readl_relaxed(dispa_base + DC_CMD_DISPLAY_COMMAND);
627 
628 	writel_relaxed(ovra, clk_base + LVL2_CLK_GATE_OVRA);
629 	fence_udelay(1, clk_base);
630 }
631 
tegra210_vic_mbist_war(struct tegra210_domain_mbist_war * mbist)632 static void tegra210_vic_mbist_war(struct tegra210_domain_mbist_war *mbist)
633 {
634 	u32 ovre, val;
635 
636 	ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE);
637 	writel_relaxed(ovre | BIT(5), clk_base + LVL2_CLK_GATE_OVRE);
638 	fence_udelay(1, clk_base);
639 
640 	val = readl_relaxed(vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
641 	writel_relaxed(val | BIT(0) | GENMASK(7, 2) | BIT(24),
642 			vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
643 	fence_udelay(1, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
644 
645 	writel_relaxed(val, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
646 	readl(vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
647 
648 	writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE);
649 	fence_udelay(1, clk_base);
650 }
651 
tegra210_ape_mbist_war(struct tegra210_domain_mbist_war * mbist)652 static void tegra210_ape_mbist_war(struct tegra210_domain_mbist_war *mbist)
653 {
654 	void __iomem *i2s_base;
655 	unsigned int i;
656 	u32 ovrc, ovre;
657 
658 	ovrc = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRC);
659 	ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE);
660 	writel_relaxed(ovrc | BIT(1), clk_base + LVL2_CLK_GATE_OVRC);
661 	writel_relaxed(ovre | BIT(10) | BIT(11),
662 			clk_base + LVL2_CLK_GATE_OVRE);
663 	fence_udelay(1, clk_base);
664 
665 	i2s_base = ahub_base + TEGRA210_I2S_BASE;
666 
667 	for (i = 0; i < TEGRA210_I2S_CTRLS; i++) {
668 		u32 i2s_ctrl;
669 
670 		i2s_ctrl = readl_relaxed(i2s_base + TEGRA210_I2S_CTRL);
671 		writel_relaxed(i2s_ctrl | BIT(10),
672 				i2s_base + TEGRA210_I2S_CTRL);
673 		writel_relaxed(0, i2s_base + TEGRA210_I2S_CG);
674 		readl(i2s_base + TEGRA210_I2S_CG);
675 		writel_relaxed(1, i2s_base + TEGRA210_I2S_CG);
676 		writel_relaxed(i2s_ctrl, i2s_base + TEGRA210_I2S_CTRL);
677 		readl(i2s_base + TEGRA210_I2S_CTRL);
678 
679 		i2s_base += TEGRA210_I2S_SIZE;
680 	}
681 
682 	writel_relaxed(ovrc, clk_base + LVL2_CLK_GATE_OVRC);
683 	writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE);
684 	fence_udelay(1, clk_base);
685 }
686 
_pll_misc_chk_default(void __iomem * base,struct tegra_clk_pll_params * params,u8 misc_num,u32 default_val,u32 mask)687 static inline void _pll_misc_chk_default(void __iomem *base,
688 					struct tegra_clk_pll_params *params,
689 					u8 misc_num, u32 default_val, u32 mask)
690 {
691 	u32 boot_val = readl_relaxed(base + params->ext_misc_reg[misc_num]);
692 
693 	boot_val &= mask;
694 	default_val &= mask;
695 	if (boot_val != default_val) {
696 		pr_warn("boot misc%d 0x%x: expected 0x%x\n",
697 			misc_num, boot_val, default_val);
698 		pr_warn(" (comparison mask = 0x%x)\n", mask);
699 		params->defaults_set = false;
700 	}
701 }
702 
703 /*
704  * PLLCX: PLLC, PLLC2, PLLC3, PLLA1
705  * Hybrid PLLs with dynamic ramp. Dynamic ramp is allowed for any transition
706  * that changes NDIV only, while PLL is already locked.
707  */
pllcx_check_defaults(struct tegra_clk_pll_params * params)708 static void pllcx_check_defaults(struct tegra_clk_pll_params *params)
709 {
710 	u32 default_val;
711 
712 	default_val = PLLCX_MISC0_DEFAULT_VALUE & (~PLLCX_MISC0_RESET);
713 	_pll_misc_chk_default(clk_base, params, 0, default_val,
714 			PLLCX_MISC0_WRITE_MASK);
715 
716 	default_val = PLLCX_MISC1_DEFAULT_VALUE & (~PLLCX_MISC1_IDDQ);
717 	_pll_misc_chk_default(clk_base, params, 1, default_val,
718 			PLLCX_MISC1_WRITE_MASK);
719 
720 	default_val = PLLCX_MISC2_DEFAULT_VALUE;
721 	_pll_misc_chk_default(clk_base, params, 2, default_val,
722 			PLLCX_MISC2_WRITE_MASK);
723 
724 	default_val = PLLCX_MISC3_DEFAULT_VALUE;
725 	_pll_misc_chk_default(clk_base, params, 3, default_val,
726 			PLLCX_MISC3_WRITE_MASK);
727 }
728 
tegra210_pllcx_set_defaults(const char * name,struct tegra_clk_pll * pllcx)729 static void tegra210_pllcx_set_defaults(const char *name,
730 					struct tegra_clk_pll *pllcx)
731 {
732 	pllcx->params->defaults_set = true;
733 
734 	if (readl_relaxed(clk_base + pllcx->params->base_reg) & PLL_ENABLE) {
735 		/* PLL is ON: only check if defaults already set */
736 		pllcx_check_defaults(pllcx->params);
737 		if (!pllcx->params->defaults_set)
738 			pr_warn("%s already enabled. Postponing set full defaults\n",
739 				name);
740 		return;
741 	}
742 
743 	/* Defaults assert PLL reset, and set IDDQ */
744 	writel_relaxed(PLLCX_MISC0_DEFAULT_VALUE,
745 			clk_base + pllcx->params->ext_misc_reg[0]);
746 	writel_relaxed(PLLCX_MISC1_DEFAULT_VALUE,
747 			clk_base + pllcx->params->ext_misc_reg[1]);
748 	writel_relaxed(PLLCX_MISC2_DEFAULT_VALUE,
749 			clk_base + pllcx->params->ext_misc_reg[2]);
750 	writel_relaxed(PLLCX_MISC3_DEFAULT_VALUE,
751 			clk_base + pllcx->params->ext_misc_reg[3]);
752 	udelay(1);
753 }
754 
_pllc_set_defaults(struct tegra_clk_pll * pllcx)755 static void _pllc_set_defaults(struct tegra_clk_pll *pllcx)
756 {
757 	tegra210_pllcx_set_defaults("PLL_C", pllcx);
758 }
759 
_pllc2_set_defaults(struct tegra_clk_pll * pllcx)760 static void _pllc2_set_defaults(struct tegra_clk_pll *pllcx)
761 {
762 	tegra210_pllcx_set_defaults("PLL_C2", pllcx);
763 }
764 
_pllc3_set_defaults(struct tegra_clk_pll * pllcx)765 static void _pllc3_set_defaults(struct tegra_clk_pll *pllcx)
766 {
767 	tegra210_pllcx_set_defaults("PLL_C3", pllcx);
768 }
769 
_plla1_set_defaults(struct tegra_clk_pll * pllcx)770 static void _plla1_set_defaults(struct tegra_clk_pll *pllcx)
771 {
772 	tegra210_pllcx_set_defaults("PLL_A1", pllcx);
773 }
774 
775 /*
776  * PLLA
777  * PLL with dynamic ramp and fractional SDM. Dynamic ramp is not used.
778  * Fractional SDM is allowed to provide exact audio rates.
779  */
tegra210_plla_set_defaults(struct tegra_clk_pll * plla)780 static void tegra210_plla_set_defaults(struct tegra_clk_pll *plla)
781 {
782 	u32 mask;
783 	u32 val = readl_relaxed(clk_base + plla->params->base_reg);
784 
785 	plla->params->defaults_set = true;
786 
787 	if (val & PLL_ENABLE) {
788 		/*
789 		 * PLL is ON: check if defaults already set, then set those
790 		 * that can be updated in flight.
791 		 */
792 		if (val & PLLA_BASE_IDDQ) {
793 			pr_warn("PLL_A boot enabled with IDDQ set\n");
794 			plla->params->defaults_set = false;
795 		}
796 
797 		pr_warn("PLL_A already enabled. Postponing set full defaults\n");
798 
799 		val = PLLA_MISC0_DEFAULT_VALUE;	/* ignore lock enable */
800 		mask = PLLA_MISC0_LOCK_ENABLE | PLLA_MISC0_LOCK_OVERRIDE;
801 		_pll_misc_chk_default(clk_base, plla->params, 0, val,
802 				~mask & PLLA_MISC0_WRITE_MASK);
803 
804 		val = PLLA_MISC2_DEFAULT_VALUE; /* ignore all but control bit */
805 		_pll_misc_chk_default(clk_base, plla->params, 2, val,
806 				PLLA_MISC2_EN_DYNRAMP);
807 
808 		/* Enable lock detect */
809 		val = readl_relaxed(clk_base + plla->params->ext_misc_reg[0]);
810 		val &= ~mask;
811 		val |= PLLA_MISC0_DEFAULT_VALUE & mask;
812 		writel_relaxed(val, clk_base + plla->params->ext_misc_reg[0]);
813 		udelay(1);
814 
815 		return;
816 	}
817 
818 	/* set IDDQ, enable lock detect, disable dynamic ramp and SDM */
819 	val |= PLLA_BASE_IDDQ;
820 	writel_relaxed(val, clk_base + plla->params->base_reg);
821 	writel_relaxed(PLLA_MISC0_DEFAULT_VALUE,
822 			clk_base + plla->params->ext_misc_reg[0]);
823 	writel_relaxed(PLLA_MISC2_DEFAULT_VALUE,
824 			clk_base + plla->params->ext_misc_reg[2]);
825 	udelay(1);
826 }
827 
828 /*
829  * PLLD
830  * PLL with fractional SDM.
831  */
tegra210_plld_set_defaults(struct tegra_clk_pll * plld)832 static void tegra210_plld_set_defaults(struct tegra_clk_pll *plld)
833 {
834 	u32 val;
835 	u32 mask = 0xffff;
836 
837 	plld->params->defaults_set = true;
838 
839 	if (readl_relaxed(clk_base + plld->params->base_reg) &
840 			PLL_ENABLE) {
841 
842 		/*
843 		 * PLL is ON: check if defaults already set, then set those
844 		 * that can be updated in flight.
845 		 */
846 		val = PLLD_MISC1_DEFAULT_VALUE;
847 		_pll_misc_chk_default(clk_base, plld->params, 1,
848 				val, PLLD_MISC1_WRITE_MASK);
849 
850 		/* ignore lock, DSI and SDM controls, make sure IDDQ not set */
851 		val = PLLD_MISC0_DEFAULT_VALUE & (~PLLD_MISC0_IDDQ);
852 		mask |= PLLD_MISC0_DSI_CLKENABLE | PLLD_MISC0_LOCK_ENABLE |
853 			PLLD_MISC0_LOCK_OVERRIDE | PLLD_MISC0_EN_SDM;
854 		_pll_misc_chk_default(clk_base, plld->params, 0, val,
855 				~mask & PLLD_MISC0_WRITE_MASK);
856 
857 		if (!plld->params->defaults_set)
858 			pr_warn("PLL_D already enabled. Postponing set full defaults\n");
859 
860 		/* Enable lock detect */
861 		mask = PLLD_MISC0_LOCK_ENABLE | PLLD_MISC0_LOCK_OVERRIDE;
862 		val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
863 		val &= ~mask;
864 		val |= PLLD_MISC0_DEFAULT_VALUE & mask;
865 		writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
866 		udelay(1);
867 
868 		return;
869 	}
870 
871 	val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
872 	val &= PLLD_MISC0_DSI_CLKENABLE;
873 	val |= PLLD_MISC0_DEFAULT_VALUE;
874 	/* set IDDQ, enable lock detect, disable SDM */
875 	writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
876 	writel_relaxed(PLLD_MISC1_DEFAULT_VALUE, clk_base +
877 			plld->params->ext_misc_reg[1]);
878 	udelay(1);
879 }
880 
881 /*
882  * PLLD2, PLLDP
883  * PLL with fractional SDM and Spread Spectrum (SDM is a must if SSC is used).
884  */
plldss_defaults(const char * pll_name,struct tegra_clk_pll * plldss,u32 misc0_val,u32 misc1_val,u32 misc2_val,u32 misc3_val)885 static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss,
886 		u32 misc0_val, u32 misc1_val, u32 misc2_val, u32 misc3_val)
887 {
888 	u32 default_val;
889 	u32 val = readl_relaxed(clk_base + plldss->params->base_reg);
890 
891 	plldss->params->defaults_set = true;
892 
893 	if (val & PLL_ENABLE) {
894 
895 		/*
896 		 * PLL is ON: check if defaults already set, then set those
897 		 * that can be updated in flight.
898 		 */
899 		if (val & PLLDSS_BASE_IDDQ) {
900 			pr_warn("plldss boot enabled with IDDQ set\n");
901 			plldss->params->defaults_set = false;
902 		}
903 
904 		/* ignore lock enable */
905 		default_val = misc0_val;
906 		_pll_misc_chk_default(clk_base, plldss->params, 0, default_val,
907 				     PLLDSS_MISC0_WRITE_MASK &
908 				     (~PLLDSS_MISC0_LOCK_ENABLE));
909 
910 		/*
911 		 * If SSC is used, check all settings, otherwise just confirm
912 		 * that SSC is not used on boot as well. Do nothing when using
913 		 * this function for PLLC4 that has only MISC0.
914 		 */
915 		if (plldss->params->ssc_ctrl_en_mask) {
916 			default_val = misc1_val;
917 			_pll_misc_chk_default(clk_base, plldss->params, 1,
918 				default_val, PLLDSS_MISC1_CFG_WRITE_MASK);
919 			default_val = misc2_val;
920 			_pll_misc_chk_default(clk_base, plldss->params, 2,
921 				default_val, PLLDSS_MISC2_CTRL1_WRITE_MASK);
922 			default_val = misc3_val;
923 			_pll_misc_chk_default(clk_base, plldss->params, 3,
924 				default_val, PLLDSS_MISC3_CTRL2_WRITE_MASK);
925 		} else if (plldss->params->ext_misc_reg[1]) {
926 			default_val = misc1_val;
927 			_pll_misc_chk_default(clk_base, plldss->params, 1,
928 				default_val, PLLDSS_MISC1_CFG_WRITE_MASK &
929 				(~PLLDSS_MISC1_CFG_EN_SDM));
930 		}
931 
932 		if (!plldss->params->defaults_set)
933 			pr_warn("%s already enabled. Postponing set full defaults\n",
934 				 pll_name);
935 
936 		/* Enable lock detect */
937 		if (val & PLLDSS_BASE_LOCK_OVERRIDE) {
938 			val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
939 			writel_relaxed(val, clk_base +
940 					plldss->params->base_reg);
941 		}
942 
943 		val = readl_relaxed(clk_base + plldss->params->ext_misc_reg[0]);
944 		val &= ~PLLDSS_MISC0_LOCK_ENABLE;
945 		val |= misc0_val & PLLDSS_MISC0_LOCK_ENABLE;
946 		writel_relaxed(val, clk_base + plldss->params->ext_misc_reg[0]);
947 		udelay(1);
948 
949 		return;
950 	}
951 
952 	/* set IDDQ, enable lock detect, configure SDM/SSC  */
953 	val |= PLLDSS_BASE_IDDQ;
954 	val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
955 	writel_relaxed(val, clk_base + plldss->params->base_reg);
956 
957 	/* When using this function for PLLC4 exit here */
958 	if (!plldss->params->ext_misc_reg[1]) {
959 		writel_relaxed(misc0_val, clk_base +
960 				plldss->params->ext_misc_reg[0]);
961 		udelay(1);
962 		return;
963 	}
964 
965 	writel_relaxed(misc0_val, clk_base +
966 			plldss->params->ext_misc_reg[0]);
967 	/* if SSC used set by 1st enable */
968 	writel_relaxed(misc1_val & (~PLLDSS_MISC1_CFG_EN_SSC),
969 			clk_base + plldss->params->ext_misc_reg[1]);
970 	writel_relaxed(misc2_val, clk_base + plldss->params->ext_misc_reg[2]);
971 	writel_relaxed(misc3_val, clk_base + plldss->params->ext_misc_reg[3]);
972 	udelay(1);
973 }
974 
tegra210_plld2_set_defaults(struct tegra_clk_pll * plld2)975 static void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2)
976 {
977 	plldss_defaults("PLL_D2", plld2, PLLD2_MISC0_DEFAULT_VALUE,
978 			PLLD2_MISC1_CFG_DEFAULT_VALUE,
979 			PLLD2_MISC2_CTRL1_DEFAULT_VALUE,
980 			PLLD2_MISC3_CTRL2_DEFAULT_VALUE);
981 }
982 
tegra210_plldp_set_defaults(struct tegra_clk_pll * plldp)983 static void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp)
984 {
985 	plldss_defaults("PLL_DP", plldp, PLLDP_MISC0_DEFAULT_VALUE,
986 			PLLDP_MISC1_CFG_DEFAULT_VALUE,
987 			PLLDP_MISC2_CTRL1_DEFAULT_VALUE,
988 			PLLDP_MISC3_CTRL2_DEFAULT_VALUE);
989 }
990 
991 /*
992  * PLLC4
993  * Base and misc0 layout is the same as PLLD2/PLLDP, but no SDM/SSC support.
994  * VCO is exposed to the clock tree via fixed 1/3 and 1/5 dividers.
995  */
tegra210_pllc4_set_defaults(struct tegra_clk_pll * pllc4)996 static void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4)
997 {
998 	plldss_defaults("PLL_C4", pllc4, PLLC4_MISC0_DEFAULT_VALUE, 0, 0, 0);
999 }
1000 
1001 /*
1002  * PLLRE
1003  * VCO is exposed to the clock tree directly along with post-divider output
1004  */
tegra210_pllre_set_defaults(struct tegra_clk_pll * pllre)1005 static void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre)
1006 {
1007 	u32 mask;
1008 	u32 val = readl_relaxed(clk_base + pllre->params->base_reg);
1009 
1010 	pllre->params->defaults_set = true;
1011 
1012 	if (val & PLL_ENABLE) {
1013 		/*
1014 		 * PLL is ON: check if defaults already set, then set those
1015 		 * that can be updated in flight.
1016 		 */
1017 		val &= PLLRE_BASE_DEFAULT_MASK;
1018 		if (val != PLLRE_BASE_DEFAULT_VALUE) {
1019 			pr_warn("pllre boot base 0x%x : expected 0x%x\n",
1020 				val, PLLRE_BASE_DEFAULT_VALUE);
1021 			pr_warn("(comparison mask = 0x%x)\n",
1022 				PLLRE_BASE_DEFAULT_MASK);
1023 			pllre->params->defaults_set = false;
1024 		}
1025 
1026 		/* Ignore lock enable */
1027 		val = PLLRE_MISC0_DEFAULT_VALUE & (~PLLRE_MISC0_IDDQ);
1028 		mask = PLLRE_MISC0_LOCK_ENABLE | PLLRE_MISC0_LOCK_OVERRIDE;
1029 		_pll_misc_chk_default(clk_base, pllre->params, 0, val,
1030 				~mask & PLLRE_MISC0_WRITE_MASK);
1031 
1032 		/* The PLL doesn't work if it's in IDDQ. */
1033 		val = readl_relaxed(clk_base + pllre->params->ext_misc_reg[0]);
1034 		if (val & PLLRE_MISC0_IDDQ)
1035 			pr_warn("unexpected IDDQ bit set for enabled clock\n");
1036 
1037 		/* Enable lock detect */
1038 		val &= ~mask;
1039 		val |= PLLRE_MISC0_DEFAULT_VALUE & mask;
1040 		writel_relaxed(val, clk_base + pllre->params->ext_misc_reg[0]);
1041 		udelay(1);
1042 
1043 		if (!pllre->params->defaults_set)
1044 			pr_warn("PLL_RE already enabled. Postponing set full defaults\n");
1045 
1046 		return;
1047 	}
1048 
1049 	/* set IDDQ, enable lock detect */
1050 	val &= ~PLLRE_BASE_DEFAULT_MASK;
1051 	val |= PLLRE_BASE_DEFAULT_VALUE & PLLRE_BASE_DEFAULT_MASK;
1052 	writel_relaxed(val, clk_base + pllre->params->base_reg);
1053 	writel_relaxed(PLLRE_MISC0_DEFAULT_VALUE,
1054 			clk_base + pllre->params->ext_misc_reg[0]);
1055 	udelay(1);
1056 }
1057 
pllx_get_dyn_steps(struct clk_hw * hw,u32 * step_a,u32 * step_b)1058 static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b)
1059 {
1060 	unsigned long input_rate;
1061 
1062 	/* cf rate */
1063 	if (!IS_ERR_OR_NULL(hw->clk))
1064 		input_rate = clk_hw_get_rate(clk_hw_get_parent(hw));
1065 	else
1066 		input_rate = 38400000;
1067 
1068 	input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate);
1069 
1070 	switch (input_rate) {
1071 	case 12000000:
1072 	case 12800000:
1073 	case 13000000:
1074 		*step_a = 0x2B;
1075 		*step_b = 0x0B;
1076 		return;
1077 	case 19200000:
1078 		*step_a = 0x12;
1079 		*step_b = 0x08;
1080 		return;
1081 	case 38400000:
1082 		*step_a = 0x04;
1083 		*step_b = 0x05;
1084 		return;
1085 	default:
1086 		pr_err("%s: Unexpected reference rate %lu\n",
1087 			__func__, input_rate);
1088 		BUG();
1089 	}
1090 }
1091 
pllx_check_defaults(struct tegra_clk_pll * pll)1092 static void pllx_check_defaults(struct tegra_clk_pll *pll)
1093 {
1094 	u32 default_val;
1095 
1096 	default_val = PLLX_MISC0_DEFAULT_VALUE;
1097 	/* ignore lock enable */
1098 	_pll_misc_chk_default(clk_base, pll->params, 0, default_val,
1099 			PLLX_MISC0_WRITE_MASK & (~PLLX_MISC0_LOCK_ENABLE));
1100 
1101 	default_val = PLLX_MISC1_DEFAULT_VALUE;
1102 	_pll_misc_chk_default(clk_base, pll->params, 1, default_val,
1103 			PLLX_MISC1_WRITE_MASK);
1104 
1105 	/* ignore all but control bit */
1106 	default_val = PLLX_MISC2_DEFAULT_VALUE;
1107 	_pll_misc_chk_default(clk_base, pll->params, 2,
1108 			default_val, PLLX_MISC2_EN_DYNRAMP);
1109 
1110 	default_val = PLLX_MISC3_DEFAULT_VALUE & (~PLLX_MISC3_IDDQ);
1111 	_pll_misc_chk_default(clk_base, pll->params, 3, default_val,
1112 			PLLX_MISC3_WRITE_MASK);
1113 
1114 	default_val = PLLX_MISC4_DEFAULT_VALUE;
1115 	_pll_misc_chk_default(clk_base, pll->params, 4, default_val,
1116 			PLLX_MISC4_WRITE_MASK);
1117 
1118 	default_val = PLLX_MISC5_DEFAULT_VALUE;
1119 	_pll_misc_chk_default(clk_base, pll->params, 5, default_val,
1120 			PLLX_MISC5_WRITE_MASK);
1121 }
1122 
tegra210_pllx_set_defaults(struct tegra_clk_pll * pllx)1123 static void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx)
1124 {
1125 	u32 val;
1126 	u32 step_a, step_b;
1127 
1128 	pllx->params->defaults_set = true;
1129 
1130 	/* Get ready dyn ramp state machine settings */
1131 	pllx_get_dyn_steps(&pllx->hw, &step_a, &step_b);
1132 	val = PLLX_MISC2_DEFAULT_VALUE & (~PLLX_MISC2_DYNRAMP_STEPA_MASK) &
1133 		(~PLLX_MISC2_DYNRAMP_STEPB_MASK);
1134 	val |= step_a << PLLX_MISC2_DYNRAMP_STEPA_SHIFT;
1135 	val |= step_b << PLLX_MISC2_DYNRAMP_STEPB_SHIFT;
1136 
1137 	if (readl_relaxed(clk_base + pllx->params->base_reg) & PLL_ENABLE) {
1138 
1139 		/*
1140 		 * PLL is ON: check if defaults already set, then set those
1141 		 * that can be updated in flight.
1142 		 */
1143 		pllx_check_defaults(pllx);
1144 
1145 		if (!pllx->params->defaults_set)
1146 			pr_warn("PLL_X already enabled. Postponing set full defaults\n");
1147 		/* Configure dyn ramp, disable lock override */
1148 		writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1149 
1150 		/* Enable lock detect */
1151 		val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[0]);
1152 		val &= ~PLLX_MISC0_LOCK_ENABLE;
1153 		val |= PLLX_MISC0_DEFAULT_VALUE & PLLX_MISC0_LOCK_ENABLE;
1154 		writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[0]);
1155 		udelay(1);
1156 
1157 		return;
1158 	}
1159 
1160 	/* Enable lock detect and CPU output */
1161 	writel_relaxed(PLLX_MISC0_DEFAULT_VALUE, clk_base +
1162 			pllx->params->ext_misc_reg[0]);
1163 
1164 	/* Setup */
1165 	writel_relaxed(PLLX_MISC1_DEFAULT_VALUE, clk_base +
1166 			pllx->params->ext_misc_reg[1]);
1167 
1168 	/* Configure dyn ramp state machine, disable lock override */
1169 	writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1170 
1171 	/* Set IDDQ */
1172 	writel_relaxed(PLLX_MISC3_DEFAULT_VALUE, clk_base +
1173 			pllx->params->ext_misc_reg[3]);
1174 
1175 	/* Disable SDM */
1176 	writel_relaxed(PLLX_MISC4_DEFAULT_VALUE, clk_base +
1177 			pllx->params->ext_misc_reg[4]);
1178 	writel_relaxed(PLLX_MISC5_DEFAULT_VALUE, clk_base +
1179 			pllx->params->ext_misc_reg[5]);
1180 	udelay(1);
1181 }
1182 
1183 /* PLLMB */
tegra210_pllmb_set_defaults(struct tegra_clk_pll * pllmb)1184 static void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb)
1185 {
1186 	u32 mask, val = readl_relaxed(clk_base + pllmb->params->base_reg);
1187 
1188 	pllmb->params->defaults_set = true;
1189 
1190 	if (val & PLL_ENABLE) {
1191 
1192 		/*
1193 		 * PLL is ON: check if defaults already set, then set those
1194 		 * that can be updated in flight.
1195 		 */
1196 		val = PLLMB_MISC1_DEFAULT_VALUE & (~PLLMB_MISC1_IDDQ);
1197 		mask = PLLMB_MISC1_LOCK_ENABLE | PLLMB_MISC1_LOCK_OVERRIDE;
1198 		_pll_misc_chk_default(clk_base, pllmb->params, 0, val,
1199 				~mask & PLLMB_MISC1_WRITE_MASK);
1200 
1201 		if (!pllmb->params->defaults_set)
1202 			pr_warn("PLL_MB already enabled. Postponing set full defaults\n");
1203 		/* Enable lock detect */
1204 		val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]);
1205 		val &= ~mask;
1206 		val |= PLLMB_MISC1_DEFAULT_VALUE & mask;
1207 		writel_relaxed(val, clk_base + pllmb->params->ext_misc_reg[0]);
1208 		udelay(1);
1209 
1210 		return;
1211 	}
1212 
1213 	/* set IDDQ, enable lock detect */
1214 	writel_relaxed(PLLMB_MISC1_DEFAULT_VALUE,
1215 			clk_base + pllmb->params->ext_misc_reg[0]);
1216 	udelay(1);
1217 }
1218 
1219 /*
1220  * PLLP
1221  * VCO is exposed to the clock tree directly along with post-divider output.
1222  * Both VCO and post-divider output rates are fixed at 408MHz and 204MHz,
1223  * respectively.
1224  */
pllp_check_defaults(struct tegra_clk_pll * pll,bool enabled)1225 static void pllp_check_defaults(struct tegra_clk_pll *pll, bool enabled)
1226 {
1227 	u32 val, mask;
1228 
1229 	/* Ignore lock enable (will be set), make sure not in IDDQ if enabled */
1230 	val = PLLP_MISC0_DEFAULT_VALUE & (~PLLP_MISC0_IDDQ);
1231 	mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
1232 	if (!enabled)
1233 		mask |= PLLP_MISC0_IDDQ;
1234 	_pll_misc_chk_default(clk_base, pll->params, 0, val,
1235 			~mask & PLLP_MISC0_WRITE_MASK);
1236 
1237 	/* Ignore branch controls */
1238 	val = PLLP_MISC1_DEFAULT_VALUE;
1239 	mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
1240 	_pll_misc_chk_default(clk_base, pll->params, 1, val,
1241 			~mask & PLLP_MISC1_WRITE_MASK);
1242 }
1243 
tegra210_pllp_set_defaults(struct tegra_clk_pll * pllp)1244 static void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp)
1245 {
1246 	u32 mask;
1247 	u32 val = readl_relaxed(clk_base + pllp->params->base_reg);
1248 
1249 	pllp->params->defaults_set = true;
1250 
1251 	if (val & PLL_ENABLE) {
1252 
1253 		/*
1254 		 * PLL is ON: check if defaults already set, then set those
1255 		 * that can be updated in flight.
1256 		 */
1257 		pllp_check_defaults(pllp, true);
1258 		if (!pllp->params->defaults_set)
1259 			pr_warn("PLL_P already enabled. Postponing set full defaults\n");
1260 
1261 		/* Enable lock detect */
1262 		val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[0]);
1263 		mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
1264 		val &= ~mask;
1265 		val |= PLLP_MISC0_DEFAULT_VALUE & mask;
1266 		writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[0]);
1267 		udelay(1);
1268 
1269 		return;
1270 	}
1271 
1272 	/* set IDDQ, enable lock detect */
1273 	writel_relaxed(PLLP_MISC0_DEFAULT_VALUE,
1274 			clk_base + pllp->params->ext_misc_reg[0]);
1275 
1276 	/* Preserve branch control */
1277 	val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[1]);
1278 	mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
1279 	val &= mask;
1280 	val |= ~mask & PLLP_MISC1_DEFAULT_VALUE;
1281 	writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[1]);
1282 	udelay(1);
1283 }
1284 
1285 /*
1286  * PLLU
1287  * VCO is exposed to the clock tree directly along with post-divider output.
1288  * Both VCO and post-divider output rates are fixed at 480MHz and 240MHz,
1289  * respectively.
1290  */
pllu_check_defaults(struct tegra_clk_pll_params * params,bool hw_control)1291 static void pllu_check_defaults(struct tegra_clk_pll_params *params,
1292 				bool hw_control)
1293 {
1294 	u32 val, mask;
1295 
1296 	/* Ignore lock enable (will be set) and IDDQ if under h/w control */
1297 	val = PLLU_MISC0_DEFAULT_VALUE & (~PLLU_MISC0_IDDQ);
1298 	mask = PLLU_MISC0_LOCK_ENABLE | (hw_control ? PLLU_MISC0_IDDQ : 0);
1299 	_pll_misc_chk_default(clk_base, params, 0, val,
1300 			~mask & PLLU_MISC0_WRITE_MASK);
1301 
1302 	val = PLLU_MISC1_DEFAULT_VALUE;
1303 	mask = PLLU_MISC1_LOCK_OVERRIDE;
1304 	_pll_misc_chk_default(clk_base, params, 1, val,
1305 			~mask & PLLU_MISC1_WRITE_MASK);
1306 }
1307 
tegra210_pllu_set_defaults(struct tegra_clk_pll_params * pllu)1308 static void tegra210_pllu_set_defaults(struct tegra_clk_pll_params *pllu)
1309 {
1310 	u32 val = readl_relaxed(clk_base + pllu->base_reg);
1311 
1312 	pllu->defaults_set = true;
1313 
1314 	if (val & PLL_ENABLE) {
1315 
1316 		/*
1317 		 * PLL is ON: check if defaults already set, then set those
1318 		 * that can be updated in flight.
1319 		 */
1320 		pllu_check_defaults(pllu, false);
1321 		if (!pllu->defaults_set)
1322 			pr_warn("PLL_U already enabled. Postponing set full defaults\n");
1323 
1324 		/* Enable lock detect */
1325 		val = readl_relaxed(clk_base + pllu->ext_misc_reg[0]);
1326 		val &= ~PLLU_MISC0_LOCK_ENABLE;
1327 		val |= PLLU_MISC0_DEFAULT_VALUE & PLLU_MISC0_LOCK_ENABLE;
1328 		writel_relaxed(val, clk_base + pllu->ext_misc_reg[0]);
1329 
1330 		val = readl_relaxed(clk_base + pllu->ext_misc_reg[1]);
1331 		val &= ~PLLU_MISC1_LOCK_OVERRIDE;
1332 		val |= PLLU_MISC1_DEFAULT_VALUE & PLLU_MISC1_LOCK_OVERRIDE;
1333 		writel_relaxed(val, clk_base + pllu->ext_misc_reg[1]);
1334 		udelay(1);
1335 
1336 		return;
1337 	}
1338 
1339 	/* set IDDQ, enable lock detect */
1340 	writel_relaxed(PLLU_MISC0_DEFAULT_VALUE,
1341 			clk_base + pllu->ext_misc_reg[0]);
1342 	writel_relaxed(PLLU_MISC1_DEFAULT_VALUE,
1343 			clk_base + pllu->ext_misc_reg[1]);
1344 	udelay(1);
1345 }
1346 
1347 #define mask(w) ((1 << (w)) - 1)
1348 #define divm_mask(p) mask(p->params->div_nmp->divm_width)
1349 #define divn_mask(p) mask(p->params->div_nmp->divn_width)
1350 #define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\
1351 		      mask(p->params->div_nmp->divp_width))
1352 
1353 #define divm_shift(p) ((p)->params->div_nmp->divm_shift)
1354 #define divn_shift(p) ((p)->params->div_nmp->divn_shift)
1355 #define divp_shift(p) ((p)->params->div_nmp->divp_shift)
1356 
1357 #define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p))
1358 #define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p))
1359 #define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p))
1360 
1361 #define PLL_LOCKDET_DELAY 2	/* Lock detection safety delays */
tegra210_wait_for_mask(struct tegra_clk_pll * pll,u32 reg,u32 mask)1362 static int tegra210_wait_for_mask(struct tegra_clk_pll *pll,
1363 				  u32 reg, u32 mask)
1364 {
1365 	int i;
1366 	u32 val = 0;
1367 
1368 	for (i = 0; i < pll->params->lock_delay / PLL_LOCKDET_DELAY + 1; i++) {
1369 		udelay(PLL_LOCKDET_DELAY);
1370 		val = readl_relaxed(clk_base + reg);
1371 		if ((val & mask) == mask) {
1372 			udelay(PLL_LOCKDET_DELAY);
1373 			return 0;
1374 		}
1375 	}
1376 	return -ETIMEDOUT;
1377 }
1378 
tegra210_pllx_dyn_ramp(struct tegra_clk_pll * pllx,struct tegra_clk_pll_freq_table * cfg)1379 static int tegra210_pllx_dyn_ramp(struct tegra_clk_pll *pllx,
1380 		struct tegra_clk_pll_freq_table *cfg)
1381 {
1382 	u32 val, base, ndiv_new_mask;
1383 
1384 	ndiv_new_mask = (divn_mask(pllx) >> pllx->params->div_nmp->divn_shift)
1385 			 << PLLX_MISC2_NDIV_NEW_SHIFT;
1386 
1387 	val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1388 	val &= (~ndiv_new_mask);
1389 	val |= cfg->n << PLLX_MISC2_NDIV_NEW_SHIFT;
1390 	writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1391 	udelay(1);
1392 
1393 	val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1394 	val |= PLLX_MISC2_EN_DYNRAMP;
1395 	writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1396 	udelay(1);
1397 
1398 	tegra210_wait_for_mask(pllx, pllx->params->ext_misc_reg[2],
1399 			       PLLX_MISC2_DYNRAMP_DONE);
1400 
1401 	base = readl_relaxed(clk_base + pllx->params->base_reg) &
1402 		(~divn_mask_shifted(pllx));
1403 	base |= cfg->n << pllx->params->div_nmp->divn_shift;
1404 	writel_relaxed(base, clk_base + pllx->params->base_reg);
1405 	udelay(1);
1406 
1407 	val &= ~PLLX_MISC2_EN_DYNRAMP;
1408 	writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1409 	udelay(1);
1410 
1411 	pr_debug("%s: dynamic ramp to m = %u n = %u p = %u, Fout = %lu kHz\n",
1412 		 __clk_get_name(pllx->hw.clk), cfg->m, cfg->n, cfg->p,
1413 		 cfg->input_rate / cfg->m * cfg->n /
1414 		 pllx->params->pdiv_tohw[cfg->p].pdiv / 1000);
1415 
1416 	return 0;
1417 }
1418 
1419 /*
1420  * Common configuration for PLLs with fixed input divider policy:
1421  * - always set fixed M-value based on the reference rate
1422  * - always set P-value value 1:1 for output rates above VCO minimum, and
1423  *   choose minimum necessary P-value for output rates below VCO maximum
1424  * - calculate N-value based on selected M and P
1425  * - calculate SDM_DIN fractional part
1426  */
tegra210_pll_fixed_mdiv_cfg(struct clk_hw * hw,struct tegra_clk_pll_freq_table * cfg,unsigned long rate,unsigned long input_rate)1427 static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw,
1428 			       struct tegra_clk_pll_freq_table *cfg,
1429 			       unsigned long rate, unsigned long input_rate)
1430 {
1431 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1432 	struct tegra_clk_pll_params *params = pll->params;
1433 	int p;
1434 	unsigned long cf, p_rate;
1435 	u32 pdiv;
1436 
1437 	if (!rate)
1438 		return -EINVAL;
1439 
1440 	if (!(params->flags & TEGRA_PLL_VCO_OUT)) {
1441 		p = DIV_ROUND_UP(params->vco_min, rate);
1442 		p = params->round_p_to_pdiv(p, &pdiv);
1443 	} else {
1444 		p = rate >= params->vco_min ? 1 : -EINVAL;
1445 	}
1446 
1447 	if (p < 0)
1448 		return -EINVAL;
1449 
1450 	cfg->m = tegra_pll_get_fixed_mdiv(hw, input_rate);
1451 	cfg->p = p;
1452 
1453 	/* Store P as HW value, as that is what is expected */
1454 	cfg->p = tegra_pll_p_div_to_hw(pll, cfg->p);
1455 
1456 	p_rate = rate * p;
1457 	if (p_rate > params->vco_max)
1458 		p_rate = params->vco_max;
1459 	cf = input_rate / cfg->m;
1460 	cfg->n = p_rate / cf;
1461 
1462 	cfg->sdm_data = 0;
1463 	cfg->output_rate = input_rate;
1464 	if (params->sdm_ctrl_reg) {
1465 		unsigned long rem = p_rate - cf * cfg->n;
1466 		/* If ssc is enabled SDM enabled as well, even for integer n */
1467 		if (rem || params->ssc_ctrl_reg) {
1468 			u64 s = rem * PLL_SDM_COEFF;
1469 
1470 			do_div(s, cf);
1471 			s -= PLL_SDM_COEFF / 2;
1472 			cfg->sdm_data = sdin_din_to_data(s);
1473 		}
1474 		cfg->output_rate *= sdin_get_n_eff(cfg);
1475 		cfg->output_rate /= p * cfg->m * PLL_SDM_COEFF;
1476 	} else {
1477 		cfg->output_rate *= cfg->n;
1478 		cfg->output_rate /= p * cfg->m;
1479 	}
1480 
1481 	cfg->input_rate = input_rate;
1482 
1483 	return 0;
1484 }
1485 
1486 /*
1487  * clk_pll_set_gain - set gain to m, n to calculate correct VCO rate
1488  *
1489  * @cfg: struct tegra_clk_pll_freq_table * cfg
1490  *
1491  * For Normal mode:
1492  *     Fvco = Fref * NDIV / MDIV
1493  *
1494  * For fractional mode:
1495  *     Fvco = Fref * (NDIV + 0.5 + SDM_DIN / PLL_SDM_COEFF) / MDIV
1496  */
tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table * cfg)1497 static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg)
1498 {
1499 	cfg->n = sdin_get_n_eff(cfg);
1500 	cfg->m *= PLL_SDM_COEFF;
1501 }
1502 
1503 static unsigned long
tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params * params,unsigned long parent_rate)1504 tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params,
1505 			    unsigned long parent_rate)
1506 {
1507 	unsigned long vco_min = params->vco_min;
1508 
1509 	params->vco_min += DIV_ROUND_UP(parent_rate, PLL_SDM_COEFF);
1510 	vco_min = min(vco_min, params->vco_min);
1511 
1512 	return vco_min;
1513 }
1514 
1515 static struct div_nmp pllx_nmp = {
1516 	.divm_shift = 0,
1517 	.divm_width = 8,
1518 	.divn_shift = 8,
1519 	.divn_width = 8,
1520 	.divp_shift = 20,
1521 	.divp_width = 5,
1522 };
1523 /*
1524  * PLL post divider maps - two types: quasi-linear and exponential
1525  * post divider.
1526  */
1527 #define PLL_QLIN_PDIV_MAX	16
1528 static const struct pdiv_map pll_qlin_pdiv_to_hw[] = {
1529 	{ .pdiv =  1, .hw_val =  0 },
1530 	{ .pdiv =  2, .hw_val =  1 },
1531 	{ .pdiv =  3, .hw_val =  2 },
1532 	{ .pdiv =  4, .hw_val =  3 },
1533 	{ .pdiv =  5, .hw_val =  4 },
1534 	{ .pdiv =  6, .hw_val =  5 },
1535 	{ .pdiv =  8, .hw_val =  6 },
1536 	{ .pdiv =  9, .hw_val =  7 },
1537 	{ .pdiv = 10, .hw_val =  8 },
1538 	{ .pdiv = 12, .hw_val =  9 },
1539 	{ .pdiv = 15, .hw_val = 10 },
1540 	{ .pdiv = 16, .hw_val = 11 },
1541 	{ .pdiv = 18, .hw_val = 12 },
1542 	{ .pdiv = 20, .hw_val = 13 },
1543 	{ .pdiv = 24, .hw_val = 14 },
1544 	{ .pdiv = 30, .hw_val = 15 },
1545 	{ .pdiv = 32, .hw_val = 16 },
1546 };
1547 
pll_qlin_p_to_pdiv(u32 p,u32 * pdiv)1548 static u32 pll_qlin_p_to_pdiv(u32 p, u32 *pdiv)
1549 {
1550 	int i;
1551 
1552 	if (p) {
1553 		for (i = 0; i <= PLL_QLIN_PDIV_MAX; i++) {
1554 			if (p <= pll_qlin_pdiv_to_hw[i].pdiv) {
1555 				if (pdiv)
1556 					*pdiv = i;
1557 				return pll_qlin_pdiv_to_hw[i].pdiv;
1558 			}
1559 		}
1560 	}
1561 
1562 	return -EINVAL;
1563 }
1564 
1565 #define PLL_EXPO_PDIV_MAX	7
1566 static const struct pdiv_map pll_expo_pdiv_to_hw[] = {
1567 	{ .pdiv =   1, .hw_val = 0 },
1568 	{ .pdiv =   2, .hw_val = 1 },
1569 	{ .pdiv =   4, .hw_val = 2 },
1570 	{ .pdiv =   8, .hw_val = 3 },
1571 	{ .pdiv =  16, .hw_val = 4 },
1572 	{ .pdiv =  32, .hw_val = 5 },
1573 	{ .pdiv =  64, .hw_val = 6 },
1574 	{ .pdiv = 128, .hw_val = 7 },
1575 };
1576 
pll_expo_p_to_pdiv(u32 p,u32 * pdiv)1577 static u32 pll_expo_p_to_pdiv(u32 p, u32 *pdiv)
1578 {
1579 	if (p) {
1580 		u32 i = fls(p);
1581 
1582 		if (i == ffs(p))
1583 			i--;
1584 
1585 		if (i <= PLL_EXPO_PDIV_MAX) {
1586 			if (pdiv)
1587 				*pdiv = i;
1588 			return 1 << i;
1589 		}
1590 	}
1591 	return -EINVAL;
1592 }
1593 
1594 static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
1595 	/* 1 GHz */
1596 	{ 12000000, 1000000000, 166, 1, 2, 0 }, /* actual: 996.0 MHz */
1597 	{ 13000000, 1000000000, 153, 1, 2, 0 }, /* actual: 994.0 MHz */
1598 	{ 38400000, 1000000000, 156, 3, 2, 0 }, /* actual: 998.4 MHz */
1599 	{        0,          0,   0, 0, 0, 0 },
1600 };
1601 
1602 static struct tegra_clk_pll_params pll_x_params = {
1603 	.input_min = 12000000,
1604 	.input_max = 800000000,
1605 	.cf_min = 12000000,
1606 	.cf_max = 38400000,
1607 	.vco_min = 1350000000,
1608 	.vco_max = 3000000000UL,
1609 	.base_reg = PLLX_BASE,
1610 	.misc_reg = PLLX_MISC0,
1611 	.lock_mask = PLL_BASE_LOCK,
1612 	.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
1613 	.lock_delay = 300,
1614 	.ext_misc_reg[0] = PLLX_MISC0,
1615 	.ext_misc_reg[1] = PLLX_MISC1,
1616 	.ext_misc_reg[2] = PLLX_MISC2,
1617 	.ext_misc_reg[3] = PLLX_MISC3,
1618 	.ext_misc_reg[4] = PLLX_MISC4,
1619 	.ext_misc_reg[5] = PLLX_MISC5,
1620 	.iddq_reg = PLLX_MISC3,
1621 	.iddq_bit_idx = PLLXP_IDDQ_BIT,
1622 	.max_p = PLL_QLIN_PDIV_MAX,
1623 	.mdiv_default = 2,
1624 	.dyn_ramp_reg = PLLX_MISC2,
1625 	.stepa_shift = 16,
1626 	.stepb_shift = 24,
1627 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1628 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1629 	.div_nmp = &pllx_nmp,
1630 	.freq_table = pll_x_freq_table,
1631 	.flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1632 	.dyn_ramp = tegra210_pllx_dyn_ramp,
1633 	.set_defaults = tegra210_pllx_set_defaults,
1634 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1635 };
1636 
1637 static struct div_nmp pllc_nmp = {
1638 	.divm_shift = 0,
1639 	.divm_width = 8,
1640 	.divn_shift = 10,
1641 	.divn_width = 8,
1642 	.divp_shift = 20,
1643 	.divp_width = 5,
1644 };
1645 
1646 static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = {
1647 	{ 12000000, 510000000, 85, 1, 2, 0 },
1648 	{ 13000000, 510000000, 78, 1, 2, 0 }, /* actual: 507.0 MHz */
1649 	{ 38400000, 510000000, 79, 3, 2, 0 }, /* actual: 505.6 MHz */
1650 	{        0,         0,  0, 0, 0, 0 },
1651 };
1652 
1653 static struct tegra_clk_pll_params pll_c_params = {
1654 	.input_min = 12000000,
1655 	.input_max = 700000000,
1656 	.cf_min = 12000000,
1657 	.cf_max = 50000000,
1658 	.vco_min = 600000000,
1659 	.vco_max = 1200000000,
1660 	.base_reg = PLLC_BASE,
1661 	.misc_reg = PLLC_MISC0,
1662 	.lock_mask = PLL_BASE_LOCK,
1663 	.lock_delay = 300,
1664 	.iddq_reg = PLLC_MISC1,
1665 	.iddq_bit_idx = PLLCX_IDDQ_BIT,
1666 	.reset_reg = PLLC_MISC0,
1667 	.reset_bit_idx = PLLCX_RESET_BIT,
1668 	.max_p = PLL_QLIN_PDIV_MAX,
1669 	.ext_misc_reg[0] = PLLC_MISC0,
1670 	.ext_misc_reg[1] = PLLC_MISC1,
1671 	.ext_misc_reg[2] = PLLC_MISC2,
1672 	.ext_misc_reg[3] = PLLC_MISC3,
1673 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1674 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1675 	.mdiv_default = 3,
1676 	.div_nmp = &pllc_nmp,
1677 	.freq_table = pll_cx_freq_table,
1678 	.flags = TEGRA_PLL_USE_LOCK,
1679 	.set_defaults = _pllc_set_defaults,
1680 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1681 };
1682 
1683 static struct div_nmp pllcx_nmp = {
1684 	.divm_shift = 0,
1685 	.divm_width = 8,
1686 	.divn_shift = 10,
1687 	.divn_width = 8,
1688 	.divp_shift = 20,
1689 	.divp_width = 5,
1690 };
1691 
1692 static struct tegra_clk_pll_params pll_c2_params = {
1693 	.input_min = 12000000,
1694 	.input_max = 700000000,
1695 	.cf_min = 12000000,
1696 	.cf_max = 50000000,
1697 	.vco_min = 600000000,
1698 	.vco_max = 1200000000,
1699 	.base_reg = PLLC2_BASE,
1700 	.misc_reg = PLLC2_MISC0,
1701 	.iddq_reg = PLLC2_MISC1,
1702 	.iddq_bit_idx = PLLCX_IDDQ_BIT,
1703 	.reset_reg = PLLC2_MISC0,
1704 	.reset_bit_idx = PLLCX_RESET_BIT,
1705 	.lock_mask = PLLCX_BASE_LOCK,
1706 	.lock_delay = 300,
1707 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1708 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1709 	.mdiv_default = 3,
1710 	.div_nmp = &pllcx_nmp,
1711 	.max_p = PLL_QLIN_PDIV_MAX,
1712 	.ext_misc_reg[0] = PLLC2_MISC0,
1713 	.ext_misc_reg[1] = PLLC2_MISC1,
1714 	.ext_misc_reg[2] = PLLC2_MISC2,
1715 	.ext_misc_reg[3] = PLLC2_MISC3,
1716 	.freq_table = pll_cx_freq_table,
1717 	.flags = TEGRA_PLL_USE_LOCK,
1718 	.set_defaults = _pllc2_set_defaults,
1719 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1720 };
1721 
1722 static struct tegra_clk_pll_params pll_c3_params = {
1723 	.input_min = 12000000,
1724 	.input_max = 700000000,
1725 	.cf_min = 12000000,
1726 	.cf_max = 50000000,
1727 	.vco_min = 600000000,
1728 	.vco_max = 1200000000,
1729 	.base_reg = PLLC3_BASE,
1730 	.misc_reg = PLLC3_MISC0,
1731 	.lock_mask = PLLCX_BASE_LOCK,
1732 	.lock_delay = 300,
1733 	.iddq_reg = PLLC3_MISC1,
1734 	.iddq_bit_idx = PLLCX_IDDQ_BIT,
1735 	.reset_reg = PLLC3_MISC0,
1736 	.reset_bit_idx = PLLCX_RESET_BIT,
1737 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1738 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1739 	.mdiv_default = 3,
1740 	.div_nmp = &pllcx_nmp,
1741 	.max_p = PLL_QLIN_PDIV_MAX,
1742 	.ext_misc_reg[0] = PLLC3_MISC0,
1743 	.ext_misc_reg[1] = PLLC3_MISC1,
1744 	.ext_misc_reg[2] = PLLC3_MISC2,
1745 	.ext_misc_reg[3] = PLLC3_MISC3,
1746 	.freq_table = pll_cx_freq_table,
1747 	.flags = TEGRA_PLL_USE_LOCK,
1748 	.set_defaults = _pllc3_set_defaults,
1749 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1750 };
1751 
1752 static struct div_nmp pllss_nmp = {
1753 	.divm_shift = 0,
1754 	.divm_width = 8,
1755 	.divn_shift = 8,
1756 	.divn_width = 8,
1757 	.divp_shift = 19,
1758 	.divp_width = 5,
1759 };
1760 
1761 static struct tegra_clk_pll_freq_table pll_c4_vco_freq_table[] = {
1762 	{ 12000000, 600000000, 50, 1, 1, 0 },
1763 	{ 13000000, 600000000, 46, 1, 1, 0 }, /* actual: 598.0 MHz */
1764 	{ 38400000, 600000000, 62, 4, 1, 0 }, /* actual: 595.2 MHz */
1765 	{        0,         0,  0, 0, 0, 0 },
1766 };
1767 
1768 static const struct clk_div_table pll_vco_post_div_table[] = {
1769 	{ .val =  0, .div =  1 },
1770 	{ .val =  1, .div =  2 },
1771 	{ .val =  2, .div =  3 },
1772 	{ .val =  3, .div =  4 },
1773 	{ .val =  4, .div =  5 },
1774 	{ .val =  5, .div =  6 },
1775 	{ .val =  6, .div =  8 },
1776 	{ .val =  7, .div = 10 },
1777 	{ .val =  8, .div = 12 },
1778 	{ .val =  9, .div = 16 },
1779 	{ .val = 10, .div = 12 },
1780 	{ .val = 11, .div = 16 },
1781 	{ .val = 12, .div = 20 },
1782 	{ .val = 13, .div = 24 },
1783 	{ .val = 14, .div = 32 },
1784 	{ .val =  0, .div =  0 },
1785 };
1786 
1787 static struct tegra_clk_pll_params pll_c4_vco_params = {
1788 	.input_min = 9600000,
1789 	.input_max = 800000000,
1790 	.cf_min = 9600000,
1791 	.cf_max = 19200000,
1792 	.vco_min = 500000000,
1793 	.vco_max = 1080000000,
1794 	.base_reg = PLLC4_BASE,
1795 	.misc_reg = PLLC4_MISC0,
1796 	.lock_mask = PLL_BASE_LOCK,
1797 	.lock_delay = 300,
1798 	.max_p = PLL_QLIN_PDIV_MAX,
1799 	.ext_misc_reg[0] = PLLC4_MISC0,
1800 	.iddq_reg = PLLC4_BASE,
1801 	.iddq_bit_idx = PLLSS_IDDQ_BIT,
1802 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1803 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1804 	.mdiv_default = 3,
1805 	.div_nmp = &pllss_nmp,
1806 	.freq_table = pll_c4_vco_freq_table,
1807 	.set_defaults = tegra210_pllc4_set_defaults,
1808 	.flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
1809 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1810 };
1811 
1812 static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
1813 	{ 12000000,  800000000,  66, 1, 1, 0 }, /* actual: 792.0 MHz */
1814 	{ 13000000,  800000000,  61, 1, 1, 0 }, /* actual: 793.0 MHz */
1815 	{ 38400000,  297600000,  93, 4, 3, 0 },
1816 	{ 38400000,  400000000, 125, 4, 3, 0 },
1817 	{ 38400000,  532800000, 111, 4, 2, 0 },
1818 	{ 38400000,  665600000, 104, 3, 2, 0 },
1819 	{ 38400000,  800000000, 125, 3, 2, 0 },
1820 	{ 38400000,  931200000,  97, 4, 1, 0 },
1821 	{ 38400000, 1065600000, 111, 4, 1, 0 },
1822 	{ 38400000, 1200000000, 125, 4, 1, 0 },
1823 	{ 38400000, 1331200000, 104, 3, 1, 0 },
1824 	{ 38400000, 1459200000,  76, 2, 1, 0 },
1825 	{ 38400000, 1600000000, 125, 3, 1, 0 },
1826 	{        0,          0,   0, 0, 0, 0 },
1827 };
1828 
1829 static struct div_nmp pllm_nmp = {
1830 	.divm_shift = 0,
1831 	.divm_width = 8,
1832 	.override_divm_shift = 0,
1833 	.divn_shift = 8,
1834 	.divn_width = 8,
1835 	.override_divn_shift = 8,
1836 	.divp_shift = 20,
1837 	.divp_width = 5,
1838 	.override_divp_shift = 27,
1839 };
1840 
1841 static struct tegra_clk_pll_params pll_m_params = {
1842 	.input_min = 9600000,
1843 	.input_max = 500000000,
1844 	.cf_min = 9600000,
1845 	.cf_max = 19200000,
1846 	.vco_min = 800000000,
1847 	.vco_max = 1866000000,
1848 	.base_reg = PLLM_BASE,
1849 	.misc_reg = PLLM_MISC2,
1850 	.lock_mask = PLL_BASE_LOCK,
1851 	.lock_enable_bit_idx = PLLM_MISC_LOCK_ENABLE,
1852 	.lock_delay = 300,
1853 	.iddq_reg = PLLM_MISC2,
1854 	.iddq_bit_idx = PLLM_IDDQ_BIT,
1855 	.max_p = PLL_QLIN_PDIV_MAX,
1856 	.ext_misc_reg[0] = PLLM_MISC2,
1857 	.ext_misc_reg[1] = PLLM_MISC1,
1858 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1859 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1860 	.div_nmp = &pllm_nmp,
1861 	.pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
1862 	.pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2,
1863 	.freq_table = pll_m_freq_table,
1864 	.flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1865 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1866 };
1867 
1868 static struct tegra_clk_pll_params pll_mb_params = {
1869 	.input_min = 9600000,
1870 	.input_max = 500000000,
1871 	.cf_min = 9600000,
1872 	.cf_max = 19200000,
1873 	.vco_min = 800000000,
1874 	.vco_max = 1866000000,
1875 	.base_reg = PLLMB_BASE,
1876 	.misc_reg = PLLMB_MISC1,
1877 	.lock_mask = PLL_BASE_LOCK,
1878 	.lock_delay = 300,
1879 	.iddq_reg = PLLMB_MISC1,
1880 	.iddq_bit_idx = PLLMB_IDDQ_BIT,
1881 	.max_p = PLL_QLIN_PDIV_MAX,
1882 	.ext_misc_reg[0] = PLLMB_MISC1,
1883 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1884 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1885 	.div_nmp = &pllm_nmp,
1886 	.freq_table = pll_m_freq_table,
1887 	.flags = TEGRA_PLL_USE_LOCK,
1888 	.set_defaults = tegra210_pllmb_set_defaults,
1889 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1890 };
1891 
1892 
1893 static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
1894 	/* PLLE special case: use cpcon field to store cml divider value */
1895 	{ 672000000, 100000000, 125, 42, 0, 13 },
1896 	{ 624000000, 100000000, 125, 39, 0, 13 },
1897 	{ 336000000, 100000000, 125, 21, 0, 13 },
1898 	{ 312000000, 100000000, 200, 26, 0, 14 },
1899 	{  38400000, 100000000, 125,  2, 0, 14 },
1900 	{  12000000, 100000000, 200,  1, 0, 14 },
1901 	{         0,         0,   0,  0, 0,  0 },
1902 };
1903 
1904 static struct div_nmp plle_nmp = {
1905 	.divm_shift = 0,
1906 	.divm_width = 8,
1907 	.divn_shift = 8,
1908 	.divn_width = 8,
1909 	.divp_shift = 24,
1910 	.divp_width = 5,
1911 };
1912 
1913 static struct tegra_clk_pll_params pll_e_params = {
1914 	.input_min = 12000000,
1915 	.input_max = 800000000,
1916 	.cf_min = 12000000,
1917 	.cf_max = 38400000,
1918 	.vco_min = 1600000000,
1919 	.vco_max = 2500000000U,
1920 	.base_reg = PLLE_BASE,
1921 	.misc_reg = PLLE_MISC0,
1922 	.aux_reg = PLLE_AUX,
1923 	.lock_mask = PLLE_MISC_LOCK,
1924 	.lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
1925 	.lock_delay = 300,
1926 	.div_nmp = &plle_nmp,
1927 	.freq_table = pll_e_freq_table,
1928 	.flags = TEGRA_PLL_FIXED | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_USE_LOCK |
1929 		 TEGRA_PLL_HAS_LOCK_ENABLE,
1930 	.fixed_rate = 100000000,
1931 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1932 };
1933 
1934 static struct tegra_clk_pll_freq_table pll_re_vco_freq_table[] = {
1935 	{ 12000000, 672000000, 56, 1, 1, 0 },
1936 	{ 13000000, 672000000, 51, 1, 1, 0 }, /* actual: 663.0 MHz */
1937 	{ 38400000, 672000000, 70, 4, 1, 0 },
1938 	{        0,         0,  0, 0, 0, 0 },
1939 };
1940 
1941 static struct div_nmp pllre_nmp = {
1942 	.divm_shift = 0,
1943 	.divm_width = 8,
1944 	.divn_shift = 8,
1945 	.divn_width = 8,
1946 	.divp_shift = 16,
1947 	.divp_width = 5,
1948 };
1949 
1950 static struct tegra_clk_pll_params pll_re_vco_params = {
1951 	.input_min = 9600000,
1952 	.input_max = 800000000,
1953 	.cf_min = 9600000,
1954 	.cf_max = 19200000,
1955 	.vco_min = 350000000,
1956 	.vco_max = 700000000,
1957 	.base_reg = PLLRE_BASE,
1958 	.misc_reg = PLLRE_MISC0,
1959 	.lock_mask = PLLRE_MISC_LOCK,
1960 	.lock_delay = 300,
1961 	.max_p = PLL_QLIN_PDIV_MAX,
1962 	.ext_misc_reg[0] = PLLRE_MISC0,
1963 	.iddq_reg = PLLRE_MISC0,
1964 	.iddq_bit_idx = PLLRE_IDDQ_BIT,
1965 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1966 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1967 	.div_nmp = &pllre_nmp,
1968 	.freq_table = pll_re_vco_freq_table,
1969 	.flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_VCO_OUT,
1970 	.set_defaults = tegra210_pllre_set_defaults,
1971 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1972 };
1973 
1974 static struct div_nmp pllp_nmp = {
1975 	.divm_shift = 0,
1976 	.divm_width = 8,
1977 	.divn_shift = 10,
1978 	.divn_width = 8,
1979 	.divp_shift = 20,
1980 	.divp_width = 5,
1981 };
1982 
1983 static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
1984 	{ 12000000, 408000000, 34, 1, 1, 0 },
1985 	{ 38400000, 408000000, 85, 8, 1, 0 }, /* cf = 4.8MHz, allowed exception */
1986 	{        0,         0,  0, 0, 0, 0 },
1987 };
1988 
1989 static struct tegra_clk_pll_params pll_p_params = {
1990 	.input_min = 9600000,
1991 	.input_max = 800000000,
1992 	.cf_min = 9600000,
1993 	.cf_max = 19200000,
1994 	.vco_min = 350000000,
1995 	.vco_max = 700000000,
1996 	.base_reg = PLLP_BASE,
1997 	.misc_reg = PLLP_MISC0,
1998 	.lock_mask = PLL_BASE_LOCK,
1999 	.lock_delay = 300,
2000 	.iddq_reg = PLLP_MISC0,
2001 	.iddq_bit_idx = PLLXP_IDDQ_BIT,
2002 	.ext_misc_reg[0] = PLLP_MISC0,
2003 	.ext_misc_reg[1] = PLLP_MISC1,
2004 	.div_nmp = &pllp_nmp,
2005 	.freq_table = pll_p_freq_table,
2006 	.fixed_rate = 408000000,
2007 	.flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
2008 	.set_defaults = tegra210_pllp_set_defaults,
2009 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
2010 };
2011 
2012 static struct tegra_clk_pll_params pll_a1_params = {
2013 	.input_min = 12000000,
2014 	.input_max = 700000000,
2015 	.cf_min = 12000000,
2016 	.cf_max = 50000000,
2017 	.vco_min = 600000000,
2018 	.vco_max = 1200000000,
2019 	.base_reg = PLLA1_BASE,
2020 	.misc_reg = PLLA1_MISC0,
2021 	.lock_mask = PLLCX_BASE_LOCK,
2022 	.lock_delay = 300,
2023 	.iddq_reg = PLLA1_MISC1,
2024 	.iddq_bit_idx = PLLCX_IDDQ_BIT,
2025 	.reset_reg = PLLA1_MISC0,
2026 	.reset_bit_idx = PLLCX_RESET_BIT,
2027 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
2028 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
2029 	.div_nmp = &pllc_nmp,
2030 	.ext_misc_reg[0] = PLLA1_MISC0,
2031 	.ext_misc_reg[1] = PLLA1_MISC1,
2032 	.ext_misc_reg[2] = PLLA1_MISC2,
2033 	.ext_misc_reg[3] = PLLA1_MISC3,
2034 	.freq_table = pll_cx_freq_table,
2035 	.flags = TEGRA_PLL_USE_LOCK,
2036 	.set_defaults = _plla1_set_defaults,
2037 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
2038 };
2039 
2040 static struct div_nmp plla_nmp = {
2041 	.divm_shift = 0,
2042 	.divm_width = 8,
2043 	.divn_shift = 8,
2044 	.divn_width = 8,
2045 	.divp_shift = 20,
2046 	.divp_width = 5,
2047 };
2048 
2049 static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
2050 	{ 12000000, 282240000, 47, 1, 2, 1, 0xf148 }, /* actual: 282240234 */
2051 	{ 12000000, 368640000, 61, 1, 2, 1, 0xfe15 }, /* actual: 368640381 */
2052 	{ 12000000, 240000000, 60, 1, 3, 1,      0 },
2053 	{ 13000000, 282240000, 43, 1, 2, 1, 0xfd7d }, /* actual: 282239807 */
2054 	{ 13000000, 368640000, 56, 1, 2, 1, 0x06d8 }, /* actual: 368640137 */
2055 	{ 13000000, 240000000, 55, 1, 3, 1,      0 }, /* actual: 238.3 MHz */
2056 	{ 38400000, 282240000, 44, 3, 2, 1, 0xf333 }, /* actual: 282239844 */
2057 	{ 38400000, 368640000, 57, 3, 2, 1, 0x0333 }, /* actual: 368639844 */
2058 	{ 38400000, 240000000, 75, 3, 3, 1,      0 },
2059 	{        0,         0,  0, 0, 0, 0,      0 },
2060 };
2061 
2062 static struct tegra_clk_pll_params pll_a_params = {
2063 	.input_min = 12000000,
2064 	.input_max = 800000000,
2065 	.cf_min = 12000000,
2066 	.cf_max = 19200000,
2067 	.vco_min = 500000000,
2068 	.vco_max = 1000000000,
2069 	.base_reg = PLLA_BASE,
2070 	.misc_reg = PLLA_MISC0,
2071 	.lock_mask = PLL_BASE_LOCK,
2072 	.lock_delay = 300,
2073 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
2074 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
2075 	.iddq_reg = PLLA_BASE,
2076 	.iddq_bit_idx = PLLA_IDDQ_BIT,
2077 	.div_nmp = &plla_nmp,
2078 	.sdm_din_reg = PLLA_MISC1,
2079 	.sdm_din_mask = PLLA_SDM_DIN_MASK,
2080 	.sdm_ctrl_reg = PLLA_MISC2,
2081 	.sdm_ctrl_en_mask = PLLA_SDM_EN_MASK,
2082 	.ext_misc_reg[0] = PLLA_MISC0,
2083 	.ext_misc_reg[1] = PLLA_MISC1,
2084 	.ext_misc_reg[2] = PLLA_MISC2,
2085 	.freq_table = pll_a_freq_table,
2086 	.flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW,
2087 	.set_defaults = tegra210_plla_set_defaults,
2088 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
2089 	.set_gain = tegra210_clk_pll_set_gain,
2090 	.adjust_vco = tegra210_clk_adjust_vco_min,
2091 };
2092 
2093 static struct div_nmp plld_nmp = {
2094 	.divm_shift = 0,
2095 	.divm_width = 8,
2096 	.divn_shift = 11,
2097 	.divn_width = 8,
2098 	.divp_shift = 20,
2099 	.divp_width = 3,
2100 };
2101 
2102 static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
2103 	{ 12000000, 594000000, 99, 1, 2, 0,      0 },
2104 	{ 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */
2105 	{ 38400000, 594000000, 30, 1, 2, 0, 0x0e00 },
2106 	{        0,         0,  0, 0, 0, 0,      0 },
2107 };
2108 
2109 static struct tegra_clk_pll_params pll_d_params = {
2110 	.input_min = 12000000,
2111 	.input_max = 800000000,
2112 	.cf_min = 12000000,
2113 	.cf_max = 38400000,
2114 	.vco_min = 750000000,
2115 	.vco_max = 1500000000,
2116 	.base_reg = PLLD_BASE,
2117 	.misc_reg = PLLD_MISC0,
2118 	.lock_mask = PLL_BASE_LOCK,
2119 	.lock_delay = 1000,
2120 	.iddq_reg = PLLD_MISC0,
2121 	.iddq_bit_idx = PLLD_IDDQ_BIT,
2122 	.round_p_to_pdiv = pll_expo_p_to_pdiv,
2123 	.pdiv_tohw = pll_expo_pdiv_to_hw,
2124 	.div_nmp = &plld_nmp,
2125 	.sdm_din_reg = PLLD_MISC0,
2126 	.sdm_din_mask = PLLA_SDM_DIN_MASK,
2127 	.sdm_ctrl_reg = PLLD_MISC0,
2128 	.sdm_ctrl_en_mask = PLLD_SDM_EN_MASK,
2129 	.ext_misc_reg[0] = PLLD_MISC0,
2130 	.ext_misc_reg[1] = PLLD_MISC1,
2131 	.freq_table = pll_d_freq_table,
2132 	.flags = TEGRA_PLL_USE_LOCK,
2133 	.mdiv_default = 1,
2134 	.set_defaults = tegra210_plld_set_defaults,
2135 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
2136 	.set_gain = tegra210_clk_pll_set_gain,
2137 	.adjust_vco = tegra210_clk_adjust_vco_min,
2138 };
2139 
2140 static struct tegra_clk_pll_freq_table tegra210_pll_d2_freq_table[] = {
2141 	{ 12000000, 594000000, 99, 1, 2, 0, 0xf000 },
2142 	{ 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */
2143 	{ 38400000, 594000000, 30, 1, 2, 0, 0x0e00 },
2144 	{        0,         0,  0, 0, 0, 0,      0 },
2145 };
2146 
2147 /* s/w policy, always tegra_pll_ref */
2148 static struct tegra_clk_pll_params pll_d2_params = {
2149 	.input_min = 12000000,
2150 	.input_max = 800000000,
2151 	.cf_min = 12000000,
2152 	.cf_max = 38400000,
2153 	.vco_min = 750000000,
2154 	.vco_max = 1500000000,
2155 	.base_reg = PLLD2_BASE,
2156 	.misc_reg = PLLD2_MISC0,
2157 	.lock_mask = PLL_BASE_LOCK,
2158 	.lock_delay = 300,
2159 	.iddq_reg = PLLD2_BASE,
2160 	.iddq_bit_idx = PLLSS_IDDQ_BIT,
2161 	.sdm_din_reg = PLLD2_MISC3,
2162 	.sdm_din_mask = PLLA_SDM_DIN_MASK,
2163 	.sdm_ctrl_reg = PLLD2_MISC1,
2164 	.sdm_ctrl_en_mask = PLLD2_SDM_EN_MASK,
2165 	/* disable spread-spectrum for pll_d2 */
2166 	.ssc_ctrl_reg = 0,
2167 	.ssc_ctrl_en_mask = 0,
2168 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
2169 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
2170 	.div_nmp = &pllss_nmp,
2171 	.ext_misc_reg[0] = PLLD2_MISC0,
2172 	.ext_misc_reg[1] = PLLD2_MISC1,
2173 	.ext_misc_reg[2] = PLLD2_MISC2,
2174 	.ext_misc_reg[3] = PLLD2_MISC3,
2175 	.max_p = PLL_QLIN_PDIV_MAX,
2176 	.mdiv_default = 1,
2177 	.freq_table = tegra210_pll_d2_freq_table,
2178 	.set_defaults = tegra210_plld2_set_defaults,
2179 	.flags = TEGRA_PLL_USE_LOCK,
2180 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
2181 	.set_gain = tegra210_clk_pll_set_gain,
2182 	.adjust_vco = tegra210_clk_adjust_vco_min,
2183 };
2184 
2185 static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = {
2186 	{ 12000000, 270000000, 90, 1, 4, 0, 0xf000 },
2187 	{ 13000000, 270000000, 83, 1, 4, 0, 0xf000 }, /* actual: 269.8 MHz */
2188 	{ 38400000, 270000000, 28, 1, 4, 0, 0xf400 },
2189 	{        0,         0,  0, 0, 0, 0,      0 },
2190 };
2191 
2192 static struct tegra_clk_pll_params pll_dp_params = {
2193 	.input_min = 12000000,
2194 	.input_max = 800000000,
2195 	.cf_min = 12000000,
2196 	.cf_max = 38400000,
2197 	.vco_min = 750000000,
2198 	.vco_max = 1500000000,
2199 	.base_reg = PLLDP_BASE,
2200 	.misc_reg = PLLDP_MISC,
2201 	.lock_mask = PLL_BASE_LOCK,
2202 	.lock_delay = 300,
2203 	.iddq_reg = PLLDP_BASE,
2204 	.iddq_bit_idx = PLLSS_IDDQ_BIT,
2205 	.sdm_din_reg = PLLDP_SS_CTRL2,
2206 	.sdm_din_mask = PLLA_SDM_DIN_MASK,
2207 	.sdm_ctrl_reg = PLLDP_SS_CFG,
2208 	.sdm_ctrl_en_mask = PLLDP_SDM_EN_MASK,
2209 	.ssc_ctrl_reg = PLLDP_SS_CFG,
2210 	.ssc_ctrl_en_mask = PLLDP_SSC_EN_MASK,
2211 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
2212 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
2213 	.div_nmp = &pllss_nmp,
2214 	.ext_misc_reg[0] = PLLDP_MISC,
2215 	.ext_misc_reg[1] = PLLDP_SS_CFG,
2216 	.ext_misc_reg[2] = PLLDP_SS_CTRL1,
2217 	.ext_misc_reg[3] = PLLDP_SS_CTRL2,
2218 	.max_p = PLL_QLIN_PDIV_MAX,
2219 	.mdiv_default = 1,
2220 	.freq_table = pll_dp_freq_table,
2221 	.set_defaults = tegra210_plldp_set_defaults,
2222 	.flags = TEGRA_PLL_USE_LOCK,
2223 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
2224 	.set_gain = tegra210_clk_pll_set_gain,
2225 	.adjust_vco = tegra210_clk_adjust_vco_min,
2226 };
2227 
2228 static struct div_nmp pllu_nmp = {
2229 	.divm_shift = 0,
2230 	.divm_width = 8,
2231 	.divn_shift = 8,
2232 	.divn_width = 8,
2233 	.divp_shift = 16,
2234 	.divp_width = 5,
2235 };
2236 
2237 static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
2238 	{ 12000000, 480000000, 40, 1, 1, 0 },
2239 	{ 13000000, 480000000, 36, 1, 1, 0 }, /* actual: 468.0 MHz */
2240 	{ 38400000, 480000000, 25, 2, 1, 0 },
2241 	{        0,         0,  0, 0, 0, 0 },
2242 };
2243 
2244 static struct tegra_clk_pll_params pll_u_vco_params = {
2245 	.input_min = 9600000,
2246 	.input_max = 800000000,
2247 	.cf_min = 9600000,
2248 	.cf_max = 19200000,
2249 	.vco_min = 350000000,
2250 	.vco_max = 700000000,
2251 	.base_reg = PLLU_BASE,
2252 	.misc_reg = PLLU_MISC0,
2253 	.lock_mask = PLL_BASE_LOCK,
2254 	.lock_delay = 1000,
2255 	.iddq_reg = PLLU_MISC0,
2256 	.iddq_bit_idx = PLLU_IDDQ_BIT,
2257 	.ext_misc_reg[0] = PLLU_MISC0,
2258 	.ext_misc_reg[1] = PLLU_MISC1,
2259 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
2260 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
2261 	.div_nmp = &pllu_nmp,
2262 	.freq_table = pll_u_freq_table,
2263 	.flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
2264 };
2265 
2266 struct utmi_clk_param {
2267 	/* Oscillator Frequency in KHz */
2268 	u32 osc_frequency;
2269 	/* UTMIP PLL Enable Delay Count  */
2270 	u8 enable_delay_count;
2271 	/* UTMIP PLL Stable count */
2272 	u16 stable_count;
2273 	/*  UTMIP PLL Active delay count */
2274 	u8 active_delay_count;
2275 	/* UTMIP PLL Xtal frequency count */
2276 	u16 xtal_freq_count;
2277 };
2278 
2279 static const struct utmi_clk_param utmi_parameters[] = {
2280 	{
2281 		.osc_frequency = 38400000, .enable_delay_count = 0x0,
2282 		.stable_count = 0x0, .active_delay_count = 0x6,
2283 		.xtal_freq_count = 0x80
2284 	}, {
2285 		.osc_frequency = 13000000, .enable_delay_count = 0x02,
2286 		.stable_count = 0x33, .active_delay_count = 0x05,
2287 		.xtal_freq_count = 0x7f
2288 	}, {
2289 		.osc_frequency = 19200000, .enable_delay_count = 0x03,
2290 		.stable_count = 0x4b, .active_delay_count = 0x06,
2291 		.xtal_freq_count = 0xbb
2292 	}, {
2293 		.osc_frequency = 12000000, .enable_delay_count = 0x02,
2294 		.stable_count = 0x2f, .active_delay_count = 0x08,
2295 		.xtal_freq_count = 0x76
2296 	}, {
2297 		.osc_frequency = 26000000, .enable_delay_count = 0x04,
2298 		.stable_count = 0x66, .active_delay_count = 0x09,
2299 		.xtal_freq_count = 0xfe
2300 	}, {
2301 		.osc_frequency = 16800000, .enable_delay_count = 0x03,
2302 		.stable_count = 0x41, .active_delay_count = 0x0a,
2303 		.xtal_freq_count = 0xa4
2304 	},
2305 };
2306 
2307 static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = {
2308 	[tegra_clk_ispb] = { .dt_id = TEGRA210_CLK_ISPB, .present = true },
2309 	[tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true },
2310 	[tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true },
2311 	[tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true },
2312 	[tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true },
2313 	[tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true },
2314 	[tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true },
2315 	[tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true },
2316 	[tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true },
2317 	[tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true },
2318 	[tegra_clk_isp_9] = { .dt_id = TEGRA210_CLK_ISP, .present = true },
2319 	[tegra_clk_disp2_8] = { .dt_id = TEGRA210_CLK_DISP2, .present = true },
2320 	[tegra_clk_disp1_8] = { .dt_id = TEGRA210_CLK_DISP1, .present = true },
2321 	[tegra_clk_host1x_9] = { .dt_id = TEGRA210_CLK_HOST1X, .present = true },
2322 	[tegra_clk_i2s0] = { .dt_id = TEGRA210_CLK_I2S0, .present = true },
2323 	[tegra_clk_apbdma] = { .dt_id = TEGRA210_CLK_APBDMA, .present = true },
2324 	[tegra_clk_kfuse] = { .dt_id = TEGRA210_CLK_KFUSE, .present = true },
2325 	[tegra_clk_sbc1_9] = { .dt_id = TEGRA210_CLK_SBC1, .present = true },
2326 	[tegra_clk_sbc2_9] = { .dt_id = TEGRA210_CLK_SBC2, .present = true },
2327 	[tegra_clk_sbc3_9] = { .dt_id = TEGRA210_CLK_SBC3, .present = true },
2328 	[tegra_clk_i2c5] = { .dt_id = TEGRA210_CLK_I2C5, .present = true },
2329 	[tegra_clk_csi] = { .dt_id = TEGRA210_CLK_CSI, .present = true },
2330 	[tegra_clk_i2c2] = { .dt_id = TEGRA210_CLK_I2C2, .present = true },
2331 	[tegra_clk_uartc_8] = { .dt_id = TEGRA210_CLK_UARTC, .present = true },
2332 	[tegra_clk_mipi_cal] = { .dt_id = TEGRA210_CLK_MIPI_CAL, .present = true },
2333 	[tegra_clk_usb2] = { .dt_id = TEGRA210_CLK_USB2, .present = true },
2334 	[tegra_clk_bsev] = { .dt_id = TEGRA210_CLK_BSEV, .present = true },
2335 	[tegra_clk_uartd_8] = { .dt_id = TEGRA210_CLK_UARTD, .present = true },
2336 	[tegra_clk_i2c3] = { .dt_id = TEGRA210_CLK_I2C3, .present = true },
2337 	[tegra_clk_sbc4_9] = { .dt_id = TEGRA210_CLK_SBC4, .present = true },
2338 	[tegra_clk_sdmmc3_9] = { .dt_id = TEGRA210_CLK_SDMMC3, .present = true },
2339 	[tegra_clk_pcie] = { .dt_id = TEGRA210_CLK_PCIE, .present = true },
2340 	[tegra_clk_owr_8] = { .dt_id = TEGRA210_CLK_OWR, .present = true },
2341 	[tegra_clk_afi] = { .dt_id = TEGRA210_CLK_AFI, .present = true },
2342 	[tegra_clk_csite_8] = { .dt_id = TEGRA210_CLK_CSITE, .present = true },
2343 	[tegra_clk_soc_therm_8] = { .dt_id = TEGRA210_CLK_SOC_THERM, .present = true },
2344 	[tegra_clk_dtv] = { .dt_id = TEGRA210_CLK_DTV, .present = true },
2345 	[tegra_clk_i2cslow] = { .dt_id = TEGRA210_CLK_I2CSLOW, .present = true },
2346 	[tegra_clk_tsec_8] = { .dt_id = TEGRA210_CLK_TSEC, .present = true },
2347 	[tegra_clk_xusb_host] = { .dt_id = TEGRA210_CLK_XUSB_HOST, .present = true },
2348 	[tegra_clk_csus] = { .dt_id = TEGRA210_CLK_CSUS, .present = true },
2349 	[tegra_clk_mselect] = { .dt_id = TEGRA210_CLK_MSELECT, .present = true },
2350 	[tegra_clk_tsensor] = { .dt_id = TEGRA210_CLK_TSENSOR, .present = true },
2351 	[tegra_clk_i2s3] = { .dt_id = TEGRA210_CLK_I2S3, .present = true },
2352 	[tegra_clk_i2s4] = { .dt_id = TEGRA210_CLK_I2S4, .present = true },
2353 	[tegra_clk_i2c4] = { .dt_id = TEGRA210_CLK_I2C4, .present = true },
2354 	[tegra_clk_d_audio] = { .dt_id = TEGRA210_CLK_D_AUDIO, .present = true },
2355 	[tegra_clk_hda2codec_2x_8] = { .dt_id = TEGRA210_CLK_HDA2CODEC_2X, .present = true },
2356 	[tegra_clk_spdif_2x] = { .dt_id = TEGRA210_CLK_SPDIF_2X, .present = true },
2357 	[tegra_clk_actmon] = { .dt_id = TEGRA210_CLK_ACTMON, .present = true },
2358 	[tegra_clk_extern1] = { .dt_id = TEGRA210_CLK_EXTERN1, .present = true },
2359 	[tegra_clk_extern2] = { .dt_id = TEGRA210_CLK_EXTERN2, .present = true },
2360 	[tegra_clk_extern3] = { .dt_id = TEGRA210_CLK_EXTERN3, .present = true },
2361 	[tegra_clk_sata_oob_8] = { .dt_id = TEGRA210_CLK_SATA_OOB, .present = true },
2362 	[tegra_clk_sata_8] = { .dt_id = TEGRA210_CLK_SATA, .present = true },
2363 	[tegra_clk_hda_8] = { .dt_id = TEGRA210_CLK_HDA, .present = true },
2364 	[tegra_clk_hda2hdmi] = { .dt_id = TEGRA210_CLK_HDA2HDMI, .present = true },
2365 	[tegra_clk_cilab] = { .dt_id = TEGRA210_CLK_CILAB, .present = true },
2366 	[tegra_clk_cilcd] = { .dt_id = TEGRA210_CLK_CILCD, .present = true },
2367 	[tegra_clk_cile] = { .dt_id = TEGRA210_CLK_CILE, .present = true },
2368 	[tegra_clk_dsialp] = { .dt_id = TEGRA210_CLK_DSIALP, .present = true },
2369 	[tegra_clk_dsiblp] = { .dt_id = TEGRA210_CLK_DSIBLP, .present = true },
2370 	[tegra_clk_entropy_8] = { .dt_id = TEGRA210_CLK_ENTROPY, .present = true },
2371 	[tegra_clk_xusb_ss] = { .dt_id = TEGRA210_CLK_XUSB_SS, .present = true },
2372 	[tegra_clk_i2c6] = { .dt_id = TEGRA210_CLK_I2C6, .present = true },
2373 	[tegra_clk_vim2_clk] = { .dt_id = TEGRA210_CLK_VIM2_CLK, .present = true },
2374 	[tegra_clk_clk72Mhz_8] = { .dt_id = TEGRA210_CLK_CLK72MHZ, .present = true },
2375 	[tegra_clk_vic03_8] = { .dt_id = TEGRA210_CLK_VIC03, .present = true },
2376 	[tegra_clk_dpaux] = { .dt_id = TEGRA210_CLK_DPAUX, .present = true },
2377 	[tegra_clk_dpaux1] = { .dt_id = TEGRA210_CLK_DPAUX1, .present = true },
2378 	[tegra_clk_sor0] = { .dt_id = TEGRA210_CLK_SOR0, .present = true },
2379 	[tegra_clk_sor0_out] = { .dt_id = TEGRA210_CLK_SOR0_OUT, .present = true },
2380 	[tegra_clk_sor1] = { .dt_id = TEGRA210_CLK_SOR1, .present = true },
2381 	[tegra_clk_sor1_out] = { .dt_id = TEGRA210_CLK_SOR1_OUT, .present = true },
2382 	[tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true },
2383 	[tegra_clk_pll_g_ref] = { .dt_id = TEGRA210_CLK_PLL_G_REF, .present = true, },
2384 	[tegra_clk_uartb_8] = { .dt_id = TEGRA210_CLK_UARTB, .present = true },
2385 	[tegra_clk_spdif_in_8] = { .dt_id = TEGRA210_CLK_SPDIF_IN, .present = true },
2386 	[tegra_clk_spdif_out] = { .dt_id = TEGRA210_CLK_SPDIF_OUT, .present = true },
2387 	[tegra_clk_vi_10] = { .dt_id = TEGRA210_CLK_VI, .present = true },
2388 	[tegra_clk_vi_sensor_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR, .present = true },
2389 	[tegra_clk_fuse] = { .dt_id = TEGRA210_CLK_FUSE, .present = true },
2390 	[tegra_clk_fuse_burn] = { .dt_id = TEGRA210_CLK_FUSE_BURN, .present = true },
2391 	[tegra_clk_clk_32k] = { .dt_id = TEGRA210_CLK_CLK_32K, .present = true },
2392 	[tegra_clk_clk_m] = { .dt_id = TEGRA210_CLK_CLK_M, .present = true },
2393 	[tegra_clk_osc] = { .dt_id = TEGRA210_CLK_OSC, .present = true },
2394 	[tegra_clk_osc_div2] = { .dt_id = TEGRA210_CLK_OSC_DIV2, .present = true },
2395 	[tegra_clk_osc_div4] = { .dt_id = TEGRA210_CLK_OSC_DIV4, .present = true },
2396 	[tegra_clk_pll_ref] = { .dt_id = TEGRA210_CLK_PLL_REF, .present = true },
2397 	[tegra_clk_pll_c] = { .dt_id = TEGRA210_CLK_PLL_C, .present = true },
2398 	[tegra_clk_pll_c_out1] = { .dt_id = TEGRA210_CLK_PLL_C_OUT1, .present = true },
2399 	[tegra_clk_pll_c2] = { .dt_id = TEGRA210_CLK_PLL_C2, .present = true },
2400 	[tegra_clk_pll_c3] = { .dt_id = TEGRA210_CLK_PLL_C3, .present = true },
2401 	[tegra_clk_pll_m] = { .dt_id = TEGRA210_CLK_PLL_M, .present = true },
2402 	[tegra_clk_pll_p] = { .dt_id = TEGRA210_CLK_PLL_P, .present = true },
2403 	[tegra_clk_pll_p_out1] = { .dt_id = TEGRA210_CLK_PLL_P_OUT1, .present = true },
2404 	[tegra_clk_pll_p_out3] = { .dt_id = TEGRA210_CLK_PLL_P_OUT3, .present = true },
2405 	[tegra_clk_pll_p_out4_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT4, .present = true },
2406 	[tegra_clk_pll_p_out_hsio] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_HSIO, .present = true },
2407 	[tegra_clk_pll_p_out_xusb] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_XUSB, .present = true },
2408 	[tegra_clk_pll_p_out_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_CPU, .present = true },
2409 	[tegra_clk_pll_p_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_ADSP, .present = true },
2410 	[tegra_clk_pll_a] = { .dt_id = TEGRA210_CLK_PLL_A, .present = true },
2411 	[tegra_clk_pll_a_out0] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0, .present = true },
2412 	[tegra_clk_pll_d] = { .dt_id = TEGRA210_CLK_PLL_D, .present = true },
2413 	[tegra_clk_pll_d_out0] = { .dt_id = TEGRA210_CLK_PLL_D_OUT0, .present = true },
2414 	[tegra_clk_pll_d2] = { .dt_id = TEGRA210_CLK_PLL_D2, .present = true },
2415 	[tegra_clk_pll_d2_out0] = { .dt_id = TEGRA210_CLK_PLL_D2_OUT0, .present = true },
2416 	[tegra_clk_pll_u] = { .dt_id = TEGRA210_CLK_PLL_U, .present = true },
2417 	[tegra_clk_pll_u_out] = { .dt_id = TEGRA210_CLK_PLL_U_OUT, .present = true },
2418 	[tegra_clk_pll_u_out1] = { .dt_id = TEGRA210_CLK_PLL_U_OUT1, .present = true },
2419 	[tegra_clk_pll_u_out2] = { .dt_id = TEGRA210_CLK_PLL_U_OUT2, .present = true },
2420 	[tegra_clk_pll_u_480m] = { .dt_id = TEGRA210_CLK_PLL_U_480M, .present = true },
2421 	[tegra_clk_pll_u_60m] = { .dt_id = TEGRA210_CLK_PLL_U_60M, .present = true },
2422 	[tegra_clk_pll_u_48m] = { .dt_id = TEGRA210_CLK_PLL_U_48M, .present = true },
2423 	[tegra_clk_pll_x] = { .dt_id = TEGRA210_CLK_PLL_X, .present = true },
2424 	[tegra_clk_pll_x_out0] = { .dt_id = TEGRA210_CLK_PLL_X_OUT0, .present = true },
2425 	[tegra_clk_pll_re_vco] = { .dt_id = TEGRA210_CLK_PLL_RE_VCO, .present = true },
2426 	[tegra_clk_pll_re_out] = { .dt_id = TEGRA210_CLK_PLL_RE_OUT, .present = true },
2427 	[tegra_clk_spdif_in_sync] = { .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC, .present = true },
2428 	[tegra_clk_i2s0_sync] = { .dt_id = TEGRA210_CLK_I2S0_SYNC, .present = true },
2429 	[tegra_clk_i2s1_sync] = { .dt_id = TEGRA210_CLK_I2S1_SYNC, .present = true },
2430 	[tegra_clk_i2s2_sync] = { .dt_id = TEGRA210_CLK_I2S2_SYNC, .present = true },
2431 	[tegra_clk_i2s3_sync] = { .dt_id = TEGRA210_CLK_I2S3_SYNC, .present = true },
2432 	[tegra_clk_i2s4_sync] = { .dt_id = TEGRA210_CLK_I2S4_SYNC, .present = true },
2433 	[tegra_clk_vimclk_sync] = { .dt_id = TEGRA210_CLK_VIMCLK_SYNC, .present = true },
2434 	[tegra_clk_audio0] = { .dt_id = TEGRA210_CLK_AUDIO0, .present = true },
2435 	[tegra_clk_audio1] = { .dt_id = TEGRA210_CLK_AUDIO1, .present = true },
2436 	[tegra_clk_audio2] = { .dt_id = TEGRA210_CLK_AUDIO2, .present = true },
2437 	[tegra_clk_audio3] = { .dt_id = TEGRA210_CLK_AUDIO3, .present = true },
2438 	[tegra_clk_audio4] = { .dt_id = TEGRA210_CLK_AUDIO4, .present = true },
2439 	[tegra_clk_spdif] = { .dt_id = TEGRA210_CLK_SPDIF, .present = true },
2440 	[tegra_clk_xusb_gate] = { .dt_id = TEGRA210_CLK_XUSB_GATE, .present = true },
2441 	[tegra_clk_xusb_host_src_8] = { .dt_id = TEGRA210_CLK_XUSB_HOST_SRC, .present = true },
2442 	[tegra_clk_xusb_falcon_src_8] = { .dt_id = TEGRA210_CLK_XUSB_FALCON_SRC, .present = true },
2443 	[tegra_clk_xusb_fs_src] = { .dt_id = TEGRA210_CLK_XUSB_FS_SRC, .present = true },
2444 	[tegra_clk_xusb_ss_src_8] = { .dt_id = TEGRA210_CLK_XUSB_SS_SRC, .present = true },
2445 	[tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA210_CLK_XUSB_SS_DIV2, .present = true },
2446 	[tegra_clk_xusb_dev_src_8] = { .dt_id = TEGRA210_CLK_XUSB_DEV_SRC, .present = true },
2447 	[tegra_clk_xusb_dev] = { .dt_id = TEGRA210_CLK_XUSB_DEV, .present = true },
2448 	[tegra_clk_xusb_hs_src_4] = { .dt_id = TEGRA210_CLK_XUSB_HS_SRC, .present = true },
2449 	[tegra_clk_xusb_ssp_src] = { .dt_id = TEGRA210_CLK_XUSB_SSP_SRC, .present = true },
2450 	[tegra_clk_usb2_hsic_trk] = { .dt_id = TEGRA210_CLK_USB2_HSIC_TRK, .present = true },
2451 	[tegra_clk_hsic_trk] = { .dt_id = TEGRA210_CLK_HSIC_TRK, .present = true },
2452 	[tegra_clk_usb2_trk] = { .dt_id = TEGRA210_CLK_USB2_TRK, .present = true },
2453 	[tegra_clk_sclk] = { .dt_id = TEGRA210_CLK_SCLK, .present = true },
2454 	[tegra_clk_sclk_mux] = { .dt_id = TEGRA210_CLK_SCLK_MUX, .present = true },
2455 	[tegra_clk_hclk] = { .dt_id = TEGRA210_CLK_HCLK, .present = true },
2456 	[tegra_clk_pclk] = { .dt_id = TEGRA210_CLK_PCLK, .present = true },
2457 	[tegra_clk_cclk_g] = { .dt_id = TEGRA210_CLK_CCLK_G, .present = true },
2458 	[tegra_clk_cclk_lp] = { .dt_id = TEGRA210_CLK_CCLK_LP, .present = true },
2459 	[tegra_clk_dfll_ref] = { .dt_id = TEGRA210_CLK_DFLL_REF, .present = true },
2460 	[tegra_clk_dfll_soc] = { .dt_id = TEGRA210_CLK_DFLL_SOC, .present = true },
2461 	[tegra_clk_vi_sensor2_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR2, .present = true },
2462 	[tegra_clk_pll_p_out5] = { .dt_id = TEGRA210_CLK_PLL_P_OUT5, .present = true },
2463 	[tegra_clk_pll_c4] = { .dt_id = TEGRA210_CLK_PLL_C4, .present = true },
2464 	[tegra_clk_pll_dp] = { .dt_id = TEGRA210_CLK_PLL_DP, .present = true },
2465 	[tegra_clk_audio0_mux] = { .dt_id = TEGRA210_CLK_AUDIO0_MUX, .present = true },
2466 	[tegra_clk_audio1_mux] = { .dt_id = TEGRA210_CLK_AUDIO1_MUX, .present = true },
2467 	[tegra_clk_audio2_mux] = { .dt_id = TEGRA210_CLK_AUDIO2_MUX, .present = true },
2468 	[tegra_clk_audio3_mux] = { .dt_id = TEGRA210_CLK_AUDIO3_MUX, .present = true },
2469 	[tegra_clk_audio4_mux] = { .dt_id = TEGRA210_CLK_AUDIO4_MUX, .present = true },
2470 	[tegra_clk_spdif_mux] = { .dt_id = TEGRA210_CLK_SPDIF_MUX, .present = true },
2471 	[tegra_clk_maud] = { .dt_id = TEGRA210_CLK_MAUD, .present = true },
2472 	[tegra_clk_mipibif] = { .dt_id = TEGRA210_CLK_MIPIBIF, .present = true },
2473 	[tegra_clk_qspi] = { .dt_id = TEGRA210_CLK_QSPI, .present = true },
2474 	[tegra_clk_sdmmc_legacy] = { .dt_id = TEGRA210_CLK_SDMMC_LEGACY, .present = true },
2475 	[tegra_clk_tsecb] = { .dt_id = TEGRA210_CLK_TSECB, .present = true },
2476 	[tegra_clk_uartape] = { .dt_id = TEGRA210_CLK_UARTAPE, .present = true },
2477 	[tegra_clk_vi_i2c] = { .dt_id = TEGRA210_CLK_VI_I2C, .present = true },
2478 	[tegra_clk_ape] = { .dt_id = TEGRA210_CLK_APE, .present = true },
2479 	[tegra_clk_dbgapb] = { .dt_id = TEGRA210_CLK_DBGAPB, .present = true },
2480 	[tegra_clk_nvdec] = { .dt_id = TEGRA210_CLK_NVDEC, .present = true },
2481 	[tegra_clk_nvenc] = { .dt_id = TEGRA210_CLK_NVENC, .present = true },
2482 	[tegra_clk_nvjpg] = { .dt_id = TEGRA210_CLK_NVJPG, .present = true },
2483 	[tegra_clk_pll_c4_out0] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT0, .present = true },
2484 	[tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true },
2485 	[tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true },
2486 	[tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true },
2487 	[tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true },
2488 	[tegra_clk_pll_a1] = { .dt_id = TEGRA210_CLK_PLL_A1, .present = true },
2489 	[tegra_clk_ispa] = { .dt_id = TEGRA210_CLK_ISPA, .present = true },
2490 	[tegra_clk_cec] = { .dt_id = TEGRA210_CLK_CEC, .present = true },
2491 	[tegra_clk_dmic1] = { .dt_id = TEGRA210_CLK_DMIC1, .present = true },
2492 	[tegra_clk_dmic2] = { .dt_id = TEGRA210_CLK_DMIC2, .present = true },
2493 	[tegra_clk_dmic3] = { .dt_id = TEGRA210_CLK_DMIC3, .present = true },
2494 	[tegra_clk_dmic1_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK, .present = true },
2495 	[tegra_clk_dmic2_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK, .present = true },
2496 	[tegra_clk_dmic3_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK, .present = true },
2497 	[tegra_clk_dmic1_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK_MUX, .present = true },
2498 	[tegra_clk_dmic2_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK_MUX, .present = true },
2499 	[tegra_clk_dmic3_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK_MUX, .present = true },
2500 	[tegra_clk_dp2] = { .dt_id = TEGRA210_CLK_DP2, .present = true },
2501 	[tegra_clk_iqc1] = { .dt_id = TEGRA210_CLK_IQC1, .present = true },
2502 	[tegra_clk_iqc2] = { .dt_id = TEGRA210_CLK_IQC2, .present = true },
2503 	[tegra_clk_pll_a_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT_ADSP, .present = true },
2504 	[tegra_clk_pll_a_out0_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0_OUT_ADSP, .present = true },
2505 	[tegra_clk_adsp] = { .dt_id = TEGRA210_CLK_ADSP, .present = true },
2506 	[tegra_clk_adsp_neon] = { .dt_id = TEGRA210_CLK_ADSP_NEON, .present = true },
2507 };
2508 
2509 static struct tegra_devclk devclks[] __initdata = {
2510 	{ .con_id = "clk_m", .dt_id = TEGRA210_CLK_CLK_M },
2511 	{ .con_id = "pll_ref", .dt_id = TEGRA210_CLK_PLL_REF },
2512 	{ .con_id = "clk_32k", .dt_id = TEGRA210_CLK_CLK_32K },
2513 	{ .con_id = "osc", .dt_id = TEGRA210_CLK_OSC },
2514 	{ .con_id = "osc_div2", .dt_id = TEGRA210_CLK_OSC_DIV2 },
2515 	{ .con_id = "osc_div4", .dt_id = TEGRA210_CLK_OSC_DIV4 },
2516 	{ .con_id = "pll_c", .dt_id = TEGRA210_CLK_PLL_C },
2517 	{ .con_id = "pll_c_out1", .dt_id = TEGRA210_CLK_PLL_C_OUT1 },
2518 	{ .con_id = "pll_c2", .dt_id = TEGRA210_CLK_PLL_C2 },
2519 	{ .con_id = "pll_c3", .dt_id = TEGRA210_CLK_PLL_C3 },
2520 	{ .con_id = "pll_p", .dt_id = TEGRA210_CLK_PLL_P },
2521 	{ .con_id = "pll_p_out1", .dt_id = TEGRA210_CLK_PLL_P_OUT1 },
2522 	{ .con_id = "pll_p_out2", .dt_id = TEGRA210_CLK_PLL_P_OUT2 },
2523 	{ .con_id = "pll_p_out3", .dt_id = TEGRA210_CLK_PLL_P_OUT3 },
2524 	{ .con_id = "pll_p_out4", .dt_id = TEGRA210_CLK_PLL_P_OUT4 },
2525 	{ .con_id = "pll_m", .dt_id = TEGRA210_CLK_PLL_M },
2526 	{ .con_id = "pll_x", .dt_id = TEGRA210_CLK_PLL_X },
2527 	{ .con_id = "pll_x_out0", .dt_id = TEGRA210_CLK_PLL_X_OUT0 },
2528 	{ .con_id = "pll_u", .dt_id = TEGRA210_CLK_PLL_U },
2529 	{ .con_id = "pll_u_out", .dt_id = TEGRA210_CLK_PLL_U_OUT },
2530 	{ .con_id = "pll_u_out1", .dt_id = TEGRA210_CLK_PLL_U_OUT1 },
2531 	{ .con_id = "pll_u_out2", .dt_id = TEGRA210_CLK_PLL_U_OUT2 },
2532 	{ .con_id = "pll_u_480M", .dt_id = TEGRA210_CLK_PLL_U_480M },
2533 	{ .con_id = "pll_u_60M", .dt_id = TEGRA210_CLK_PLL_U_60M },
2534 	{ .con_id = "pll_u_48M", .dt_id = TEGRA210_CLK_PLL_U_48M },
2535 	{ .con_id = "pll_d", .dt_id = TEGRA210_CLK_PLL_D },
2536 	{ .con_id = "pll_d_out0", .dt_id = TEGRA210_CLK_PLL_D_OUT0 },
2537 	{ .con_id = "pll_d2", .dt_id = TEGRA210_CLK_PLL_D2 },
2538 	{ .con_id = "pll_d2_out0", .dt_id = TEGRA210_CLK_PLL_D2_OUT0 },
2539 	{ .con_id = "pll_a", .dt_id = TEGRA210_CLK_PLL_A },
2540 	{ .con_id = "pll_a_out0", .dt_id = TEGRA210_CLK_PLL_A_OUT0 },
2541 	{ .con_id = "pll_re_vco", .dt_id = TEGRA210_CLK_PLL_RE_VCO },
2542 	{ .con_id = "pll_re_out", .dt_id = TEGRA210_CLK_PLL_RE_OUT },
2543 	{ .con_id = "spdif_in_sync", .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC },
2544 	{ .con_id = "i2s0_sync", .dt_id = TEGRA210_CLK_I2S0_SYNC },
2545 	{ .con_id = "i2s1_sync", .dt_id = TEGRA210_CLK_I2S1_SYNC },
2546 	{ .con_id = "i2s2_sync", .dt_id = TEGRA210_CLK_I2S2_SYNC },
2547 	{ .con_id = "i2s3_sync", .dt_id = TEGRA210_CLK_I2S3_SYNC },
2548 	{ .con_id = "i2s4_sync", .dt_id = TEGRA210_CLK_I2S4_SYNC },
2549 	{ .con_id = "vimclk_sync", .dt_id = TEGRA210_CLK_VIMCLK_SYNC },
2550 	{ .con_id = "audio0", .dt_id = TEGRA210_CLK_AUDIO0 },
2551 	{ .con_id = "audio1", .dt_id = TEGRA210_CLK_AUDIO1 },
2552 	{ .con_id = "audio2", .dt_id = TEGRA210_CLK_AUDIO2 },
2553 	{ .con_id = "audio3", .dt_id = TEGRA210_CLK_AUDIO3 },
2554 	{ .con_id = "audio4", .dt_id = TEGRA210_CLK_AUDIO4 },
2555 	{ .con_id = "spdif", .dt_id = TEGRA210_CLK_SPDIF },
2556 	{ .con_id = "spdif_2x", .dt_id = TEGRA210_CLK_SPDIF_2X },
2557 	{ .con_id = "extern1", .dt_id = TEGRA210_CLK_EXTERN1 },
2558 	{ .con_id = "extern2", .dt_id = TEGRA210_CLK_EXTERN2 },
2559 	{ .con_id = "extern3", .dt_id = TEGRA210_CLK_EXTERN3 },
2560 	{ .con_id = "cclk_g", .dt_id = TEGRA210_CLK_CCLK_G },
2561 	{ .con_id = "cclk_lp", .dt_id = TEGRA210_CLK_CCLK_LP },
2562 	{ .con_id = "sclk", .dt_id = TEGRA210_CLK_SCLK },
2563 	{ .con_id = "hclk", .dt_id = TEGRA210_CLK_HCLK },
2564 	{ .con_id = "pclk", .dt_id = TEGRA210_CLK_PCLK },
2565 	{ .con_id = "fuse", .dt_id = TEGRA210_CLK_FUSE },
2566 	{ .dev_id = "rtc-tegra", .dt_id = TEGRA210_CLK_RTC },
2567 	{ .dev_id = "timer", .dt_id = TEGRA210_CLK_TIMER },
2568 	{ .con_id = "pll_c4_out0", .dt_id = TEGRA210_CLK_PLL_C4_OUT0 },
2569 	{ .con_id = "pll_c4_out1", .dt_id = TEGRA210_CLK_PLL_C4_OUT1 },
2570 	{ .con_id = "pll_c4_out2", .dt_id = TEGRA210_CLK_PLL_C4_OUT2 },
2571 	{ .con_id = "pll_c4_out3", .dt_id = TEGRA210_CLK_PLL_C4_OUT3 },
2572 	{ .con_id = "dpaux", .dt_id = TEGRA210_CLK_DPAUX },
2573 };
2574 
2575 static struct tegra_audio_clk_info tegra210_audio_plls[] = {
2576 	{ "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_ref" },
2577 	{ "pll_a1", &pll_a1_params, tegra_clk_pll_a1, "pll_ref" },
2578 };
2579 
2580 static const char * const aclk_parents[] = {
2581 	"pll_a1", "pll_c", "pll_p", "pll_a_out0", "pll_c2", "pll_c3",
2582 	"clk_m"
2583 };
2584 
2585 static const unsigned int nvjpg_slcg_clkids[] = { TEGRA210_CLK_NVDEC };
2586 static const unsigned int nvdec_slcg_clkids[] = { TEGRA210_CLK_NVJPG };
2587 static const unsigned int sor_slcg_clkids[] = { TEGRA210_CLK_HDA2CODEC_2X,
2588 	TEGRA210_CLK_HDA2HDMI, TEGRA210_CLK_DISP1, TEGRA210_CLK_DISP2 };
2589 static const unsigned int disp_slcg_clkids[] = { TEGRA210_CLK_LA,
2590 	TEGRA210_CLK_HOST1X};
2591 static const unsigned int xusba_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST,
2592 	TEGRA210_CLK_XUSB_DEV };
2593 static const unsigned int xusbb_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST,
2594 	TEGRA210_CLK_XUSB_SS };
2595 static const unsigned int xusbc_slcg_clkids[] = { TEGRA210_CLK_XUSB_DEV,
2596 	TEGRA210_CLK_XUSB_SS };
2597 static const unsigned int venc_slcg_clkids[] = { TEGRA210_CLK_HOST1X,
2598 	TEGRA210_CLK_PLL_D };
2599 static const unsigned int ape_slcg_clkids[] = { TEGRA210_CLK_ACLK,
2600 	TEGRA210_CLK_I2S0, TEGRA210_CLK_I2S1, TEGRA210_CLK_I2S2,
2601 	TEGRA210_CLK_I2S3, TEGRA210_CLK_I2S4, TEGRA210_CLK_SPDIF_OUT,
2602 	TEGRA210_CLK_D_AUDIO };
2603 static const unsigned int vic_slcg_clkids[] = { TEGRA210_CLK_HOST1X };
2604 
2605 static struct tegra210_domain_mbist_war tegra210_pg_mbist_war[] = {
2606 	[TEGRA_POWERGATE_VENC] = {
2607 		.handle_lvl2_ovr = tegra210_venc_mbist_war,
2608 		.num_clks = ARRAY_SIZE(venc_slcg_clkids),
2609 		.clk_init_data = venc_slcg_clkids,
2610 	},
2611 	[TEGRA_POWERGATE_SATA] = {
2612 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2613 		.lvl2_offset = LVL2_CLK_GATE_OVRC,
2614 		.lvl2_mask = BIT(0) | BIT(17) | BIT(19),
2615 	},
2616 	[TEGRA_POWERGATE_MPE] = {
2617 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2618 		.lvl2_offset = LVL2_CLK_GATE_OVRE,
2619 		.lvl2_mask = BIT(29),
2620 	},
2621 	[TEGRA_POWERGATE_SOR] = {
2622 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2623 		.num_clks = ARRAY_SIZE(sor_slcg_clkids),
2624 		.clk_init_data = sor_slcg_clkids,
2625 		.lvl2_offset = LVL2_CLK_GATE_OVRA,
2626 		.lvl2_mask = BIT(1) | BIT(2),
2627 	},
2628 	[TEGRA_POWERGATE_DIS] = {
2629 		.handle_lvl2_ovr = tegra210_disp_mbist_war,
2630 		.num_clks = ARRAY_SIZE(disp_slcg_clkids),
2631 		.clk_init_data = disp_slcg_clkids,
2632 	},
2633 	[TEGRA_POWERGATE_DISB] = {
2634 		.num_clks = ARRAY_SIZE(disp_slcg_clkids),
2635 		.clk_init_data = disp_slcg_clkids,
2636 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2637 		.lvl2_offset = LVL2_CLK_GATE_OVRA,
2638 		.lvl2_mask = BIT(2),
2639 	},
2640 	[TEGRA_POWERGATE_XUSBA] = {
2641 		.num_clks = ARRAY_SIZE(xusba_slcg_clkids),
2642 		.clk_init_data = xusba_slcg_clkids,
2643 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2644 		.lvl2_offset = LVL2_CLK_GATE_OVRC,
2645 		.lvl2_mask = BIT(30) | BIT(31),
2646 	},
2647 	[TEGRA_POWERGATE_XUSBB] = {
2648 		.num_clks = ARRAY_SIZE(xusbb_slcg_clkids),
2649 		.clk_init_data = xusbb_slcg_clkids,
2650 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2651 		.lvl2_offset = LVL2_CLK_GATE_OVRC,
2652 		.lvl2_mask = BIT(30) | BIT(31),
2653 	},
2654 	[TEGRA_POWERGATE_XUSBC] = {
2655 		.num_clks = ARRAY_SIZE(xusbc_slcg_clkids),
2656 		.clk_init_data = xusbc_slcg_clkids,
2657 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2658 		.lvl2_offset = LVL2_CLK_GATE_OVRC,
2659 		.lvl2_mask = BIT(30) | BIT(31),
2660 	},
2661 	[TEGRA_POWERGATE_VIC] = {
2662 		.num_clks = ARRAY_SIZE(vic_slcg_clkids),
2663 		.clk_init_data = vic_slcg_clkids,
2664 		.handle_lvl2_ovr = tegra210_vic_mbist_war,
2665 	},
2666 	[TEGRA_POWERGATE_NVDEC] = {
2667 		.num_clks = ARRAY_SIZE(nvdec_slcg_clkids),
2668 		.clk_init_data = nvdec_slcg_clkids,
2669 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2670 		.lvl2_offset = LVL2_CLK_GATE_OVRE,
2671 		.lvl2_mask = BIT(9) | BIT(31),
2672 	},
2673 	[TEGRA_POWERGATE_NVJPG] = {
2674 		.num_clks = ARRAY_SIZE(nvjpg_slcg_clkids),
2675 		.clk_init_data = nvjpg_slcg_clkids,
2676 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2677 		.lvl2_offset = LVL2_CLK_GATE_OVRE,
2678 		.lvl2_mask = BIT(9) | BIT(31),
2679 	},
2680 	[TEGRA_POWERGATE_AUD] = {
2681 		.num_clks = ARRAY_SIZE(ape_slcg_clkids),
2682 		.clk_init_data = ape_slcg_clkids,
2683 		.handle_lvl2_ovr = tegra210_ape_mbist_war,
2684 	},
2685 	[TEGRA_POWERGATE_VE2] = {
2686 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2687 		.lvl2_offset = LVL2_CLK_GATE_OVRD,
2688 		.lvl2_mask = BIT(22),
2689 	},
2690 };
2691 
tegra210_clk_handle_mbist_war(unsigned int id)2692 int tegra210_clk_handle_mbist_war(unsigned int id)
2693 {
2694 	int err;
2695 	struct tegra210_domain_mbist_war *mbist_war;
2696 
2697 	if (id >= ARRAY_SIZE(tegra210_pg_mbist_war)) {
2698 		WARN(1, "unknown domain id in MBIST WAR handler\n");
2699 		return -EINVAL;
2700 	}
2701 
2702 	mbist_war = &tegra210_pg_mbist_war[id];
2703 	if (!mbist_war->handle_lvl2_ovr)
2704 		return 0;
2705 
2706 	if (mbist_war->num_clks && !mbist_war->clks)
2707 		return -ENODEV;
2708 
2709 	err = clk_bulk_prepare_enable(mbist_war->num_clks, mbist_war->clks);
2710 	if (err < 0)
2711 		return err;
2712 
2713 	mutex_lock(&lvl2_ovr_lock);
2714 
2715 	mbist_war->handle_lvl2_ovr(mbist_war);
2716 
2717 	mutex_unlock(&lvl2_ovr_lock);
2718 
2719 	clk_bulk_disable_unprepare(mbist_war->num_clks, mbist_war->clks);
2720 
2721 	return 0;
2722 }
2723 
tegra210_put_utmipll_in_iddq(void)2724 void tegra210_put_utmipll_in_iddq(void)
2725 {
2726 	u32 reg;
2727 
2728 	reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2729 
2730 	if (reg & UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK) {
2731 		pr_err("trying to assert IDDQ while UTMIPLL is locked\n");
2732 		return;
2733 	}
2734 
2735 	reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2736 	writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2737 }
2738 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_in_iddq);
2739 
tegra210_put_utmipll_out_iddq(void)2740 void tegra210_put_utmipll_out_iddq(void)
2741 {
2742 	u32 reg;
2743 
2744 	reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2745 	reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2746 	writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2747 }
2748 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_out_iddq);
2749 
tegra210_utmi_param_configure(void)2750 static void tegra210_utmi_param_configure(void)
2751 {
2752 	u32 reg;
2753 	int i;
2754 
2755 	for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
2756 		if (osc_freq == utmi_parameters[i].osc_frequency)
2757 			break;
2758 	}
2759 
2760 	if (i >= ARRAY_SIZE(utmi_parameters)) {
2761 		pr_err("%s: Unexpected oscillator freq %lu\n", __func__,
2762 			osc_freq);
2763 		return;
2764 	}
2765 
2766 	reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2767 	reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2768 	writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2769 
2770 	udelay(10);
2771 
2772 	reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2773 
2774 	/* Program UTMIP PLL stable and active counts */
2775 	/* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */
2776 	reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
2777 	reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count);
2778 
2779 	reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
2780 	reg |=
2781 	UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count);
2782 	writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2783 
2784 	/* Program UTMIP PLL delay and oscillator frequency counts */
2785 	reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2786 
2787 	reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
2788 	reg |=
2789 	UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count);
2790 
2791 	reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
2792 	reg |=
2793 	UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].xtal_freq_count);
2794 
2795 	reg |= UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
2796 	writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2797 
2798 	/* Remove power downs from UTMIP PLL control bits */
2799 	reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2800 	reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2801 	reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2802 	writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2803 
2804 	udelay(20);
2805 
2806 	/* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */
2807 	reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2808 	reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP;
2809 	reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP;
2810 	reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP;
2811 	reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
2812 	reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
2813 	reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN;
2814 	writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2815 
2816 	/* Setup HW control of UTMIPLL */
2817 	reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2818 	reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2819 	reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2820 	writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2821 
2822 	reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2823 	reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET;
2824 	reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL;
2825 	writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2826 
2827 	udelay(1);
2828 
2829 	reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
2830 	reg &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY;
2831 	writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
2832 
2833 	udelay(1);
2834 
2835 	/* Enable HW control UTMIPLL */
2836 	reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2837 	reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE;
2838 	writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2839 }
2840 
tegra210_enable_pllu(void)2841 static int tegra210_enable_pllu(void)
2842 {
2843 	struct tegra_clk_pll_freq_table *fentry;
2844 	struct tegra_clk_pll pllu;
2845 	u32 reg;
2846 	int ret;
2847 
2848 	for (fentry = pll_u_freq_table; fentry->input_rate; fentry++) {
2849 		if (fentry->input_rate == pll_ref_freq)
2850 			break;
2851 	}
2852 
2853 	if (!fentry->input_rate) {
2854 		pr_err("Unknown PLL_U reference frequency %lu\n", pll_ref_freq);
2855 		return -EINVAL;
2856 	}
2857 
2858 	/* clear IDDQ bit */
2859 	pllu.params = &pll_u_vco_params;
2860 	reg = readl_relaxed(clk_base + pllu.params->ext_misc_reg[0]);
2861 	reg &= ~BIT(pllu.params->iddq_bit_idx);
2862 	writel_relaxed(reg, clk_base + pllu.params->ext_misc_reg[0]);
2863 	fence_udelay(5, clk_base);
2864 
2865 	reg = readl_relaxed(clk_base + PLLU_BASE);
2866 	reg &= ~GENMASK(20, 0);
2867 	reg |= fentry->m;
2868 	reg |= fentry->n << 8;
2869 	reg |= fentry->p << 16;
2870 	writel(reg, clk_base + PLLU_BASE);
2871 	fence_udelay(1, clk_base);
2872 	reg |= PLL_ENABLE;
2873 	writel(reg, clk_base + PLLU_BASE);
2874 
2875 	/*
2876 	 * During clocks resume, same PLLU init and enable sequence get
2877 	 * executed. So, readx_poll_timeout_atomic can't be used here as it
2878 	 * uses ktime_get() and timekeeping resume doesn't happen by that
2879 	 * time. So, using tegra210_wait_for_mask for PLL LOCK.
2880 	 */
2881 	ret = tegra210_wait_for_mask(&pllu, PLLU_BASE, PLL_BASE_LOCK);
2882 	if (ret) {
2883 		pr_err("Timed out waiting for PLL_U to lock\n");
2884 		return -ETIMEDOUT;
2885 	}
2886 
2887 	return 0;
2888 }
2889 
tegra210_init_pllu(void)2890 static int tegra210_init_pllu(void)
2891 {
2892 	u32 reg;
2893 	int err;
2894 
2895 	tegra210_pllu_set_defaults(&pll_u_vco_params);
2896 	/* skip initialization when pllu is in hw controlled mode */
2897 	reg = readl_relaxed(clk_base + PLLU_BASE);
2898 	if (reg & PLLU_BASE_OVERRIDE) {
2899 		if (!(reg & PLL_ENABLE)) {
2900 			err = tegra210_enable_pllu();
2901 			if (err < 0) {
2902 				WARN_ON(1);
2903 				return err;
2904 			}
2905 		}
2906 		/* enable hw controlled mode */
2907 		reg = readl_relaxed(clk_base + PLLU_BASE);
2908 		reg &= ~PLLU_BASE_OVERRIDE;
2909 		writel(reg, clk_base + PLLU_BASE);
2910 
2911 		reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2912 		reg |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE |
2913 		       PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT |
2914 		       PLLU_HW_PWRDN_CFG0_USE_LOCKDET;
2915 		reg &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL |
2916 			PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL);
2917 		writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2918 
2919 		reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
2920 		reg &= ~XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK;
2921 		writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
2922 		fence_udelay(1, clk_base);
2923 
2924 		reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2925 		reg |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE;
2926 		writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2927 		fence_udelay(1, clk_base);
2928 
2929 		reg = readl_relaxed(clk_base + PLLU_BASE);
2930 		reg &= ~PLLU_BASE_CLKENABLE_USB;
2931 		writel_relaxed(reg, clk_base + PLLU_BASE);
2932 	}
2933 
2934 	/* enable UTMIPLL hw control if not yet done by the bootloader */
2935 	reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2936 	if (!(reg & UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE))
2937 		tegra210_utmi_param_configure();
2938 
2939 	return 0;
2940 }
2941 
2942 /*
2943  * The SOR hardware blocks are driven by two clocks: a module clock that is
2944  * used to access registers and a pixel clock that is sourced from the same
2945  * pixel clock that also drives the head attached to the SOR. The module
2946  * clock is typically called sorX (with X being the SOR instance) and the
2947  * pixel clock is called sorX_out. The source for the SOR pixel clock is
2948  * referred to as the "parent" clock.
2949  *
2950  * On Tegra186 and newer, clocks are provided by the BPMP. Unfortunately the
2951  * BPMP implementation for the SOR clocks doesn't exactly match the above in
2952  * some aspects. For example, the SOR module is really clocked by the pad or
2953  * sor_safe clocks, but BPMP models the sorX clock as being sourced by the
2954  * pixel clocks. Conversely the sorX_out clock is sourced by the sor_safe or
2955  * pad clocks on BPMP.
2956  *
2957  * In order to allow the display driver to deal with all SoC generations in
2958  * a unified way, implement the BPMP semantics in this driver.
2959  */
2960 
2961 static const char * const sor0_parents[] = {
2962 	"pll_d_out0",
2963 };
2964 
2965 static const char * const sor0_out_parents[] = {
2966 	"sor_safe", "sor0_pad_clkout",
2967 };
2968 
2969 static const char * const sor1_parents[] = {
2970 	"pll_p", "pll_d_out0", "pll_d2_out0", "clk_m",
2971 };
2972 
2973 static u32 sor1_parents_idx[] = { 0, 2, 5, 6 };
2974 
2975 static const struct clk_div_table mc_div_table_tegra210[] = {
2976 	{ .val = 0, .div = 2 },
2977 	{ .val = 1, .div = 4 },
2978 	{ .val = 2, .div = 1 },
2979 	{ .val = 3, .div = 2 },
2980 	{ .val = 0, .div = 0 },
2981 };
2982 
tegra210_clk_register_mc(const char * name,const char * parent_name)2983 static void tegra210_clk_register_mc(const char *name,
2984 				     const char *parent_name)
2985 {
2986 	struct clk *clk;
2987 
2988 	clk = clk_register_divider_table(NULL, name, parent_name,
2989 					 CLK_IS_CRITICAL,
2990 					 clk_base + CLK_SOURCE_EMC,
2991 					 15, 2, CLK_DIVIDER_READ_ONLY,
2992 					 mc_div_table_tegra210, &emc_lock);
2993 	clks[TEGRA210_CLK_MC] = clk;
2994 }
2995 
2996 static const char * const sor1_out_parents[] = {
2997 	/*
2998 	 * Bit 0 of the mux selects sor1_pad_clkout, irrespective of bit 1, so
2999 	 * the sor1_pad_clkout parent appears twice in the list below. This is
3000 	 * merely to support clk_get_parent() if firmware happened to set
3001 	 * these bits to 0b11. While not an invalid setting, code should
3002 	 * always set the bits to 0b01 to select sor1_pad_clkout.
3003 	 */
3004 	"sor_safe", "sor1_pad_clkout", "sor1_out", "sor1_pad_clkout",
3005 };
3006 
3007 static struct tegra_periph_init_data tegra210_periph[] = {
3008 	/*
3009 	 * On Tegra210, the sor0 clock doesn't have a mux it bitfield 31:29,
3010 	 * but it is hardwired to the pll_d_out0 clock.
3011 	 */
3012 	TEGRA_INIT_DATA_TABLE("sor0", NULL, NULL, sor0_parents,
3013 			      CLK_SOURCE_SOR0, 29, 0x0, 0, 0, 0, 0,
3014 			      0, 182, 0, tegra_clk_sor0, NULL, 0,
3015 			      &sor0_lock),
3016 	TEGRA_INIT_DATA_TABLE("sor0_out", NULL, NULL, sor0_out_parents,
3017 			      CLK_SOURCE_SOR0, 14, 0x1, 0, 0, 0, 0,
3018 			      0, 0, TEGRA_PERIPH_NO_GATE, tegra_clk_sor0_out,
3019 			      NULL, 0, &sor0_lock),
3020 	TEGRA_INIT_DATA_TABLE("sor1", NULL, NULL, sor1_parents,
3021 			      CLK_SOURCE_SOR1, 29, 0x7, 0, 0, 8, 1,
3022 			      TEGRA_DIVIDER_ROUND_UP, 183, 0,
3023 			      tegra_clk_sor1, sor1_parents_idx, 0,
3024 			      &sor1_lock),
3025 	TEGRA_INIT_DATA_TABLE("sor1_out", NULL, NULL, sor1_out_parents,
3026 			      CLK_SOURCE_SOR1, 14, 0x3, 0, 0, 0, 0,
3027 			      0, 0, TEGRA_PERIPH_NO_GATE,
3028 			      tegra_clk_sor1_out, NULL, 0, &sor1_lock),
3029 };
3030 
3031 static const char * const la_parents[] = {
3032 	"pll_p", "pll_c2", "pll_c", "pll_c3", "pll_re_out1", "pll_a1", "clk_m", "pll_c4_out0"
3033 };
3034 
3035 static struct tegra_clk_periph tegra210_la =
3036 	TEGRA_CLK_PERIPH(29, 7, 9, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, 76, 0, NULL, NULL);
3037 
tegra210_periph_clk_init(struct device_node * np,void __iomem * clk_base,void __iomem * pmc_base)3038 static __init void tegra210_periph_clk_init(struct device_node *np,
3039 					    void __iomem *clk_base,
3040 					    void __iomem *pmc_base)
3041 {
3042 	struct clk *clk;
3043 	unsigned int i;
3044 
3045 	/* xusb_ss_div2 */
3046 	clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0,
3047 					1, 2);
3048 	clks[TEGRA210_CLK_XUSB_SS_DIV2] = clk;
3049 
3050 	clk = tegra_clk_register_periph_fixed("sor_safe", "pll_p", 0, clk_base,
3051 					      1, 17, 222);
3052 	clks[TEGRA210_CLK_SOR_SAFE] = clk;
3053 
3054 	clk = tegra_clk_register_periph_fixed("dpaux", "sor_safe", 0, clk_base,
3055 					      1, 17, 181);
3056 	clks[TEGRA210_CLK_DPAUX] = clk;
3057 
3058 	clk = tegra_clk_register_periph_fixed("dpaux1", "sor_safe", 0, clk_base,
3059 					      1, 17, 207);
3060 	clks[TEGRA210_CLK_DPAUX1] = clk;
3061 
3062 	/* pll_d_dsi_out */
3063 	clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0,
3064 				clk_base + PLLD_MISC0, 21, 0, &pll_d_lock);
3065 	clks[TEGRA210_CLK_PLL_D_DSI_OUT] = clk;
3066 
3067 	/* dsia */
3068 	clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0,
3069 					     clk_base, 0, 48,
3070 					     periph_clk_enb_refcnt);
3071 	clks[TEGRA210_CLK_DSIA] = clk;
3072 
3073 	/* dsib */
3074 	clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0,
3075 					     clk_base, 0, 82,
3076 					     periph_clk_enb_refcnt);
3077 	clks[TEGRA210_CLK_DSIB] = clk;
3078 
3079 	/* csi_tpg */
3080 	clk = clk_register_gate(NULL, "csi_tpg", "pll_d",
3081 				CLK_SET_RATE_PARENT, clk_base + PLLD_BASE,
3082 				23, 0, &pll_d_lock);
3083 	clk_register_clkdev(clk, "csi_tpg", NULL);
3084 	clks[TEGRA210_CLK_CSI_TPG] = clk;
3085 
3086 	/* la */
3087 	clk = tegra_clk_register_periph("la", la_parents,
3088 			ARRAY_SIZE(la_parents), &tegra210_la, clk_base,
3089 			CLK_SOURCE_LA, 0);
3090 	clks[TEGRA210_CLK_LA] = clk;
3091 
3092 	/* cml0 */
3093 	clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX,
3094 				0, 0, &pll_e_lock);
3095 	clk_register_clkdev(clk, "cml0", NULL);
3096 	clks[TEGRA210_CLK_CML0] = clk;
3097 
3098 	/* cml1 */
3099 	clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX,
3100 				1, 0, &pll_e_lock);
3101 	clk_register_clkdev(clk, "cml1", NULL);
3102 	clks[TEGRA210_CLK_CML1] = clk;
3103 
3104 	clk = tegra_clk_register_super_clk("aclk", aclk_parents,
3105 				ARRAY_SIZE(aclk_parents), 0, clk_base + 0x6e0,
3106 				0, NULL);
3107 	clks[TEGRA210_CLK_ACLK] = clk;
3108 
3109 	clk = tegra_clk_register_sdmmc_mux_div("sdmmc2", clk_base,
3110 					    CLK_SOURCE_SDMMC2, 9,
3111 					    TEGRA_DIVIDER_ROUND_UP, 0, NULL);
3112 	clks[TEGRA210_CLK_SDMMC2] = clk;
3113 
3114 	clk = tegra_clk_register_sdmmc_mux_div("sdmmc4", clk_base,
3115 					    CLK_SOURCE_SDMMC4, 15,
3116 					    TEGRA_DIVIDER_ROUND_UP, 0, NULL);
3117 	clks[TEGRA210_CLK_SDMMC4] = clk;
3118 
3119 	for (i = 0; i < ARRAY_SIZE(tegra210_periph); i++) {
3120 		struct tegra_periph_init_data *init = &tegra210_periph[i];
3121 		struct clk **clkp;
3122 
3123 		clkp = tegra_lookup_dt_id(init->clk_id, tegra210_clks);
3124 		if (!clkp) {
3125 			pr_warn("clock %u not found\n", init->clk_id);
3126 			continue;
3127 		}
3128 
3129 		clk = tegra_clk_register_periph_data(clk_base, init);
3130 		*clkp = clk;
3131 	}
3132 
3133 	tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params);
3134 
3135 	/* emc */
3136 	clk = tegra210_clk_register_emc(np, clk_base);
3137 	clks[TEGRA210_CLK_EMC] = clk;
3138 
3139 	/* mc */
3140 	tegra210_clk_register_mc("mc", "emc");
3141 }
3142 
tegra210_pll_init(void __iomem * clk_base,void __iomem * pmc)3143 static void __init tegra210_pll_init(void __iomem *clk_base,
3144 				     void __iomem *pmc)
3145 {
3146 	struct clk *clk;
3147 
3148 	/* PLLC */
3149 	clk = tegra_clk_register_pllc_tegra210("pll_c", "pll_ref", clk_base,
3150 			pmc, 0, &pll_c_params, NULL);
3151 	if (!WARN_ON(IS_ERR(clk)))
3152 		clk_register_clkdev(clk, "pll_c", NULL);
3153 	clks[TEGRA210_CLK_PLL_C] = clk;
3154 
3155 	/* PLLC_OUT1 */
3156 	clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
3157 			clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
3158 			8, 8, 1, NULL);
3159 	clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
3160 				clk_base + PLLC_OUT, 1, 0,
3161 				CLK_SET_RATE_PARENT, 0, NULL);
3162 	clk_register_clkdev(clk, "pll_c_out1", NULL);
3163 	clks[TEGRA210_CLK_PLL_C_OUT1] = clk;
3164 
3165 	/* PLLC_UD */
3166 	clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c",
3167 					CLK_SET_RATE_PARENT, 1, 1);
3168 	clk_register_clkdev(clk, "pll_c_ud", NULL);
3169 	clks[TEGRA210_CLK_PLL_C_UD] = clk;
3170 
3171 	/* PLLC2 */
3172 	clk = tegra_clk_register_pllc_tegra210("pll_c2", "pll_ref", clk_base,
3173 			     pmc, 0, &pll_c2_params, NULL);
3174 	clk_register_clkdev(clk, "pll_c2", NULL);
3175 	clks[TEGRA210_CLK_PLL_C2] = clk;
3176 
3177 	/* PLLC3 */
3178 	clk = tegra_clk_register_pllc_tegra210("pll_c3", "pll_ref", clk_base,
3179 			     pmc, 0, &pll_c3_params, NULL);
3180 	clk_register_clkdev(clk, "pll_c3", NULL);
3181 	clks[TEGRA210_CLK_PLL_C3] = clk;
3182 
3183 	/* PLLM */
3184 	clk = tegra_clk_register_pllm("pll_m", "osc", clk_base, pmc,
3185 			     CLK_SET_RATE_GATE, &pll_m_params, NULL);
3186 	clk_register_clkdev(clk, "pll_m", NULL);
3187 	clks[TEGRA210_CLK_PLL_M] = clk;
3188 
3189 	/* PLLMB */
3190 	clk = tegra_clk_register_pllmb("pll_mb", "osc", clk_base, pmc,
3191 			     CLK_SET_RATE_GATE, &pll_mb_params, NULL);
3192 	clk_register_clkdev(clk, "pll_mb", NULL);
3193 	clks[TEGRA210_CLK_PLL_MB] = clk;
3194 
3195 	/* PLLM_UD */
3196 	clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m",
3197 					CLK_SET_RATE_PARENT, 1, 1);
3198 	clk_register_clkdev(clk, "pll_m_ud", NULL);
3199 	clks[TEGRA210_CLK_PLL_M_UD] = clk;
3200 
3201 	/* PLLMB_UD */
3202 	clk = clk_register_fixed_factor(NULL, "pll_mb_ud", "pll_mb",
3203 					CLK_SET_RATE_PARENT, 1, 1);
3204 	clk_register_clkdev(clk, "pll_mb_ud", NULL);
3205 	clks[TEGRA210_CLK_PLL_MB_UD] = clk;
3206 
3207 	/* PLLP_UD */
3208 	clk = clk_register_fixed_factor(NULL, "pll_p_ud", "pll_p",
3209 					0, 1, 1);
3210 	clks[TEGRA210_CLK_PLL_P_UD] = clk;
3211 
3212 	/* PLLU_VCO */
3213 	if (!tegra210_init_pllu()) {
3214 		clk = clk_register_fixed_rate(NULL, "pll_u_vco", "pll_ref", 0,
3215 					      480*1000*1000);
3216 		clk_register_clkdev(clk, "pll_u_vco", NULL);
3217 		clks[TEGRA210_CLK_PLL_U] = clk;
3218 	}
3219 
3220 	/* PLLU_OUT */
3221 	clk = clk_register_divider_table(NULL, "pll_u_out", "pll_u_vco", 0,
3222 					 clk_base + PLLU_BASE, 16, 4, 0,
3223 					 pll_vco_post_div_table, NULL);
3224 	clk_register_clkdev(clk, "pll_u_out", NULL);
3225 	clks[TEGRA210_CLK_PLL_U_OUT] = clk;
3226 
3227 	/* PLLU_OUT1 */
3228 	clk = tegra_clk_register_divider("pll_u_out1_div", "pll_u_out",
3229 				clk_base + PLLU_OUTA, 0,
3230 				TEGRA_DIVIDER_ROUND_UP,
3231 				8, 8, 1, &pll_u_lock);
3232 	clk = tegra_clk_register_pll_out("pll_u_out1", "pll_u_out1_div",
3233 				clk_base + PLLU_OUTA, 1, 0,
3234 				CLK_SET_RATE_PARENT, 0, &pll_u_lock);
3235 	clk_register_clkdev(clk, "pll_u_out1", NULL);
3236 	clks[TEGRA210_CLK_PLL_U_OUT1] = clk;
3237 
3238 	/* PLLU_OUT2 */
3239 	clk = tegra_clk_register_divider("pll_u_out2_div", "pll_u_out",
3240 				clk_base + PLLU_OUTA, 0,
3241 				TEGRA_DIVIDER_ROUND_UP,
3242 				24, 8, 1, &pll_u_lock);
3243 	clk = tegra_clk_register_pll_out("pll_u_out2", "pll_u_out2_div",
3244 				clk_base + PLLU_OUTA, 17, 16,
3245 				CLK_SET_RATE_PARENT, 0, &pll_u_lock);
3246 	clk_register_clkdev(clk, "pll_u_out2", NULL);
3247 	clks[TEGRA210_CLK_PLL_U_OUT2] = clk;
3248 
3249 	/* PLLU_480M */
3250 	clk = clk_register_gate(NULL, "pll_u_480M", "pll_u_vco",
3251 				CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
3252 				22, 0, &pll_u_lock);
3253 	clk_register_clkdev(clk, "pll_u_480M", NULL);
3254 	clks[TEGRA210_CLK_PLL_U_480M] = clk;
3255 
3256 	/* PLLU_60M */
3257 	clk = clk_register_gate(NULL, "pll_u_60M", "pll_u_out2",
3258 				CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
3259 				23, 0, &pll_u_lock);
3260 	clk_register_clkdev(clk, "pll_u_60M", NULL);
3261 	clks[TEGRA210_CLK_PLL_U_60M] = clk;
3262 
3263 	/* PLLU_48M */
3264 	clk = clk_register_gate(NULL, "pll_u_48M", "pll_u_out1",
3265 				CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
3266 				25, 0, &pll_u_lock);
3267 	clk_register_clkdev(clk, "pll_u_48M", NULL);
3268 	clks[TEGRA210_CLK_PLL_U_48M] = clk;
3269 
3270 	/* PLLD */
3271 	clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0,
3272 			    &pll_d_params, &pll_d_lock);
3273 	clk_register_clkdev(clk, "pll_d", NULL);
3274 	clks[TEGRA210_CLK_PLL_D] = clk;
3275 
3276 	/* PLLD_OUT0 */
3277 	clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
3278 					CLK_SET_RATE_PARENT, 1, 2);
3279 	clk_register_clkdev(clk, "pll_d_out0", NULL);
3280 	clks[TEGRA210_CLK_PLL_D_OUT0] = clk;
3281 
3282 	/* PLLRE */
3283 	clk = tegra_clk_register_pllre_tegra210("pll_re_vco", "pll_ref",
3284 						clk_base, pmc, 0,
3285 						&pll_re_vco_params,
3286 						&pll_re_lock, pll_ref_freq);
3287 	clk_register_clkdev(clk, "pll_re_vco", NULL);
3288 	clks[TEGRA210_CLK_PLL_RE_VCO] = clk;
3289 
3290 	clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0,
3291 					 clk_base + PLLRE_BASE, 16, 5, 0,
3292 					 pll_vco_post_div_table, &pll_re_lock);
3293 	clk_register_clkdev(clk, "pll_re_out", NULL);
3294 	clks[TEGRA210_CLK_PLL_RE_OUT] = clk;
3295 
3296 	clk = tegra_clk_register_divider("pll_re_out1_div", "pll_re_vco",
3297 					 clk_base + PLLRE_OUT1, 0,
3298 					 TEGRA_DIVIDER_ROUND_UP,
3299 					 8, 8, 1, NULL);
3300 	clk = tegra_clk_register_pll_out("pll_re_out1", "pll_re_out1_div",
3301 					 clk_base + PLLRE_OUT1, 1, 0,
3302 					 CLK_SET_RATE_PARENT, 0, NULL);
3303 	clks[TEGRA210_CLK_PLL_RE_OUT1] = clk;
3304 
3305 	/* PLLE */
3306 	clk = tegra_clk_register_plle_tegra210("pll_e", "pll_ref",
3307 				      clk_base, 0, &pll_e_params, NULL);
3308 	clk_register_clkdev(clk, "pll_e", NULL);
3309 	clks[TEGRA210_CLK_PLL_E] = clk;
3310 
3311 	/* PLLC4 */
3312 	clk = tegra_clk_register_pllre("pll_c4_vco", "pll_ref", clk_base, pmc,
3313 			     0, &pll_c4_vco_params, NULL, pll_ref_freq);
3314 	clk_register_clkdev(clk, "pll_c4_vco", NULL);
3315 	clks[TEGRA210_CLK_PLL_C4] = clk;
3316 
3317 	/* PLLC4_OUT0 */
3318 	clk = clk_register_divider_table(NULL, "pll_c4_out0", "pll_c4_vco", 0,
3319 					 clk_base + PLLC4_BASE, 19, 4, 0,
3320 					 pll_vco_post_div_table, NULL);
3321 	clk_register_clkdev(clk, "pll_c4_out0", NULL);
3322 	clks[TEGRA210_CLK_PLL_C4_OUT0] = clk;
3323 
3324 	/* PLLC4_OUT1 */
3325 	clk = clk_register_fixed_factor(NULL, "pll_c4_out1", "pll_c4_vco",
3326 					CLK_SET_RATE_PARENT, 1, 3);
3327 	clk_register_clkdev(clk, "pll_c4_out1", NULL);
3328 	clks[TEGRA210_CLK_PLL_C4_OUT1] = clk;
3329 
3330 	/* PLLC4_OUT2 */
3331 	clk = clk_register_fixed_factor(NULL, "pll_c4_out2", "pll_c4_vco",
3332 					CLK_SET_RATE_PARENT, 1, 5);
3333 	clk_register_clkdev(clk, "pll_c4_out2", NULL);
3334 	clks[TEGRA210_CLK_PLL_C4_OUT2] = clk;
3335 
3336 	/* PLLC4_OUT3 */
3337 	clk = tegra_clk_register_divider("pll_c4_out3_div", "pll_c4_out0",
3338 			clk_base + PLLC4_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
3339 			8, 8, 1, NULL);
3340 	clk = tegra_clk_register_pll_out("pll_c4_out3", "pll_c4_out3_div",
3341 				clk_base + PLLC4_OUT, 1, 0,
3342 				CLK_SET_RATE_PARENT, 0, NULL);
3343 	clk_register_clkdev(clk, "pll_c4_out3", NULL);
3344 	clks[TEGRA210_CLK_PLL_C4_OUT3] = clk;
3345 
3346 	/* PLLDP */
3347 	clk = tegra_clk_register_pllss_tegra210("pll_dp", "pll_ref", clk_base,
3348 					0, &pll_dp_params, NULL);
3349 	clk_register_clkdev(clk, "pll_dp", NULL);
3350 	clks[TEGRA210_CLK_PLL_DP] = clk;
3351 
3352 	/* PLLD2 */
3353 	clk = tegra_clk_register_pllss_tegra210("pll_d2", "pll_ref", clk_base,
3354 					0, &pll_d2_params, NULL);
3355 	clk_register_clkdev(clk, "pll_d2", NULL);
3356 	clks[TEGRA210_CLK_PLL_D2] = clk;
3357 
3358 	/* PLLD2_OUT0 */
3359 	clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
3360 					CLK_SET_RATE_PARENT, 1, 1);
3361 	clk_register_clkdev(clk, "pll_d2_out0", NULL);
3362 	clks[TEGRA210_CLK_PLL_D2_OUT0] = clk;
3363 
3364 	/* PLLP_OUT2 */
3365 	clk = clk_register_fixed_factor(NULL, "pll_p_out2", "pll_p",
3366 					CLK_SET_RATE_PARENT, 1, 2);
3367 	clk_register_clkdev(clk, "pll_p_out2", NULL);
3368 	clks[TEGRA210_CLK_PLL_P_OUT2] = clk;
3369 
3370 }
3371 
3372 /* Tegra210 CPU clock and reset control functions */
tegra210_wait_cpu_in_reset(u32 cpu)3373 static void tegra210_wait_cpu_in_reset(u32 cpu)
3374 {
3375 	unsigned int reg;
3376 
3377 	do {
3378 		reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
3379 		cpu_relax();
3380 	} while (!(reg & (1 << cpu)));  /* check CPU been reset or not */
3381 }
3382 
tegra210_disable_cpu_clock(u32 cpu)3383 static void tegra210_disable_cpu_clock(u32 cpu)
3384 {
3385 	/* flow controller would take care in the power sequence. */
3386 }
3387 
3388 #ifdef CONFIG_PM_SLEEP
3389 #define car_readl(_base, _off) readl_relaxed(clk_base + (_base) + ((_off) * 4))
3390 #define car_writel(_val, _base, _off) \
3391 		writel_relaxed(_val, clk_base + (_base) + ((_off) * 4))
3392 
3393 static u32 spare_reg_ctx, misc_clk_enb_ctx, clk_msk_arm_ctx;
3394 static u32 cpu_softrst_ctx[3];
3395 
tegra210_clk_suspend(void)3396 static int tegra210_clk_suspend(void)
3397 {
3398 	unsigned int i;
3399 
3400 	clk_save_context();
3401 
3402 	/*
3403 	 * Save the bootloader configured clock registers SPARE_REG0,
3404 	 * MISC_CLK_ENB, CLK_MASK_ARM, CPU_SOFTRST_CTRL.
3405 	 */
3406 	spare_reg_ctx = readl_relaxed(clk_base + SPARE_REG0);
3407 	misc_clk_enb_ctx = readl_relaxed(clk_base + MISC_CLK_ENB);
3408 	clk_msk_arm_ctx = readl_relaxed(clk_base + CLK_MASK_ARM);
3409 
3410 	for (i = 0; i < ARRAY_SIZE(cpu_softrst_ctx); i++)
3411 		cpu_softrst_ctx[i] = car_readl(CPU_SOFTRST_CTRL, i);
3412 
3413 	tegra_clk_periph_suspend();
3414 	return 0;
3415 }
3416 
tegra210_clk_resume(void)3417 static void tegra210_clk_resume(void)
3418 {
3419 	unsigned int i;
3420 
3421 	tegra_clk_osc_resume(clk_base);
3422 
3423 	/*
3424 	 * Restore the bootloader configured clock registers SPARE_REG0,
3425 	 * MISC_CLK_ENB, CLK_MASK_ARM, CPU_SOFTRST_CTRL from saved context.
3426 	 */
3427 	writel_relaxed(spare_reg_ctx, clk_base + SPARE_REG0);
3428 	writel_relaxed(misc_clk_enb_ctx, clk_base + MISC_CLK_ENB);
3429 	writel_relaxed(clk_msk_arm_ctx, clk_base + CLK_MASK_ARM);
3430 
3431 	for (i = 0; i < ARRAY_SIZE(cpu_softrst_ctx); i++)
3432 		car_writel(cpu_softrst_ctx[i], CPU_SOFTRST_CTRL, i);
3433 
3434 	/*
3435 	 * Tegra clock programming sequence recommends peripheral clock to
3436 	 * be enabled prior to changing its clock source and divider to
3437 	 * prevent glitchless frequency switch.
3438 	 * So, enable all peripheral clocks before restoring their source
3439 	 * and dividers.
3440 	 */
3441 	writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_L, clk_base + CLK_OUT_ENB_L);
3442 	writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_H, clk_base + CLK_OUT_ENB_H);
3443 	writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_U, clk_base + CLK_OUT_ENB_U);
3444 	writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_V, clk_base + CLK_OUT_ENB_V);
3445 	writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_W, clk_base + CLK_OUT_ENB_W);
3446 	writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_X, clk_base + CLK_OUT_ENB_X);
3447 	writel_relaxed(TEGRA210_CLK_ENB_VLD_MSK_Y, clk_base + CLK_OUT_ENB_Y);
3448 
3449 	/* wait for all writes to happen to have all the clocks enabled */
3450 	fence_udelay(2, clk_base);
3451 
3452 	/* restore PLLs and all peripheral clock rates */
3453 	tegra210_init_pllu();
3454 	clk_restore_context();
3455 
3456 	/* restore saved context of peripheral clocks and reset state */
3457 	tegra_clk_periph_resume();
3458 }
3459 
tegra210_cpu_clock_suspend(void)3460 static void tegra210_cpu_clock_suspend(void)
3461 {
3462 	/* switch coresite to clk_m, save off original source */
3463 	tegra210_cpu_clk_sctx.clk_csite_src =
3464 				readl(clk_base + CLK_SOURCE_CSITE);
3465 	writel(3 << 30, clk_base + CLK_SOURCE_CSITE);
3466 }
3467 
tegra210_cpu_clock_resume(void)3468 static void tegra210_cpu_clock_resume(void)
3469 {
3470 	writel(tegra210_cpu_clk_sctx.clk_csite_src,
3471 				clk_base + CLK_SOURCE_CSITE);
3472 }
3473 #endif
3474 
3475 static struct syscore_ops tegra_clk_syscore_ops = {
3476 #ifdef CONFIG_PM_SLEEP
3477 	.suspend = tegra210_clk_suspend,
3478 	.resume = tegra210_clk_resume,
3479 #endif
3480 };
3481 
3482 static struct tegra_cpu_car_ops tegra210_cpu_car_ops = {
3483 	.wait_for_reset	= tegra210_wait_cpu_in_reset,
3484 	.disable_clock	= tegra210_disable_cpu_clock,
3485 #ifdef CONFIG_PM_SLEEP
3486 	.suspend	= tegra210_cpu_clock_suspend,
3487 	.resume		= tegra210_cpu_clock_resume,
3488 #endif
3489 };
3490 
3491 static const struct of_device_id pmc_match[] __initconst = {
3492 	{ .compatible = "nvidia,tegra210-pmc" },
3493 	{ },
3494 };
3495 
3496 static struct tegra_clk_init_table init_table[] __initdata = {
3497 	{ TEGRA210_CLK_UARTA, TEGRA210_CLK_PLL_P, 408000000, 0 },
3498 	{ TEGRA210_CLK_UARTB, TEGRA210_CLK_PLL_P, 408000000, 0 },
3499 	{ TEGRA210_CLK_UARTC, TEGRA210_CLK_PLL_P, 408000000, 0 },
3500 	{ TEGRA210_CLK_UARTD, TEGRA210_CLK_PLL_P, 408000000, 0 },
3501 	{ TEGRA210_CLK_PLL_A, TEGRA210_CLK_CLK_MAX, 564480000, 0 },
3502 	{ TEGRA210_CLK_PLL_A_OUT0, TEGRA210_CLK_CLK_MAX, 11289600, 0 },
3503 	{ TEGRA210_CLK_I2S0, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3504 	{ TEGRA210_CLK_I2S1, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3505 	{ TEGRA210_CLK_I2S2, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3506 	{ TEGRA210_CLK_I2S3, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3507 	{ TEGRA210_CLK_I2S4, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3508 	{ TEGRA210_CLK_HOST1X, TEGRA210_CLK_PLL_P, 136000000, 1 },
3509 	{ TEGRA210_CLK_SCLK_MUX, TEGRA210_CLK_PLL_P, 0, 1 },
3510 	{ TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 0 },
3511 	{ TEGRA210_CLK_DFLL_SOC, TEGRA210_CLK_PLL_P, 51000000, 1 },
3512 	{ TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 },
3513 	{ TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 },
3514 	{ TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 },
3515 	{ TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 },
3516 	{ TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 },
3517 	{ TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 },
3518 	{ TEGRA210_CLK_XUSB_HS_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
3519 	{ TEGRA210_CLK_XUSB_SSP_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
3520 	{ TEGRA210_CLK_XUSB_FALCON_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 204000000, 0 },
3521 	{ TEGRA210_CLK_XUSB_HOST_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
3522 	{ TEGRA210_CLK_XUSB_DEV_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
3523 	{ TEGRA210_CLK_SATA, TEGRA210_CLK_PLL_P, 104000000, 0 },
3524 	{ TEGRA210_CLK_SATA_OOB, TEGRA210_CLK_PLL_P, 204000000, 0 },
3525 	{ TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 },
3526 	{ TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 },
3527 	/* TODO find a way to enable this on-demand */
3528 	{ TEGRA210_CLK_DBGAPB, TEGRA210_CLK_CLK_MAX, 0, 1 },
3529 	{ TEGRA210_CLK_TSENSOR, TEGRA210_CLK_CLK_M, 400000, 0 },
3530 	{ TEGRA210_CLK_I2C1, TEGRA210_CLK_PLL_P, 0, 0 },
3531 	{ TEGRA210_CLK_I2C2, TEGRA210_CLK_PLL_P, 0, 0 },
3532 	{ TEGRA210_CLK_I2C3, TEGRA210_CLK_PLL_P, 0, 0 },
3533 	{ TEGRA210_CLK_I2C4, TEGRA210_CLK_PLL_P, 0, 0 },
3534 	{ TEGRA210_CLK_I2C5, TEGRA210_CLK_PLL_P, 0, 0 },
3535 	{ TEGRA210_CLK_I2C6, TEGRA210_CLK_PLL_P, 0, 0 },
3536 	{ TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 },
3537 	{ TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 },
3538 	{ TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 },
3539 	{ TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 },
3540 	{ TEGRA210_CLK_SPDIF_IN_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3541 	{ TEGRA210_CLK_I2S0_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3542 	{ TEGRA210_CLK_I2S1_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3543 	{ TEGRA210_CLK_I2S2_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3544 	{ TEGRA210_CLK_I2S3_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3545 	{ TEGRA210_CLK_I2S4_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3546 	{ TEGRA210_CLK_VIMCLK_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3547 	{ TEGRA210_CLK_HDA, TEGRA210_CLK_PLL_P, 51000000, 0 },
3548 	{ TEGRA210_CLK_HDA2CODEC_2X, TEGRA210_CLK_PLL_P, 48000000, 0 },
3549 	/* This MUST be the last entry. */
3550 	{ TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 },
3551 };
3552 
3553 /**
3554  * tegra210_clock_apply_init_table - initialize clocks on Tegra210 SoCs
3555  *
3556  * Program an initial clock rate and enable or disable clocks needed
3557  * by the rest of the kernel, for Tegra210 SoCs.  It is intended to be
3558  * called by assigning a pointer to it to tegra_clk_apply_init_table -
3559  * this will be called as an arch_initcall.  No return value.
3560  */
tegra210_clock_apply_init_table(void)3561 static void __init tegra210_clock_apply_init_table(void)
3562 {
3563 	tegra_init_from_table(init_table, clks, TEGRA210_CLK_CLK_MAX);
3564 }
3565 
3566 /**
3567  * tegra210_car_barrier - wait for pending writes to the CAR to complete
3568  *
3569  * Wait for any outstanding writes to the CAR MMIO space from this CPU
3570  * to complete before continuing execution.  No return value.
3571  */
tegra210_car_barrier(void)3572 static void tegra210_car_barrier(void)
3573 {
3574 	readl_relaxed(clk_base + RST_DFLL_DVCO);
3575 }
3576 
3577 /**
3578  * tegra210_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset
3579  *
3580  * Assert the reset line of the DFLL's DVCO.  No return value.
3581  */
tegra210_clock_assert_dfll_dvco_reset(void)3582 static void tegra210_clock_assert_dfll_dvco_reset(void)
3583 {
3584 	u32 v;
3585 
3586 	v = readl_relaxed(clk_base + RST_DFLL_DVCO);
3587 	v |= (1 << DVFS_DFLL_RESET_SHIFT);
3588 	writel_relaxed(v, clk_base + RST_DFLL_DVCO);
3589 	tegra210_car_barrier();
3590 }
3591 
3592 /**
3593  * tegra210_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset
3594  *
3595  * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to
3596  * operate.  No return value.
3597  */
tegra210_clock_deassert_dfll_dvco_reset(void)3598 static void tegra210_clock_deassert_dfll_dvco_reset(void)
3599 {
3600 	u32 v;
3601 
3602 	v = readl_relaxed(clk_base + RST_DFLL_DVCO);
3603 	v &= ~(1 << DVFS_DFLL_RESET_SHIFT);
3604 	writel_relaxed(v, clk_base + RST_DFLL_DVCO);
3605 	tegra210_car_barrier();
3606 }
3607 
tegra210_reset_assert(unsigned long id)3608 static int tegra210_reset_assert(unsigned long id)
3609 {
3610 	if (id == TEGRA210_RST_DFLL_DVCO)
3611 		tegra210_clock_assert_dfll_dvco_reset();
3612 	else if (id == TEGRA210_RST_ADSP)
3613 		writel(GENMASK(26, 21) | BIT(7),
3614 			clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_SET);
3615 	else
3616 		return -EINVAL;
3617 
3618 	return 0;
3619 }
3620 
tegra210_reset_deassert(unsigned long id)3621 static int tegra210_reset_deassert(unsigned long id)
3622 {
3623 	if (id == TEGRA210_RST_DFLL_DVCO)
3624 		tegra210_clock_deassert_dfll_dvco_reset();
3625 	else if (id == TEGRA210_RST_ADSP) {
3626 		writel(BIT(21), clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
3627 		/*
3628 		 * Considering adsp cpu clock (min: 12.5MHZ, max: 1GHz)
3629 		 * a delay of 5us ensures that it's at least
3630 		 * 6 * adsp_cpu_cycle_period long.
3631 		 */
3632 		udelay(5);
3633 		writel(GENMASK(26, 22) | BIT(7),
3634 			clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
3635 	} else
3636 		return -EINVAL;
3637 
3638 	return 0;
3639 }
3640 
tegra210_mbist_clk_init(void)3641 static void tegra210_mbist_clk_init(void)
3642 {
3643 	unsigned int i, j;
3644 
3645 	for (i = 0; i < ARRAY_SIZE(tegra210_pg_mbist_war); i++) {
3646 		unsigned int num_clks = tegra210_pg_mbist_war[i].num_clks;
3647 		struct clk_bulk_data *clk_data;
3648 
3649 		if (!num_clks)
3650 			continue;
3651 
3652 		clk_data = kmalloc_array(num_clks, sizeof(*clk_data),
3653 					 GFP_KERNEL);
3654 		if (WARN_ON(!clk_data))
3655 			return;
3656 
3657 		tegra210_pg_mbist_war[i].clks = clk_data;
3658 		for (j = 0; j < num_clks; j++) {
3659 			int clk_id = tegra210_pg_mbist_war[i].clk_init_data[j];
3660 			struct clk *clk = clks[clk_id];
3661 
3662 			if (WARN(IS_ERR(clk), "clk_id: %d\n", clk_id)) {
3663 				kfree(clk_data);
3664 				tegra210_pg_mbist_war[i].clks = NULL;
3665 				break;
3666 			}
3667 			clk_data[j].clk = clk;
3668 		}
3669 	}
3670 }
3671 
3672 /**
3673  * tegra210_clock_init - Tegra210-specific clock initialization
3674  * @np: struct device_node * of the DT node for the SoC CAR IP block
3675  *
3676  * Register most SoC clocks for the Tegra210 system-on-chip.  Intended
3677  * to be called by the OF init code when a DT node with the
3678  * "nvidia,tegra210-car" string is encountered, and declared with
3679  * CLK_OF_DECLARE.  No return value.
3680  */
tegra210_clock_init(struct device_node * np)3681 static void __init tegra210_clock_init(struct device_node *np)
3682 {
3683 	struct device_node *node;
3684 	u32 value, clk_m_div;
3685 
3686 	clk_base = of_iomap(np, 0);
3687 	if (!clk_base) {
3688 		pr_err("ioremap tegra210 CAR failed\n");
3689 		return;
3690 	}
3691 
3692 	node = of_find_matching_node(NULL, pmc_match);
3693 	if (!node) {
3694 		pr_err("Failed to find pmc node\n");
3695 		WARN_ON(1);
3696 		return;
3697 	}
3698 
3699 	pmc_base = of_iomap(node, 0);
3700 	if (!pmc_base) {
3701 		pr_err("Can't map pmc registers\n");
3702 		WARN_ON(1);
3703 		return;
3704 	}
3705 
3706 	ahub_base = ioremap(TEGRA210_AHUB_BASE, SZ_64K);
3707 	if (!ahub_base) {
3708 		pr_err("ioremap tegra210 APE failed\n");
3709 		return;
3710 	}
3711 
3712 	dispa_base = ioremap(TEGRA210_DISPA_BASE, SZ_256K);
3713 	if (!dispa_base) {
3714 		pr_err("ioremap tegra210 DISPA failed\n");
3715 		return;
3716 	}
3717 
3718 	vic_base = ioremap(TEGRA210_VIC_BASE, SZ_256K);
3719 	if (!vic_base) {
3720 		pr_err("ioremap tegra210 VIC failed\n");
3721 		return;
3722 	}
3723 
3724 	clks = tegra_clk_init(clk_base, TEGRA210_CLK_CLK_MAX,
3725 			      TEGRA210_CAR_BANK_COUNT);
3726 	if (!clks)
3727 		return;
3728 
3729 	value = readl(clk_base + SPARE_REG0) >> CLK_M_DIVISOR_SHIFT;
3730 	clk_m_div = (value & CLK_M_DIVISOR_MASK) + 1;
3731 
3732 	if (tegra_osc_clk_init(clk_base, tegra210_clks, tegra210_input_freq,
3733 			       ARRAY_SIZE(tegra210_input_freq), clk_m_div,
3734 			       &osc_freq, &pll_ref_freq) < 0)
3735 		return;
3736 
3737 	tegra_fixed_clk_init(tegra210_clks);
3738 	tegra210_pll_init(clk_base, pmc_base);
3739 	tegra210_periph_clk_init(np, clk_base, pmc_base);
3740 	tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks,
3741 			     tegra210_audio_plls,
3742 			     ARRAY_SIZE(tegra210_audio_plls), 24576000);
3743 
3744 	/* For Tegra210, PLLD is the only source for DSIA & DSIB */
3745 	value = readl(clk_base + PLLD_BASE);
3746 	value &= ~BIT(25);
3747 	writel(value, clk_base + PLLD_BASE);
3748 
3749 	tegra_clk_apply_init_table = tegra210_clock_apply_init_table;
3750 
3751 	tegra_super_clk_gen5_init(clk_base, pmc_base, tegra210_clks,
3752 				  &pll_x_params);
3753 	tegra_init_special_resets(2, tegra210_reset_assert,
3754 				  tegra210_reset_deassert);
3755 
3756 	tegra_add_of_provider(np, of_clk_src_onecell_get);
3757 	tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
3758 
3759 	tegra210_mbist_clk_init();
3760 
3761 	tegra_cpu_car_ops = &tegra210_cpu_car_ops;
3762 
3763 	register_syscore_ops(&tegra_clk_syscore_ops);
3764 }
3765 CLK_OF_DECLARE(tegra210, "nvidia,tegra210-car", tegra210_clock_init);
3766