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/delay.h>
13 #include <linux/export.h>
14 #include <linux/mutex.h>
15 #include <linux/clk/tegra.h>
16 #include <dt-bindings/clock/tegra210-car.h>
17 #include <dt-bindings/reset/tegra210-car.h>
18 #include <linux/iopoll.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_LA 0x1f8
37 #define CLK_SOURCE_SDMMC2 0x154
38 #define CLK_SOURCE_SDMMC4 0x164
39 
40 #define PLLC_BASE 0x80
41 #define PLLC_OUT 0x84
42 #define PLLC_MISC0 0x88
43 #define PLLC_MISC1 0x8c
44 #define PLLC_MISC2 0x5d0
45 #define PLLC_MISC3 0x5d4
46 
47 #define PLLC2_BASE 0x4e8
48 #define PLLC2_MISC0 0x4ec
49 #define PLLC2_MISC1 0x4f0
50 #define PLLC2_MISC2 0x4f4
51 #define PLLC2_MISC3 0x4f8
52 
53 #define PLLC3_BASE 0x4fc
54 #define PLLC3_MISC0 0x500
55 #define PLLC3_MISC1 0x504
56 #define PLLC3_MISC2 0x508
57 #define PLLC3_MISC3 0x50c
58 
59 #define PLLM_BASE 0x90
60 #define PLLM_MISC1 0x98
61 #define PLLM_MISC2 0x9c
62 #define PLLP_BASE 0xa0
63 #define PLLP_MISC0 0xac
64 #define PLLP_MISC1 0x680
65 #define PLLA_BASE 0xb0
66 #define PLLA_MISC0 0xbc
67 #define PLLA_MISC1 0xb8
68 #define PLLA_MISC2 0x5d8
69 #define PLLD_BASE 0xd0
70 #define PLLD_MISC0 0xdc
71 #define PLLD_MISC1 0xd8
72 #define PLLU_BASE 0xc0
73 #define PLLU_OUTA 0xc4
74 #define PLLU_MISC0 0xcc
75 #define PLLU_MISC1 0xc8
76 #define PLLX_BASE 0xe0
77 #define PLLX_MISC0 0xe4
78 #define PLLX_MISC1 0x510
79 #define PLLX_MISC2 0x514
80 #define PLLX_MISC3 0x518
81 #define PLLX_MISC4 0x5f0
82 #define PLLX_MISC5 0x5f4
83 #define PLLE_BASE 0xe8
84 #define PLLE_MISC0 0xec
85 #define PLLD2_BASE 0x4b8
86 #define PLLD2_MISC0 0x4bc
87 #define PLLD2_MISC1 0x570
88 #define PLLD2_MISC2 0x574
89 #define PLLD2_MISC3 0x578
90 #define PLLE_AUX 0x48c
91 #define PLLRE_BASE 0x4c4
92 #define PLLRE_MISC0 0x4c8
93 #define PLLRE_OUT1 0x4cc
94 #define PLLDP_BASE 0x590
95 #define PLLDP_MISC 0x594
96 
97 #define PLLC4_BASE 0x5a4
98 #define PLLC4_MISC0 0x5a8
99 #define PLLC4_OUT 0x5e4
100 #define PLLMB_BASE 0x5e8
101 #define PLLMB_MISC1 0x5ec
102 #define PLLA1_BASE 0x6a4
103 #define PLLA1_MISC0 0x6a8
104 #define PLLA1_MISC1 0x6ac
105 #define PLLA1_MISC2 0x6b0
106 #define PLLA1_MISC3 0x6b4
107 
108 #define PLLU_IDDQ_BIT 31
109 #define PLLCX_IDDQ_BIT 27
110 #define PLLRE_IDDQ_BIT 24
111 #define PLLA_IDDQ_BIT 25
112 #define PLLD_IDDQ_BIT 20
113 #define PLLSS_IDDQ_BIT 18
114 #define PLLM_IDDQ_BIT 5
115 #define PLLMB_IDDQ_BIT 17
116 #define PLLXP_IDDQ_BIT 3
117 
118 #define PLLCX_RESET_BIT 30
119 
120 #define PLL_BASE_LOCK BIT(27)
121 #define PLLCX_BASE_LOCK BIT(26)
122 #define PLLE_MISC_LOCK BIT(11)
123 #define PLLRE_MISC_LOCK BIT(27)
124 
125 #define PLL_MISC_LOCK_ENABLE 18
126 #define PLLC_MISC_LOCK_ENABLE 24
127 #define PLLDU_MISC_LOCK_ENABLE 22
128 #define PLLU_MISC_LOCK_ENABLE 29
129 #define PLLE_MISC_LOCK_ENABLE 9
130 #define PLLRE_MISC_LOCK_ENABLE 30
131 #define PLLSS_MISC_LOCK_ENABLE 30
132 #define PLLP_MISC_LOCK_ENABLE 18
133 #define PLLM_MISC_LOCK_ENABLE 4
134 #define PLLMB_MISC_LOCK_ENABLE 16
135 #define PLLA_MISC_LOCK_ENABLE 28
136 #define PLLU_MISC_LOCK_ENABLE 29
137 #define PLLD_MISC_LOCK_ENABLE 18
138 
139 #define PLLA_SDM_DIN_MASK 0xffff
140 #define PLLA_SDM_EN_MASK BIT(26)
141 
142 #define PLLD_SDM_EN_MASK BIT(16)
143 
144 #define PLLD2_SDM_EN_MASK BIT(31)
145 #define PLLD2_SSC_EN_MASK 0
146 
147 #define PLLDP_SS_CFG	0x598
148 #define PLLDP_SDM_EN_MASK BIT(31)
149 #define PLLDP_SSC_EN_MASK BIT(30)
150 #define PLLDP_SS_CTRL1	0x59c
151 #define PLLDP_SS_CTRL2	0x5a0
152 
153 #define PMC_PLLM_WB0_OVERRIDE 0x1dc
154 #define PMC_PLLM_WB0_OVERRIDE_2 0x2b0
155 
156 #define UTMIP_PLL_CFG2 0x488
157 #define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6)
158 #define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
159 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
160 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP BIT(1)
161 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
162 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP BIT(3)
163 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
164 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERUP BIT(5)
165 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN BIT(24)
166 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP BIT(25)
167 
168 #define UTMIP_PLL_CFG1 0x484
169 #define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27)
170 #define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
171 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17)
172 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16)
173 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15)
174 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14)
175 #define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12)
176 
177 #define SATA_PLL_CFG0				0x490
178 #define SATA_PLL_CFG0_PADPLL_RESET_SWCTL	BIT(0)
179 #define SATA_PLL_CFG0_PADPLL_USE_LOCKDET	BIT(2)
180 #define SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL		BIT(4)
181 #define SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE	BIT(5)
182 #define SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE	BIT(6)
183 #define SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE	BIT(7)
184 
185 #define SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ		BIT(13)
186 #define SATA_PLL_CFG0_SEQ_ENABLE		BIT(24)
187 
188 #define XUSBIO_PLL_CFG0				0x51c
189 #define XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL	BIT(0)
190 #define XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL	BIT(2)
191 #define XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET	BIT(6)
192 #define XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ	BIT(13)
193 #define XUSBIO_PLL_CFG0_SEQ_ENABLE		BIT(24)
194 
195 #define UTMIPLL_HW_PWRDN_CFG0			0x52c
196 #define UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK	BIT(31)
197 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE	BIT(25)
198 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE	BIT(24)
199 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE	BIT(7)
200 #define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET	BIT(6)
201 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE	BIT(5)
202 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL	BIT(4)
203 #define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL	BIT(2)
204 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE	BIT(1)
205 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL	BIT(0)
206 
207 #define PLLU_HW_PWRDN_CFG0			0x530
208 #define PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE	BIT(28)
209 #define PLLU_HW_PWRDN_CFG0_SEQ_ENABLE		BIT(24)
210 #define PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT	BIT(7)
211 #define PLLU_HW_PWRDN_CFG0_USE_LOCKDET		BIT(6)
212 #define PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL	BIT(2)
213 #define PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL	BIT(0)
214 
215 #define XUSB_PLL_CFG0				0x534
216 #define XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY		0x3ff
217 #define XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK	(0x3ff << 14)
218 
219 #define SPARE_REG0 0x55c
220 #define CLK_M_DIVISOR_SHIFT 2
221 #define CLK_M_DIVISOR_MASK 0x3
222 
223 #define RST_DFLL_DVCO 0x2f4
224 #define DVFS_DFLL_RESET_SHIFT 0
225 
226 #define CLK_RST_CONTROLLER_RST_DEV_Y_SET 0x2a8
227 #define CLK_RST_CONTROLLER_RST_DEV_Y_CLR 0x2ac
228 
229 #define LVL2_CLK_GATE_OVRA 0xf8
230 #define LVL2_CLK_GATE_OVRC 0x3a0
231 #define LVL2_CLK_GATE_OVRD 0x3a4
232 #define LVL2_CLK_GATE_OVRE 0x554
233 
234 /* I2S registers to handle during APE MBIST WAR */
235 #define TEGRA210_I2S_BASE  0x1000
236 #define TEGRA210_I2S_SIZE  0x100
237 #define TEGRA210_I2S_CTRLS 5
238 #define TEGRA210_I2S_CG    0x88
239 #define TEGRA210_I2S_CTRL  0xa0
240 
241 /* DISPA registers to handle during MBIST WAR */
242 #define DC_CMD_DISPLAY_COMMAND 0xc8
243 #define DC_COM_DSC_TOP_CTL 0xcf8
244 
245 /* VIC register to handle during MBIST WAR */
246 #define NV_PVIC_THI_SLCG_OVERRIDE_LOW 0x8c
247 
248 /* APE, DISPA and VIC base addesses needed for MBIST WAR */
249 #define TEGRA210_AHUB_BASE  0x702d0000
250 #define TEGRA210_DISPA_BASE 0x54200000
251 #define TEGRA210_VIC_BASE  0x54340000
252 
253 /*
254  * SDM fractional divisor is 16-bit 2's complement signed number within
255  * (-2^12 ... 2^12-1) range. Represented in PLL data structure as unsigned
256  * 16-bit value, with "0" divisor mapped to 0xFFFF. Data "0" is used to
257  * indicate that SDM is disabled.
258  *
259  * Effective ndiv value when SDM is enabled: ndiv + 1/2 + sdm_din/2^13
260  */
261 #define PLL_SDM_COEFF BIT(13)
262 #define sdin_din_to_data(din)	((u16)((din) ? : 0xFFFFU))
263 #define sdin_data_to_din(dat)	(((dat) == 0xFFFFU) ? 0 : (s16)dat)
264 /* This macro returns ndiv effective scaled to SDM range */
265 #define sdin_get_n_eff(cfg)	((cfg)->n * PLL_SDM_COEFF + ((cfg)->sdm_data ? \
266 		(PLL_SDM_COEFF/2 + sdin_data_to_din((cfg)->sdm_data)) : 0))
267 
268 /* Tegra CPU clock and reset control regs */
269 #define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS	0x470
270 
271 #ifdef CONFIG_PM_SLEEP
272 static struct cpu_clk_suspend_context {
273 	u32 clk_csite_src;
274 } tegra210_cpu_clk_sctx;
275 #endif
276 
277 struct tegra210_domain_mbist_war {
278 	void (*handle_lvl2_ovr)(struct tegra210_domain_mbist_war *mbist);
279 	const u32 lvl2_offset;
280 	const u32 lvl2_mask;
281 	const unsigned int num_clks;
282 	const unsigned int *clk_init_data;
283 	struct clk_bulk_data *clks;
284 };
285 
286 static struct clk **clks;
287 
288 static void __iomem *clk_base;
289 static void __iomem *pmc_base;
290 static void __iomem *ahub_base;
291 static void __iomem *dispa_base;
292 static void __iomem *vic_base;
293 
294 static unsigned long osc_freq;
295 static unsigned long pll_ref_freq;
296 
297 static DEFINE_SPINLOCK(pll_d_lock);
298 static DEFINE_SPINLOCK(pll_e_lock);
299 static DEFINE_SPINLOCK(pll_re_lock);
300 static DEFINE_SPINLOCK(pll_u_lock);
301 static DEFINE_SPINLOCK(sor1_lock);
302 static DEFINE_SPINLOCK(emc_lock);
303 static DEFINE_MUTEX(lvl2_ovr_lock);
304 
305 /* possible OSC frequencies in Hz */
306 static unsigned long tegra210_input_freq[] = {
307 	[5] = 38400000,
308 	[8] = 12000000,
309 };
310 
311 static const char *mux_pllmcp_clkm[] = {
312 	"pll_m", "pll_c", "pll_p", "clk_m", "pll_m_ud", "pll_mb", "pll_mb",
313 	"pll_p",
314 };
315 #define mux_pllmcp_clkm_idx NULL
316 
317 #define PLL_ENABLE			(1 << 30)
318 
319 #define PLLCX_MISC1_IDDQ		(1 << 27)
320 #define PLLCX_MISC0_RESET		(1 << 30)
321 
322 #define PLLCX_MISC0_DEFAULT_VALUE	0x40080000
323 #define PLLCX_MISC0_WRITE_MASK		0x400ffffb
324 #define PLLCX_MISC1_DEFAULT_VALUE	0x08000000
325 #define PLLCX_MISC1_WRITE_MASK		0x08003cff
326 #define PLLCX_MISC2_DEFAULT_VALUE	0x1f720f05
327 #define PLLCX_MISC2_WRITE_MASK		0xffffff17
328 #define PLLCX_MISC3_DEFAULT_VALUE	0x000000c4
329 #define PLLCX_MISC3_WRITE_MASK		0x00ffffff
330 
331 /* PLLA */
332 #define PLLA_BASE_IDDQ			(1 << 25)
333 #define PLLA_BASE_LOCK			(1 << 27)
334 
335 #define PLLA_MISC0_LOCK_ENABLE		(1 << 28)
336 #define PLLA_MISC0_LOCK_OVERRIDE	(1 << 27)
337 
338 #define PLLA_MISC2_EN_SDM		(1 << 26)
339 #define PLLA_MISC2_EN_DYNRAMP		(1 << 25)
340 
341 #define PLLA_MISC0_DEFAULT_VALUE	0x12000020
342 #define PLLA_MISC0_WRITE_MASK		0x7fffffff
343 #define PLLA_MISC2_DEFAULT_VALUE	0x0
344 #define PLLA_MISC2_WRITE_MASK		0x06ffffff
345 
346 /* PLLD */
347 #define PLLD_BASE_CSI_CLKSOURCE		(1 << 23)
348 
349 #define PLLD_MISC0_EN_SDM		(1 << 16)
350 #define PLLD_MISC0_LOCK_OVERRIDE	(1 << 17)
351 #define PLLD_MISC0_LOCK_ENABLE		(1 << 18)
352 #define PLLD_MISC0_IDDQ			(1 << 20)
353 #define PLLD_MISC0_DSI_CLKENABLE	(1 << 21)
354 
355 #define PLLD_MISC0_DEFAULT_VALUE	0x00140000
356 #define PLLD_MISC0_WRITE_MASK		0x3ff7ffff
357 #define PLLD_MISC1_DEFAULT_VALUE	0x20
358 #define PLLD_MISC1_WRITE_MASK		0x00ffffff
359 
360 /* PLLD2 and PLLDP  and PLLC4 */
361 #define PLLDSS_BASE_LOCK		(1 << 27)
362 #define PLLDSS_BASE_LOCK_OVERRIDE	(1 << 24)
363 #define PLLDSS_BASE_IDDQ		(1 << 18)
364 #define PLLDSS_BASE_REF_SEL_SHIFT	25
365 #define PLLDSS_BASE_REF_SEL_MASK	(0x3 << PLLDSS_BASE_REF_SEL_SHIFT)
366 
367 #define PLLDSS_MISC0_LOCK_ENABLE	(1 << 30)
368 
369 #define PLLDSS_MISC1_CFG_EN_SDM		(1 << 31)
370 #define PLLDSS_MISC1_CFG_EN_SSC		(1 << 30)
371 
372 #define PLLD2_MISC0_DEFAULT_VALUE	0x40000020
373 #define PLLD2_MISC1_CFG_DEFAULT_VALUE	0x10000000
374 #define PLLD2_MISC2_CTRL1_DEFAULT_VALUE	0x0
375 #define PLLD2_MISC3_CTRL2_DEFAULT_VALUE	0x0
376 
377 #define PLLDP_MISC0_DEFAULT_VALUE	0x40000020
378 #define PLLDP_MISC1_CFG_DEFAULT_VALUE	0xc0000000
379 #define PLLDP_MISC2_CTRL1_DEFAULT_VALUE	0xf400f0da
380 #define PLLDP_MISC3_CTRL2_DEFAULT_VALUE	0x2004f400
381 
382 #define PLLDSS_MISC0_WRITE_MASK		0x47ffffff
383 #define PLLDSS_MISC1_CFG_WRITE_MASK	0xf8000000
384 #define PLLDSS_MISC2_CTRL1_WRITE_MASK	0xffffffff
385 #define PLLDSS_MISC3_CTRL2_WRITE_MASK	0xffffffff
386 
387 #define PLLC4_MISC0_DEFAULT_VALUE	0x40000000
388 
389 /* PLLRE */
390 #define PLLRE_MISC0_LOCK_ENABLE		(1 << 30)
391 #define PLLRE_MISC0_LOCK_OVERRIDE	(1 << 29)
392 #define PLLRE_MISC0_LOCK		(1 << 27)
393 #define PLLRE_MISC0_IDDQ		(1 << 24)
394 
395 #define PLLRE_BASE_DEFAULT_VALUE	0x0
396 #define PLLRE_MISC0_DEFAULT_VALUE	0x41000000
397 
398 #define PLLRE_BASE_DEFAULT_MASK		0x1c000000
399 #define PLLRE_MISC0_WRITE_MASK		0x67ffffff
400 
401 /* PLLX */
402 #define PLLX_USE_DYN_RAMP		1
403 #define PLLX_BASE_LOCK			(1 << 27)
404 
405 #define PLLX_MISC0_FO_G_DISABLE		(0x1 << 28)
406 #define PLLX_MISC0_LOCK_ENABLE		(0x1 << 18)
407 
408 #define PLLX_MISC2_DYNRAMP_STEPB_SHIFT	24
409 #define PLLX_MISC2_DYNRAMP_STEPB_MASK	(0xFF << PLLX_MISC2_DYNRAMP_STEPB_SHIFT)
410 #define PLLX_MISC2_DYNRAMP_STEPA_SHIFT	16
411 #define PLLX_MISC2_DYNRAMP_STEPA_MASK	(0xFF << PLLX_MISC2_DYNRAMP_STEPA_SHIFT)
412 #define PLLX_MISC2_NDIV_NEW_SHIFT	8
413 #define PLLX_MISC2_NDIV_NEW_MASK	(0xFF << PLLX_MISC2_NDIV_NEW_SHIFT)
414 #define PLLX_MISC2_LOCK_OVERRIDE	(0x1 << 4)
415 #define PLLX_MISC2_DYNRAMP_DONE		(0x1 << 2)
416 #define PLLX_MISC2_EN_DYNRAMP		(0x1 << 0)
417 
418 #define PLLX_MISC3_IDDQ			(0x1 << 3)
419 
420 #define PLLX_MISC0_DEFAULT_VALUE	PLLX_MISC0_LOCK_ENABLE
421 #define PLLX_MISC0_WRITE_MASK		0x10c40000
422 #define PLLX_MISC1_DEFAULT_VALUE	0x20
423 #define PLLX_MISC1_WRITE_MASK		0x00ffffff
424 #define PLLX_MISC2_DEFAULT_VALUE	0x0
425 #define PLLX_MISC2_WRITE_MASK		0xffffff11
426 #define PLLX_MISC3_DEFAULT_VALUE	PLLX_MISC3_IDDQ
427 #define PLLX_MISC3_WRITE_MASK		0x01ff0f0f
428 #define PLLX_MISC4_DEFAULT_VALUE	0x0
429 #define PLLX_MISC4_WRITE_MASK		0x8000ffff
430 #define PLLX_MISC5_DEFAULT_VALUE	0x0
431 #define PLLX_MISC5_WRITE_MASK		0x0000ffff
432 
433 #define PLLX_HW_CTRL_CFG		0x548
434 #define PLLX_HW_CTRL_CFG_SWCTRL		(0x1 << 0)
435 
436 /* PLLMB */
437 #define PLLMB_BASE_LOCK			(1 << 27)
438 
439 #define PLLMB_MISC1_LOCK_OVERRIDE	(1 << 18)
440 #define PLLMB_MISC1_IDDQ		(1 << 17)
441 #define PLLMB_MISC1_LOCK_ENABLE		(1 << 16)
442 
443 #define PLLMB_MISC1_DEFAULT_VALUE	0x00030000
444 #define PLLMB_MISC1_WRITE_MASK		0x0007ffff
445 
446 /* PLLP */
447 #define PLLP_BASE_OVERRIDE		(1 << 28)
448 #define PLLP_BASE_LOCK			(1 << 27)
449 
450 #define PLLP_MISC0_LOCK_ENABLE		(1 << 18)
451 #define PLLP_MISC0_LOCK_OVERRIDE	(1 << 17)
452 #define PLLP_MISC0_IDDQ			(1 << 3)
453 
454 #define PLLP_MISC1_HSIO_EN_SHIFT	29
455 #define PLLP_MISC1_HSIO_EN		(1 << PLLP_MISC1_HSIO_EN_SHIFT)
456 #define PLLP_MISC1_XUSB_EN_SHIFT	28
457 #define PLLP_MISC1_XUSB_EN		(1 << PLLP_MISC1_XUSB_EN_SHIFT)
458 
459 #define PLLP_MISC0_DEFAULT_VALUE	0x00040008
460 #define PLLP_MISC1_DEFAULT_VALUE	0x0
461 
462 #define PLLP_MISC0_WRITE_MASK		0xdc6000f
463 #define PLLP_MISC1_WRITE_MASK		0x70ffffff
464 
465 /* PLLU */
466 #define PLLU_BASE_LOCK			(1 << 27)
467 #define PLLU_BASE_OVERRIDE		(1 << 24)
468 #define PLLU_BASE_CLKENABLE_USB		(1 << 21)
469 #define PLLU_BASE_CLKENABLE_HSIC	(1 << 22)
470 #define PLLU_BASE_CLKENABLE_ICUSB	(1 << 23)
471 #define PLLU_BASE_CLKENABLE_48M		(1 << 25)
472 #define PLLU_BASE_CLKENABLE_ALL		(PLLU_BASE_CLKENABLE_USB |\
473 					 PLLU_BASE_CLKENABLE_HSIC |\
474 					 PLLU_BASE_CLKENABLE_ICUSB |\
475 					 PLLU_BASE_CLKENABLE_48M)
476 
477 #define PLLU_MISC0_IDDQ			(1 << 31)
478 #define PLLU_MISC0_LOCK_ENABLE		(1 << 29)
479 #define PLLU_MISC1_LOCK_OVERRIDE	(1 << 0)
480 
481 #define PLLU_MISC0_DEFAULT_VALUE	0xa0000000
482 #define PLLU_MISC1_DEFAULT_VALUE	0x0
483 
484 #define PLLU_MISC0_WRITE_MASK		0xbfffffff
485 #define PLLU_MISC1_WRITE_MASK		0x00000007
486 
tegra210_xusb_pll_hw_control_enable(void)487 void tegra210_xusb_pll_hw_control_enable(void)
488 {
489 	u32 val;
490 
491 	val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0);
492 	val &= ~(XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL |
493 		 XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL);
494 	val |= XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET |
495 	       XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ;
496 	writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0);
497 }
498 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_control_enable);
499 
tegra210_xusb_pll_hw_sequence_start(void)500 void tegra210_xusb_pll_hw_sequence_start(void)
501 {
502 	u32 val;
503 
504 	val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0);
505 	val |= XUSBIO_PLL_CFG0_SEQ_ENABLE;
506 	writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0);
507 }
508 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_sequence_start);
509 
tegra210_sata_pll_hw_control_enable(void)510 void tegra210_sata_pll_hw_control_enable(void)
511 {
512 	u32 val;
513 
514 	val = readl_relaxed(clk_base + SATA_PLL_CFG0);
515 	val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL;
516 	val |= SATA_PLL_CFG0_PADPLL_USE_LOCKDET |
517 	       SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ;
518 	writel_relaxed(val, clk_base + SATA_PLL_CFG0);
519 }
520 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_control_enable);
521 
tegra210_sata_pll_hw_sequence_start(void)522 void tegra210_sata_pll_hw_sequence_start(void)
523 {
524 	u32 val;
525 
526 	val = readl_relaxed(clk_base + SATA_PLL_CFG0);
527 	val |= SATA_PLL_CFG0_SEQ_ENABLE;
528 	writel_relaxed(val, clk_base + SATA_PLL_CFG0);
529 }
530 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_sequence_start);
531 
tegra210_set_sata_pll_seq_sw(bool state)532 void tegra210_set_sata_pll_seq_sw(bool state)
533 {
534 	u32 val;
535 
536 	val = readl_relaxed(clk_base + SATA_PLL_CFG0);
537 	if (state) {
538 		val |= SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL;
539 		val |= SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE;
540 		val |= SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE;
541 		val |= SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE;
542 	} else {
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 	}
548 	writel_relaxed(val, clk_base + SATA_PLL_CFG0);
549 }
550 EXPORT_SYMBOL_GPL(tegra210_set_sata_pll_seq_sw);
551 
tegra210_generic_mbist_war(struct tegra210_domain_mbist_war * mbist)552 static void tegra210_generic_mbist_war(struct tegra210_domain_mbist_war *mbist)
553 {
554 	u32 val;
555 
556 	val = readl_relaxed(clk_base + mbist->lvl2_offset);
557 	writel_relaxed(val | mbist->lvl2_mask, clk_base + mbist->lvl2_offset);
558 	fence_udelay(1, clk_base);
559 	writel_relaxed(val, clk_base + mbist->lvl2_offset);
560 	fence_udelay(1, clk_base);
561 }
562 
tegra210_venc_mbist_war(struct tegra210_domain_mbist_war * mbist)563 static void tegra210_venc_mbist_war(struct tegra210_domain_mbist_war *mbist)
564 {
565 	u32 csi_src, ovra, ovre;
566 	unsigned long flags = 0;
567 
568 	spin_lock_irqsave(&pll_d_lock, flags);
569 
570 	csi_src = readl_relaxed(clk_base + PLLD_BASE);
571 	writel_relaxed(csi_src | PLLD_BASE_CSI_CLKSOURCE, clk_base + PLLD_BASE);
572 	fence_udelay(1, clk_base);
573 
574 	ovra = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRA);
575 	writel_relaxed(ovra | BIT(15), clk_base + LVL2_CLK_GATE_OVRA);
576 	ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE);
577 	writel_relaxed(ovre | BIT(3), clk_base + LVL2_CLK_GATE_OVRE);
578 	fence_udelay(1, clk_base);
579 
580 	writel_relaxed(ovra, clk_base + LVL2_CLK_GATE_OVRA);
581 	writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE);
582 	writel_relaxed(csi_src, clk_base + PLLD_BASE);
583 	fence_udelay(1, clk_base);
584 
585 	spin_unlock_irqrestore(&pll_d_lock, flags);
586 }
587 
tegra210_disp_mbist_war(struct tegra210_domain_mbist_war * mbist)588 static void tegra210_disp_mbist_war(struct tegra210_domain_mbist_war *mbist)
589 {
590 	u32 ovra, dsc_top_ctrl;
591 
592 	ovra = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRA);
593 	writel_relaxed(ovra | BIT(1), clk_base + LVL2_CLK_GATE_OVRA);
594 	fence_udelay(1, clk_base);
595 
596 	dsc_top_ctrl = readl_relaxed(dispa_base + DC_COM_DSC_TOP_CTL);
597 	writel_relaxed(dsc_top_ctrl | BIT(2), dispa_base + DC_COM_DSC_TOP_CTL);
598 	readl_relaxed(dispa_base + DC_CMD_DISPLAY_COMMAND);
599 	writel_relaxed(dsc_top_ctrl, dispa_base + DC_COM_DSC_TOP_CTL);
600 	readl_relaxed(dispa_base + DC_CMD_DISPLAY_COMMAND);
601 
602 	writel_relaxed(ovra, clk_base + LVL2_CLK_GATE_OVRA);
603 	fence_udelay(1, clk_base);
604 }
605 
tegra210_vic_mbist_war(struct tegra210_domain_mbist_war * mbist)606 static void tegra210_vic_mbist_war(struct tegra210_domain_mbist_war *mbist)
607 {
608 	u32 ovre, val;
609 
610 	ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE);
611 	writel_relaxed(ovre | BIT(5), clk_base + LVL2_CLK_GATE_OVRE);
612 	fence_udelay(1, clk_base);
613 
614 	val = readl_relaxed(vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
615 	writel_relaxed(val | BIT(0) | GENMASK(7, 2) | BIT(24),
616 			vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
617 	fence_udelay(1, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
618 
619 	writel_relaxed(val, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
620 	readl(vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
621 
622 	writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE);
623 	fence_udelay(1, clk_base);
624 }
625 
tegra210_ape_mbist_war(struct tegra210_domain_mbist_war * mbist)626 static void tegra210_ape_mbist_war(struct tegra210_domain_mbist_war *mbist)
627 {
628 	void __iomem *i2s_base;
629 	unsigned int i;
630 	u32 ovrc, ovre;
631 
632 	ovrc = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRC);
633 	ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE);
634 	writel_relaxed(ovrc | BIT(1), clk_base + LVL2_CLK_GATE_OVRC);
635 	writel_relaxed(ovre | BIT(10) | BIT(11),
636 			clk_base + LVL2_CLK_GATE_OVRE);
637 	fence_udelay(1, clk_base);
638 
639 	i2s_base = ahub_base + TEGRA210_I2S_BASE;
640 
641 	for (i = 0; i < TEGRA210_I2S_CTRLS; i++) {
642 		u32 i2s_ctrl;
643 
644 		i2s_ctrl = readl_relaxed(i2s_base + TEGRA210_I2S_CTRL);
645 		writel_relaxed(i2s_ctrl | BIT(10),
646 				i2s_base + TEGRA210_I2S_CTRL);
647 		writel_relaxed(0, i2s_base + TEGRA210_I2S_CG);
648 		readl(i2s_base + TEGRA210_I2S_CG);
649 		writel_relaxed(1, i2s_base + TEGRA210_I2S_CG);
650 		writel_relaxed(i2s_ctrl, i2s_base + TEGRA210_I2S_CTRL);
651 		readl(i2s_base + TEGRA210_I2S_CTRL);
652 
653 		i2s_base += TEGRA210_I2S_SIZE;
654 	}
655 
656 	writel_relaxed(ovrc, clk_base + LVL2_CLK_GATE_OVRC);
657 	writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE);
658 	fence_udelay(1, clk_base);
659 }
660 
_pll_misc_chk_default(void __iomem * base,struct tegra_clk_pll_params * params,u8 misc_num,u32 default_val,u32 mask)661 static inline void _pll_misc_chk_default(void __iomem *base,
662 					struct tegra_clk_pll_params *params,
663 					u8 misc_num, u32 default_val, u32 mask)
664 {
665 	u32 boot_val = readl_relaxed(base + params->ext_misc_reg[misc_num]);
666 
667 	boot_val &= mask;
668 	default_val &= mask;
669 	if (boot_val != default_val) {
670 		pr_warn("boot misc%d 0x%x: expected 0x%x\n",
671 			misc_num, boot_val, default_val);
672 		pr_warn(" (comparison mask = 0x%x)\n", mask);
673 		params->defaults_set = false;
674 	}
675 }
676 
677 /*
678  * PLLCX: PLLC, PLLC2, PLLC3, PLLA1
679  * Hybrid PLLs with dynamic ramp. Dynamic ramp is allowed for any transition
680  * that changes NDIV only, while PLL is already locked.
681  */
pllcx_check_defaults(struct tegra_clk_pll_params * params)682 static void pllcx_check_defaults(struct tegra_clk_pll_params *params)
683 {
684 	u32 default_val;
685 
686 	default_val = PLLCX_MISC0_DEFAULT_VALUE & (~PLLCX_MISC0_RESET);
687 	_pll_misc_chk_default(clk_base, params, 0, default_val,
688 			PLLCX_MISC0_WRITE_MASK);
689 
690 	default_val = PLLCX_MISC1_DEFAULT_VALUE & (~PLLCX_MISC1_IDDQ);
691 	_pll_misc_chk_default(clk_base, params, 1, default_val,
692 			PLLCX_MISC1_WRITE_MASK);
693 
694 	default_val = PLLCX_MISC2_DEFAULT_VALUE;
695 	_pll_misc_chk_default(clk_base, params, 2, default_val,
696 			PLLCX_MISC2_WRITE_MASK);
697 
698 	default_val = PLLCX_MISC3_DEFAULT_VALUE;
699 	_pll_misc_chk_default(clk_base, params, 3, default_val,
700 			PLLCX_MISC3_WRITE_MASK);
701 }
702 
tegra210_pllcx_set_defaults(const char * name,struct tegra_clk_pll * pllcx)703 static void tegra210_pllcx_set_defaults(const char *name,
704 					struct tegra_clk_pll *pllcx)
705 {
706 	pllcx->params->defaults_set = true;
707 
708 	if (readl_relaxed(clk_base + pllcx->params->base_reg) & PLL_ENABLE) {
709 		/* PLL is ON: only check if defaults already set */
710 		pllcx_check_defaults(pllcx->params);
711 		if (!pllcx->params->defaults_set)
712 			pr_warn("%s already enabled. Postponing set full defaults\n",
713 				name);
714 		return;
715 	}
716 
717 	/* Defaults assert PLL reset, and set IDDQ */
718 	writel_relaxed(PLLCX_MISC0_DEFAULT_VALUE,
719 			clk_base + pllcx->params->ext_misc_reg[0]);
720 	writel_relaxed(PLLCX_MISC1_DEFAULT_VALUE,
721 			clk_base + pllcx->params->ext_misc_reg[1]);
722 	writel_relaxed(PLLCX_MISC2_DEFAULT_VALUE,
723 			clk_base + pllcx->params->ext_misc_reg[2]);
724 	writel_relaxed(PLLCX_MISC3_DEFAULT_VALUE,
725 			clk_base + pllcx->params->ext_misc_reg[3]);
726 	udelay(1);
727 }
728 
_pllc_set_defaults(struct tegra_clk_pll * pllcx)729 static void _pllc_set_defaults(struct tegra_clk_pll *pllcx)
730 {
731 	tegra210_pllcx_set_defaults("PLL_C", pllcx);
732 }
733 
_pllc2_set_defaults(struct tegra_clk_pll * pllcx)734 static void _pllc2_set_defaults(struct tegra_clk_pll *pllcx)
735 {
736 	tegra210_pllcx_set_defaults("PLL_C2", pllcx);
737 }
738 
_pllc3_set_defaults(struct tegra_clk_pll * pllcx)739 static void _pllc3_set_defaults(struct tegra_clk_pll *pllcx)
740 {
741 	tegra210_pllcx_set_defaults("PLL_C3", pllcx);
742 }
743 
_plla1_set_defaults(struct tegra_clk_pll * pllcx)744 static void _plla1_set_defaults(struct tegra_clk_pll *pllcx)
745 {
746 	tegra210_pllcx_set_defaults("PLL_A1", pllcx);
747 }
748 
749 /*
750  * PLLA
751  * PLL with dynamic ramp and fractional SDM. Dynamic ramp is not used.
752  * Fractional SDM is allowed to provide exact audio rates.
753  */
tegra210_plla_set_defaults(struct tegra_clk_pll * plla)754 static void tegra210_plla_set_defaults(struct tegra_clk_pll *plla)
755 {
756 	u32 mask;
757 	u32 val = readl_relaxed(clk_base + plla->params->base_reg);
758 
759 	plla->params->defaults_set = true;
760 
761 	if (val & PLL_ENABLE) {
762 		/*
763 		 * PLL is ON: check if defaults already set, then set those
764 		 * that can be updated in flight.
765 		 */
766 		if (val & PLLA_BASE_IDDQ) {
767 			pr_warn("PLL_A boot enabled with IDDQ set\n");
768 			plla->params->defaults_set = false;
769 		}
770 
771 		pr_warn("PLL_A already enabled. Postponing set full defaults\n");
772 
773 		val = PLLA_MISC0_DEFAULT_VALUE;	/* ignore lock enable */
774 		mask = PLLA_MISC0_LOCK_ENABLE | PLLA_MISC0_LOCK_OVERRIDE;
775 		_pll_misc_chk_default(clk_base, plla->params, 0, val,
776 				~mask & PLLA_MISC0_WRITE_MASK);
777 
778 		val = PLLA_MISC2_DEFAULT_VALUE; /* ignore all but control bit */
779 		_pll_misc_chk_default(clk_base, plla->params, 2, val,
780 				PLLA_MISC2_EN_DYNRAMP);
781 
782 		/* Enable lock detect */
783 		val = readl_relaxed(clk_base + plla->params->ext_misc_reg[0]);
784 		val &= ~mask;
785 		val |= PLLA_MISC0_DEFAULT_VALUE & mask;
786 		writel_relaxed(val, clk_base + plla->params->ext_misc_reg[0]);
787 		udelay(1);
788 
789 		return;
790 	}
791 
792 	/* set IDDQ, enable lock detect, disable dynamic ramp and SDM */
793 	val |= PLLA_BASE_IDDQ;
794 	writel_relaxed(val, clk_base + plla->params->base_reg);
795 	writel_relaxed(PLLA_MISC0_DEFAULT_VALUE,
796 			clk_base + plla->params->ext_misc_reg[0]);
797 	writel_relaxed(PLLA_MISC2_DEFAULT_VALUE,
798 			clk_base + plla->params->ext_misc_reg[2]);
799 	udelay(1);
800 }
801 
802 /*
803  * PLLD
804  * PLL with fractional SDM.
805  */
tegra210_plld_set_defaults(struct tegra_clk_pll * plld)806 static void tegra210_plld_set_defaults(struct tegra_clk_pll *plld)
807 {
808 	u32 val;
809 	u32 mask = 0xffff;
810 
811 	plld->params->defaults_set = true;
812 
813 	if (readl_relaxed(clk_base + plld->params->base_reg) &
814 			PLL_ENABLE) {
815 
816 		/*
817 		 * PLL is ON: check if defaults already set, then set those
818 		 * that can be updated in flight.
819 		 */
820 		val = PLLD_MISC1_DEFAULT_VALUE;
821 		_pll_misc_chk_default(clk_base, plld->params, 1,
822 				val, PLLD_MISC1_WRITE_MASK);
823 
824 		/* ignore lock, DSI and SDM controls, make sure IDDQ not set */
825 		val = PLLD_MISC0_DEFAULT_VALUE & (~PLLD_MISC0_IDDQ);
826 		mask |= PLLD_MISC0_DSI_CLKENABLE | PLLD_MISC0_LOCK_ENABLE |
827 			PLLD_MISC0_LOCK_OVERRIDE | PLLD_MISC0_EN_SDM;
828 		_pll_misc_chk_default(clk_base, plld->params, 0, val,
829 				~mask & PLLD_MISC0_WRITE_MASK);
830 
831 		if (!plld->params->defaults_set)
832 			pr_warn("PLL_D already enabled. Postponing set full defaults\n");
833 
834 		/* Enable lock detect */
835 		mask = PLLD_MISC0_LOCK_ENABLE | PLLD_MISC0_LOCK_OVERRIDE;
836 		val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
837 		val &= ~mask;
838 		val |= PLLD_MISC0_DEFAULT_VALUE & mask;
839 		writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
840 		udelay(1);
841 
842 		return;
843 	}
844 
845 	val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
846 	val &= PLLD_MISC0_DSI_CLKENABLE;
847 	val |= PLLD_MISC0_DEFAULT_VALUE;
848 	/* set IDDQ, enable lock detect, disable SDM */
849 	writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
850 	writel_relaxed(PLLD_MISC1_DEFAULT_VALUE, clk_base +
851 			plld->params->ext_misc_reg[1]);
852 	udelay(1);
853 }
854 
855 /*
856  * PLLD2, PLLDP
857  * PLL with fractional SDM and Spread Spectrum (SDM is a must if SSC is used).
858  */
plldss_defaults(const char * pll_name,struct tegra_clk_pll * plldss,u32 misc0_val,u32 misc1_val,u32 misc2_val,u32 misc3_val)859 static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss,
860 		u32 misc0_val, u32 misc1_val, u32 misc2_val, u32 misc3_val)
861 {
862 	u32 default_val;
863 	u32 val = readl_relaxed(clk_base + plldss->params->base_reg);
864 
865 	plldss->params->defaults_set = true;
866 
867 	if (val & PLL_ENABLE) {
868 
869 		/*
870 		 * PLL is ON: check if defaults already set, then set those
871 		 * that can be updated in flight.
872 		 */
873 		if (val & PLLDSS_BASE_IDDQ) {
874 			pr_warn("plldss boot enabled with IDDQ set\n");
875 			plldss->params->defaults_set = false;
876 		}
877 
878 		/* ignore lock enable */
879 		default_val = misc0_val;
880 		_pll_misc_chk_default(clk_base, plldss->params, 0, default_val,
881 				     PLLDSS_MISC0_WRITE_MASK &
882 				     (~PLLDSS_MISC0_LOCK_ENABLE));
883 
884 		/*
885 		 * If SSC is used, check all settings, otherwise just confirm
886 		 * that SSC is not used on boot as well. Do nothing when using
887 		 * this function for PLLC4 that has only MISC0.
888 		 */
889 		if (plldss->params->ssc_ctrl_en_mask) {
890 			default_val = misc1_val;
891 			_pll_misc_chk_default(clk_base, plldss->params, 1,
892 				default_val, PLLDSS_MISC1_CFG_WRITE_MASK);
893 			default_val = misc2_val;
894 			_pll_misc_chk_default(clk_base, plldss->params, 2,
895 				default_val, PLLDSS_MISC2_CTRL1_WRITE_MASK);
896 			default_val = misc3_val;
897 			_pll_misc_chk_default(clk_base, plldss->params, 3,
898 				default_val, PLLDSS_MISC3_CTRL2_WRITE_MASK);
899 		} else if (plldss->params->ext_misc_reg[1]) {
900 			default_val = misc1_val;
901 			_pll_misc_chk_default(clk_base, plldss->params, 1,
902 				default_val, PLLDSS_MISC1_CFG_WRITE_MASK &
903 				(~PLLDSS_MISC1_CFG_EN_SDM));
904 		}
905 
906 		if (!plldss->params->defaults_set)
907 			pr_warn("%s already enabled. Postponing set full defaults\n",
908 				 pll_name);
909 
910 		/* Enable lock detect */
911 		if (val & PLLDSS_BASE_LOCK_OVERRIDE) {
912 			val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
913 			writel_relaxed(val, clk_base +
914 					plldss->params->base_reg);
915 		}
916 
917 		val = readl_relaxed(clk_base + plldss->params->ext_misc_reg[0]);
918 		val &= ~PLLDSS_MISC0_LOCK_ENABLE;
919 		val |= misc0_val & PLLDSS_MISC0_LOCK_ENABLE;
920 		writel_relaxed(val, clk_base + plldss->params->ext_misc_reg[0]);
921 		udelay(1);
922 
923 		return;
924 	}
925 
926 	/* set IDDQ, enable lock detect, configure SDM/SSC  */
927 	val |= PLLDSS_BASE_IDDQ;
928 	val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
929 	writel_relaxed(val, clk_base + plldss->params->base_reg);
930 
931 	/* When using this function for PLLC4 exit here */
932 	if (!plldss->params->ext_misc_reg[1]) {
933 		writel_relaxed(misc0_val, clk_base +
934 				plldss->params->ext_misc_reg[0]);
935 		udelay(1);
936 		return;
937 	}
938 
939 	writel_relaxed(misc0_val, clk_base +
940 			plldss->params->ext_misc_reg[0]);
941 	/* if SSC used set by 1st enable */
942 	writel_relaxed(misc1_val & (~PLLDSS_MISC1_CFG_EN_SSC),
943 			clk_base + plldss->params->ext_misc_reg[1]);
944 	writel_relaxed(misc2_val, clk_base + plldss->params->ext_misc_reg[2]);
945 	writel_relaxed(misc3_val, clk_base + plldss->params->ext_misc_reg[3]);
946 	udelay(1);
947 }
948 
tegra210_plld2_set_defaults(struct tegra_clk_pll * plld2)949 static void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2)
950 {
951 	plldss_defaults("PLL_D2", plld2, PLLD2_MISC0_DEFAULT_VALUE,
952 			PLLD2_MISC1_CFG_DEFAULT_VALUE,
953 			PLLD2_MISC2_CTRL1_DEFAULT_VALUE,
954 			PLLD2_MISC3_CTRL2_DEFAULT_VALUE);
955 }
956 
tegra210_plldp_set_defaults(struct tegra_clk_pll * plldp)957 static void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp)
958 {
959 	plldss_defaults("PLL_DP", plldp, PLLDP_MISC0_DEFAULT_VALUE,
960 			PLLDP_MISC1_CFG_DEFAULT_VALUE,
961 			PLLDP_MISC2_CTRL1_DEFAULT_VALUE,
962 			PLLDP_MISC3_CTRL2_DEFAULT_VALUE);
963 }
964 
965 /*
966  * PLLC4
967  * Base and misc0 layout is the same as PLLD2/PLLDP, but no SDM/SSC support.
968  * VCO is exposed to the clock tree via fixed 1/3 and 1/5 dividers.
969  */
tegra210_pllc4_set_defaults(struct tegra_clk_pll * pllc4)970 static void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4)
971 {
972 	plldss_defaults("PLL_C4", pllc4, PLLC4_MISC0_DEFAULT_VALUE, 0, 0, 0);
973 }
974 
975 /*
976  * PLLRE
977  * VCO is exposed to the clock tree directly along with post-divider output
978  */
tegra210_pllre_set_defaults(struct tegra_clk_pll * pllre)979 static void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre)
980 {
981 	u32 mask;
982 	u32 val = readl_relaxed(clk_base + pllre->params->base_reg);
983 
984 	pllre->params->defaults_set = true;
985 
986 	if (val & PLL_ENABLE) {
987 		/*
988 		 * PLL is ON: check if defaults already set, then set those
989 		 * that can be updated in flight.
990 		 */
991 		val &= PLLRE_BASE_DEFAULT_MASK;
992 		if (val != PLLRE_BASE_DEFAULT_VALUE) {
993 			pr_warn("pllre boot base 0x%x : expected 0x%x\n",
994 				val, PLLRE_BASE_DEFAULT_VALUE);
995 			pr_warn("(comparison mask = 0x%x)\n",
996 				PLLRE_BASE_DEFAULT_MASK);
997 			pllre->params->defaults_set = false;
998 		}
999 
1000 		/* Ignore lock enable */
1001 		val = PLLRE_MISC0_DEFAULT_VALUE & (~PLLRE_MISC0_IDDQ);
1002 		mask = PLLRE_MISC0_LOCK_ENABLE | PLLRE_MISC0_LOCK_OVERRIDE;
1003 		_pll_misc_chk_default(clk_base, pllre->params, 0, val,
1004 				~mask & PLLRE_MISC0_WRITE_MASK);
1005 
1006 		/* The PLL doesn't work if it's in IDDQ. */
1007 		val = readl_relaxed(clk_base + pllre->params->ext_misc_reg[0]);
1008 		if (val & PLLRE_MISC0_IDDQ)
1009 			pr_warn("unexpected IDDQ bit set for enabled clock\n");
1010 
1011 		/* Enable lock detect */
1012 		val &= ~mask;
1013 		val |= PLLRE_MISC0_DEFAULT_VALUE & mask;
1014 		writel_relaxed(val, clk_base + pllre->params->ext_misc_reg[0]);
1015 		udelay(1);
1016 
1017 		if (!pllre->params->defaults_set)
1018 			pr_warn("PLL_RE already enabled. Postponing set full defaults\n");
1019 
1020 		return;
1021 	}
1022 
1023 	/* set IDDQ, enable lock detect */
1024 	val &= ~PLLRE_BASE_DEFAULT_MASK;
1025 	val |= PLLRE_BASE_DEFAULT_VALUE & PLLRE_BASE_DEFAULT_MASK;
1026 	writel_relaxed(val, clk_base + pllre->params->base_reg);
1027 	writel_relaxed(PLLRE_MISC0_DEFAULT_VALUE,
1028 			clk_base + pllre->params->ext_misc_reg[0]);
1029 	udelay(1);
1030 }
1031 
pllx_get_dyn_steps(struct clk_hw * hw,u32 * step_a,u32 * step_b)1032 static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b)
1033 {
1034 	unsigned long input_rate;
1035 
1036 	/* cf rate */
1037 	if (!IS_ERR_OR_NULL(hw->clk))
1038 		input_rate = clk_hw_get_rate(clk_hw_get_parent(hw));
1039 	else
1040 		input_rate = 38400000;
1041 
1042 	input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate);
1043 
1044 	switch (input_rate) {
1045 	case 12000000:
1046 	case 12800000:
1047 	case 13000000:
1048 		*step_a = 0x2B;
1049 		*step_b = 0x0B;
1050 		return;
1051 	case 19200000:
1052 		*step_a = 0x12;
1053 		*step_b = 0x08;
1054 		return;
1055 	case 38400000:
1056 		*step_a = 0x04;
1057 		*step_b = 0x05;
1058 		return;
1059 	default:
1060 		pr_err("%s: Unexpected reference rate %lu\n",
1061 			__func__, input_rate);
1062 		BUG();
1063 	}
1064 }
1065 
pllx_check_defaults(struct tegra_clk_pll * pll)1066 static void pllx_check_defaults(struct tegra_clk_pll *pll)
1067 {
1068 	u32 default_val;
1069 
1070 	default_val = PLLX_MISC0_DEFAULT_VALUE;
1071 	/* ignore lock enable */
1072 	_pll_misc_chk_default(clk_base, pll->params, 0, default_val,
1073 			PLLX_MISC0_WRITE_MASK & (~PLLX_MISC0_LOCK_ENABLE));
1074 
1075 	default_val = PLLX_MISC1_DEFAULT_VALUE;
1076 	_pll_misc_chk_default(clk_base, pll->params, 1, default_val,
1077 			PLLX_MISC1_WRITE_MASK);
1078 
1079 	/* ignore all but control bit */
1080 	default_val = PLLX_MISC2_DEFAULT_VALUE;
1081 	_pll_misc_chk_default(clk_base, pll->params, 2,
1082 			default_val, PLLX_MISC2_EN_DYNRAMP);
1083 
1084 	default_val = PLLX_MISC3_DEFAULT_VALUE & (~PLLX_MISC3_IDDQ);
1085 	_pll_misc_chk_default(clk_base, pll->params, 3, default_val,
1086 			PLLX_MISC3_WRITE_MASK);
1087 
1088 	default_val = PLLX_MISC4_DEFAULT_VALUE;
1089 	_pll_misc_chk_default(clk_base, pll->params, 4, default_val,
1090 			PLLX_MISC4_WRITE_MASK);
1091 
1092 	default_val = PLLX_MISC5_DEFAULT_VALUE;
1093 	_pll_misc_chk_default(clk_base, pll->params, 5, default_val,
1094 			PLLX_MISC5_WRITE_MASK);
1095 }
1096 
tegra210_pllx_set_defaults(struct tegra_clk_pll * pllx)1097 static void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx)
1098 {
1099 	u32 val;
1100 	u32 step_a, step_b;
1101 
1102 	pllx->params->defaults_set = true;
1103 
1104 	/* Get ready dyn ramp state machine settings */
1105 	pllx_get_dyn_steps(&pllx->hw, &step_a, &step_b);
1106 	val = PLLX_MISC2_DEFAULT_VALUE & (~PLLX_MISC2_DYNRAMP_STEPA_MASK) &
1107 		(~PLLX_MISC2_DYNRAMP_STEPB_MASK);
1108 	val |= step_a << PLLX_MISC2_DYNRAMP_STEPA_SHIFT;
1109 	val |= step_b << PLLX_MISC2_DYNRAMP_STEPB_SHIFT;
1110 
1111 	if (readl_relaxed(clk_base + pllx->params->base_reg) & PLL_ENABLE) {
1112 
1113 		/*
1114 		 * PLL is ON: check if defaults already set, then set those
1115 		 * that can be updated in flight.
1116 		 */
1117 		pllx_check_defaults(pllx);
1118 
1119 		if (!pllx->params->defaults_set)
1120 			pr_warn("PLL_X already enabled. Postponing set full defaults\n");
1121 		/* Configure dyn ramp, disable lock override */
1122 		writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1123 
1124 		/* Enable lock detect */
1125 		val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[0]);
1126 		val &= ~PLLX_MISC0_LOCK_ENABLE;
1127 		val |= PLLX_MISC0_DEFAULT_VALUE & PLLX_MISC0_LOCK_ENABLE;
1128 		writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[0]);
1129 		udelay(1);
1130 
1131 		return;
1132 	}
1133 
1134 	/* Enable lock detect and CPU output */
1135 	writel_relaxed(PLLX_MISC0_DEFAULT_VALUE, clk_base +
1136 			pllx->params->ext_misc_reg[0]);
1137 
1138 	/* Setup */
1139 	writel_relaxed(PLLX_MISC1_DEFAULT_VALUE, clk_base +
1140 			pllx->params->ext_misc_reg[1]);
1141 
1142 	/* Configure dyn ramp state machine, disable lock override */
1143 	writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1144 
1145 	/* Set IDDQ */
1146 	writel_relaxed(PLLX_MISC3_DEFAULT_VALUE, clk_base +
1147 			pllx->params->ext_misc_reg[3]);
1148 
1149 	/* Disable SDM */
1150 	writel_relaxed(PLLX_MISC4_DEFAULT_VALUE, clk_base +
1151 			pllx->params->ext_misc_reg[4]);
1152 	writel_relaxed(PLLX_MISC5_DEFAULT_VALUE, clk_base +
1153 			pllx->params->ext_misc_reg[5]);
1154 	udelay(1);
1155 }
1156 
1157 /* PLLMB */
tegra210_pllmb_set_defaults(struct tegra_clk_pll * pllmb)1158 static void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb)
1159 {
1160 	u32 mask, val = readl_relaxed(clk_base + pllmb->params->base_reg);
1161 
1162 	pllmb->params->defaults_set = true;
1163 
1164 	if (val & PLL_ENABLE) {
1165 
1166 		/*
1167 		 * PLL is ON: check if defaults already set, then set those
1168 		 * that can be updated in flight.
1169 		 */
1170 		val = PLLMB_MISC1_DEFAULT_VALUE & (~PLLMB_MISC1_IDDQ);
1171 		mask = PLLMB_MISC1_LOCK_ENABLE | PLLMB_MISC1_LOCK_OVERRIDE;
1172 		_pll_misc_chk_default(clk_base, pllmb->params, 0, val,
1173 				~mask & PLLMB_MISC1_WRITE_MASK);
1174 
1175 		if (!pllmb->params->defaults_set)
1176 			pr_warn("PLL_MB already enabled. Postponing set full defaults\n");
1177 		/* Enable lock detect */
1178 		val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]);
1179 		val &= ~mask;
1180 		val |= PLLMB_MISC1_DEFAULT_VALUE & mask;
1181 		writel_relaxed(val, clk_base + pllmb->params->ext_misc_reg[0]);
1182 		udelay(1);
1183 
1184 		return;
1185 	}
1186 
1187 	/* set IDDQ, enable lock detect */
1188 	writel_relaxed(PLLMB_MISC1_DEFAULT_VALUE,
1189 			clk_base + pllmb->params->ext_misc_reg[0]);
1190 	udelay(1);
1191 }
1192 
1193 /*
1194  * PLLP
1195  * VCO is exposed to the clock tree directly along with post-divider output.
1196  * Both VCO and post-divider output rates are fixed at 408MHz and 204MHz,
1197  * respectively.
1198  */
pllp_check_defaults(struct tegra_clk_pll * pll,bool enabled)1199 static void pllp_check_defaults(struct tegra_clk_pll *pll, bool enabled)
1200 {
1201 	u32 val, mask;
1202 
1203 	/* Ignore lock enable (will be set), make sure not in IDDQ if enabled */
1204 	val = PLLP_MISC0_DEFAULT_VALUE & (~PLLP_MISC0_IDDQ);
1205 	mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
1206 	if (!enabled)
1207 		mask |= PLLP_MISC0_IDDQ;
1208 	_pll_misc_chk_default(clk_base, pll->params, 0, val,
1209 			~mask & PLLP_MISC0_WRITE_MASK);
1210 
1211 	/* Ignore branch controls */
1212 	val = PLLP_MISC1_DEFAULT_VALUE;
1213 	mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
1214 	_pll_misc_chk_default(clk_base, pll->params, 1, val,
1215 			~mask & PLLP_MISC1_WRITE_MASK);
1216 }
1217 
tegra210_pllp_set_defaults(struct tegra_clk_pll * pllp)1218 static void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp)
1219 {
1220 	u32 mask;
1221 	u32 val = readl_relaxed(clk_base + pllp->params->base_reg);
1222 
1223 	pllp->params->defaults_set = true;
1224 
1225 	if (val & PLL_ENABLE) {
1226 
1227 		/*
1228 		 * PLL is ON: check if defaults already set, then set those
1229 		 * that can be updated in flight.
1230 		 */
1231 		pllp_check_defaults(pllp, true);
1232 		if (!pllp->params->defaults_set)
1233 			pr_warn("PLL_P already enabled. Postponing set full defaults\n");
1234 
1235 		/* Enable lock detect */
1236 		val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[0]);
1237 		mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
1238 		val &= ~mask;
1239 		val |= PLLP_MISC0_DEFAULT_VALUE & mask;
1240 		writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[0]);
1241 		udelay(1);
1242 
1243 		return;
1244 	}
1245 
1246 	/* set IDDQ, enable lock detect */
1247 	writel_relaxed(PLLP_MISC0_DEFAULT_VALUE,
1248 			clk_base + pllp->params->ext_misc_reg[0]);
1249 
1250 	/* Preserve branch control */
1251 	val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[1]);
1252 	mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
1253 	val &= mask;
1254 	val |= ~mask & PLLP_MISC1_DEFAULT_VALUE;
1255 	writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[1]);
1256 	udelay(1);
1257 }
1258 
1259 /*
1260  * PLLU
1261  * VCO is exposed to the clock tree directly along with post-divider output.
1262  * Both VCO and post-divider output rates are fixed at 480MHz and 240MHz,
1263  * respectively.
1264  */
pllu_check_defaults(struct tegra_clk_pll_params * params,bool hw_control)1265 static void pllu_check_defaults(struct tegra_clk_pll_params *params,
1266 				bool hw_control)
1267 {
1268 	u32 val, mask;
1269 
1270 	/* Ignore lock enable (will be set) and IDDQ if under h/w control */
1271 	val = PLLU_MISC0_DEFAULT_VALUE & (~PLLU_MISC0_IDDQ);
1272 	mask = PLLU_MISC0_LOCK_ENABLE | (hw_control ? PLLU_MISC0_IDDQ : 0);
1273 	_pll_misc_chk_default(clk_base, params, 0, val,
1274 			~mask & PLLU_MISC0_WRITE_MASK);
1275 
1276 	val = PLLU_MISC1_DEFAULT_VALUE;
1277 	mask = PLLU_MISC1_LOCK_OVERRIDE;
1278 	_pll_misc_chk_default(clk_base, params, 1, val,
1279 			~mask & PLLU_MISC1_WRITE_MASK);
1280 }
1281 
tegra210_pllu_set_defaults(struct tegra_clk_pll_params * pllu)1282 static void tegra210_pllu_set_defaults(struct tegra_clk_pll_params *pllu)
1283 {
1284 	u32 val = readl_relaxed(clk_base + pllu->base_reg);
1285 
1286 	pllu->defaults_set = true;
1287 
1288 	if (val & PLL_ENABLE) {
1289 
1290 		/*
1291 		 * PLL is ON: check if defaults already set, then set those
1292 		 * that can be updated in flight.
1293 		 */
1294 		pllu_check_defaults(pllu, false);
1295 		if (!pllu->defaults_set)
1296 			pr_warn("PLL_U already enabled. Postponing set full defaults\n");
1297 
1298 		/* Enable lock detect */
1299 		val = readl_relaxed(clk_base + pllu->ext_misc_reg[0]);
1300 		val &= ~PLLU_MISC0_LOCK_ENABLE;
1301 		val |= PLLU_MISC0_DEFAULT_VALUE & PLLU_MISC0_LOCK_ENABLE;
1302 		writel_relaxed(val, clk_base + pllu->ext_misc_reg[0]);
1303 
1304 		val = readl_relaxed(clk_base + pllu->ext_misc_reg[1]);
1305 		val &= ~PLLU_MISC1_LOCK_OVERRIDE;
1306 		val |= PLLU_MISC1_DEFAULT_VALUE & PLLU_MISC1_LOCK_OVERRIDE;
1307 		writel_relaxed(val, clk_base + pllu->ext_misc_reg[1]);
1308 		udelay(1);
1309 
1310 		return;
1311 	}
1312 
1313 	/* set IDDQ, enable lock detect */
1314 	writel_relaxed(PLLU_MISC0_DEFAULT_VALUE,
1315 			clk_base + pllu->ext_misc_reg[0]);
1316 	writel_relaxed(PLLU_MISC1_DEFAULT_VALUE,
1317 			clk_base + pllu->ext_misc_reg[1]);
1318 	udelay(1);
1319 }
1320 
1321 #define mask(w) ((1 << (w)) - 1)
1322 #define divm_mask(p) mask(p->params->div_nmp->divm_width)
1323 #define divn_mask(p) mask(p->params->div_nmp->divn_width)
1324 #define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\
1325 		      mask(p->params->div_nmp->divp_width))
1326 
1327 #define divm_shift(p) ((p)->params->div_nmp->divm_shift)
1328 #define divn_shift(p) ((p)->params->div_nmp->divn_shift)
1329 #define divp_shift(p) ((p)->params->div_nmp->divp_shift)
1330 
1331 #define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p))
1332 #define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p))
1333 #define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p))
1334 
1335 #define PLL_LOCKDET_DELAY 2	/* Lock detection safety delays */
tegra210_wait_for_mask(struct tegra_clk_pll * pll,u32 reg,u32 mask)1336 static int tegra210_wait_for_mask(struct tegra_clk_pll *pll,
1337 				  u32 reg, u32 mask)
1338 {
1339 	int i;
1340 	u32 val = 0;
1341 
1342 	for (i = 0; i < pll->params->lock_delay / PLL_LOCKDET_DELAY + 1; i++) {
1343 		udelay(PLL_LOCKDET_DELAY);
1344 		val = readl_relaxed(clk_base + reg);
1345 		if ((val & mask) == mask) {
1346 			udelay(PLL_LOCKDET_DELAY);
1347 			return 0;
1348 		}
1349 	}
1350 	return -ETIMEDOUT;
1351 }
1352 
tegra210_pllx_dyn_ramp(struct tegra_clk_pll * pllx,struct tegra_clk_pll_freq_table * cfg)1353 static int tegra210_pllx_dyn_ramp(struct tegra_clk_pll *pllx,
1354 		struct tegra_clk_pll_freq_table *cfg)
1355 {
1356 	u32 val, base, ndiv_new_mask;
1357 
1358 	ndiv_new_mask = (divn_mask(pllx) >> pllx->params->div_nmp->divn_shift)
1359 			 << PLLX_MISC2_NDIV_NEW_SHIFT;
1360 
1361 	val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1362 	val &= (~ndiv_new_mask);
1363 	val |= cfg->n << PLLX_MISC2_NDIV_NEW_SHIFT;
1364 	writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1365 	udelay(1);
1366 
1367 	val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1368 	val |= PLLX_MISC2_EN_DYNRAMP;
1369 	writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1370 	udelay(1);
1371 
1372 	tegra210_wait_for_mask(pllx, pllx->params->ext_misc_reg[2],
1373 			       PLLX_MISC2_DYNRAMP_DONE);
1374 
1375 	base = readl_relaxed(clk_base + pllx->params->base_reg) &
1376 		(~divn_mask_shifted(pllx));
1377 	base |= cfg->n << pllx->params->div_nmp->divn_shift;
1378 	writel_relaxed(base, clk_base + pllx->params->base_reg);
1379 	udelay(1);
1380 
1381 	val &= ~PLLX_MISC2_EN_DYNRAMP;
1382 	writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1383 	udelay(1);
1384 
1385 	pr_debug("%s: dynamic ramp to m = %u n = %u p = %u, Fout = %lu kHz\n",
1386 		 __clk_get_name(pllx->hw.clk), cfg->m, cfg->n, cfg->p,
1387 		 cfg->input_rate / cfg->m * cfg->n /
1388 		 pllx->params->pdiv_tohw[cfg->p].pdiv / 1000);
1389 
1390 	return 0;
1391 }
1392 
1393 /*
1394  * Common configuration for PLLs with fixed input divider policy:
1395  * - always set fixed M-value based on the reference rate
1396  * - always set P-value value 1:1 for output rates above VCO minimum, and
1397  *   choose minimum necessary P-value for output rates below VCO maximum
1398  * - calculate N-value based on selected M and P
1399  * - calculate SDM_DIN fractional part
1400  */
tegra210_pll_fixed_mdiv_cfg(struct clk_hw * hw,struct tegra_clk_pll_freq_table * cfg,unsigned long rate,unsigned long input_rate)1401 static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw,
1402 			       struct tegra_clk_pll_freq_table *cfg,
1403 			       unsigned long rate, unsigned long input_rate)
1404 {
1405 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1406 	struct tegra_clk_pll_params *params = pll->params;
1407 	int p;
1408 	unsigned long cf, p_rate;
1409 	u32 pdiv;
1410 
1411 	if (!rate)
1412 		return -EINVAL;
1413 
1414 	if (!(params->flags & TEGRA_PLL_VCO_OUT)) {
1415 		p = DIV_ROUND_UP(params->vco_min, rate);
1416 		p = params->round_p_to_pdiv(p, &pdiv);
1417 	} else {
1418 		p = rate >= params->vco_min ? 1 : -EINVAL;
1419 	}
1420 
1421 	if (p < 0)
1422 		return -EINVAL;
1423 
1424 	cfg->m = tegra_pll_get_fixed_mdiv(hw, input_rate);
1425 	cfg->p = p;
1426 
1427 	/* Store P as HW value, as that is what is expected */
1428 	cfg->p = tegra_pll_p_div_to_hw(pll, cfg->p);
1429 
1430 	p_rate = rate * p;
1431 	if (p_rate > params->vco_max)
1432 		p_rate = params->vco_max;
1433 	cf = input_rate / cfg->m;
1434 	cfg->n = p_rate / cf;
1435 
1436 	cfg->sdm_data = 0;
1437 	cfg->output_rate = input_rate;
1438 	if (params->sdm_ctrl_reg) {
1439 		unsigned long rem = p_rate - cf * cfg->n;
1440 		/* If ssc is enabled SDM enabled as well, even for integer n */
1441 		if (rem || params->ssc_ctrl_reg) {
1442 			u64 s = rem * PLL_SDM_COEFF;
1443 
1444 			do_div(s, cf);
1445 			s -= PLL_SDM_COEFF / 2;
1446 			cfg->sdm_data = sdin_din_to_data(s);
1447 		}
1448 		cfg->output_rate *= sdin_get_n_eff(cfg);
1449 		cfg->output_rate /= p * cfg->m * PLL_SDM_COEFF;
1450 	} else {
1451 		cfg->output_rate *= cfg->n;
1452 		cfg->output_rate /= p * cfg->m;
1453 	}
1454 
1455 	cfg->input_rate = input_rate;
1456 
1457 	return 0;
1458 }
1459 
1460 /*
1461  * clk_pll_set_gain - set gain to m, n to calculate correct VCO rate
1462  *
1463  * @cfg: struct tegra_clk_pll_freq_table * cfg
1464  *
1465  * For Normal mode:
1466  *     Fvco = Fref * NDIV / MDIV
1467  *
1468  * For fractional mode:
1469  *     Fvco = Fref * (NDIV + 0.5 + SDM_DIN / PLL_SDM_COEFF) / MDIV
1470  */
tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table * cfg)1471 static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg)
1472 {
1473 	cfg->n = sdin_get_n_eff(cfg);
1474 	cfg->m *= PLL_SDM_COEFF;
1475 }
1476 
1477 static unsigned long
tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params * params,unsigned long parent_rate)1478 tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params,
1479 			    unsigned long parent_rate)
1480 {
1481 	unsigned long vco_min = params->vco_min;
1482 
1483 	params->vco_min += DIV_ROUND_UP(parent_rate, PLL_SDM_COEFF);
1484 	vco_min = min(vco_min, params->vco_min);
1485 
1486 	return vco_min;
1487 }
1488 
1489 static struct div_nmp pllx_nmp = {
1490 	.divm_shift = 0,
1491 	.divm_width = 8,
1492 	.divn_shift = 8,
1493 	.divn_width = 8,
1494 	.divp_shift = 20,
1495 	.divp_width = 5,
1496 };
1497 /*
1498  * PLL post divider maps - two types: quasi-linear and exponential
1499  * post divider.
1500  */
1501 #define PLL_QLIN_PDIV_MAX	16
1502 static const struct pdiv_map pll_qlin_pdiv_to_hw[] = {
1503 	{ .pdiv =  1, .hw_val =  0 },
1504 	{ .pdiv =  2, .hw_val =  1 },
1505 	{ .pdiv =  3, .hw_val =  2 },
1506 	{ .pdiv =  4, .hw_val =  3 },
1507 	{ .pdiv =  5, .hw_val =  4 },
1508 	{ .pdiv =  6, .hw_val =  5 },
1509 	{ .pdiv =  8, .hw_val =  6 },
1510 	{ .pdiv =  9, .hw_val =  7 },
1511 	{ .pdiv = 10, .hw_val =  8 },
1512 	{ .pdiv = 12, .hw_val =  9 },
1513 	{ .pdiv = 15, .hw_val = 10 },
1514 	{ .pdiv = 16, .hw_val = 11 },
1515 	{ .pdiv = 18, .hw_val = 12 },
1516 	{ .pdiv = 20, .hw_val = 13 },
1517 	{ .pdiv = 24, .hw_val = 14 },
1518 	{ .pdiv = 30, .hw_val = 15 },
1519 	{ .pdiv = 32, .hw_val = 16 },
1520 };
1521 
pll_qlin_p_to_pdiv(u32 p,u32 * pdiv)1522 static u32 pll_qlin_p_to_pdiv(u32 p, u32 *pdiv)
1523 {
1524 	int i;
1525 
1526 	if (p) {
1527 		for (i = 0; i <= PLL_QLIN_PDIV_MAX; i++) {
1528 			if (p <= pll_qlin_pdiv_to_hw[i].pdiv) {
1529 				if (pdiv)
1530 					*pdiv = i;
1531 				return pll_qlin_pdiv_to_hw[i].pdiv;
1532 			}
1533 		}
1534 	}
1535 
1536 	return -EINVAL;
1537 }
1538 
1539 #define PLL_EXPO_PDIV_MAX	7
1540 static const struct pdiv_map pll_expo_pdiv_to_hw[] = {
1541 	{ .pdiv =   1, .hw_val = 0 },
1542 	{ .pdiv =   2, .hw_val = 1 },
1543 	{ .pdiv =   4, .hw_val = 2 },
1544 	{ .pdiv =   8, .hw_val = 3 },
1545 	{ .pdiv =  16, .hw_val = 4 },
1546 	{ .pdiv =  32, .hw_val = 5 },
1547 	{ .pdiv =  64, .hw_val = 6 },
1548 	{ .pdiv = 128, .hw_val = 7 },
1549 };
1550 
pll_expo_p_to_pdiv(u32 p,u32 * pdiv)1551 static u32 pll_expo_p_to_pdiv(u32 p, u32 *pdiv)
1552 {
1553 	if (p) {
1554 		u32 i = fls(p);
1555 
1556 		if (i == ffs(p))
1557 			i--;
1558 
1559 		if (i <= PLL_EXPO_PDIV_MAX) {
1560 			if (pdiv)
1561 				*pdiv = i;
1562 			return 1 << i;
1563 		}
1564 	}
1565 	return -EINVAL;
1566 }
1567 
1568 static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
1569 	/* 1 GHz */
1570 	{ 12000000, 1000000000, 166, 1, 2, 0 }, /* actual: 996.0 MHz */
1571 	{ 13000000, 1000000000, 153, 1, 2, 0 }, /* actual: 994.0 MHz */
1572 	{ 38400000, 1000000000, 156, 3, 2, 0 }, /* actual: 998.4 MHz */
1573 	{        0,          0,   0, 0, 0, 0 },
1574 };
1575 
1576 static struct tegra_clk_pll_params pll_x_params = {
1577 	.input_min = 12000000,
1578 	.input_max = 800000000,
1579 	.cf_min = 12000000,
1580 	.cf_max = 38400000,
1581 	.vco_min = 1350000000,
1582 	.vco_max = 3000000000UL,
1583 	.base_reg = PLLX_BASE,
1584 	.misc_reg = PLLX_MISC0,
1585 	.lock_mask = PLL_BASE_LOCK,
1586 	.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
1587 	.lock_delay = 300,
1588 	.ext_misc_reg[0] = PLLX_MISC0,
1589 	.ext_misc_reg[1] = PLLX_MISC1,
1590 	.ext_misc_reg[2] = PLLX_MISC2,
1591 	.ext_misc_reg[3] = PLLX_MISC3,
1592 	.ext_misc_reg[4] = PLLX_MISC4,
1593 	.ext_misc_reg[5] = PLLX_MISC5,
1594 	.iddq_reg = PLLX_MISC3,
1595 	.iddq_bit_idx = PLLXP_IDDQ_BIT,
1596 	.max_p = PLL_QLIN_PDIV_MAX,
1597 	.mdiv_default = 2,
1598 	.dyn_ramp_reg = PLLX_MISC2,
1599 	.stepa_shift = 16,
1600 	.stepb_shift = 24,
1601 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1602 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1603 	.div_nmp = &pllx_nmp,
1604 	.freq_table = pll_x_freq_table,
1605 	.flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1606 	.dyn_ramp = tegra210_pllx_dyn_ramp,
1607 	.set_defaults = tegra210_pllx_set_defaults,
1608 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1609 };
1610 
1611 static struct div_nmp pllc_nmp = {
1612 	.divm_shift = 0,
1613 	.divm_width = 8,
1614 	.divn_shift = 10,
1615 	.divn_width = 8,
1616 	.divp_shift = 20,
1617 	.divp_width = 5,
1618 };
1619 
1620 static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = {
1621 	{ 12000000, 510000000, 85, 1, 2, 0 },
1622 	{ 13000000, 510000000, 78, 1, 2, 0 }, /* actual: 507.0 MHz */
1623 	{ 38400000, 510000000, 79, 3, 2, 0 }, /* actual: 505.6 MHz */
1624 	{        0,         0,  0, 0, 0, 0 },
1625 };
1626 
1627 static struct tegra_clk_pll_params pll_c_params = {
1628 	.input_min = 12000000,
1629 	.input_max = 700000000,
1630 	.cf_min = 12000000,
1631 	.cf_max = 50000000,
1632 	.vco_min = 600000000,
1633 	.vco_max = 1200000000,
1634 	.base_reg = PLLC_BASE,
1635 	.misc_reg = PLLC_MISC0,
1636 	.lock_mask = PLL_BASE_LOCK,
1637 	.lock_delay = 300,
1638 	.iddq_reg = PLLC_MISC1,
1639 	.iddq_bit_idx = PLLCX_IDDQ_BIT,
1640 	.reset_reg = PLLC_MISC0,
1641 	.reset_bit_idx = PLLCX_RESET_BIT,
1642 	.max_p = PLL_QLIN_PDIV_MAX,
1643 	.ext_misc_reg[0] = PLLC_MISC0,
1644 	.ext_misc_reg[1] = PLLC_MISC1,
1645 	.ext_misc_reg[2] = PLLC_MISC2,
1646 	.ext_misc_reg[3] = PLLC_MISC3,
1647 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1648 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1649 	.mdiv_default = 3,
1650 	.div_nmp = &pllc_nmp,
1651 	.freq_table = pll_cx_freq_table,
1652 	.flags = TEGRA_PLL_USE_LOCK,
1653 	.set_defaults = _pllc_set_defaults,
1654 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1655 };
1656 
1657 static struct div_nmp pllcx_nmp = {
1658 	.divm_shift = 0,
1659 	.divm_width = 8,
1660 	.divn_shift = 10,
1661 	.divn_width = 8,
1662 	.divp_shift = 20,
1663 	.divp_width = 5,
1664 };
1665 
1666 static struct tegra_clk_pll_params pll_c2_params = {
1667 	.input_min = 12000000,
1668 	.input_max = 700000000,
1669 	.cf_min = 12000000,
1670 	.cf_max = 50000000,
1671 	.vco_min = 600000000,
1672 	.vco_max = 1200000000,
1673 	.base_reg = PLLC2_BASE,
1674 	.misc_reg = PLLC2_MISC0,
1675 	.iddq_reg = PLLC2_MISC1,
1676 	.iddq_bit_idx = PLLCX_IDDQ_BIT,
1677 	.reset_reg = PLLC2_MISC0,
1678 	.reset_bit_idx = PLLCX_RESET_BIT,
1679 	.lock_mask = PLLCX_BASE_LOCK,
1680 	.lock_delay = 300,
1681 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1682 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1683 	.mdiv_default = 3,
1684 	.div_nmp = &pllcx_nmp,
1685 	.max_p = PLL_QLIN_PDIV_MAX,
1686 	.ext_misc_reg[0] = PLLC2_MISC0,
1687 	.ext_misc_reg[1] = PLLC2_MISC1,
1688 	.ext_misc_reg[2] = PLLC2_MISC2,
1689 	.ext_misc_reg[3] = PLLC2_MISC3,
1690 	.freq_table = pll_cx_freq_table,
1691 	.flags = TEGRA_PLL_USE_LOCK,
1692 	.set_defaults = _pllc2_set_defaults,
1693 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1694 };
1695 
1696 static struct tegra_clk_pll_params pll_c3_params = {
1697 	.input_min = 12000000,
1698 	.input_max = 700000000,
1699 	.cf_min = 12000000,
1700 	.cf_max = 50000000,
1701 	.vco_min = 600000000,
1702 	.vco_max = 1200000000,
1703 	.base_reg = PLLC3_BASE,
1704 	.misc_reg = PLLC3_MISC0,
1705 	.lock_mask = PLLCX_BASE_LOCK,
1706 	.lock_delay = 300,
1707 	.iddq_reg = PLLC3_MISC1,
1708 	.iddq_bit_idx = PLLCX_IDDQ_BIT,
1709 	.reset_reg = PLLC3_MISC0,
1710 	.reset_bit_idx = PLLCX_RESET_BIT,
1711 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1712 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1713 	.mdiv_default = 3,
1714 	.div_nmp = &pllcx_nmp,
1715 	.max_p = PLL_QLIN_PDIV_MAX,
1716 	.ext_misc_reg[0] = PLLC3_MISC0,
1717 	.ext_misc_reg[1] = PLLC3_MISC1,
1718 	.ext_misc_reg[2] = PLLC3_MISC2,
1719 	.ext_misc_reg[3] = PLLC3_MISC3,
1720 	.freq_table = pll_cx_freq_table,
1721 	.flags = TEGRA_PLL_USE_LOCK,
1722 	.set_defaults = _pllc3_set_defaults,
1723 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1724 };
1725 
1726 static struct div_nmp pllss_nmp = {
1727 	.divm_shift = 0,
1728 	.divm_width = 8,
1729 	.divn_shift = 8,
1730 	.divn_width = 8,
1731 	.divp_shift = 19,
1732 	.divp_width = 5,
1733 };
1734 
1735 static struct tegra_clk_pll_freq_table pll_c4_vco_freq_table[] = {
1736 	{ 12000000, 600000000, 50, 1, 1, 0 },
1737 	{ 13000000, 600000000, 46, 1, 1, 0 }, /* actual: 598.0 MHz */
1738 	{ 38400000, 600000000, 62, 4, 1, 0 }, /* actual: 595.2 MHz */
1739 	{        0,         0,  0, 0, 0, 0 },
1740 };
1741 
1742 static const struct clk_div_table pll_vco_post_div_table[] = {
1743 	{ .val =  0, .div =  1 },
1744 	{ .val =  1, .div =  2 },
1745 	{ .val =  2, .div =  3 },
1746 	{ .val =  3, .div =  4 },
1747 	{ .val =  4, .div =  5 },
1748 	{ .val =  5, .div =  6 },
1749 	{ .val =  6, .div =  8 },
1750 	{ .val =  7, .div = 10 },
1751 	{ .val =  8, .div = 12 },
1752 	{ .val =  9, .div = 16 },
1753 	{ .val = 10, .div = 12 },
1754 	{ .val = 11, .div = 16 },
1755 	{ .val = 12, .div = 20 },
1756 	{ .val = 13, .div = 24 },
1757 	{ .val = 14, .div = 32 },
1758 	{ .val =  0, .div =  0 },
1759 };
1760 
1761 static struct tegra_clk_pll_params pll_c4_vco_params = {
1762 	.input_min = 9600000,
1763 	.input_max = 800000000,
1764 	.cf_min = 9600000,
1765 	.cf_max = 19200000,
1766 	.vco_min = 500000000,
1767 	.vco_max = 1080000000,
1768 	.base_reg = PLLC4_BASE,
1769 	.misc_reg = PLLC4_MISC0,
1770 	.lock_mask = PLL_BASE_LOCK,
1771 	.lock_delay = 300,
1772 	.max_p = PLL_QLIN_PDIV_MAX,
1773 	.ext_misc_reg[0] = PLLC4_MISC0,
1774 	.iddq_reg = PLLC4_BASE,
1775 	.iddq_bit_idx = PLLSS_IDDQ_BIT,
1776 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1777 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1778 	.mdiv_default = 3,
1779 	.div_nmp = &pllss_nmp,
1780 	.freq_table = pll_c4_vco_freq_table,
1781 	.set_defaults = tegra210_pllc4_set_defaults,
1782 	.flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
1783 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1784 };
1785 
1786 static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
1787 	{ 12000000,  800000000,  66, 1, 1, 0 }, /* actual: 792.0 MHz */
1788 	{ 13000000,  800000000,  61, 1, 1, 0 }, /* actual: 793.0 MHz */
1789 	{ 38400000,  297600000,  93, 4, 3, 0 },
1790 	{ 38400000,  400000000, 125, 4, 3, 0 },
1791 	{ 38400000,  532800000, 111, 4, 2, 0 },
1792 	{ 38400000,  665600000, 104, 3, 2, 0 },
1793 	{ 38400000,  800000000, 125, 3, 2, 0 },
1794 	{ 38400000,  931200000,  97, 4, 1, 0 },
1795 	{ 38400000, 1065600000, 111, 4, 1, 0 },
1796 	{ 38400000, 1200000000, 125, 4, 1, 0 },
1797 	{ 38400000, 1331200000, 104, 3, 1, 0 },
1798 	{ 38400000, 1459200000,  76, 2, 1, 0 },
1799 	{ 38400000, 1600000000, 125, 3, 1, 0 },
1800 	{        0,          0,   0, 0, 0, 0 },
1801 };
1802 
1803 static struct div_nmp pllm_nmp = {
1804 	.divm_shift = 0,
1805 	.divm_width = 8,
1806 	.override_divm_shift = 0,
1807 	.divn_shift = 8,
1808 	.divn_width = 8,
1809 	.override_divn_shift = 8,
1810 	.divp_shift = 20,
1811 	.divp_width = 5,
1812 	.override_divp_shift = 27,
1813 };
1814 
1815 static struct tegra_clk_pll_params pll_m_params = {
1816 	.input_min = 9600000,
1817 	.input_max = 500000000,
1818 	.cf_min = 9600000,
1819 	.cf_max = 19200000,
1820 	.vco_min = 800000000,
1821 	.vco_max = 1866000000,
1822 	.base_reg = PLLM_BASE,
1823 	.misc_reg = PLLM_MISC2,
1824 	.lock_mask = PLL_BASE_LOCK,
1825 	.lock_enable_bit_idx = PLLM_MISC_LOCK_ENABLE,
1826 	.lock_delay = 300,
1827 	.iddq_reg = PLLM_MISC2,
1828 	.iddq_bit_idx = PLLM_IDDQ_BIT,
1829 	.max_p = PLL_QLIN_PDIV_MAX,
1830 	.ext_misc_reg[0] = PLLM_MISC2,
1831 	.ext_misc_reg[1] = PLLM_MISC1,
1832 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1833 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1834 	.div_nmp = &pllm_nmp,
1835 	.pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
1836 	.pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2,
1837 	.freq_table = pll_m_freq_table,
1838 	.flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1839 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1840 };
1841 
1842 static struct tegra_clk_pll_params pll_mb_params = {
1843 	.input_min = 9600000,
1844 	.input_max = 500000000,
1845 	.cf_min = 9600000,
1846 	.cf_max = 19200000,
1847 	.vco_min = 800000000,
1848 	.vco_max = 1866000000,
1849 	.base_reg = PLLMB_BASE,
1850 	.misc_reg = PLLMB_MISC1,
1851 	.lock_mask = PLL_BASE_LOCK,
1852 	.lock_delay = 300,
1853 	.iddq_reg = PLLMB_MISC1,
1854 	.iddq_bit_idx = PLLMB_IDDQ_BIT,
1855 	.max_p = PLL_QLIN_PDIV_MAX,
1856 	.ext_misc_reg[0] = PLLMB_MISC1,
1857 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1858 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1859 	.div_nmp = &pllm_nmp,
1860 	.freq_table = pll_m_freq_table,
1861 	.flags = TEGRA_PLL_USE_LOCK,
1862 	.set_defaults = tegra210_pllmb_set_defaults,
1863 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1864 };
1865 
1866 
1867 static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
1868 	/* PLLE special case: use cpcon field to store cml divider value */
1869 	{ 672000000, 100000000, 125, 42, 0, 13 },
1870 	{ 624000000, 100000000, 125, 39, 0, 13 },
1871 	{ 336000000, 100000000, 125, 21, 0, 13 },
1872 	{ 312000000, 100000000, 200, 26, 0, 14 },
1873 	{  38400000, 100000000, 125,  2, 0, 14 },
1874 	{  12000000, 100000000, 200,  1, 0, 14 },
1875 	{         0,         0,   0,  0, 0,  0 },
1876 };
1877 
1878 static struct div_nmp plle_nmp = {
1879 	.divm_shift = 0,
1880 	.divm_width = 8,
1881 	.divn_shift = 8,
1882 	.divn_width = 8,
1883 	.divp_shift = 24,
1884 	.divp_width = 5,
1885 };
1886 
1887 static struct tegra_clk_pll_params pll_e_params = {
1888 	.input_min = 12000000,
1889 	.input_max = 800000000,
1890 	.cf_min = 12000000,
1891 	.cf_max = 38400000,
1892 	.vco_min = 1600000000,
1893 	.vco_max = 2500000000U,
1894 	.base_reg = PLLE_BASE,
1895 	.misc_reg = PLLE_MISC0,
1896 	.aux_reg = PLLE_AUX,
1897 	.lock_mask = PLLE_MISC_LOCK,
1898 	.lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
1899 	.lock_delay = 300,
1900 	.div_nmp = &plle_nmp,
1901 	.freq_table = pll_e_freq_table,
1902 	.flags = TEGRA_PLL_FIXED | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_USE_LOCK |
1903 		 TEGRA_PLL_HAS_LOCK_ENABLE,
1904 	.fixed_rate = 100000000,
1905 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1906 };
1907 
1908 static struct tegra_clk_pll_freq_table pll_re_vco_freq_table[] = {
1909 	{ 12000000, 672000000, 56, 1, 1, 0 },
1910 	{ 13000000, 672000000, 51, 1, 1, 0 }, /* actual: 663.0 MHz */
1911 	{ 38400000, 672000000, 70, 4, 1, 0 },
1912 	{        0,         0,  0, 0, 0, 0 },
1913 };
1914 
1915 static struct div_nmp pllre_nmp = {
1916 	.divm_shift = 0,
1917 	.divm_width = 8,
1918 	.divn_shift = 8,
1919 	.divn_width = 8,
1920 	.divp_shift = 16,
1921 	.divp_width = 5,
1922 };
1923 
1924 static struct tegra_clk_pll_params pll_re_vco_params = {
1925 	.input_min = 9600000,
1926 	.input_max = 800000000,
1927 	.cf_min = 9600000,
1928 	.cf_max = 19200000,
1929 	.vco_min = 350000000,
1930 	.vco_max = 700000000,
1931 	.base_reg = PLLRE_BASE,
1932 	.misc_reg = PLLRE_MISC0,
1933 	.lock_mask = PLLRE_MISC_LOCK,
1934 	.lock_delay = 300,
1935 	.max_p = PLL_QLIN_PDIV_MAX,
1936 	.ext_misc_reg[0] = PLLRE_MISC0,
1937 	.iddq_reg = PLLRE_MISC0,
1938 	.iddq_bit_idx = PLLRE_IDDQ_BIT,
1939 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1940 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1941 	.div_nmp = &pllre_nmp,
1942 	.freq_table = pll_re_vco_freq_table,
1943 	.flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_VCO_OUT,
1944 	.set_defaults = tegra210_pllre_set_defaults,
1945 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1946 };
1947 
1948 static struct div_nmp pllp_nmp = {
1949 	.divm_shift = 0,
1950 	.divm_width = 8,
1951 	.divn_shift = 10,
1952 	.divn_width = 8,
1953 	.divp_shift = 20,
1954 	.divp_width = 5,
1955 };
1956 
1957 static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
1958 	{ 12000000, 408000000, 34, 1, 1, 0 },
1959 	{ 38400000, 408000000, 85, 8, 1, 0 }, /* cf = 4.8MHz, allowed exception */
1960 	{        0,         0,  0, 0, 0, 0 },
1961 };
1962 
1963 static struct tegra_clk_pll_params pll_p_params = {
1964 	.input_min = 9600000,
1965 	.input_max = 800000000,
1966 	.cf_min = 9600000,
1967 	.cf_max = 19200000,
1968 	.vco_min = 350000000,
1969 	.vco_max = 700000000,
1970 	.base_reg = PLLP_BASE,
1971 	.misc_reg = PLLP_MISC0,
1972 	.lock_mask = PLL_BASE_LOCK,
1973 	.lock_delay = 300,
1974 	.iddq_reg = PLLP_MISC0,
1975 	.iddq_bit_idx = PLLXP_IDDQ_BIT,
1976 	.ext_misc_reg[0] = PLLP_MISC0,
1977 	.ext_misc_reg[1] = PLLP_MISC1,
1978 	.div_nmp = &pllp_nmp,
1979 	.freq_table = pll_p_freq_table,
1980 	.fixed_rate = 408000000,
1981 	.flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
1982 	.set_defaults = tegra210_pllp_set_defaults,
1983 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1984 };
1985 
1986 static struct tegra_clk_pll_params pll_a1_params = {
1987 	.input_min = 12000000,
1988 	.input_max = 700000000,
1989 	.cf_min = 12000000,
1990 	.cf_max = 50000000,
1991 	.vco_min = 600000000,
1992 	.vco_max = 1200000000,
1993 	.base_reg = PLLA1_BASE,
1994 	.misc_reg = PLLA1_MISC0,
1995 	.lock_mask = PLLCX_BASE_LOCK,
1996 	.lock_delay = 300,
1997 	.iddq_reg = PLLA1_MISC1,
1998 	.iddq_bit_idx = PLLCX_IDDQ_BIT,
1999 	.reset_reg = PLLA1_MISC0,
2000 	.reset_bit_idx = PLLCX_RESET_BIT,
2001 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
2002 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
2003 	.div_nmp = &pllc_nmp,
2004 	.ext_misc_reg[0] = PLLA1_MISC0,
2005 	.ext_misc_reg[1] = PLLA1_MISC1,
2006 	.ext_misc_reg[2] = PLLA1_MISC2,
2007 	.ext_misc_reg[3] = PLLA1_MISC3,
2008 	.freq_table = pll_cx_freq_table,
2009 	.flags = TEGRA_PLL_USE_LOCK,
2010 	.set_defaults = _plla1_set_defaults,
2011 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
2012 };
2013 
2014 static struct div_nmp plla_nmp = {
2015 	.divm_shift = 0,
2016 	.divm_width = 8,
2017 	.divn_shift = 8,
2018 	.divn_width = 8,
2019 	.divp_shift = 20,
2020 	.divp_width = 5,
2021 };
2022 
2023 static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
2024 	{ 12000000, 282240000, 47, 1, 2, 1, 0xf148 }, /* actual: 282240234 */
2025 	{ 12000000, 368640000, 61, 1, 2, 1, 0xfe15 }, /* actual: 368640381 */
2026 	{ 12000000, 240000000, 60, 1, 3, 1,      0 },
2027 	{ 13000000, 282240000, 43, 1, 2, 1, 0xfd7d }, /* actual: 282239807 */
2028 	{ 13000000, 368640000, 56, 1, 2, 1, 0x06d8 }, /* actual: 368640137 */
2029 	{ 13000000, 240000000, 55, 1, 3, 1,      0 }, /* actual: 238.3 MHz */
2030 	{ 38400000, 282240000, 44, 3, 2, 1, 0xf333 }, /* actual: 282239844 */
2031 	{ 38400000, 368640000, 57, 3, 2, 1, 0x0333 }, /* actual: 368639844 */
2032 	{ 38400000, 240000000, 75, 3, 3, 1,      0 },
2033 	{        0,         0,  0, 0, 0, 0,      0 },
2034 };
2035 
2036 static struct tegra_clk_pll_params pll_a_params = {
2037 	.input_min = 12000000,
2038 	.input_max = 800000000,
2039 	.cf_min = 12000000,
2040 	.cf_max = 19200000,
2041 	.vco_min = 500000000,
2042 	.vco_max = 1000000000,
2043 	.base_reg = PLLA_BASE,
2044 	.misc_reg = PLLA_MISC0,
2045 	.lock_mask = PLL_BASE_LOCK,
2046 	.lock_delay = 300,
2047 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
2048 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
2049 	.iddq_reg = PLLA_BASE,
2050 	.iddq_bit_idx = PLLA_IDDQ_BIT,
2051 	.div_nmp = &plla_nmp,
2052 	.sdm_din_reg = PLLA_MISC1,
2053 	.sdm_din_mask = PLLA_SDM_DIN_MASK,
2054 	.sdm_ctrl_reg = PLLA_MISC2,
2055 	.sdm_ctrl_en_mask = PLLA_SDM_EN_MASK,
2056 	.ext_misc_reg[0] = PLLA_MISC0,
2057 	.ext_misc_reg[1] = PLLA_MISC1,
2058 	.ext_misc_reg[2] = PLLA_MISC2,
2059 	.freq_table = pll_a_freq_table,
2060 	.flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW,
2061 	.set_defaults = tegra210_plla_set_defaults,
2062 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
2063 	.set_gain = tegra210_clk_pll_set_gain,
2064 	.adjust_vco = tegra210_clk_adjust_vco_min,
2065 };
2066 
2067 static struct div_nmp plld_nmp = {
2068 	.divm_shift = 0,
2069 	.divm_width = 8,
2070 	.divn_shift = 11,
2071 	.divn_width = 8,
2072 	.divp_shift = 20,
2073 	.divp_width = 3,
2074 };
2075 
2076 static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
2077 	{ 12000000, 594000000, 99, 1, 2, 0,      0 },
2078 	{ 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */
2079 	{ 38400000, 594000000, 30, 1, 2, 0, 0x0e00 },
2080 	{        0,         0,  0, 0, 0, 0,      0 },
2081 };
2082 
2083 static struct tegra_clk_pll_params pll_d_params = {
2084 	.input_min = 12000000,
2085 	.input_max = 800000000,
2086 	.cf_min = 12000000,
2087 	.cf_max = 38400000,
2088 	.vco_min = 750000000,
2089 	.vco_max = 1500000000,
2090 	.base_reg = PLLD_BASE,
2091 	.misc_reg = PLLD_MISC0,
2092 	.lock_mask = PLL_BASE_LOCK,
2093 	.lock_delay = 1000,
2094 	.iddq_reg = PLLD_MISC0,
2095 	.iddq_bit_idx = PLLD_IDDQ_BIT,
2096 	.round_p_to_pdiv = pll_expo_p_to_pdiv,
2097 	.pdiv_tohw = pll_expo_pdiv_to_hw,
2098 	.div_nmp = &plld_nmp,
2099 	.sdm_din_reg = PLLD_MISC0,
2100 	.sdm_din_mask = PLLA_SDM_DIN_MASK,
2101 	.sdm_ctrl_reg = PLLD_MISC0,
2102 	.sdm_ctrl_en_mask = PLLD_SDM_EN_MASK,
2103 	.ext_misc_reg[0] = PLLD_MISC0,
2104 	.ext_misc_reg[1] = PLLD_MISC1,
2105 	.freq_table = pll_d_freq_table,
2106 	.flags = TEGRA_PLL_USE_LOCK,
2107 	.mdiv_default = 1,
2108 	.set_defaults = tegra210_plld_set_defaults,
2109 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
2110 	.set_gain = tegra210_clk_pll_set_gain,
2111 	.adjust_vco = tegra210_clk_adjust_vco_min,
2112 };
2113 
2114 static struct tegra_clk_pll_freq_table tegra210_pll_d2_freq_table[] = {
2115 	{ 12000000, 594000000, 99, 1, 2, 0, 0xf000 },
2116 	{ 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */
2117 	{ 38400000, 594000000, 30, 1, 2, 0, 0x0e00 },
2118 	{        0,         0,  0, 0, 0, 0,      0 },
2119 };
2120 
2121 /* s/w policy, always tegra_pll_ref */
2122 static struct tegra_clk_pll_params pll_d2_params = {
2123 	.input_min = 12000000,
2124 	.input_max = 800000000,
2125 	.cf_min = 12000000,
2126 	.cf_max = 38400000,
2127 	.vco_min = 750000000,
2128 	.vco_max = 1500000000,
2129 	.base_reg = PLLD2_BASE,
2130 	.misc_reg = PLLD2_MISC0,
2131 	.lock_mask = PLL_BASE_LOCK,
2132 	.lock_delay = 300,
2133 	.iddq_reg = PLLD2_BASE,
2134 	.iddq_bit_idx = PLLSS_IDDQ_BIT,
2135 	.sdm_din_reg = PLLD2_MISC3,
2136 	.sdm_din_mask = PLLA_SDM_DIN_MASK,
2137 	.sdm_ctrl_reg = PLLD2_MISC1,
2138 	.sdm_ctrl_en_mask = PLLD2_SDM_EN_MASK,
2139 	/* disable spread-spectrum for pll_d2 */
2140 	.ssc_ctrl_reg = 0,
2141 	.ssc_ctrl_en_mask = 0,
2142 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
2143 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
2144 	.div_nmp = &pllss_nmp,
2145 	.ext_misc_reg[0] = PLLD2_MISC0,
2146 	.ext_misc_reg[1] = PLLD2_MISC1,
2147 	.ext_misc_reg[2] = PLLD2_MISC2,
2148 	.ext_misc_reg[3] = PLLD2_MISC3,
2149 	.max_p = PLL_QLIN_PDIV_MAX,
2150 	.mdiv_default = 1,
2151 	.freq_table = tegra210_pll_d2_freq_table,
2152 	.set_defaults = tegra210_plld2_set_defaults,
2153 	.flags = TEGRA_PLL_USE_LOCK,
2154 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
2155 	.set_gain = tegra210_clk_pll_set_gain,
2156 	.adjust_vco = tegra210_clk_adjust_vco_min,
2157 };
2158 
2159 static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = {
2160 	{ 12000000, 270000000, 90, 1, 4, 0, 0xf000 },
2161 	{ 13000000, 270000000, 83, 1, 4, 0, 0xf000 }, /* actual: 269.8 MHz */
2162 	{ 38400000, 270000000, 28, 1, 4, 0, 0xf400 },
2163 	{        0,         0,  0, 0, 0, 0,      0 },
2164 };
2165 
2166 static struct tegra_clk_pll_params pll_dp_params = {
2167 	.input_min = 12000000,
2168 	.input_max = 800000000,
2169 	.cf_min = 12000000,
2170 	.cf_max = 38400000,
2171 	.vco_min = 750000000,
2172 	.vco_max = 1500000000,
2173 	.base_reg = PLLDP_BASE,
2174 	.misc_reg = PLLDP_MISC,
2175 	.lock_mask = PLL_BASE_LOCK,
2176 	.lock_delay = 300,
2177 	.iddq_reg = PLLDP_BASE,
2178 	.iddq_bit_idx = PLLSS_IDDQ_BIT,
2179 	.sdm_din_reg = PLLDP_SS_CTRL2,
2180 	.sdm_din_mask = PLLA_SDM_DIN_MASK,
2181 	.sdm_ctrl_reg = PLLDP_SS_CFG,
2182 	.sdm_ctrl_en_mask = PLLDP_SDM_EN_MASK,
2183 	.ssc_ctrl_reg = PLLDP_SS_CFG,
2184 	.ssc_ctrl_en_mask = PLLDP_SSC_EN_MASK,
2185 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
2186 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
2187 	.div_nmp = &pllss_nmp,
2188 	.ext_misc_reg[0] = PLLDP_MISC,
2189 	.ext_misc_reg[1] = PLLDP_SS_CFG,
2190 	.ext_misc_reg[2] = PLLDP_SS_CTRL1,
2191 	.ext_misc_reg[3] = PLLDP_SS_CTRL2,
2192 	.max_p = PLL_QLIN_PDIV_MAX,
2193 	.mdiv_default = 1,
2194 	.freq_table = pll_dp_freq_table,
2195 	.set_defaults = tegra210_plldp_set_defaults,
2196 	.flags = TEGRA_PLL_USE_LOCK,
2197 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
2198 	.set_gain = tegra210_clk_pll_set_gain,
2199 	.adjust_vco = tegra210_clk_adjust_vco_min,
2200 };
2201 
2202 static struct div_nmp pllu_nmp = {
2203 	.divm_shift = 0,
2204 	.divm_width = 8,
2205 	.divn_shift = 8,
2206 	.divn_width = 8,
2207 	.divp_shift = 16,
2208 	.divp_width = 5,
2209 };
2210 
2211 static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
2212 	{ 12000000, 480000000, 40, 1, 1, 0 },
2213 	{ 13000000, 480000000, 36, 1, 1, 0 }, /* actual: 468.0 MHz */
2214 	{ 38400000, 480000000, 25, 2, 1, 0 },
2215 	{        0,         0,  0, 0, 0, 0 },
2216 };
2217 
2218 static struct tegra_clk_pll_params pll_u_vco_params = {
2219 	.input_min = 9600000,
2220 	.input_max = 800000000,
2221 	.cf_min = 9600000,
2222 	.cf_max = 19200000,
2223 	.vco_min = 350000000,
2224 	.vco_max = 700000000,
2225 	.base_reg = PLLU_BASE,
2226 	.misc_reg = PLLU_MISC0,
2227 	.lock_mask = PLL_BASE_LOCK,
2228 	.lock_delay = 1000,
2229 	.iddq_reg = PLLU_MISC0,
2230 	.iddq_bit_idx = PLLU_IDDQ_BIT,
2231 	.ext_misc_reg[0] = PLLU_MISC0,
2232 	.ext_misc_reg[1] = PLLU_MISC1,
2233 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
2234 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
2235 	.div_nmp = &pllu_nmp,
2236 	.freq_table = pll_u_freq_table,
2237 	.flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
2238 };
2239 
2240 struct utmi_clk_param {
2241 	/* Oscillator Frequency in KHz */
2242 	u32 osc_frequency;
2243 	/* UTMIP PLL Enable Delay Count  */
2244 	u8 enable_delay_count;
2245 	/* UTMIP PLL Stable count */
2246 	u16 stable_count;
2247 	/*  UTMIP PLL Active delay count */
2248 	u8 active_delay_count;
2249 	/* UTMIP PLL Xtal frequency count */
2250 	u16 xtal_freq_count;
2251 };
2252 
2253 static const struct utmi_clk_param utmi_parameters[] = {
2254 	{
2255 		.osc_frequency = 38400000, .enable_delay_count = 0x0,
2256 		.stable_count = 0x0, .active_delay_count = 0x6,
2257 		.xtal_freq_count = 0x80
2258 	}, {
2259 		.osc_frequency = 13000000, .enable_delay_count = 0x02,
2260 		.stable_count = 0x33, .active_delay_count = 0x05,
2261 		.xtal_freq_count = 0x7f
2262 	}, {
2263 		.osc_frequency = 19200000, .enable_delay_count = 0x03,
2264 		.stable_count = 0x4b, .active_delay_count = 0x06,
2265 		.xtal_freq_count = 0xbb
2266 	}, {
2267 		.osc_frequency = 12000000, .enable_delay_count = 0x02,
2268 		.stable_count = 0x2f, .active_delay_count = 0x08,
2269 		.xtal_freq_count = 0x76
2270 	}, {
2271 		.osc_frequency = 26000000, .enable_delay_count = 0x04,
2272 		.stable_count = 0x66, .active_delay_count = 0x09,
2273 		.xtal_freq_count = 0xfe
2274 	}, {
2275 		.osc_frequency = 16800000, .enable_delay_count = 0x03,
2276 		.stable_count = 0x41, .active_delay_count = 0x0a,
2277 		.xtal_freq_count = 0xa4
2278 	},
2279 };
2280 
2281 static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = {
2282 	[tegra_clk_ispb] = { .dt_id = TEGRA210_CLK_ISPB, .present = true },
2283 	[tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true },
2284 	[tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true },
2285 	[tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true },
2286 	[tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true },
2287 	[tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true },
2288 	[tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true },
2289 	[tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true },
2290 	[tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true },
2291 	[tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true },
2292 	[tegra_clk_isp_9] = { .dt_id = TEGRA210_CLK_ISP, .present = true },
2293 	[tegra_clk_disp2_8] = { .dt_id = TEGRA210_CLK_DISP2, .present = true },
2294 	[tegra_clk_disp1_8] = { .dt_id = TEGRA210_CLK_DISP1, .present = true },
2295 	[tegra_clk_host1x_9] = { .dt_id = TEGRA210_CLK_HOST1X, .present = true },
2296 	[tegra_clk_i2s0] = { .dt_id = TEGRA210_CLK_I2S0, .present = true },
2297 	[tegra_clk_apbdma] = { .dt_id = TEGRA210_CLK_APBDMA, .present = true },
2298 	[tegra_clk_kfuse] = { .dt_id = TEGRA210_CLK_KFUSE, .present = true },
2299 	[tegra_clk_sbc1_9] = { .dt_id = TEGRA210_CLK_SBC1, .present = true },
2300 	[tegra_clk_sbc2_9] = { .dt_id = TEGRA210_CLK_SBC2, .present = true },
2301 	[tegra_clk_sbc3_9] = { .dt_id = TEGRA210_CLK_SBC3, .present = true },
2302 	[tegra_clk_i2c5] = { .dt_id = TEGRA210_CLK_I2C5, .present = true },
2303 	[tegra_clk_csi] = { .dt_id = TEGRA210_CLK_CSI, .present = true },
2304 	[tegra_clk_i2c2] = { .dt_id = TEGRA210_CLK_I2C2, .present = true },
2305 	[tegra_clk_uartc_8] = { .dt_id = TEGRA210_CLK_UARTC, .present = true },
2306 	[tegra_clk_mipi_cal] = { .dt_id = TEGRA210_CLK_MIPI_CAL, .present = true },
2307 	[tegra_clk_emc] = { .dt_id = TEGRA210_CLK_EMC, .present = true },
2308 	[tegra_clk_usb2] = { .dt_id = TEGRA210_CLK_USB2, .present = true },
2309 	[tegra_clk_bsev] = { .dt_id = TEGRA210_CLK_BSEV, .present = true },
2310 	[tegra_clk_uartd_8] = { .dt_id = TEGRA210_CLK_UARTD, .present = true },
2311 	[tegra_clk_i2c3] = { .dt_id = TEGRA210_CLK_I2C3, .present = true },
2312 	[tegra_clk_sbc4_9] = { .dt_id = TEGRA210_CLK_SBC4, .present = true },
2313 	[tegra_clk_sdmmc3_9] = { .dt_id = TEGRA210_CLK_SDMMC3, .present = true },
2314 	[tegra_clk_pcie] = { .dt_id = TEGRA210_CLK_PCIE, .present = true },
2315 	[tegra_clk_owr_8] = { .dt_id = TEGRA210_CLK_OWR, .present = true },
2316 	[tegra_clk_afi] = { .dt_id = TEGRA210_CLK_AFI, .present = true },
2317 	[tegra_clk_csite_8] = { .dt_id = TEGRA210_CLK_CSITE, .present = true },
2318 	[tegra_clk_soc_therm_8] = { .dt_id = TEGRA210_CLK_SOC_THERM, .present = true },
2319 	[tegra_clk_dtv] = { .dt_id = TEGRA210_CLK_DTV, .present = true },
2320 	[tegra_clk_i2cslow] = { .dt_id = TEGRA210_CLK_I2CSLOW, .present = true },
2321 	[tegra_clk_tsec_8] = { .dt_id = TEGRA210_CLK_TSEC, .present = true },
2322 	[tegra_clk_xusb_host] = { .dt_id = TEGRA210_CLK_XUSB_HOST, .present = true },
2323 	[tegra_clk_csus] = { .dt_id = TEGRA210_CLK_CSUS, .present = true },
2324 	[tegra_clk_mselect] = { .dt_id = TEGRA210_CLK_MSELECT, .present = true },
2325 	[tegra_clk_tsensor] = { .dt_id = TEGRA210_CLK_TSENSOR, .present = true },
2326 	[tegra_clk_i2s3] = { .dt_id = TEGRA210_CLK_I2S3, .present = true },
2327 	[tegra_clk_i2s4] = { .dt_id = TEGRA210_CLK_I2S4, .present = true },
2328 	[tegra_clk_i2c4] = { .dt_id = TEGRA210_CLK_I2C4, .present = true },
2329 	[tegra_clk_d_audio] = { .dt_id = TEGRA210_CLK_D_AUDIO, .present = true },
2330 	[tegra_clk_hda2codec_2x_8] = { .dt_id = TEGRA210_CLK_HDA2CODEC_2X, .present = true },
2331 	[tegra_clk_spdif_2x] = { .dt_id = TEGRA210_CLK_SPDIF_2X, .present = true },
2332 	[tegra_clk_actmon] = { .dt_id = TEGRA210_CLK_ACTMON, .present = true },
2333 	[tegra_clk_extern1] = { .dt_id = TEGRA210_CLK_EXTERN1, .present = true },
2334 	[tegra_clk_extern2] = { .dt_id = TEGRA210_CLK_EXTERN2, .present = true },
2335 	[tegra_clk_extern3] = { .dt_id = TEGRA210_CLK_EXTERN3, .present = true },
2336 	[tegra_clk_sata_oob_8] = { .dt_id = TEGRA210_CLK_SATA_OOB, .present = true },
2337 	[tegra_clk_sata_8] = { .dt_id = TEGRA210_CLK_SATA, .present = true },
2338 	[tegra_clk_hda_8] = { .dt_id = TEGRA210_CLK_HDA, .present = true },
2339 	[tegra_clk_hda2hdmi] = { .dt_id = TEGRA210_CLK_HDA2HDMI, .present = true },
2340 	[tegra_clk_cilab] = { .dt_id = TEGRA210_CLK_CILAB, .present = true },
2341 	[tegra_clk_cilcd] = { .dt_id = TEGRA210_CLK_CILCD, .present = true },
2342 	[tegra_clk_cile] = { .dt_id = TEGRA210_CLK_CILE, .present = true },
2343 	[tegra_clk_dsialp] = { .dt_id = TEGRA210_CLK_DSIALP, .present = true },
2344 	[tegra_clk_dsiblp] = { .dt_id = TEGRA210_CLK_DSIBLP, .present = true },
2345 	[tegra_clk_entropy_8] = { .dt_id = TEGRA210_CLK_ENTROPY, .present = true },
2346 	[tegra_clk_xusb_ss] = { .dt_id = TEGRA210_CLK_XUSB_SS, .present = true },
2347 	[tegra_clk_i2c6] = { .dt_id = TEGRA210_CLK_I2C6, .present = true },
2348 	[tegra_clk_vim2_clk] = { .dt_id = TEGRA210_CLK_VIM2_CLK, .present = true },
2349 	[tegra_clk_clk72Mhz_8] = { .dt_id = TEGRA210_CLK_CLK72MHZ, .present = true },
2350 	[tegra_clk_vic03_8] = { .dt_id = TEGRA210_CLK_VIC03, .present = true },
2351 	[tegra_clk_dpaux] = { .dt_id = TEGRA210_CLK_DPAUX, .present = true },
2352 	[tegra_clk_dpaux1] = { .dt_id = TEGRA210_CLK_DPAUX1, .present = true },
2353 	[tegra_clk_sor0] = { .dt_id = TEGRA210_CLK_SOR0, .present = true },
2354 	[tegra_clk_sor0_lvds] = { .dt_id = TEGRA210_CLK_SOR0_LVDS, .present = true },
2355 	[tegra_clk_sor1] = { .dt_id = TEGRA210_CLK_SOR1, .present = true },
2356 	[tegra_clk_sor1_src] = { .dt_id = TEGRA210_CLK_SOR1_SRC, .present = true },
2357 	[tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true },
2358 	[tegra_clk_pll_g_ref] = { .dt_id = TEGRA210_CLK_PLL_G_REF, .present = true, },
2359 	[tegra_clk_uartb_8] = { .dt_id = TEGRA210_CLK_UARTB, .present = true },
2360 	[tegra_clk_spdif_in_8] = { .dt_id = TEGRA210_CLK_SPDIF_IN, .present = true },
2361 	[tegra_clk_spdif_out] = { .dt_id = TEGRA210_CLK_SPDIF_OUT, .present = true },
2362 	[tegra_clk_vi_10] = { .dt_id = TEGRA210_CLK_VI, .present = true },
2363 	[tegra_clk_vi_sensor_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR, .present = true },
2364 	[tegra_clk_fuse] = { .dt_id = TEGRA210_CLK_FUSE, .present = true },
2365 	[tegra_clk_fuse_burn] = { .dt_id = TEGRA210_CLK_FUSE_BURN, .present = true },
2366 	[tegra_clk_clk_32k] = { .dt_id = TEGRA210_CLK_CLK_32K, .present = true },
2367 	[tegra_clk_clk_m] = { .dt_id = TEGRA210_CLK_CLK_M, .present = true },
2368 	[tegra_clk_clk_m_div2] = { .dt_id = TEGRA210_CLK_CLK_M_DIV2, .present = true },
2369 	[tegra_clk_clk_m_div4] = { .dt_id = TEGRA210_CLK_CLK_M_DIV4, .present = true },
2370 	[tegra_clk_pll_ref] = { .dt_id = TEGRA210_CLK_PLL_REF, .present = true },
2371 	[tegra_clk_pll_c] = { .dt_id = TEGRA210_CLK_PLL_C, .present = true },
2372 	[tegra_clk_pll_c_out1] = { .dt_id = TEGRA210_CLK_PLL_C_OUT1, .present = true },
2373 	[tegra_clk_pll_c2] = { .dt_id = TEGRA210_CLK_PLL_C2, .present = true },
2374 	[tegra_clk_pll_c3] = { .dt_id = TEGRA210_CLK_PLL_C3, .present = true },
2375 	[tegra_clk_pll_m] = { .dt_id = TEGRA210_CLK_PLL_M, .present = true },
2376 	[tegra_clk_pll_p] = { .dt_id = TEGRA210_CLK_PLL_P, .present = true },
2377 	[tegra_clk_pll_p_out1] = { .dt_id = TEGRA210_CLK_PLL_P_OUT1, .present = true },
2378 	[tegra_clk_pll_p_out3] = { .dt_id = TEGRA210_CLK_PLL_P_OUT3, .present = true },
2379 	[tegra_clk_pll_p_out4_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT4, .present = true },
2380 	[tegra_clk_pll_p_out_hsio] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_HSIO, .present = true },
2381 	[tegra_clk_pll_p_out_xusb] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_XUSB, .present = true },
2382 	[tegra_clk_pll_p_out_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_CPU, .present = true },
2383 	[tegra_clk_pll_p_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_ADSP, .present = true },
2384 	[tegra_clk_pll_a] = { .dt_id = TEGRA210_CLK_PLL_A, .present = true },
2385 	[tegra_clk_pll_a_out0] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0, .present = true },
2386 	[tegra_clk_pll_d] = { .dt_id = TEGRA210_CLK_PLL_D, .present = true },
2387 	[tegra_clk_pll_d_out0] = { .dt_id = TEGRA210_CLK_PLL_D_OUT0, .present = true },
2388 	[tegra_clk_pll_d2] = { .dt_id = TEGRA210_CLK_PLL_D2, .present = true },
2389 	[tegra_clk_pll_d2_out0] = { .dt_id = TEGRA210_CLK_PLL_D2_OUT0, .present = true },
2390 	[tegra_clk_pll_u] = { .dt_id = TEGRA210_CLK_PLL_U, .present = true },
2391 	[tegra_clk_pll_u_out] = { .dt_id = TEGRA210_CLK_PLL_U_OUT, .present = true },
2392 	[tegra_clk_pll_u_out1] = { .dt_id = TEGRA210_CLK_PLL_U_OUT1, .present = true },
2393 	[tegra_clk_pll_u_out2] = { .dt_id = TEGRA210_CLK_PLL_U_OUT2, .present = true },
2394 	[tegra_clk_pll_u_480m] = { .dt_id = TEGRA210_CLK_PLL_U_480M, .present = true },
2395 	[tegra_clk_pll_u_60m] = { .dt_id = TEGRA210_CLK_PLL_U_60M, .present = true },
2396 	[tegra_clk_pll_u_48m] = { .dt_id = TEGRA210_CLK_PLL_U_48M, .present = true },
2397 	[tegra_clk_pll_x] = { .dt_id = TEGRA210_CLK_PLL_X, .present = true },
2398 	[tegra_clk_pll_x_out0] = { .dt_id = TEGRA210_CLK_PLL_X_OUT0, .present = true },
2399 	[tegra_clk_pll_re_vco] = { .dt_id = TEGRA210_CLK_PLL_RE_VCO, .present = true },
2400 	[tegra_clk_pll_re_out] = { .dt_id = TEGRA210_CLK_PLL_RE_OUT, .present = true },
2401 	[tegra_clk_spdif_in_sync] = { .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC, .present = true },
2402 	[tegra_clk_i2s0_sync] = { .dt_id = TEGRA210_CLK_I2S0_SYNC, .present = true },
2403 	[tegra_clk_i2s1_sync] = { .dt_id = TEGRA210_CLK_I2S1_SYNC, .present = true },
2404 	[tegra_clk_i2s2_sync] = { .dt_id = TEGRA210_CLK_I2S2_SYNC, .present = true },
2405 	[tegra_clk_i2s3_sync] = { .dt_id = TEGRA210_CLK_I2S3_SYNC, .present = true },
2406 	[tegra_clk_i2s4_sync] = { .dt_id = TEGRA210_CLK_I2S4_SYNC, .present = true },
2407 	[tegra_clk_vimclk_sync] = { .dt_id = TEGRA210_CLK_VIMCLK_SYNC, .present = true },
2408 	[tegra_clk_audio0] = { .dt_id = TEGRA210_CLK_AUDIO0, .present = true },
2409 	[tegra_clk_audio1] = { .dt_id = TEGRA210_CLK_AUDIO1, .present = true },
2410 	[tegra_clk_audio2] = { .dt_id = TEGRA210_CLK_AUDIO2, .present = true },
2411 	[tegra_clk_audio3] = { .dt_id = TEGRA210_CLK_AUDIO3, .present = true },
2412 	[tegra_clk_audio4] = { .dt_id = TEGRA210_CLK_AUDIO4, .present = true },
2413 	[tegra_clk_spdif] = { .dt_id = TEGRA210_CLK_SPDIF, .present = true },
2414 	[tegra_clk_clk_out_1] = { .dt_id = TEGRA210_CLK_CLK_OUT_1, .present = true },
2415 	[tegra_clk_clk_out_2] = { .dt_id = TEGRA210_CLK_CLK_OUT_2, .present = true },
2416 	[tegra_clk_clk_out_3] = { .dt_id = TEGRA210_CLK_CLK_OUT_3, .present = true },
2417 	[tegra_clk_blink] = { .dt_id = TEGRA210_CLK_BLINK, .present = true },
2418 	[tegra_clk_xusb_gate] = { .dt_id = TEGRA210_CLK_XUSB_GATE, .present = true },
2419 	[tegra_clk_xusb_host_src_8] = { .dt_id = TEGRA210_CLK_XUSB_HOST_SRC, .present = true },
2420 	[tegra_clk_xusb_falcon_src_8] = { .dt_id = TEGRA210_CLK_XUSB_FALCON_SRC, .present = true },
2421 	[tegra_clk_xusb_fs_src] = { .dt_id = TEGRA210_CLK_XUSB_FS_SRC, .present = true },
2422 	[tegra_clk_xusb_ss_src_8] = { .dt_id = TEGRA210_CLK_XUSB_SS_SRC, .present = true },
2423 	[tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA210_CLK_XUSB_SS_DIV2, .present = true },
2424 	[tegra_clk_xusb_dev_src_8] = { .dt_id = TEGRA210_CLK_XUSB_DEV_SRC, .present = true },
2425 	[tegra_clk_xusb_dev] = { .dt_id = TEGRA210_CLK_XUSB_DEV, .present = true },
2426 	[tegra_clk_xusb_hs_src_4] = { .dt_id = TEGRA210_CLK_XUSB_HS_SRC, .present = true },
2427 	[tegra_clk_xusb_ssp_src] = { .dt_id = TEGRA210_CLK_XUSB_SSP_SRC, .present = true },
2428 	[tegra_clk_usb2_hsic_trk] = { .dt_id = TEGRA210_CLK_USB2_HSIC_TRK, .present = true },
2429 	[tegra_clk_hsic_trk] = { .dt_id = TEGRA210_CLK_HSIC_TRK, .present = true },
2430 	[tegra_clk_usb2_trk] = { .dt_id = TEGRA210_CLK_USB2_TRK, .present = true },
2431 	[tegra_clk_sclk] = { .dt_id = TEGRA210_CLK_SCLK, .present = true },
2432 	[tegra_clk_sclk_mux] = { .dt_id = TEGRA210_CLK_SCLK_MUX, .present = true },
2433 	[tegra_clk_hclk] = { .dt_id = TEGRA210_CLK_HCLK, .present = true },
2434 	[tegra_clk_pclk] = { .dt_id = TEGRA210_CLK_PCLK, .present = true },
2435 	[tegra_clk_cclk_g] = { .dt_id = TEGRA210_CLK_CCLK_G, .present = true },
2436 	[tegra_clk_cclk_lp] = { .dt_id = TEGRA210_CLK_CCLK_LP, .present = true },
2437 	[tegra_clk_dfll_ref] = { .dt_id = TEGRA210_CLK_DFLL_REF, .present = true },
2438 	[tegra_clk_dfll_soc] = { .dt_id = TEGRA210_CLK_DFLL_SOC, .present = true },
2439 	[tegra_clk_vi_sensor2_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR2, .present = true },
2440 	[tegra_clk_pll_p_out5] = { .dt_id = TEGRA210_CLK_PLL_P_OUT5, .present = true },
2441 	[tegra_clk_pll_c4] = { .dt_id = TEGRA210_CLK_PLL_C4, .present = true },
2442 	[tegra_clk_pll_dp] = { .dt_id = TEGRA210_CLK_PLL_DP, .present = true },
2443 	[tegra_clk_audio0_mux] = { .dt_id = TEGRA210_CLK_AUDIO0_MUX, .present = true },
2444 	[tegra_clk_audio1_mux] = { .dt_id = TEGRA210_CLK_AUDIO1_MUX, .present = true },
2445 	[tegra_clk_audio2_mux] = { .dt_id = TEGRA210_CLK_AUDIO2_MUX, .present = true },
2446 	[tegra_clk_audio3_mux] = { .dt_id = TEGRA210_CLK_AUDIO3_MUX, .present = true },
2447 	[tegra_clk_audio4_mux] = { .dt_id = TEGRA210_CLK_AUDIO4_MUX, .present = true },
2448 	[tegra_clk_spdif_mux] = { .dt_id = TEGRA210_CLK_SPDIF_MUX, .present = true },
2449 	[tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_1_MUX, .present = true },
2450 	[tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_2_MUX, .present = true },
2451 	[tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_3_MUX, .present = true },
2452 	[tegra_clk_maud] = { .dt_id = TEGRA210_CLK_MAUD, .present = true },
2453 	[tegra_clk_mipibif] = { .dt_id = TEGRA210_CLK_MIPIBIF, .present = true },
2454 	[tegra_clk_qspi] = { .dt_id = TEGRA210_CLK_QSPI, .present = true },
2455 	[tegra_clk_sdmmc_legacy] = { .dt_id = TEGRA210_CLK_SDMMC_LEGACY, .present = true },
2456 	[tegra_clk_tsecb] = { .dt_id = TEGRA210_CLK_TSECB, .present = true },
2457 	[tegra_clk_uartape] = { .dt_id = TEGRA210_CLK_UARTAPE, .present = true },
2458 	[tegra_clk_vi_i2c] = { .dt_id = TEGRA210_CLK_VI_I2C, .present = true },
2459 	[tegra_clk_ape] = { .dt_id = TEGRA210_CLK_APE, .present = true },
2460 	[tegra_clk_dbgapb] = { .dt_id = TEGRA210_CLK_DBGAPB, .present = true },
2461 	[tegra_clk_nvdec] = { .dt_id = TEGRA210_CLK_NVDEC, .present = true },
2462 	[tegra_clk_nvenc] = { .dt_id = TEGRA210_CLK_NVENC, .present = true },
2463 	[tegra_clk_nvjpg] = { .dt_id = TEGRA210_CLK_NVJPG, .present = true },
2464 	[tegra_clk_pll_c4_out0] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT0, .present = true },
2465 	[tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true },
2466 	[tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true },
2467 	[tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true },
2468 	[tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true },
2469 	[tegra_clk_pll_a1] = { .dt_id = TEGRA210_CLK_PLL_A1, .present = true },
2470 	[tegra_clk_ispa] = { .dt_id = TEGRA210_CLK_ISPA, .present = true },
2471 	[tegra_clk_cec] = { .dt_id = TEGRA210_CLK_CEC, .present = true },
2472 	[tegra_clk_dmic1] = { .dt_id = TEGRA210_CLK_DMIC1, .present = true },
2473 	[tegra_clk_dmic2] = { .dt_id = TEGRA210_CLK_DMIC2, .present = true },
2474 	[tegra_clk_dmic3] = { .dt_id = TEGRA210_CLK_DMIC3, .present = true },
2475 	[tegra_clk_dmic1_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK, .present = true },
2476 	[tegra_clk_dmic2_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK, .present = true },
2477 	[tegra_clk_dmic3_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK, .present = true },
2478 	[tegra_clk_dmic1_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK_MUX, .present = true },
2479 	[tegra_clk_dmic2_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK_MUX, .present = true },
2480 	[tegra_clk_dmic3_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK_MUX, .present = true },
2481 	[tegra_clk_dp2] = { .dt_id = TEGRA210_CLK_DP2, .present = true },
2482 	[tegra_clk_iqc1] = { .dt_id = TEGRA210_CLK_IQC1, .present = true },
2483 	[tegra_clk_iqc2] = { .dt_id = TEGRA210_CLK_IQC2, .present = true },
2484 	[tegra_clk_pll_a_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT_ADSP, .present = true },
2485 	[tegra_clk_pll_a_out0_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0_OUT_ADSP, .present = true },
2486 	[tegra_clk_adsp] = { .dt_id = TEGRA210_CLK_ADSP, .present = true },
2487 	[tegra_clk_adsp_neon] = { .dt_id = TEGRA210_CLK_ADSP_NEON, .present = true },
2488 };
2489 
2490 static struct tegra_devclk devclks[] __initdata = {
2491 	{ .con_id = "clk_m", .dt_id = TEGRA210_CLK_CLK_M },
2492 	{ .con_id = "pll_ref", .dt_id = TEGRA210_CLK_PLL_REF },
2493 	{ .con_id = "clk_32k", .dt_id = TEGRA210_CLK_CLK_32K },
2494 	{ .con_id = "clk_m_div2", .dt_id = TEGRA210_CLK_CLK_M_DIV2 },
2495 	{ .con_id = "clk_m_div4", .dt_id = TEGRA210_CLK_CLK_M_DIV4 },
2496 	{ .con_id = "pll_c", .dt_id = TEGRA210_CLK_PLL_C },
2497 	{ .con_id = "pll_c_out1", .dt_id = TEGRA210_CLK_PLL_C_OUT1 },
2498 	{ .con_id = "pll_c2", .dt_id = TEGRA210_CLK_PLL_C2 },
2499 	{ .con_id = "pll_c3", .dt_id = TEGRA210_CLK_PLL_C3 },
2500 	{ .con_id = "pll_p", .dt_id = TEGRA210_CLK_PLL_P },
2501 	{ .con_id = "pll_p_out1", .dt_id = TEGRA210_CLK_PLL_P_OUT1 },
2502 	{ .con_id = "pll_p_out2", .dt_id = TEGRA210_CLK_PLL_P_OUT2 },
2503 	{ .con_id = "pll_p_out3", .dt_id = TEGRA210_CLK_PLL_P_OUT3 },
2504 	{ .con_id = "pll_p_out4", .dt_id = TEGRA210_CLK_PLL_P_OUT4 },
2505 	{ .con_id = "pll_m", .dt_id = TEGRA210_CLK_PLL_M },
2506 	{ .con_id = "pll_x", .dt_id = TEGRA210_CLK_PLL_X },
2507 	{ .con_id = "pll_x_out0", .dt_id = TEGRA210_CLK_PLL_X_OUT0 },
2508 	{ .con_id = "pll_u", .dt_id = TEGRA210_CLK_PLL_U },
2509 	{ .con_id = "pll_u_out", .dt_id = TEGRA210_CLK_PLL_U_OUT },
2510 	{ .con_id = "pll_u_out1", .dt_id = TEGRA210_CLK_PLL_U_OUT1 },
2511 	{ .con_id = "pll_u_out2", .dt_id = TEGRA210_CLK_PLL_U_OUT2 },
2512 	{ .con_id = "pll_u_480M", .dt_id = TEGRA210_CLK_PLL_U_480M },
2513 	{ .con_id = "pll_u_60M", .dt_id = TEGRA210_CLK_PLL_U_60M },
2514 	{ .con_id = "pll_u_48M", .dt_id = TEGRA210_CLK_PLL_U_48M },
2515 	{ .con_id = "pll_d", .dt_id = TEGRA210_CLK_PLL_D },
2516 	{ .con_id = "pll_d_out0", .dt_id = TEGRA210_CLK_PLL_D_OUT0 },
2517 	{ .con_id = "pll_d2", .dt_id = TEGRA210_CLK_PLL_D2 },
2518 	{ .con_id = "pll_d2_out0", .dt_id = TEGRA210_CLK_PLL_D2_OUT0 },
2519 	{ .con_id = "pll_a", .dt_id = TEGRA210_CLK_PLL_A },
2520 	{ .con_id = "pll_a_out0", .dt_id = TEGRA210_CLK_PLL_A_OUT0 },
2521 	{ .con_id = "pll_re_vco", .dt_id = TEGRA210_CLK_PLL_RE_VCO },
2522 	{ .con_id = "pll_re_out", .dt_id = TEGRA210_CLK_PLL_RE_OUT },
2523 	{ .con_id = "spdif_in_sync", .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC },
2524 	{ .con_id = "i2s0_sync", .dt_id = TEGRA210_CLK_I2S0_SYNC },
2525 	{ .con_id = "i2s1_sync", .dt_id = TEGRA210_CLK_I2S1_SYNC },
2526 	{ .con_id = "i2s2_sync", .dt_id = TEGRA210_CLK_I2S2_SYNC },
2527 	{ .con_id = "i2s3_sync", .dt_id = TEGRA210_CLK_I2S3_SYNC },
2528 	{ .con_id = "i2s4_sync", .dt_id = TEGRA210_CLK_I2S4_SYNC },
2529 	{ .con_id = "vimclk_sync", .dt_id = TEGRA210_CLK_VIMCLK_SYNC },
2530 	{ .con_id = "audio0", .dt_id = TEGRA210_CLK_AUDIO0 },
2531 	{ .con_id = "audio1", .dt_id = TEGRA210_CLK_AUDIO1 },
2532 	{ .con_id = "audio2", .dt_id = TEGRA210_CLK_AUDIO2 },
2533 	{ .con_id = "audio3", .dt_id = TEGRA210_CLK_AUDIO3 },
2534 	{ .con_id = "audio4", .dt_id = TEGRA210_CLK_AUDIO4 },
2535 	{ .con_id = "spdif", .dt_id = TEGRA210_CLK_SPDIF },
2536 	{ .con_id = "spdif_2x", .dt_id = TEGRA210_CLK_SPDIF_2X },
2537 	{ .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA210_CLK_EXTERN1 },
2538 	{ .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA210_CLK_EXTERN2 },
2539 	{ .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA210_CLK_EXTERN3 },
2540 	{ .con_id = "blink", .dt_id = TEGRA210_CLK_BLINK },
2541 	{ .con_id = "cclk_g", .dt_id = TEGRA210_CLK_CCLK_G },
2542 	{ .con_id = "cclk_lp", .dt_id = TEGRA210_CLK_CCLK_LP },
2543 	{ .con_id = "sclk", .dt_id = TEGRA210_CLK_SCLK },
2544 	{ .con_id = "hclk", .dt_id = TEGRA210_CLK_HCLK },
2545 	{ .con_id = "pclk", .dt_id = TEGRA210_CLK_PCLK },
2546 	{ .con_id = "fuse", .dt_id = TEGRA210_CLK_FUSE },
2547 	{ .dev_id = "rtc-tegra", .dt_id = TEGRA210_CLK_RTC },
2548 	{ .dev_id = "timer", .dt_id = TEGRA210_CLK_TIMER },
2549 	{ .con_id = "pll_c4_out0", .dt_id = TEGRA210_CLK_PLL_C4_OUT0 },
2550 	{ .con_id = "pll_c4_out1", .dt_id = TEGRA210_CLK_PLL_C4_OUT1 },
2551 	{ .con_id = "pll_c4_out2", .dt_id = TEGRA210_CLK_PLL_C4_OUT2 },
2552 	{ .con_id = "pll_c4_out3", .dt_id = TEGRA210_CLK_PLL_C4_OUT3 },
2553 	{ .con_id = "dpaux", .dt_id = TEGRA210_CLK_DPAUX },
2554 	{ .con_id = "sor0", .dt_id = TEGRA210_CLK_SOR0 },
2555 };
2556 
2557 static struct tegra_audio_clk_info tegra210_audio_plls[] = {
2558 	{ "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_ref" },
2559 	{ "pll_a1", &pll_a1_params, tegra_clk_pll_a1, "pll_ref" },
2560 };
2561 
2562 static const char * const aclk_parents[] = {
2563 	"pll_a1", "pll_c", "pll_p", "pll_a_out0", "pll_c2", "pll_c3",
2564 	"clk_m"
2565 };
2566 
2567 static const unsigned int nvjpg_slcg_clkids[] = { TEGRA210_CLK_NVDEC };
2568 static const unsigned int nvdec_slcg_clkids[] = { TEGRA210_CLK_NVJPG };
2569 static const unsigned int sor_slcg_clkids[] = { TEGRA210_CLK_HDA2CODEC_2X,
2570 	TEGRA210_CLK_HDA2HDMI, TEGRA210_CLK_DISP1, TEGRA210_CLK_DISP2 };
2571 static const unsigned int disp_slcg_clkids[] = { TEGRA210_CLK_LA,
2572 	TEGRA210_CLK_HOST1X};
2573 static const unsigned int xusba_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST,
2574 	TEGRA210_CLK_XUSB_DEV };
2575 static const unsigned int xusbb_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST,
2576 	TEGRA210_CLK_XUSB_SS };
2577 static const unsigned int xusbc_slcg_clkids[] = { TEGRA210_CLK_XUSB_DEV,
2578 	TEGRA210_CLK_XUSB_SS };
2579 static const unsigned int venc_slcg_clkids[] = { TEGRA210_CLK_HOST1X,
2580 	TEGRA210_CLK_PLL_D };
2581 static const unsigned int ape_slcg_clkids[] = { TEGRA210_CLK_ACLK,
2582 	TEGRA210_CLK_I2S0, TEGRA210_CLK_I2S1, TEGRA210_CLK_I2S2,
2583 	TEGRA210_CLK_I2S3, TEGRA210_CLK_I2S4, TEGRA210_CLK_SPDIF_OUT,
2584 	TEGRA210_CLK_D_AUDIO };
2585 static const unsigned int vic_slcg_clkids[] = { TEGRA210_CLK_HOST1X };
2586 
2587 static struct tegra210_domain_mbist_war tegra210_pg_mbist_war[] = {
2588 	[TEGRA_POWERGATE_VENC] = {
2589 		.handle_lvl2_ovr = tegra210_venc_mbist_war,
2590 		.num_clks = ARRAY_SIZE(venc_slcg_clkids),
2591 		.clk_init_data = venc_slcg_clkids,
2592 	},
2593 	[TEGRA_POWERGATE_SATA] = {
2594 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2595 		.lvl2_offset = LVL2_CLK_GATE_OVRC,
2596 		.lvl2_mask = BIT(0) | BIT(17) | BIT(19),
2597 	},
2598 	[TEGRA_POWERGATE_MPE] = {
2599 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2600 		.lvl2_offset = LVL2_CLK_GATE_OVRE,
2601 		.lvl2_mask = BIT(29),
2602 	},
2603 	[TEGRA_POWERGATE_SOR] = {
2604 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2605 		.num_clks = ARRAY_SIZE(sor_slcg_clkids),
2606 		.clk_init_data = sor_slcg_clkids,
2607 		.lvl2_offset = LVL2_CLK_GATE_OVRA,
2608 		.lvl2_mask = BIT(1) | BIT(2),
2609 	},
2610 	[TEGRA_POWERGATE_DIS] = {
2611 		.handle_lvl2_ovr = tegra210_disp_mbist_war,
2612 		.num_clks = ARRAY_SIZE(disp_slcg_clkids),
2613 		.clk_init_data = disp_slcg_clkids,
2614 	},
2615 	[TEGRA_POWERGATE_DISB] = {
2616 		.num_clks = ARRAY_SIZE(disp_slcg_clkids),
2617 		.clk_init_data = disp_slcg_clkids,
2618 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2619 		.lvl2_offset = LVL2_CLK_GATE_OVRA,
2620 		.lvl2_mask = BIT(2),
2621 	},
2622 	[TEGRA_POWERGATE_XUSBA] = {
2623 		.num_clks = ARRAY_SIZE(xusba_slcg_clkids),
2624 		.clk_init_data = xusba_slcg_clkids,
2625 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2626 		.lvl2_offset = LVL2_CLK_GATE_OVRC,
2627 		.lvl2_mask = BIT(30) | BIT(31),
2628 	},
2629 	[TEGRA_POWERGATE_XUSBB] = {
2630 		.num_clks = ARRAY_SIZE(xusbb_slcg_clkids),
2631 		.clk_init_data = xusbb_slcg_clkids,
2632 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2633 		.lvl2_offset = LVL2_CLK_GATE_OVRC,
2634 		.lvl2_mask = BIT(30) | BIT(31),
2635 	},
2636 	[TEGRA_POWERGATE_XUSBC] = {
2637 		.num_clks = ARRAY_SIZE(xusbc_slcg_clkids),
2638 		.clk_init_data = xusbc_slcg_clkids,
2639 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2640 		.lvl2_offset = LVL2_CLK_GATE_OVRC,
2641 		.lvl2_mask = BIT(30) | BIT(31),
2642 	},
2643 	[TEGRA_POWERGATE_VIC] = {
2644 		.num_clks = ARRAY_SIZE(vic_slcg_clkids),
2645 		.clk_init_data = vic_slcg_clkids,
2646 		.handle_lvl2_ovr = tegra210_vic_mbist_war,
2647 	},
2648 	[TEGRA_POWERGATE_NVDEC] = {
2649 		.num_clks = ARRAY_SIZE(nvdec_slcg_clkids),
2650 		.clk_init_data = nvdec_slcg_clkids,
2651 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2652 		.lvl2_offset = LVL2_CLK_GATE_OVRE,
2653 		.lvl2_mask = BIT(9) | BIT(31),
2654 	},
2655 	[TEGRA_POWERGATE_NVJPG] = {
2656 		.num_clks = ARRAY_SIZE(nvjpg_slcg_clkids),
2657 		.clk_init_data = nvjpg_slcg_clkids,
2658 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2659 		.lvl2_offset = LVL2_CLK_GATE_OVRE,
2660 		.lvl2_mask = BIT(9) | BIT(31),
2661 	},
2662 	[TEGRA_POWERGATE_AUD] = {
2663 		.num_clks = ARRAY_SIZE(ape_slcg_clkids),
2664 		.clk_init_data = ape_slcg_clkids,
2665 		.handle_lvl2_ovr = tegra210_ape_mbist_war,
2666 	},
2667 	[TEGRA_POWERGATE_VE2] = {
2668 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2669 		.lvl2_offset = LVL2_CLK_GATE_OVRD,
2670 		.lvl2_mask = BIT(22),
2671 	},
2672 };
2673 
tegra210_clk_handle_mbist_war(unsigned int id)2674 int tegra210_clk_handle_mbist_war(unsigned int id)
2675 {
2676 	int err;
2677 	struct tegra210_domain_mbist_war *mbist_war;
2678 
2679 	if (id >= ARRAY_SIZE(tegra210_pg_mbist_war)) {
2680 		WARN(1, "unknown domain id in MBIST WAR handler\n");
2681 		return -EINVAL;
2682 	}
2683 
2684 	mbist_war = &tegra210_pg_mbist_war[id];
2685 	if (!mbist_war->handle_lvl2_ovr)
2686 		return 0;
2687 
2688 	if (mbist_war->num_clks && !mbist_war->clks)
2689 		return -ENODEV;
2690 
2691 	err = clk_bulk_prepare_enable(mbist_war->num_clks, mbist_war->clks);
2692 	if (err < 0)
2693 		return err;
2694 
2695 	mutex_lock(&lvl2_ovr_lock);
2696 
2697 	mbist_war->handle_lvl2_ovr(mbist_war);
2698 
2699 	mutex_unlock(&lvl2_ovr_lock);
2700 
2701 	clk_bulk_disable_unprepare(mbist_war->num_clks, mbist_war->clks);
2702 
2703 	return 0;
2704 }
2705 
tegra210_put_utmipll_in_iddq(void)2706 void tegra210_put_utmipll_in_iddq(void)
2707 {
2708 	u32 reg;
2709 
2710 	reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2711 
2712 	if (reg & UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK) {
2713 		pr_err("trying to assert IDDQ while UTMIPLL is locked\n");
2714 		return;
2715 	}
2716 
2717 	reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2718 	writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2719 }
2720 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_in_iddq);
2721 
tegra210_put_utmipll_out_iddq(void)2722 void tegra210_put_utmipll_out_iddq(void)
2723 {
2724 	u32 reg;
2725 
2726 	reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2727 	reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2728 	writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2729 }
2730 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_out_iddq);
2731 
tegra210_utmi_param_configure(void)2732 static void tegra210_utmi_param_configure(void)
2733 {
2734 	u32 reg;
2735 	int i;
2736 
2737 	for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
2738 		if (osc_freq == utmi_parameters[i].osc_frequency)
2739 			break;
2740 	}
2741 
2742 	if (i >= ARRAY_SIZE(utmi_parameters)) {
2743 		pr_err("%s: Unexpected oscillator freq %lu\n", __func__,
2744 			osc_freq);
2745 		return;
2746 	}
2747 
2748 	reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2749 	reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2750 	writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2751 
2752 	udelay(10);
2753 
2754 	reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2755 
2756 	/* Program UTMIP PLL stable and active counts */
2757 	/* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */
2758 	reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
2759 	reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count);
2760 
2761 	reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
2762 	reg |=
2763 	UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count);
2764 	writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2765 
2766 	/* Program UTMIP PLL delay and oscillator frequency counts */
2767 	reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2768 
2769 	reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
2770 	reg |=
2771 	UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count);
2772 
2773 	reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
2774 	reg |=
2775 	UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].xtal_freq_count);
2776 
2777 	reg |= UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
2778 	writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2779 
2780 	/* Remove power downs from UTMIP PLL control bits */
2781 	reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2782 	reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2783 	reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2784 	writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2785 
2786 	udelay(20);
2787 
2788 	/* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */
2789 	reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2790 	reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP;
2791 	reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP;
2792 	reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP;
2793 	reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
2794 	reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
2795 	reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN;
2796 	writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2797 
2798 	/* Setup HW control of UTMIPLL */
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 	reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2805 	reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET;
2806 	reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL;
2807 	writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2808 
2809 	udelay(1);
2810 
2811 	reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
2812 	reg &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY;
2813 	writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
2814 
2815 	udelay(1);
2816 
2817 	/* Enable HW control UTMIPLL */
2818 	reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2819 	reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE;
2820 	writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2821 }
2822 
tegra210_enable_pllu(void)2823 static int tegra210_enable_pllu(void)
2824 {
2825 	struct tegra_clk_pll_freq_table *fentry;
2826 	struct tegra_clk_pll pllu;
2827 	u32 reg;
2828 
2829 	for (fentry = pll_u_freq_table; fentry->input_rate; fentry++) {
2830 		if (fentry->input_rate == pll_ref_freq)
2831 			break;
2832 	}
2833 
2834 	if (!fentry->input_rate) {
2835 		pr_err("Unknown PLL_U reference frequency %lu\n", pll_ref_freq);
2836 		return -EINVAL;
2837 	}
2838 
2839 	/* clear IDDQ bit */
2840 	pllu.params = &pll_u_vco_params;
2841 	reg = readl_relaxed(clk_base + pllu.params->ext_misc_reg[0]);
2842 	reg &= ~BIT(pllu.params->iddq_bit_idx);
2843 	writel_relaxed(reg, clk_base + pllu.params->ext_misc_reg[0]);
2844 	udelay(5);
2845 
2846 	reg = readl_relaxed(clk_base + PLLU_BASE);
2847 	reg &= ~GENMASK(20, 0);
2848 	reg |= fentry->m;
2849 	reg |= fentry->n << 8;
2850 	reg |= fentry->p << 16;
2851 	writel(reg, clk_base + PLLU_BASE);
2852 	udelay(1);
2853 	reg |= PLL_ENABLE;
2854 	writel(reg, clk_base + PLLU_BASE);
2855 
2856 	readl_relaxed_poll_timeout_atomic(clk_base + PLLU_BASE, reg,
2857 					  reg & PLL_BASE_LOCK, 2, 1000);
2858 	if (!(reg & PLL_BASE_LOCK)) {
2859 		pr_err("Timed out waiting for PLL_U to lock\n");
2860 		return -ETIMEDOUT;
2861 	}
2862 
2863 	return 0;
2864 }
2865 
tegra210_init_pllu(void)2866 static int tegra210_init_pllu(void)
2867 {
2868 	u32 reg;
2869 	int err;
2870 
2871 	tegra210_pllu_set_defaults(&pll_u_vco_params);
2872 	/* skip initialization when pllu is in hw controlled mode */
2873 	reg = readl_relaxed(clk_base + PLLU_BASE);
2874 	if (reg & PLLU_BASE_OVERRIDE) {
2875 		if (!(reg & PLL_ENABLE)) {
2876 			err = tegra210_enable_pllu();
2877 			if (err < 0) {
2878 				WARN_ON(1);
2879 				return err;
2880 			}
2881 		}
2882 		/* enable hw controlled mode */
2883 		reg = readl_relaxed(clk_base + PLLU_BASE);
2884 		reg &= ~PLLU_BASE_OVERRIDE;
2885 		writel(reg, clk_base + PLLU_BASE);
2886 
2887 		reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2888 		reg |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE |
2889 		       PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT |
2890 		       PLLU_HW_PWRDN_CFG0_USE_LOCKDET;
2891 		reg &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL |
2892 			PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL);
2893 		writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2894 
2895 		reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
2896 		reg &= ~XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK;
2897 		writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
2898 		udelay(1);
2899 
2900 		reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2901 		reg |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE;
2902 		writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2903 		udelay(1);
2904 
2905 		reg = readl_relaxed(clk_base + PLLU_BASE);
2906 		reg &= ~PLLU_BASE_CLKENABLE_USB;
2907 		writel_relaxed(reg, clk_base + PLLU_BASE);
2908 	}
2909 
2910 	/* enable UTMIPLL hw control if not yet done by the bootloader */
2911 	reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2912 	if (!(reg & UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE))
2913 		tegra210_utmi_param_configure();
2914 
2915 	return 0;
2916 }
2917 
2918 static const char * const sor1_out_parents[] = {
2919 	/*
2920 	 * Bit 0 of the mux selects sor1_pad_clkout, irrespective of bit 1, so
2921 	 * the sor1_pad_clkout parent appears twice in the list below. This is
2922 	 * merely to support clk_get_parent() if firmware happened to set
2923 	 * these bits to 0b11. While not an invalid setting, code should
2924 	 * always set the bits to 0b01 to select sor1_pad_clkout.
2925 	 */
2926 	"sor_safe", "sor1_pad_clkout", "sor1", "sor1_pad_clkout",
2927 };
2928 
2929 static const char * const sor1_parents[] = {
2930 	"pll_p", "pll_d_out0", "pll_d2_out0", "clk_m",
2931 };
2932 
2933 static u32 sor1_parents_idx[] = { 0, 2, 5, 6 };
2934 
2935 static struct tegra_periph_init_data tegra210_periph[] = {
2936 	TEGRA_INIT_DATA_TABLE("sor1", NULL, NULL, sor1_parents,
2937 			      CLK_SOURCE_SOR1, 29, 0x7, 0, 0, 8, 1,
2938 			      TEGRA_DIVIDER_ROUND_UP, 183, 0, tegra_clk_sor1,
2939 			      sor1_parents_idx, 0, &sor1_lock),
2940 };
2941 
2942 static const char * const la_parents[] = {
2943 	"pll_p", "pll_c2", "pll_c", "pll_c3", "pll_re_out1", "pll_a1", "clk_m", "pll_c4_out0"
2944 };
2945 
2946 static struct tegra_clk_periph tegra210_la =
2947 	TEGRA_CLK_PERIPH(29, 7, 9, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, 76, 0, NULL, 0);
2948 
tegra210_periph_clk_init(void __iomem * clk_base,void __iomem * pmc_base)2949 static __init void tegra210_periph_clk_init(void __iomem *clk_base,
2950 					    void __iomem *pmc_base)
2951 {
2952 	struct clk *clk;
2953 	unsigned int i;
2954 
2955 	/* xusb_ss_div2 */
2956 	clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0,
2957 					1, 2);
2958 	clks[TEGRA210_CLK_XUSB_SS_DIV2] = clk;
2959 
2960 	clk = tegra_clk_register_periph_fixed("sor_safe", "pll_p", 0, clk_base,
2961 					      1, 17, 222);
2962 	clks[TEGRA210_CLK_SOR_SAFE] = clk;
2963 
2964 	clk = tegra_clk_register_periph_fixed("dpaux", "sor_safe", 0, clk_base,
2965 					      1, 17, 181);
2966 	clks[TEGRA210_CLK_DPAUX] = clk;
2967 
2968 	clk = tegra_clk_register_periph_fixed("dpaux1", "sor_safe", 0, clk_base,
2969 					      1, 17, 207);
2970 	clks[TEGRA210_CLK_DPAUX1] = clk;
2971 
2972 	clk = clk_register_mux_table(NULL, "sor1_out", sor1_out_parents,
2973 				     ARRAY_SIZE(sor1_out_parents), 0,
2974 				     clk_base + CLK_SOURCE_SOR1, 14, 0x3,
2975 				     0, NULL, &sor1_lock);
2976 	clks[TEGRA210_CLK_SOR1_OUT] = clk;
2977 
2978 	/* pll_d_dsi_out */
2979 	clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0,
2980 				clk_base + PLLD_MISC0, 21, 0, &pll_d_lock);
2981 	clks[TEGRA210_CLK_PLL_D_DSI_OUT] = clk;
2982 
2983 	/* dsia */
2984 	clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0,
2985 					     clk_base, 0, 48,
2986 					     periph_clk_enb_refcnt);
2987 	clks[TEGRA210_CLK_DSIA] = clk;
2988 
2989 	/* dsib */
2990 	clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0,
2991 					     clk_base, 0, 82,
2992 					     periph_clk_enb_refcnt);
2993 	clks[TEGRA210_CLK_DSIB] = clk;
2994 
2995 	/* la */
2996 	clk = tegra_clk_register_periph("la", la_parents,
2997 			ARRAY_SIZE(la_parents), &tegra210_la, clk_base,
2998 			CLK_SOURCE_LA, 0);
2999 	clks[TEGRA210_CLK_LA] = clk;
3000 
3001 	/* emc mux */
3002 	clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
3003 			       ARRAY_SIZE(mux_pllmcp_clkm), 0,
3004 			       clk_base + CLK_SOURCE_EMC,
3005 			       29, 3, 0, &emc_lock);
3006 
3007 	clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC,
3008 				    &emc_lock);
3009 	clks[TEGRA210_CLK_MC] = clk;
3010 
3011 	/* cml0 */
3012 	clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX,
3013 				0, 0, &pll_e_lock);
3014 	clk_register_clkdev(clk, "cml0", NULL);
3015 	clks[TEGRA210_CLK_CML0] = clk;
3016 
3017 	/* cml1 */
3018 	clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX,
3019 				1, 0, &pll_e_lock);
3020 	clk_register_clkdev(clk, "cml1", NULL);
3021 	clks[TEGRA210_CLK_CML1] = clk;
3022 
3023 	clk = tegra_clk_register_super_clk("aclk", aclk_parents,
3024 				ARRAY_SIZE(aclk_parents), 0, clk_base + 0x6e0,
3025 				0, NULL);
3026 	clks[TEGRA210_CLK_ACLK] = clk;
3027 
3028 	clk = tegra_clk_register_sdmmc_mux_div("sdmmc2", clk_base,
3029 					    CLK_SOURCE_SDMMC2, 9,
3030 					    TEGRA_DIVIDER_ROUND_UP, 0, NULL);
3031 	clks[TEGRA210_CLK_SDMMC2] = clk;
3032 
3033 	clk = tegra_clk_register_sdmmc_mux_div("sdmmc4", clk_base,
3034 					    CLK_SOURCE_SDMMC4, 15,
3035 					    TEGRA_DIVIDER_ROUND_UP, 0, NULL);
3036 	clks[TEGRA210_CLK_SDMMC4] = clk;
3037 
3038 	for (i = 0; i < ARRAY_SIZE(tegra210_periph); i++) {
3039 		struct tegra_periph_init_data *init = &tegra210_periph[i];
3040 		struct clk **clkp;
3041 
3042 		clkp = tegra_lookup_dt_id(init->clk_id, tegra210_clks);
3043 		if (!clkp) {
3044 			pr_warn("clock %u not found\n", init->clk_id);
3045 			continue;
3046 		}
3047 
3048 		clk = tegra_clk_register_periph_data(clk_base, init);
3049 		*clkp = clk;
3050 	}
3051 
3052 	tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params);
3053 }
3054 
tegra210_pll_init(void __iomem * clk_base,void __iomem * pmc)3055 static void __init tegra210_pll_init(void __iomem *clk_base,
3056 				     void __iomem *pmc)
3057 {
3058 	struct clk *clk;
3059 
3060 	/* PLLC */
3061 	clk = tegra_clk_register_pllc_tegra210("pll_c", "pll_ref", clk_base,
3062 			pmc, 0, &pll_c_params, NULL);
3063 	if (!WARN_ON(IS_ERR(clk)))
3064 		clk_register_clkdev(clk, "pll_c", NULL);
3065 	clks[TEGRA210_CLK_PLL_C] = clk;
3066 
3067 	/* PLLC_OUT1 */
3068 	clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
3069 			clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
3070 			8, 8, 1, NULL);
3071 	clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
3072 				clk_base + PLLC_OUT, 1, 0,
3073 				CLK_SET_RATE_PARENT, 0, NULL);
3074 	clk_register_clkdev(clk, "pll_c_out1", NULL);
3075 	clks[TEGRA210_CLK_PLL_C_OUT1] = clk;
3076 
3077 	/* PLLC_UD */
3078 	clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c",
3079 					CLK_SET_RATE_PARENT, 1, 1);
3080 	clk_register_clkdev(clk, "pll_c_ud", NULL);
3081 	clks[TEGRA210_CLK_PLL_C_UD] = clk;
3082 
3083 	/* PLLC2 */
3084 	clk = tegra_clk_register_pllc_tegra210("pll_c2", "pll_ref", clk_base,
3085 			     pmc, 0, &pll_c2_params, NULL);
3086 	clk_register_clkdev(clk, "pll_c2", NULL);
3087 	clks[TEGRA210_CLK_PLL_C2] = clk;
3088 
3089 	/* PLLC3 */
3090 	clk = tegra_clk_register_pllc_tegra210("pll_c3", "pll_ref", clk_base,
3091 			     pmc, 0, &pll_c3_params, NULL);
3092 	clk_register_clkdev(clk, "pll_c3", NULL);
3093 	clks[TEGRA210_CLK_PLL_C3] = clk;
3094 
3095 	/* PLLM */
3096 	clk = tegra_clk_register_pllm("pll_m", "osc", clk_base, pmc,
3097 			     CLK_SET_RATE_GATE, &pll_m_params, NULL);
3098 	clk_register_clkdev(clk, "pll_m", NULL);
3099 	clks[TEGRA210_CLK_PLL_M] = clk;
3100 
3101 	/* PLLMB */
3102 	clk = tegra_clk_register_pllmb("pll_mb", "osc", clk_base, pmc,
3103 			     CLK_SET_RATE_GATE, &pll_mb_params, NULL);
3104 	clk_register_clkdev(clk, "pll_mb", NULL);
3105 	clks[TEGRA210_CLK_PLL_MB] = clk;
3106 
3107 	/* PLLM_UD */
3108 	clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m",
3109 					CLK_SET_RATE_PARENT, 1, 1);
3110 	clk_register_clkdev(clk, "pll_m_ud", NULL);
3111 	clks[TEGRA210_CLK_PLL_M_UD] = clk;
3112 
3113 	/* PLLU_VCO */
3114 	if (!tegra210_init_pllu()) {
3115 		clk = clk_register_fixed_rate(NULL, "pll_u_vco", "pll_ref", 0,
3116 					      480*1000*1000);
3117 		clk_register_clkdev(clk, "pll_u_vco", NULL);
3118 		clks[TEGRA210_CLK_PLL_U] = clk;
3119 	}
3120 
3121 	/* PLLU_OUT */
3122 	clk = clk_register_divider_table(NULL, "pll_u_out", "pll_u_vco", 0,
3123 					 clk_base + PLLU_BASE, 16, 4, 0,
3124 					 pll_vco_post_div_table, NULL);
3125 	clk_register_clkdev(clk, "pll_u_out", NULL);
3126 	clks[TEGRA210_CLK_PLL_U_OUT] = clk;
3127 
3128 	/* PLLU_OUT1 */
3129 	clk = tegra_clk_register_divider("pll_u_out1_div", "pll_u_out",
3130 				clk_base + PLLU_OUTA, 0,
3131 				TEGRA_DIVIDER_ROUND_UP,
3132 				8, 8, 1, &pll_u_lock);
3133 	clk = tegra_clk_register_pll_out("pll_u_out1", "pll_u_out1_div",
3134 				clk_base + PLLU_OUTA, 1, 0,
3135 				CLK_SET_RATE_PARENT, 0, &pll_u_lock);
3136 	clk_register_clkdev(clk, "pll_u_out1", NULL);
3137 	clks[TEGRA210_CLK_PLL_U_OUT1] = clk;
3138 
3139 	/* PLLU_OUT2 */
3140 	clk = tegra_clk_register_divider("pll_u_out2_div", "pll_u_out",
3141 				clk_base + PLLU_OUTA, 0,
3142 				TEGRA_DIVIDER_ROUND_UP,
3143 				24, 8, 1, &pll_u_lock);
3144 	clk = tegra_clk_register_pll_out("pll_u_out2", "pll_u_out2_div",
3145 				clk_base + PLLU_OUTA, 17, 16,
3146 				CLK_SET_RATE_PARENT, 0, &pll_u_lock);
3147 	clk_register_clkdev(clk, "pll_u_out2", NULL);
3148 	clks[TEGRA210_CLK_PLL_U_OUT2] = clk;
3149 
3150 	/* PLLU_480M */
3151 	clk = clk_register_gate(NULL, "pll_u_480M", "pll_u_vco",
3152 				CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
3153 				22, 0, &pll_u_lock);
3154 	clk_register_clkdev(clk, "pll_u_480M", NULL);
3155 	clks[TEGRA210_CLK_PLL_U_480M] = clk;
3156 
3157 	/* PLLU_60M */
3158 	clk = clk_register_gate(NULL, "pll_u_60M", "pll_u_out2",
3159 				CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
3160 				23, 0, &pll_u_lock);
3161 	clk_register_clkdev(clk, "pll_u_60M", NULL);
3162 	clks[TEGRA210_CLK_PLL_U_60M] = clk;
3163 
3164 	/* PLLU_48M */
3165 	clk = clk_register_gate(NULL, "pll_u_48M", "pll_u_out1",
3166 				CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
3167 				25, 0, &pll_u_lock);
3168 	clk_register_clkdev(clk, "pll_u_48M", NULL);
3169 	clks[TEGRA210_CLK_PLL_U_48M] = clk;
3170 
3171 	/* PLLD */
3172 	clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0,
3173 			    &pll_d_params, &pll_d_lock);
3174 	clk_register_clkdev(clk, "pll_d", NULL);
3175 	clks[TEGRA210_CLK_PLL_D] = clk;
3176 
3177 	/* PLLD_OUT0 */
3178 	clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
3179 					CLK_SET_RATE_PARENT, 1, 2);
3180 	clk_register_clkdev(clk, "pll_d_out0", NULL);
3181 	clks[TEGRA210_CLK_PLL_D_OUT0] = clk;
3182 
3183 	/* PLLRE */
3184 	clk = tegra_clk_register_pllre_tegra210("pll_re_vco", "pll_ref",
3185 						clk_base, pmc, 0,
3186 						&pll_re_vco_params,
3187 						&pll_re_lock, pll_ref_freq);
3188 	clk_register_clkdev(clk, "pll_re_vco", NULL);
3189 	clks[TEGRA210_CLK_PLL_RE_VCO] = clk;
3190 
3191 	clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0,
3192 					 clk_base + PLLRE_BASE, 16, 5, 0,
3193 					 pll_vco_post_div_table, &pll_re_lock);
3194 	clk_register_clkdev(clk, "pll_re_out", NULL);
3195 	clks[TEGRA210_CLK_PLL_RE_OUT] = clk;
3196 
3197 	clk = tegra_clk_register_divider("pll_re_out1_div", "pll_re_vco",
3198 					 clk_base + PLLRE_OUT1, 0,
3199 					 TEGRA_DIVIDER_ROUND_UP,
3200 					 8, 8, 1, NULL);
3201 	clk = tegra_clk_register_pll_out("pll_re_out1", "pll_re_out1_div",
3202 					 clk_base + PLLRE_OUT1, 1, 0,
3203 					 CLK_SET_RATE_PARENT, 0, NULL);
3204 	clks[TEGRA210_CLK_PLL_RE_OUT1] = clk;
3205 
3206 	/* PLLE */
3207 	clk = tegra_clk_register_plle_tegra210("pll_e", "pll_ref",
3208 				      clk_base, 0, &pll_e_params, NULL);
3209 	clk_register_clkdev(clk, "pll_e", NULL);
3210 	clks[TEGRA210_CLK_PLL_E] = clk;
3211 
3212 	/* PLLC4 */
3213 	clk = tegra_clk_register_pllre("pll_c4_vco", "pll_ref", clk_base, pmc,
3214 			     0, &pll_c4_vco_params, NULL, pll_ref_freq);
3215 	clk_register_clkdev(clk, "pll_c4_vco", NULL);
3216 	clks[TEGRA210_CLK_PLL_C4] = clk;
3217 
3218 	/* PLLC4_OUT0 */
3219 	clk = clk_register_divider_table(NULL, "pll_c4_out0", "pll_c4_vco", 0,
3220 					 clk_base + PLLC4_BASE, 19, 4, 0,
3221 					 pll_vco_post_div_table, NULL);
3222 	clk_register_clkdev(clk, "pll_c4_out0", NULL);
3223 	clks[TEGRA210_CLK_PLL_C4_OUT0] = clk;
3224 
3225 	/* PLLC4_OUT1 */
3226 	clk = clk_register_fixed_factor(NULL, "pll_c4_out1", "pll_c4_vco",
3227 					CLK_SET_RATE_PARENT, 1, 3);
3228 	clk_register_clkdev(clk, "pll_c4_out1", NULL);
3229 	clks[TEGRA210_CLK_PLL_C4_OUT1] = clk;
3230 
3231 	/* PLLC4_OUT2 */
3232 	clk = clk_register_fixed_factor(NULL, "pll_c4_out2", "pll_c4_vco",
3233 					CLK_SET_RATE_PARENT, 1, 5);
3234 	clk_register_clkdev(clk, "pll_c4_out2", NULL);
3235 	clks[TEGRA210_CLK_PLL_C4_OUT2] = clk;
3236 
3237 	/* PLLC4_OUT3 */
3238 	clk = tegra_clk_register_divider("pll_c4_out3_div", "pll_c4_out0",
3239 			clk_base + PLLC4_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
3240 			8, 8, 1, NULL);
3241 	clk = tegra_clk_register_pll_out("pll_c4_out3", "pll_c4_out3_div",
3242 				clk_base + PLLC4_OUT, 1, 0,
3243 				CLK_SET_RATE_PARENT, 0, NULL);
3244 	clk_register_clkdev(clk, "pll_c4_out3", NULL);
3245 	clks[TEGRA210_CLK_PLL_C4_OUT3] = clk;
3246 
3247 	/* PLLDP */
3248 	clk = tegra_clk_register_pllss_tegra210("pll_dp", "pll_ref", clk_base,
3249 					0, &pll_dp_params, NULL);
3250 	clk_register_clkdev(clk, "pll_dp", NULL);
3251 	clks[TEGRA210_CLK_PLL_DP] = clk;
3252 
3253 	/* PLLD2 */
3254 	clk = tegra_clk_register_pllss_tegra210("pll_d2", "pll_ref", clk_base,
3255 					0, &pll_d2_params, NULL);
3256 	clk_register_clkdev(clk, "pll_d2", NULL);
3257 	clks[TEGRA210_CLK_PLL_D2] = clk;
3258 
3259 	/* PLLD2_OUT0 */
3260 	clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
3261 					CLK_SET_RATE_PARENT, 1, 1);
3262 	clk_register_clkdev(clk, "pll_d2_out0", NULL);
3263 	clks[TEGRA210_CLK_PLL_D2_OUT0] = clk;
3264 
3265 	/* PLLP_OUT2 */
3266 	clk = clk_register_fixed_factor(NULL, "pll_p_out2", "pll_p",
3267 					CLK_SET_RATE_PARENT, 1, 2);
3268 	clk_register_clkdev(clk, "pll_p_out2", NULL);
3269 	clks[TEGRA210_CLK_PLL_P_OUT2] = clk;
3270 
3271 }
3272 
3273 /* Tegra210 CPU clock and reset control functions */
tegra210_wait_cpu_in_reset(u32 cpu)3274 static void tegra210_wait_cpu_in_reset(u32 cpu)
3275 {
3276 	unsigned int reg;
3277 
3278 	do {
3279 		reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
3280 		cpu_relax();
3281 	} while (!(reg & (1 << cpu)));  /* check CPU been reset or not */
3282 }
3283 
tegra210_disable_cpu_clock(u32 cpu)3284 static void tegra210_disable_cpu_clock(u32 cpu)
3285 {
3286 	/* flow controller would take care in the power sequence. */
3287 }
3288 
3289 #ifdef CONFIG_PM_SLEEP
tegra210_cpu_clock_suspend(void)3290 static void tegra210_cpu_clock_suspend(void)
3291 {
3292 	/* switch coresite to clk_m, save off original source */
3293 	tegra210_cpu_clk_sctx.clk_csite_src =
3294 				readl(clk_base + CLK_SOURCE_CSITE);
3295 	writel(3 << 30, clk_base + CLK_SOURCE_CSITE);
3296 }
3297 
tegra210_cpu_clock_resume(void)3298 static void tegra210_cpu_clock_resume(void)
3299 {
3300 	writel(tegra210_cpu_clk_sctx.clk_csite_src,
3301 				clk_base + CLK_SOURCE_CSITE);
3302 }
3303 #endif
3304 
3305 static struct tegra_cpu_car_ops tegra210_cpu_car_ops = {
3306 	.wait_for_reset	= tegra210_wait_cpu_in_reset,
3307 	.disable_clock	= tegra210_disable_cpu_clock,
3308 #ifdef CONFIG_PM_SLEEP
3309 	.suspend	= tegra210_cpu_clock_suspend,
3310 	.resume		= tegra210_cpu_clock_resume,
3311 #endif
3312 };
3313 
3314 static const struct of_device_id pmc_match[] __initconst = {
3315 	{ .compatible = "nvidia,tegra210-pmc" },
3316 	{ },
3317 };
3318 
3319 static struct tegra_clk_init_table init_table[] __initdata = {
3320 	{ TEGRA210_CLK_UARTA, TEGRA210_CLK_PLL_P, 408000000, 0 },
3321 	{ TEGRA210_CLK_UARTB, TEGRA210_CLK_PLL_P, 408000000, 0 },
3322 	{ TEGRA210_CLK_UARTC, TEGRA210_CLK_PLL_P, 408000000, 0 },
3323 	{ TEGRA210_CLK_UARTD, TEGRA210_CLK_PLL_P, 408000000, 0 },
3324 	{ TEGRA210_CLK_PLL_A, TEGRA210_CLK_CLK_MAX, 564480000, 1 },
3325 	{ TEGRA210_CLK_PLL_A_OUT0, TEGRA210_CLK_CLK_MAX, 11289600, 1 },
3326 	{ TEGRA210_CLK_EXTERN1, TEGRA210_CLK_PLL_A_OUT0, 0, 1 },
3327 	{ TEGRA210_CLK_CLK_OUT_1_MUX, TEGRA210_CLK_EXTERN1, 0, 1 },
3328 	{ TEGRA210_CLK_CLK_OUT_1, TEGRA210_CLK_CLK_MAX, 0, 1 },
3329 	{ TEGRA210_CLK_I2S0, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3330 	{ TEGRA210_CLK_I2S1, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3331 	{ TEGRA210_CLK_I2S2, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3332 	{ TEGRA210_CLK_I2S3, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3333 	{ TEGRA210_CLK_I2S4, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3334 	{ TEGRA210_CLK_HOST1X, TEGRA210_CLK_PLL_P, 136000000, 1 },
3335 	{ TEGRA210_CLK_SCLK_MUX, TEGRA210_CLK_PLL_P, 0, 1 },
3336 	{ TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 0 },
3337 	{ TEGRA210_CLK_DFLL_SOC, TEGRA210_CLK_PLL_P, 51000000, 1 },
3338 	{ TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 },
3339 	{ TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 },
3340 	{ TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 },
3341 	{ TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 },
3342 	{ TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 },
3343 	{ TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 },
3344 	{ TEGRA210_CLK_XUSB_HS_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
3345 	{ TEGRA210_CLK_XUSB_SSP_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
3346 	{ TEGRA210_CLK_XUSB_FALCON_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 204000000, 0 },
3347 	{ TEGRA210_CLK_XUSB_HOST_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
3348 	{ TEGRA210_CLK_XUSB_DEV_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
3349 	{ TEGRA210_CLK_SATA, TEGRA210_CLK_PLL_P, 104000000, 0 },
3350 	{ TEGRA210_CLK_SATA_OOB, TEGRA210_CLK_PLL_P, 204000000, 0 },
3351 	{ TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 },
3352 	{ TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 },
3353 	/* TODO find a way to enable this on-demand */
3354 	{ TEGRA210_CLK_DBGAPB, TEGRA210_CLK_CLK_MAX, 0, 1 },
3355 	{ TEGRA210_CLK_TSENSOR, TEGRA210_CLK_CLK_M, 400000, 0 },
3356 	{ TEGRA210_CLK_I2C1, TEGRA210_CLK_PLL_P, 0, 0 },
3357 	{ TEGRA210_CLK_I2C2, TEGRA210_CLK_PLL_P, 0, 0 },
3358 	{ TEGRA210_CLK_I2C3, TEGRA210_CLK_PLL_P, 0, 0 },
3359 	{ TEGRA210_CLK_I2C4, TEGRA210_CLK_PLL_P, 0, 0 },
3360 	{ TEGRA210_CLK_I2C5, TEGRA210_CLK_PLL_P, 0, 0 },
3361 	{ TEGRA210_CLK_I2C6, TEGRA210_CLK_PLL_P, 0, 0 },
3362 	{ TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 },
3363 	{ TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 },
3364 	{ TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 },
3365 	{ TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 },
3366 	{ TEGRA210_CLK_SPDIF_IN_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3367 	{ TEGRA210_CLK_I2S0_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3368 	{ TEGRA210_CLK_I2S1_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3369 	{ TEGRA210_CLK_I2S2_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3370 	{ TEGRA210_CLK_I2S3_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3371 	{ TEGRA210_CLK_I2S4_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3372 	{ TEGRA210_CLK_VIMCLK_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3373 	{ TEGRA210_CLK_HDA, TEGRA210_CLK_PLL_P, 51000000, 0 },
3374 	{ TEGRA210_CLK_HDA2CODEC_2X, TEGRA210_CLK_PLL_P, 48000000, 0 },
3375 	/* This MUST be the last entry. */
3376 	{ TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 },
3377 };
3378 
3379 /**
3380  * tegra210_clock_apply_init_table - initialize clocks on Tegra210 SoCs
3381  *
3382  * Program an initial clock rate and enable or disable clocks needed
3383  * by the rest of the kernel, for Tegra210 SoCs.  It is intended to be
3384  * called by assigning a pointer to it to tegra_clk_apply_init_table -
3385  * this will be called as an arch_initcall.  No return value.
3386  */
tegra210_clock_apply_init_table(void)3387 static void __init tegra210_clock_apply_init_table(void)
3388 {
3389 	tegra_init_from_table(init_table, clks, TEGRA210_CLK_CLK_MAX);
3390 }
3391 
3392 /**
3393  * tegra210_car_barrier - wait for pending writes to the CAR to complete
3394  *
3395  * Wait for any outstanding writes to the CAR MMIO space from this CPU
3396  * to complete before continuing execution.  No return value.
3397  */
tegra210_car_barrier(void)3398 static void tegra210_car_barrier(void)
3399 {
3400 	readl_relaxed(clk_base + RST_DFLL_DVCO);
3401 }
3402 
3403 /**
3404  * tegra210_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset
3405  *
3406  * Assert the reset line of the DFLL's DVCO.  No return value.
3407  */
tegra210_clock_assert_dfll_dvco_reset(void)3408 static void tegra210_clock_assert_dfll_dvco_reset(void)
3409 {
3410 	u32 v;
3411 
3412 	v = readl_relaxed(clk_base + RST_DFLL_DVCO);
3413 	v |= (1 << DVFS_DFLL_RESET_SHIFT);
3414 	writel_relaxed(v, clk_base + RST_DFLL_DVCO);
3415 	tegra210_car_barrier();
3416 }
3417 
3418 /**
3419  * tegra210_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset
3420  *
3421  * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to
3422  * operate.  No return value.
3423  */
tegra210_clock_deassert_dfll_dvco_reset(void)3424 static void tegra210_clock_deassert_dfll_dvco_reset(void)
3425 {
3426 	u32 v;
3427 
3428 	v = readl_relaxed(clk_base + RST_DFLL_DVCO);
3429 	v &= ~(1 << DVFS_DFLL_RESET_SHIFT);
3430 	writel_relaxed(v, clk_base + RST_DFLL_DVCO);
3431 	tegra210_car_barrier();
3432 }
3433 
tegra210_reset_assert(unsigned long id)3434 static int tegra210_reset_assert(unsigned long id)
3435 {
3436 	if (id == TEGRA210_RST_DFLL_DVCO)
3437 		tegra210_clock_assert_dfll_dvco_reset();
3438 	else if (id == TEGRA210_RST_ADSP)
3439 		writel(GENMASK(26, 21) | BIT(7),
3440 			clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_SET);
3441 	else
3442 		return -EINVAL;
3443 
3444 	return 0;
3445 }
3446 
tegra210_reset_deassert(unsigned long id)3447 static int tegra210_reset_deassert(unsigned long id)
3448 {
3449 	if (id == TEGRA210_RST_DFLL_DVCO)
3450 		tegra210_clock_deassert_dfll_dvco_reset();
3451 	else if (id == TEGRA210_RST_ADSP) {
3452 		writel(BIT(21), clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
3453 		/*
3454 		 * Considering adsp cpu clock (min: 12.5MHZ, max: 1GHz)
3455 		 * a delay of 5us ensures that it's at least
3456 		 * 6 * adsp_cpu_cycle_period long.
3457 		 */
3458 		udelay(5);
3459 		writel(GENMASK(26, 22) | BIT(7),
3460 			clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
3461 	} else
3462 		return -EINVAL;
3463 
3464 	return 0;
3465 }
3466 
tegra210_mbist_clk_init(void)3467 static void tegra210_mbist_clk_init(void)
3468 {
3469 	unsigned int i, j;
3470 
3471 	for (i = 0; i < ARRAY_SIZE(tegra210_pg_mbist_war); i++) {
3472 		unsigned int num_clks = tegra210_pg_mbist_war[i].num_clks;
3473 		struct clk_bulk_data *clk_data;
3474 
3475 		if (!num_clks)
3476 			continue;
3477 
3478 		clk_data = kmalloc_array(num_clks, sizeof(*clk_data),
3479 					 GFP_KERNEL);
3480 		if (WARN_ON(!clk_data))
3481 			return;
3482 
3483 		tegra210_pg_mbist_war[i].clks = clk_data;
3484 		for (j = 0; j < num_clks; j++) {
3485 			int clk_id = tegra210_pg_mbist_war[i].clk_init_data[j];
3486 			struct clk *clk = clks[clk_id];
3487 
3488 			if (WARN(IS_ERR(clk), "clk_id: %d\n", clk_id)) {
3489 				kfree(clk_data);
3490 				tegra210_pg_mbist_war[i].clks = NULL;
3491 				break;
3492 			}
3493 			clk_data[j].clk = clk;
3494 		}
3495 	}
3496 }
3497 
3498 /**
3499  * tegra210_clock_init - Tegra210-specific clock initialization
3500  * @np: struct device_node * of the DT node for the SoC CAR IP block
3501  *
3502  * Register most SoC clocks for the Tegra210 system-on-chip.  Intended
3503  * to be called by the OF init code when a DT node with the
3504  * "nvidia,tegra210-car" string is encountered, and declared with
3505  * CLK_OF_DECLARE.  No return value.
3506  */
tegra210_clock_init(struct device_node * np)3507 static void __init tegra210_clock_init(struct device_node *np)
3508 {
3509 	struct device_node *node;
3510 	u32 value, clk_m_div;
3511 
3512 	clk_base = of_iomap(np, 0);
3513 	if (!clk_base) {
3514 		pr_err("ioremap tegra210 CAR failed\n");
3515 		return;
3516 	}
3517 
3518 	node = of_find_matching_node(NULL, pmc_match);
3519 	if (!node) {
3520 		pr_err("Failed to find pmc node\n");
3521 		WARN_ON(1);
3522 		return;
3523 	}
3524 
3525 	pmc_base = of_iomap(node, 0);
3526 	if (!pmc_base) {
3527 		pr_err("Can't map pmc registers\n");
3528 		WARN_ON(1);
3529 		return;
3530 	}
3531 
3532 	ahub_base = ioremap(TEGRA210_AHUB_BASE, SZ_64K);
3533 	if (!ahub_base) {
3534 		pr_err("ioremap tegra210 APE failed\n");
3535 		return;
3536 	}
3537 
3538 	dispa_base = ioremap(TEGRA210_DISPA_BASE, SZ_256K);
3539 	if (!dispa_base) {
3540 		pr_err("ioremap tegra210 DISPA failed\n");
3541 		return;
3542 	}
3543 
3544 	vic_base = ioremap(TEGRA210_VIC_BASE, SZ_256K);
3545 	if (!vic_base) {
3546 		pr_err("ioremap tegra210 VIC failed\n");
3547 		return;
3548 	}
3549 
3550 	clks = tegra_clk_init(clk_base, TEGRA210_CLK_CLK_MAX,
3551 			      TEGRA210_CAR_BANK_COUNT);
3552 	if (!clks)
3553 		return;
3554 
3555 	value = readl(clk_base + SPARE_REG0) >> CLK_M_DIVISOR_SHIFT;
3556 	clk_m_div = (value & CLK_M_DIVISOR_MASK) + 1;
3557 
3558 	if (tegra_osc_clk_init(clk_base, tegra210_clks, tegra210_input_freq,
3559 			       ARRAY_SIZE(tegra210_input_freq), clk_m_div,
3560 			       &osc_freq, &pll_ref_freq) < 0)
3561 		return;
3562 
3563 	tegra_fixed_clk_init(tegra210_clks);
3564 	tegra210_pll_init(clk_base, pmc_base);
3565 	tegra210_periph_clk_init(clk_base, pmc_base);
3566 	tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks,
3567 			     tegra210_audio_plls,
3568 			     ARRAY_SIZE(tegra210_audio_plls), 24576000);
3569 	tegra_pmc_clk_init(pmc_base, tegra210_clks);
3570 
3571 	/* For Tegra210, PLLD is the only source for DSIA & DSIB */
3572 	value = readl(clk_base + PLLD_BASE);
3573 	value &= ~BIT(25);
3574 	writel(value, clk_base + PLLD_BASE);
3575 
3576 	tegra_clk_apply_init_table = tegra210_clock_apply_init_table;
3577 
3578 	tegra_super_clk_gen5_init(clk_base, pmc_base, tegra210_clks,
3579 				  &pll_x_params);
3580 	tegra_init_special_resets(2, tegra210_reset_assert,
3581 				  tegra210_reset_deassert);
3582 
3583 	tegra_add_of_provider(np, of_clk_src_onecell_get);
3584 	tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
3585 
3586 	tegra210_mbist_clk_init();
3587 
3588 	tegra_cpu_car_ops = &tegra210_cpu_car_ops;
3589 }
3590 CLK_OF_DECLARE(tegra210, "nvidia,tegra210-car", tegra210_clock_init);
3591