1 /*
2 * Copyright (c) 2012-2014 NVIDIA CORPORATION. All rights reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms and conditions of the GNU General Public License,
6 * version 2, as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
11 * more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16
17 #include <linux/io.h>
18 #include <linux/clk-provider.h>
19 #include <linux/clkdev.h>
20 #include <linux/of.h>
21 #include <linux/of_address.h>
22 #include <linux/delay.h>
23 #include <linux/export.h>
24 #include <linux/clk/tegra.h>
25 #include <dt-bindings/clock/tegra124-car.h>
26 #include <dt-bindings/reset/tegra124-car.h>
27
28 #include "clk.h"
29 #include "clk-id.h"
30
31 /*
32 * TEGRA124_CAR_BANK_COUNT: the number of peripheral clock register
33 * banks present in the Tegra124/132 CAR IP block. The banks are
34 * identified by single letters, e.g.: L, H, U, V, W, X. See
35 * periph_regs[] in drivers/clk/tegra/clk.c
36 */
37 #define TEGRA124_CAR_BANK_COUNT 6
38
39 #define CLK_SOURCE_CSITE 0x1d4
40 #define CLK_SOURCE_EMC 0x19c
41
42 #define RST_DFLL_DVCO 0x2f4
43 #define DVFS_DFLL_RESET_SHIFT 0
44
45 #define PLLC_BASE 0x80
46 #define PLLC_OUT 0x84
47 #define PLLC_MISC2 0x88
48 #define PLLC_MISC 0x8c
49 #define PLLC2_BASE 0x4e8
50 #define PLLC2_MISC 0x4ec
51 #define PLLC3_BASE 0x4fc
52 #define PLLC3_MISC 0x500
53 #define PLLM_BASE 0x90
54 #define PLLM_OUT 0x94
55 #define PLLM_MISC 0x9c
56 #define PLLP_BASE 0xa0
57 #define PLLP_MISC 0xac
58 #define PLLA_BASE 0xb0
59 #define PLLA_MISC 0xbc
60 #define PLLD_BASE 0xd0
61 #define PLLD_MISC 0xdc
62 #define PLLU_BASE 0xc0
63 #define PLLU_MISC 0xcc
64 #define PLLX_BASE 0xe0
65 #define PLLX_MISC 0xe4
66 #define PLLX_MISC2 0x514
67 #define PLLX_MISC3 0x518
68 #define PLLE_BASE 0xe8
69 #define PLLE_MISC 0xec
70 #define PLLD2_BASE 0x4b8
71 #define PLLD2_MISC 0x4bc
72 #define PLLE_AUX 0x48c
73 #define PLLRE_BASE 0x4c4
74 #define PLLRE_MISC 0x4c8
75 #define PLLDP_BASE 0x590
76 #define PLLDP_MISC 0x594
77 #define PLLC4_BASE 0x5a4
78 #define PLLC4_MISC 0x5a8
79
80 #define PLLC_IDDQ_BIT 26
81 #define PLLRE_IDDQ_BIT 16
82 #define PLLSS_IDDQ_BIT 19
83
84 #define PLL_BASE_LOCK BIT(27)
85 #define PLLE_MISC_LOCK BIT(11)
86 #define PLLRE_MISC_LOCK BIT(24)
87
88 #define PLL_MISC_LOCK_ENABLE 18
89 #define PLLC_MISC_LOCK_ENABLE 24
90 #define PLLDU_MISC_LOCK_ENABLE 22
91 #define PLLE_MISC_LOCK_ENABLE 9
92 #define PLLRE_MISC_LOCK_ENABLE 30
93 #define PLLSS_MISC_LOCK_ENABLE 30
94
95 #define PLLXC_SW_MAX_P 6
96
97 #define PMC_PLLM_WB0_OVERRIDE 0x1dc
98 #define PMC_PLLM_WB0_OVERRIDE_2 0x2b0
99
100 #define CCLKG_BURST_POLICY 0x368
101
102 /* Tegra CPU clock and reset control regs */
103 #define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470
104
105 #ifdef CONFIG_PM_SLEEP
106 static struct cpu_clk_suspend_context {
107 u32 clk_csite_src;
108 u32 cclkg_burst;
109 u32 cclkg_divider;
110 } tegra124_cpu_clk_sctx;
111 #endif
112
113 static void __iomem *clk_base;
114 static void __iomem *pmc_base;
115
116 static unsigned long osc_freq;
117 static unsigned long pll_ref_freq;
118
119 static DEFINE_SPINLOCK(pll_d_lock);
120 static DEFINE_SPINLOCK(pll_e_lock);
121 static DEFINE_SPINLOCK(pll_re_lock);
122 static DEFINE_SPINLOCK(pll_u_lock);
123 static DEFINE_SPINLOCK(emc_lock);
124
125 /* possible OSC frequencies in Hz */
126 static unsigned long tegra124_input_freq[] = {
127 [ 0] = 13000000,
128 [ 1] = 16800000,
129 [ 4] = 19200000,
130 [ 5] = 38400000,
131 [ 8] = 12000000,
132 [ 9] = 48000000,
133 [12] = 26000000,
134 };
135
136 static struct div_nmp pllxc_nmp = {
137 .divm_shift = 0,
138 .divm_width = 8,
139 .divn_shift = 8,
140 .divn_width = 8,
141 .divp_shift = 20,
142 .divp_width = 4,
143 };
144
145 static const struct pdiv_map pllxc_p[] = {
146 { .pdiv = 1, .hw_val = 0 },
147 { .pdiv = 2, .hw_val = 1 },
148 { .pdiv = 3, .hw_val = 2 },
149 { .pdiv = 4, .hw_val = 3 },
150 { .pdiv = 5, .hw_val = 4 },
151 { .pdiv = 6, .hw_val = 5 },
152 { .pdiv = 8, .hw_val = 6 },
153 { .pdiv = 10, .hw_val = 7 },
154 { .pdiv = 12, .hw_val = 8 },
155 { .pdiv = 16, .hw_val = 9 },
156 { .pdiv = 12, .hw_val = 10 },
157 { .pdiv = 16, .hw_val = 11 },
158 { .pdiv = 20, .hw_val = 12 },
159 { .pdiv = 24, .hw_val = 13 },
160 { .pdiv = 32, .hw_val = 14 },
161 { .pdiv = 0, .hw_val = 0 },
162 };
163
164 static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
165 /* 1 GHz */
166 { 12000000, 1000000000, 83, 1, 1, 0 }, /* actual: 996.0 MHz */
167 { 13000000, 1000000000, 76, 1, 1, 0 }, /* actual: 988.0 MHz */
168 { 16800000, 1000000000, 59, 1, 1, 0 }, /* actual: 991.2 MHz */
169 { 19200000, 1000000000, 52, 1, 1, 0 }, /* actual: 998.4 MHz */
170 { 26000000, 1000000000, 76, 2, 1, 0 }, /* actual: 988.0 MHz */
171 { 0, 0, 0, 0, 0, 0 },
172 };
173
174 static struct tegra_clk_pll_params pll_x_params = {
175 .input_min = 12000000,
176 .input_max = 800000000,
177 .cf_min = 12000000,
178 .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
179 .vco_min = 700000000,
180 .vco_max = 3000000000UL,
181 .base_reg = PLLX_BASE,
182 .misc_reg = PLLX_MISC,
183 .lock_mask = PLL_BASE_LOCK,
184 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
185 .lock_delay = 300,
186 .iddq_reg = PLLX_MISC3,
187 .iddq_bit_idx = 3,
188 .max_p = 6,
189 .dyn_ramp_reg = PLLX_MISC2,
190 .stepa_shift = 16,
191 .stepb_shift = 24,
192 .pdiv_tohw = pllxc_p,
193 .div_nmp = &pllxc_nmp,
194 .freq_table = pll_x_freq_table,
195 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
196 };
197
198 static struct tegra_clk_pll_freq_table pll_c_freq_table[] = {
199 { 12000000, 624000000, 104, 1, 2, 0 },
200 { 12000000, 600000000, 100, 1, 2, 0 },
201 { 13000000, 600000000, 92, 1, 2, 0 }, /* actual: 598.0 MHz */
202 { 16800000, 600000000, 71, 1, 2, 0 }, /* actual: 596.4 MHz */
203 { 19200000, 600000000, 62, 1, 2, 0 }, /* actual: 595.2 MHz */
204 { 26000000, 600000000, 92, 2, 2, 0 }, /* actual: 598.0 MHz */
205 { 0, 0, 0, 0, 0, 0 },
206 };
207
208 static struct tegra_clk_pll_params pll_c_params = {
209 .input_min = 12000000,
210 .input_max = 800000000,
211 .cf_min = 12000000,
212 .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
213 .vco_min = 600000000,
214 .vco_max = 1400000000,
215 .base_reg = PLLC_BASE,
216 .misc_reg = PLLC_MISC,
217 .lock_mask = PLL_BASE_LOCK,
218 .lock_enable_bit_idx = PLLC_MISC_LOCK_ENABLE,
219 .lock_delay = 300,
220 .iddq_reg = PLLC_MISC,
221 .iddq_bit_idx = PLLC_IDDQ_BIT,
222 .max_p = PLLXC_SW_MAX_P,
223 .dyn_ramp_reg = PLLC_MISC2,
224 .stepa_shift = 17,
225 .stepb_shift = 9,
226 .pdiv_tohw = pllxc_p,
227 .div_nmp = &pllxc_nmp,
228 .freq_table = pll_c_freq_table,
229 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
230 };
231
232 static struct div_nmp pllcx_nmp = {
233 .divm_shift = 0,
234 .divm_width = 2,
235 .divn_shift = 8,
236 .divn_width = 8,
237 .divp_shift = 20,
238 .divp_width = 3,
239 };
240
241 static const struct pdiv_map pllc_p[] = {
242 { .pdiv = 1, .hw_val = 0 },
243 { .pdiv = 2, .hw_val = 1 },
244 { .pdiv = 3, .hw_val = 2 },
245 { .pdiv = 4, .hw_val = 3 },
246 { .pdiv = 6, .hw_val = 4 },
247 { .pdiv = 8, .hw_val = 5 },
248 { .pdiv = 12, .hw_val = 6 },
249 { .pdiv = 16, .hw_val = 7 },
250 { .pdiv = 0, .hw_val = 0 },
251 };
252
253 static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = {
254 { 12000000, 600000000, 100, 1, 2, 0 },
255 { 13000000, 600000000, 92, 1, 2, 0 }, /* actual: 598.0 MHz */
256 { 16800000, 600000000, 71, 1, 2, 0 }, /* actual: 596.4 MHz */
257 { 19200000, 600000000, 62, 1, 2, 0 }, /* actual: 595.2 MHz */
258 { 26000000, 600000000, 92, 2, 2, 0 }, /* actual: 598.0 MHz */
259 { 0, 0, 0, 0, 0, 0 },
260 };
261
262 static struct tegra_clk_pll_params pll_c2_params = {
263 .input_min = 12000000,
264 .input_max = 48000000,
265 .cf_min = 12000000,
266 .cf_max = 19200000,
267 .vco_min = 600000000,
268 .vco_max = 1200000000,
269 .base_reg = PLLC2_BASE,
270 .misc_reg = PLLC2_MISC,
271 .lock_mask = PLL_BASE_LOCK,
272 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
273 .lock_delay = 300,
274 .pdiv_tohw = pllc_p,
275 .div_nmp = &pllcx_nmp,
276 .max_p = 7,
277 .ext_misc_reg[0] = 0x4f0,
278 .ext_misc_reg[1] = 0x4f4,
279 .ext_misc_reg[2] = 0x4f8,
280 .freq_table = pll_cx_freq_table,
281 .flags = TEGRA_PLL_USE_LOCK,
282 };
283
284 static struct tegra_clk_pll_params pll_c3_params = {
285 .input_min = 12000000,
286 .input_max = 48000000,
287 .cf_min = 12000000,
288 .cf_max = 19200000,
289 .vco_min = 600000000,
290 .vco_max = 1200000000,
291 .base_reg = PLLC3_BASE,
292 .misc_reg = PLLC3_MISC,
293 .lock_mask = PLL_BASE_LOCK,
294 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
295 .lock_delay = 300,
296 .pdiv_tohw = pllc_p,
297 .div_nmp = &pllcx_nmp,
298 .max_p = 7,
299 .ext_misc_reg[0] = 0x504,
300 .ext_misc_reg[1] = 0x508,
301 .ext_misc_reg[2] = 0x50c,
302 .freq_table = pll_cx_freq_table,
303 .flags = TEGRA_PLL_USE_LOCK,
304 };
305
306 static struct div_nmp pllss_nmp = {
307 .divm_shift = 0,
308 .divm_width = 8,
309 .divn_shift = 8,
310 .divn_width = 8,
311 .divp_shift = 20,
312 .divp_width = 4,
313 };
314
315 static const struct pdiv_map pll12g_ssd_esd_p[] = {
316 { .pdiv = 1, .hw_val = 0 },
317 { .pdiv = 2, .hw_val = 1 },
318 { .pdiv = 3, .hw_val = 2 },
319 { .pdiv = 4, .hw_val = 3 },
320 { .pdiv = 5, .hw_val = 4 },
321 { .pdiv = 6, .hw_val = 5 },
322 { .pdiv = 8, .hw_val = 6 },
323 { .pdiv = 10, .hw_val = 7 },
324 { .pdiv = 12, .hw_val = 8 },
325 { .pdiv = 16, .hw_val = 9 },
326 { .pdiv = 12, .hw_val = 10 },
327 { .pdiv = 16, .hw_val = 11 },
328 { .pdiv = 20, .hw_val = 12 },
329 { .pdiv = 24, .hw_val = 13 },
330 { .pdiv = 32, .hw_val = 14 },
331 { .pdiv = 0, .hw_val = 0 },
332 };
333
334 static struct tegra_clk_pll_freq_table pll_c4_freq_table[] = {
335 { 12000000, 600000000, 100, 1, 2, 0 },
336 { 13000000, 600000000, 92, 1, 2, 0 }, /* actual: 598.0 MHz */
337 { 16800000, 600000000, 71, 1, 2, 0 }, /* actual: 596.4 MHz */
338 { 19200000, 600000000, 62, 1, 2, 0 }, /* actual: 595.2 MHz */
339 { 26000000, 600000000, 92, 2, 2, 0 }, /* actual: 598.0 MHz */
340 { 0, 0, 0, 0, 0, 0 },
341 };
342
343 static struct tegra_clk_pll_params pll_c4_params = {
344 .input_min = 12000000,
345 .input_max = 1000000000,
346 .cf_min = 12000000,
347 .cf_max = 19200000, /* s/w policy, h/w capability 38 MHz */
348 .vco_min = 600000000,
349 .vco_max = 1200000000,
350 .base_reg = PLLC4_BASE,
351 .misc_reg = PLLC4_MISC,
352 .lock_mask = PLL_BASE_LOCK,
353 .lock_enable_bit_idx = PLLSS_MISC_LOCK_ENABLE,
354 .lock_delay = 300,
355 .iddq_reg = PLLC4_BASE,
356 .iddq_bit_idx = PLLSS_IDDQ_BIT,
357 .pdiv_tohw = pll12g_ssd_esd_p,
358 .div_nmp = &pllss_nmp,
359 .ext_misc_reg[0] = 0x5ac,
360 .ext_misc_reg[1] = 0x5b0,
361 .ext_misc_reg[2] = 0x5b4,
362 .freq_table = pll_c4_freq_table,
363 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
364 };
365
366 static const struct pdiv_map pllm_p[] = {
367 { .pdiv = 1, .hw_val = 0 },
368 { .pdiv = 2, .hw_val = 1 },
369 { .pdiv = 3, .hw_val = 2 },
370 { .pdiv = 4, .hw_val = 3 },
371 { .pdiv = 5, .hw_val = 4 },
372 { .pdiv = 6, .hw_val = 5 },
373 { .pdiv = 8, .hw_val = 6 },
374 { .pdiv = 10, .hw_val = 7 },
375 { .pdiv = 12, .hw_val = 8 },
376 { .pdiv = 16, .hw_val = 9 },
377 { .pdiv = 12, .hw_val = 10 },
378 { .pdiv = 16, .hw_val = 11 },
379 { .pdiv = 20, .hw_val = 12 },
380 { .pdiv = 24, .hw_val = 13 },
381 { .pdiv = 32, .hw_val = 14 },
382 { .pdiv = 0, .hw_val = 0 },
383 };
384
385 static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
386 { 12000000, 800000000, 66, 1, 1, 0 }, /* actual: 792.0 MHz */
387 { 13000000, 800000000, 61, 1, 1, 0 }, /* actual: 793.0 MHz */
388 { 16800000, 800000000, 47, 1, 1, 0 }, /* actual: 789.6 MHz */
389 { 19200000, 800000000, 41, 1, 1, 0 }, /* actual: 787.2 MHz */
390 { 26000000, 800000000, 61, 2, 1, 0 }, /* actual: 793.0 MHz */
391 { 0, 0, 0, 0, 0, 0},
392 };
393
394 static struct div_nmp pllm_nmp = {
395 .divm_shift = 0,
396 .divm_width = 8,
397 .override_divm_shift = 0,
398 .divn_shift = 8,
399 .divn_width = 8,
400 .override_divn_shift = 8,
401 .divp_shift = 20,
402 .divp_width = 1,
403 .override_divp_shift = 27,
404 };
405
406 static struct tegra_clk_pll_params pll_m_params = {
407 .input_min = 12000000,
408 .input_max = 500000000,
409 .cf_min = 12000000,
410 .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
411 .vco_min = 400000000,
412 .vco_max = 1066000000,
413 .base_reg = PLLM_BASE,
414 .misc_reg = PLLM_MISC,
415 .lock_mask = PLL_BASE_LOCK,
416 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
417 .lock_delay = 300,
418 .max_p = 5,
419 .pdiv_tohw = pllm_p,
420 .div_nmp = &pllm_nmp,
421 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
422 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2,
423 .freq_table = pll_m_freq_table,
424 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
425 };
426
427 static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
428 /* PLLE special case: use cpcon field to store cml divider value */
429 { 336000000, 100000000, 100, 21, 16, 11 },
430 { 312000000, 100000000, 200, 26, 24, 13 },
431 { 13000000, 100000000, 200, 1, 26, 13 },
432 { 12000000, 100000000, 200, 1, 24, 13 },
433 { 0, 0, 0, 0, 0, 0 },
434 };
435
436 static const struct pdiv_map plle_p[] = {
437 { .pdiv = 1, .hw_val = 0 },
438 { .pdiv = 2, .hw_val = 1 },
439 { .pdiv = 3, .hw_val = 2 },
440 { .pdiv = 4, .hw_val = 3 },
441 { .pdiv = 5, .hw_val = 4 },
442 { .pdiv = 6, .hw_val = 5 },
443 { .pdiv = 8, .hw_val = 6 },
444 { .pdiv = 10, .hw_val = 7 },
445 { .pdiv = 12, .hw_val = 8 },
446 { .pdiv = 16, .hw_val = 9 },
447 { .pdiv = 12, .hw_val = 10 },
448 { .pdiv = 16, .hw_val = 11 },
449 { .pdiv = 20, .hw_val = 12 },
450 { .pdiv = 24, .hw_val = 13 },
451 { .pdiv = 32, .hw_val = 14 },
452 { .pdiv = 1, .hw_val = 0 },
453 };
454
455 static struct div_nmp plle_nmp = {
456 .divm_shift = 0,
457 .divm_width = 8,
458 .divn_shift = 8,
459 .divn_width = 8,
460 .divp_shift = 24,
461 .divp_width = 4,
462 };
463
464 static struct tegra_clk_pll_params pll_e_params = {
465 .input_min = 12000000,
466 .input_max = 1000000000,
467 .cf_min = 12000000,
468 .cf_max = 75000000,
469 .vco_min = 1600000000,
470 .vco_max = 2400000000U,
471 .base_reg = PLLE_BASE,
472 .misc_reg = PLLE_MISC,
473 .aux_reg = PLLE_AUX,
474 .lock_mask = PLLE_MISC_LOCK,
475 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
476 .lock_delay = 300,
477 .pdiv_tohw = plle_p,
478 .div_nmp = &plle_nmp,
479 .freq_table = pll_e_freq_table,
480 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_HAS_LOCK_ENABLE,
481 .fixed_rate = 100000000,
482 };
483
484 static const struct clk_div_table pll_re_div_table[] = {
485 { .val = 0, .div = 1 },
486 { .val = 1, .div = 2 },
487 { .val = 2, .div = 3 },
488 { .val = 3, .div = 4 },
489 { .val = 4, .div = 5 },
490 { .val = 5, .div = 6 },
491 { .val = 0, .div = 0 },
492 };
493
494 static struct div_nmp pllre_nmp = {
495 .divm_shift = 0,
496 .divm_width = 8,
497 .divn_shift = 8,
498 .divn_width = 8,
499 .divp_shift = 16,
500 .divp_width = 4,
501 };
502
503 static struct tegra_clk_pll_params pll_re_vco_params = {
504 .input_min = 12000000,
505 .input_max = 1000000000,
506 .cf_min = 12000000,
507 .cf_max = 19200000, /* s/w policy, h/w capability 38 MHz */
508 .vco_min = 300000000,
509 .vco_max = 600000000,
510 .base_reg = PLLRE_BASE,
511 .misc_reg = PLLRE_MISC,
512 .lock_mask = PLLRE_MISC_LOCK,
513 .lock_enable_bit_idx = PLLRE_MISC_LOCK_ENABLE,
514 .lock_delay = 300,
515 .iddq_reg = PLLRE_MISC,
516 .iddq_bit_idx = PLLRE_IDDQ_BIT,
517 .div_nmp = &pllre_nmp,
518 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE |
519 TEGRA_PLL_LOCK_MISC,
520 };
521
522 static struct div_nmp pllp_nmp = {
523 .divm_shift = 0,
524 .divm_width = 5,
525 .divn_shift = 8,
526 .divn_width = 10,
527 .divp_shift = 20,
528 .divp_width = 3,
529 };
530
531 static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
532 { 12000000, 408000000, 408, 12, 1, 8 },
533 { 13000000, 408000000, 408, 13, 1, 8 },
534 { 16800000, 408000000, 340, 14, 1, 8 },
535 { 19200000, 408000000, 340, 16, 1, 8 },
536 { 26000000, 408000000, 408, 26, 1, 8 },
537 { 0, 0, 0, 0, 0, 0 },
538 };
539
540 static struct tegra_clk_pll_params pll_p_params = {
541 .input_min = 2000000,
542 .input_max = 31000000,
543 .cf_min = 1000000,
544 .cf_max = 6000000,
545 .vco_min = 200000000,
546 .vco_max = 700000000,
547 .base_reg = PLLP_BASE,
548 .misc_reg = PLLP_MISC,
549 .lock_mask = PLL_BASE_LOCK,
550 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
551 .lock_delay = 300,
552 .div_nmp = &pllp_nmp,
553 .freq_table = pll_p_freq_table,
554 .fixed_rate = 408000000,
555 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK |
556 TEGRA_PLL_HAS_LOCK_ENABLE,
557 };
558
559 static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
560 { 9600000, 282240000, 147, 5, 1, 4 },
561 { 9600000, 368640000, 192, 5, 1, 4 },
562 { 9600000, 240000000, 200, 8, 1, 8 },
563 { 28800000, 282240000, 245, 25, 1, 8 },
564 { 28800000, 368640000, 320, 25, 1, 8 },
565 { 28800000, 240000000, 200, 24, 1, 8 },
566 { 0, 0, 0, 0, 0, 0 },
567 };
568
569 static struct tegra_clk_pll_params pll_a_params = {
570 .input_min = 2000000,
571 .input_max = 31000000,
572 .cf_min = 1000000,
573 .cf_max = 6000000,
574 .vco_min = 200000000,
575 .vco_max = 700000000,
576 .base_reg = PLLA_BASE,
577 .misc_reg = PLLA_MISC,
578 .lock_mask = PLL_BASE_LOCK,
579 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
580 .lock_delay = 300,
581 .div_nmp = &pllp_nmp,
582 .freq_table = pll_a_freq_table,
583 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK |
584 TEGRA_PLL_HAS_LOCK_ENABLE,
585 };
586
587 static struct div_nmp plld_nmp = {
588 .divm_shift = 0,
589 .divm_width = 5,
590 .divn_shift = 8,
591 .divn_width = 11,
592 .divp_shift = 20,
593 .divp_width = 3,
594 };
595
596 static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
597 { 12000000, 216000000, 864, 12, 4, 12 },
598 { 13000000, 216000000, 864, 13, 4, 12 },
599 { 16800000, 216000000, 720, 14, 4, 12 },
600 { 19200000, 216000000, 720, 16, 4, 12 },
601 { 26000000, 216000000, 864, 26, 4, 12 },
602 { 12000000, 594000000, 594, 12, 1, 12 },
603 { 13000000, 594000000, 594, 13, 1, 12 },
604 { 16800000, 594000000, 495, 14, 1, 12 },
605 { 19200000, 594000000, 495, 16, 1, 12 },
606 { 26000000, 594000000, 594, 26, 1, 12 },
607 { 12000000, 1000000000, 1000, 12, 1, 12 },
608 { 13000000, 1000000000, 1000, 13, 1, 12 },
609 { 19200000, 1000000000, 625, 12, 1, 12 },
610 { 26000000, 1000000000, 1000, 26, 1, 12 },
611 { 0, 0, 0, 0, 0, 0 },
612 };
613
614 static struct tegra_clk_pll_params pll_d_params = {
615 .input_min = 2000000,
616 .input_max = 40000000,
617 .cf_min = 1000000,
618 .cf_max = 6000000,
619 .vco_min = 500000000,
620 .vco_max = 1000000000,
621 .base_reg = PLLD_BASE,
622 .misc_reg = PLLD_MISC,
623 .lock_mask = PLL_BASE_LOCK,
624 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
625 .lock_delay = 1000,
626 .div_nmp = &plld_nmp,
627 .freq_table = pll_d_freq_table,
628 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
629 TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
630 };
631
632 static struct tegra_clk_pll_freq_table tegra124_pll_d2_freq_table[] = {
633 { 12000000, 594000000, 99, 1, 2, 0 },
634 { 13000000, 594000000, 91, 1, 2, 0 }, /* actual: 591.5 MHz */
635 { 16800000, 594000000, 71, 1, 2, 0 }, /* actual: 596.4 MHz */
636 { 19200000, 594000000, 62, 1, 2, 0 }, /* actual: 595.2 MHz */
637 { 26000000, 594000000, 91, 2, 2, 0 }, /* actual: 591.5 MHz */
638 { 0, 0, 0, 0, 0, 0 },
639 };
640
641 static struct tegra_clk_pll_params tegra124_pll_d2_params = {
642 .input_min = 12000000,
643 .input_max = 1000000000,
644 .cf_min = 12000000,
645 .cf_max = 19200000, /* s/w policy, h/w capability 38 MHz */
646 .vco_min = 600000000,
647 .vco_max = 1200000000,
648 .base_reg = PLLD2_BASE,
649 .misc_reg = PLLD2_MISC,
650 .lock_mask = PLL_BASE_LOCK,
651 .lock_enable_bit_idx = PLLSS_MISC_LOCK_ENABLE,
652 .lock_delay = 300,
653 .iddq_reg = PLLD2_BASE,
654 .iddq_bit_idx = PLLSS_IDDQ_BIT,
655 .pdiv_tohw = pll12g_ssd_esd_p,
656 .div_nmp = &pllss_nmp,
657 .ext_misc_reg[0] = 0x570,
658 .ext_misc_reg[1] = 0x574,
659 .ext_misc_reg[2] = 0x578,
660 .max_p = 15,
661 .freq_table = tegra124_pll_d2_freq_table,
662 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
663 };
664
665 static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = {
666 { 12000000, 600000000, 100, 1, 2, 0 },
667 { 13000000, 600000000, 92, 1, 2, 0 }, /* actual: 598.0 MHz */
668 { 16800000, 600000000, 71, 1, 2, 0 }, /* actual: 596.4 MHz */
669 { 19200000, 600000000, 62, 1, 2, 0 }, /* actual: 595.2 MHz */
670 { 26000000, 600000000, 92, 2, 2, 0 }, /* actual: 598.0 MHz */
671 { 0, 0, 0, 0, 0, 0 },
672 };
673
674 static struct tegra_clk_pll_params pll_dp_params = {
675 .input_min = 12000000,
676 .input_max = 1000000000,
677 .cf_min = 12000000,
678 .cf_max = 19200000, /* s/w policy, h/w capability 38 MHz */
679 .vco_min = 600000000,
680 .vco_max = 1200000000,
681 .base_reg = PLLDP_BASE,
682 .misc_reg = PLLDP_MISC,
683 .lock_mask = PLL_BASE_LOCK,
684 .lock_enable_bit_idx = PLLSS_MISC_LOCK_ENABLE,
685 .lock_delay = 300,
686 .iddq_reg = PLLDP_BASE,
687 .iddq_bit_idx = PLLSS_IDDQ_BIT,
688 .pdiv_tohw = pll12g_ssd_esd_p,
689 .div_nmp = &pllss_nmp,
690 .ext_misc_reg[0] = 0x598,
691 .ext_misc_reg[1] = 0x59c,
692 .ext_misc_reg[2] = 0x5a0,
693 .max_p = 5,
694 .freq_table = pll_dp_freq_table,
695 .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
696 };
697
698 static const struct pdiv_map pllu_p[] = {
699 { .pdiv = 1, .hw_val = 1 },
700 { .pdiv = 2, .hw_val = 0 },
701 { .pdiv = 0, .hw_val = 0 },
702 };
703
704 static struct div_nmp pllu_nmp = {
705 .divm_shift = 0,
706 .divm_width = 5,
707 .divn_shift = 8,
708 .divn_width = 10,
709 .divp_shift = 20,
710 .divp_width = 1,
711 };
712
713 static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
714 { 12000000, 480000000, 960, 12, 2, 12 },
715 { 13000000, 480000000, 960, 13, 2, 12 },
716 { 16800000, 480000000, 400, 7, 2, 5 },
717 { 19200000, 480000000, 200, 4, 2, 3 },
718 { 26000000, 480000000, 960, 26, 2, 12 },
719 { 0, 0, 0, 0, 0, 0 },
720 };
721
722 static struct tegra_clk_pll_params pll_u_params = {
723 .input_min = 2000000,
724 .input_max = 40000000,
725 .cf_min = 1000000,
726 .cf_max = 6000000,
727 .vco_min = 480000000,
728 .vco_max = 960000000,
729 .base_reg = PLLU_BASE,
730 .misc_reg = PLLU_MISC,
731 .lock_mask = PLL_BASE_LOCK,
732 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
733 .lock_delay = 1000,
734 .pdiv_tohw = pllu_p,
735 .div_nmp = &pllu_nmp,
736 .freq_table = pll_u_freq_table,
737 .flags = TEGRA_PLLU | TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
738 TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
739 };
740
741 static struct tegra_clk tegra124_clks[tegra_clk_max] __initdata = {
742 [tegra_clk_ispb] = { .dt_id = TEGRA124_CLK_ISPB, .present = true },
743 [tegra_clk_rtc] = { .dt_id = TEGRA124_CLK_RTC, .present = true },
744 [tegra_clk_timer] = { .dt_id = TEGRA124_CLK_TIMER, .present = true },
745 [tegra_clk_uarta] = { .dt_id = TEGRA124_CLK_UARTA, .present = true },
746 [tegra_clk_sdmmc2_8] = { .dt_id = TEGRA124_CLK_SDMMC2, .present = true },
747 [tegra_clk_i2s1] = { .dt_id = TEGRA124_CLK_I2S1, .present = true },
748 [tegra_clk_i2c1] = { .dt_id = TEGRA124_CLK_I2C1, .present = true },
749 [tegra_clk_sdmmc1_8] = { .dt_id = TEGRA124_CLK_SDMMC1, .present = true },
750 [tegra_clk_sdmmc4_8] = { .dt_id = TEGRA124_CLK_SDMMC4, .present = true },
751 [tegra_clk_pwm] = { .dt_id = TEGRA124_CLK_PWM, .present = true },
752 [tegra_clk_i2s2] = { .dt_id = TEGRA124_CLK_I2S2, .present = true },
753 [tegra_clk_usbd] = { .dt_id = TEGRA124_CLK_USBD, .present = true },
754 [tegra_clk_isp_8] = { .dt_id = TEGRA124_CLK_ISP, .present = true },
755 [tegra_clk_disp2] = { .dt_id = TEGRA124_CLK_DISP2, .present = true },
756 [tegra_clk_disp1] = { .dt_id = TEGRA124_CLK_DISP1, .present = true },
757 [tegra_clk_host1x_8] = { .dt_id = TEGRA124_CLK_HOST1X, .present = true },
758 [tegra_clk_vcp] = { .dt_id = TEGRA124_CLK_VCP, .present = true },
759 [tegra_clk_i2s0] = { .dt_id = TEGRA124_CLK_I2S0, .present = true },
760 [tegra_clk_apbdma] = { .dt_id = TEGRA124_CLK_APBDMA, .present = true },
761 [tegra_clk_kbc] = { .dt_id = TEGRA124_CLK_KBC, .present = true },
762 [tegra_clk_kfuse] = { .dt_id = TEGRA124_CLK_KFUSE, .present = true },
763 [tegra_clk_sbc1] = { .dt_id = TEGRA124_CLK_SBC1, .present = true },
764 [tegra_clk_nor] = { .dt_id = TEGRA124_CLK_NOR, .present = true },
765 [tegra_clk_sbc2] = { .dt_id = TEGRA124_CLK_SBC2, .present = true },
766 [tegra_clk_sbc3] = { .dt_id = TEGRA124_CLK_SBC3, .present = true },
767 [tegra_clk_i2c5] = { .dt_id = TEGRA124_CLK_I2C5, .present = true },
768 [tegra_clk_mipi] = { .dt_id = TEGRA124_CLK_MIPI, .present = true },
769 [tegra_clk_hdmi] = { .dt_id = TEGRA124_CLK_HDMI, .present = true },
770 [tegra_clk_csi] = { .dt_id = TEGRA124_CLK_CSI, .present = true },
771 [tegra_clk_i2c2] = { .dt_id = TEGRA124_CLK_I2C2, .present = true },
772 [tegra_clk_uartc] = { .dt_id = TEGRA124_CLK_UARTC, .present = true },
773 [tegra_clk_mipi_cal] = { .dt_id = TEGRA124_CLK_MIPI_CAL, .present = true },
774 [tegra_clk_usb2] = { .dt_id = TEGRA124_CLK_USB2, .present = true },
775 [tegra_clk_usb3] = { .dt_id = TEGRA124_CLK_USB3, .present = true },
776 [tegra_clk_vde_8] = { .dt_id = TEGRA124_CLK_VDE, .present = true },
777 [tegra_clk_bsea] = { .dt_id = TEGRA124_CLK_BSEA, .present = true },
778 [tegra_clk_bsev] = { .dt_id = TEGRA124_CLK_BSEV, .present = true },
779 [tegra_clk_uartd] = { .dt_id = TEGRA124_CLK_UARTD, .present = true },
780 [tegra_clk_i2c3] = { .dt_id = TEGRA124_CLK_I2C3, .present = true },
781 [tegra_clk_sbc4] = { .dt_id = TEGRA124_CLK_SBC4, .present = true },
782 [tegra_clk_sdmmc3_8] = { .dt_id = TEGRA124_CLK_SDMMC3, .present = true },
783 [tegra_clk_pcie] = { .dt_id = TEGRA124_CLK_PCIE, .present = true },
784 [tegra_clk_owr] = { .dt_id = TEGRA124_CLK_OWR, .present = true },
785 [tegra_clk_afi] = { .dt_id = TEGRA124_CLK_AFI, .present = true },
786 [tegra_clk_csite] = { .dt_id = TEGRA124_CLK_CSITE, .present = true },
787 [tegra_clk_la] = { .dt_id = TEGRA124_CLK_LA, .present = true },
788 [tegra_clk_trace] = { .dt_id = TEGRA124_CLK_TRACE, .present = true },
789 [tegra_clk_soc_therm] = { .dt_id = TEGRA124_CLK_SOC_THERM, .present = true },
790 [tegra_clk_dtv] = { .dt_id = TEGRA124_CLK_DTV, .present = true },
791 [tegra_clk_i2cslow] = { .dt_id = TEGRA124_CLK_I2CSLOW, .present = true },
792 [tegra_clk_tsec] = { .dt_id = TEGRA124_CLK_TSEC, .present = true },
793 [tegra_clk_xusb_host] = { .dt_id = TEGRA124_CLK_XUSB_HOST, .present = true },
794 [tegra_clk_msenc] = { .dt_id = TEGRA124_CLK_MSENC, .present = true },
795 [tegra_clk_csus] = { .dt_id = TEGRA124_CLK_CSUS, .present = true },
796 [tegra_clk_mselect] = { .dt_id = TEGRA124_CLK_MSELECT, .present = true },
797 [tegra_clk_tsensor] = { .dt_id = TEGRA124_CLK_TSENSOR, .present = true },
798 [tegra_clk_i2s3] = { .dt_id = TEGRA124_CLK_I2S3, .present = true },
799 [tegra_clk_i2s4] = { .dt_id = TEGRA124_CLK_I2S4, .present = true },
800 [tegra_clk_i2c4] = { .dt_id = TEGRA124_CLK_I2C4, .present = true },
801 [tegra_clk_sbc5] = { .dt_id = TEGRA124_CLK_SBC5, .present = true },
802 [tegra_clk_sbc6] = { .dt_id = TEGRA124_CLK_SBC6, .present = true },
803 [tegra_clk_d_audio] = { .dt_id = TEGRA124_CLK_D_AUDIO, .present = true },
804 [tegra_clk_apbif] = { .dt_id = TEGRA124_CLK_APBIF, .present = true },
805 [tegra_clk_dam0] = { .dt_id = TEGRA124_CLK_DAM0, .present = true },
806 [tegra_clk_dam1] = { .dt_id = TEGRA124_CLK_DAM1, .present = true },
807 [tegra_clk_dam2] = { .dt_id = TEGRA124_CLK_DAM2, .present = true },
808 [tegra_clk_hda2codec_2x] = { .dt_id = TEGRA124_CLK_HDA2CODEC_2X, .present = true },
809 [tegra_clk_audio0_2x] = { .dt_id = TEGRA124_CLK_AUDIO0_2X, .present = true },
810 [tegra_clk_audio1_2x] = { .dt_id = TEGRA124_CLK_AUDIO1_2X, .present = true },
811 [tegra_clk_audio2_2x] = { .dt_id = TEGRA124_CLK_AUDIO2_2X, .present = true },
812 [tegra_clk_audio3_2x] = { .dt_id = TEGRA124_CLK_AUDIO3_2X, .present = true },
813 [tegra_clk_audio4_2x] = { .dt_id = TEGRA124_CLK_AUDIO4_2X, .present = true },
814 [tegra_clk_spdif_2x] = { .dt_id = TEGRA124_CLK_SPDIF_2X, .present = true },
815 [tegra_clk_actmon] = { .dt_id = TEGRA124_CLK_ACTMON, .present = true },
816 [tegra_clk_extern1] = { .dt_id = TEGRA124_CLK_EXTERN1, .present = true },
817 [tegra_clk_extern2] = { .dt_id = TEGRA124_CLK_EXTERN2, .present = true },
818 [tegra_clk_extern3] = { .dt_id = TEGRA124_CLK_EXTERN3, .present = true },
819 [tegra_clk_sata_oob] = { .dt_id = TEGRA124_CLK_SATA_OOB, .present = true },
820 [tegra_clk_sata] = { .dt_id = TEGRA124_CLK_SATA, .present = true },
821 [tegra_clk_hda] = { .dt_id = TEGRA124_CLK_HDA, .present = true },
822 [tegra_clk_se] = { .dt_id = TEGRA124_CLK_SE, .present = true },
823 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA124_CLK_HDA2HDMI, .present = true },
824 [tegra_clk_sata_cold] = { .dt_id = TEGRA124_CLK_SATA_COLD, .present = true },
825 [tegra_clk_cilab] = { .dt_id = TEGRA124_CLK_CILAB, .present = true },
826 [tegra_clk_cilcd] = { .dt_id = TEGRA124_CLK_CILCD, .present = true },
827 [tegra_clk_cile] = { .dt_id = TEGRA124_CLK_CILE, .present = true },
828 [tegra_clk_dsialp] = { .dt_id = TEGRA124_CLK_DSIALP, .present = true },
829 [tegra_clk_dsiblp] = { .dt_id = TEGRA124_CLK_DSIBLP, .present = true },
830 [tegra_clk_entropy] = { .dt_id = TEGRA124_CLK_ENTROPY, .present = true },
831 [tegra_clk_dds] = { .dt_id = TEGRA124_CLK_DDS, .present = true },
832 [tegra_clk_dp2] = { .dt_id = TEGRA124_CLK_DP2, .present = true },
833 [tegra_clk_amx] = { .dt_id = TEGRA124_CLK_AMX, .present = true },
834 [tegra_clk_adx] = { .dt_id = TEGRA124_CLK_ADX, .present = true },
835 [tegra_clk_xusb_ss] = { .dt_id = TEGRA124_CLK_XUSB_SS, .present = true },
836 [tegra_clk_i2c6] = { .dt_id = TEGRA124_CLK_I2C6, .present = true },
837 [tegra_clk_vim2_clk] = { .dt_id = TEGRA124_CLK_VIM2_CLK, .present = true },
838 [tegra_clk_hdmi_audio] = { .dt_id = TEGRA124_CLK_HDMI_AUDIO, .present = true },
839 [tegra_clk_clk72Mhz] = { .dt_id = TEGRA124_CLK_CLK72MHZ, .present = true },
840 [tegra_clk_vic03] = { .dt_id = TEGRA124_CLK_VIC03, .present = true },
841 [tegra_clk_adx1] = { .dt_id = TEGRA124_CLK_ADX1, .present = true },
842 [tegra_clk_dpaux] = { .dt_id = TEGRA124_CLK_DPAUX, .present = true },
843 [tegra_clk_sor0] = { .dt_id = TEGRA124_CLK_SOR0, .present = true },
844 [tegra_clk_sor0_lvds] = { .dt_id = TEGRA124_CLK_SOR0_LVDS, .present = true },
845 [tegra_clk_gpu] = { .dt_id = TEGRA124_CLK_GPU, .present = true },
846 [tegra_clk_amx1] = { .dt_id = TEGRA124_CLK_AMX1, .present = true },
847 [tegra_clk_uartb] = { .dt_id = TEGRA124_CLK_UARTB, .present = true },
848 [tegra_clk_vfir] = { .dt_id = TEGRA124_CLK_VFIR, .present = true },
849 [tegra_clk_spdif_in] = { .dt_id = TEGRA124_CLK_SPDIF_IN, .present = true },
850 [tegra_clk_spdif_out] = { .dt_id = TEGRA124_CLK_SPDIF_OUT, .present = true },
851 [tegra_clk_vi_9] = { .dt_id = TEGRA124_CLK_VI, .present = true },
852 [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA124_CLK_VI_SENSOR, .present = true },
853 [tegra_clk_fuse] = { .dt_id = TEGRA124_CLK_FUSE, .present = true },
854 [tegra_clk_fuse_burn] = { .dt_id = TEGRA124_CLK_FUSE_BURN, .present = true },
855 [tegra_clk_clk_32k] = { .dt_id = TEGRA124_CLK_CLK_32K, .present = true },
856 [tegra_clk_clk_m] = { .dt_id = TEGRA124_CLK_CLK_M, .present = true },
857 [tegra_clk_clk_m_div2] = { .dt_id = TEGRA124_CLK_CLK_M_DIV2, .present = true },
858 [tegra_clk_clk_m_div4] = { .dt_id = TEGRA124_CLK_CLK_M_DIV4, .present = true },
859 [tegra_clk_pll_ref] = { .dt_id = TEGRA124_CLK_PLL_REF, .present = true },
860 [tegra_clk_pll_c] = { .dt_id = TEGRA124_CLK_PLL_C, .present = true },
861 [tegra_clk_pll_c_out1] = { .dt_id = TEGRA124_CLK_PLL_C_OUT1, .present = true },
862 [tegra_clk_pll_c2] = { .dt_id = TEGRA124_CLK_PLL_C2, .present = true },
863 [tegra_clk_pll_c3] = { .dt_id = TEGRA124_CLK_PLL_C3, .present = true },
864 [tegra_clk_pll_m] = { .dt_id = TEGRA124_CLK_PLL_M, .present = true },
865 [tegra_clk_pll_m_out1] = { .dt_id = TEGRA124_CLK_PLL_M_OUT1, .present = true },
866 [tegra_clk_pll_p] = { .dt_id = TEGRA124_CLK_PLL_P, .present = true },
867 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA124_CLK_PLL_P_OUT1, .present = true },
868 [tegra_clk_pll_p_out2] = { .dt_id = TEGRA124_CLK_PLL_P_OUT2, .present = true },
869 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA124_CLK_PLL_P_OUT3, .present = true },
870 [tegra_clk_pll_p_out4] = { .dt_id = TEGRA124_CLK_PLL_P_OUT4, .present = true },
871 [tegra_clk_pll_a] = { .dt_id = TEGRA124_CLK_PLL_A, .present = true },
872 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA124_CLK_PLL_A_OUT0, .present = true },
873 [tegra_clk_pll_d] = { .dt_id = TEGRA124_CLK_PLL_D, .present = true },
874 [tegra_clk_pll_d_out0] = { .dt_id = TEGRA124_CLK_PLL_D_OUT0, .present = true },
875 [tegra_clk_pll_d2] = { .dt_id = TEGRA124_CLK_PLL_D2, .present = true },
876 [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA124_CLK_PLL_D2_OUT0, .present = true },
877 [tegra_clk_pll_u] = { .dt_id = TEGRA124_CLK_PLL_U, .present = true },
878 [tegra_clk_pll_u_480m] = { .dt_id = TEGRA124_CLK_PLL_U_480M, .present = true },
879 [tegra_clk_pll_u_60m] = { .dt_id = TEGRA124_CLK_PLL_U_60M, .present = true },
880 [tegra_clk_pll_u_48m] = { .dt_id = TEGRA124_CLK_PLL_U_48M, .present = true },
881 [tegra_clk_pll_u_12m] = { .dt_id = TEGRA124_CLK_PLL_U_12M, .present = true },
882 [tegra_clk_pll_x] = { .dt_id = TEGRA124_CLK_PLL_X, .present = true },
883 [tegra_clk_pll_x_out0] = { .dt_id = TEGRA124_CLK_PLL_X_OUT0, .present = true },
884 [tegra_clk_pll_re_vco] = { .dt_id = TEGRA124_CLK_PLL_RE_VCO, .present = true },
885 [tegra_clk_pll_re_out] = { .dt_id = TEGRA124_CLK_PLL_RE_OUT, .present = true },
886 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA124_CLK_SPDIF_IN_SYNC, .present = true },
887 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA124_CLK_I2S0_SYNC, .present = true },
888 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA124_CLK_I2S1_SYNC, .present = true },
889 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA124_CLK_I2S2_SYNC, .present = true },
890 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA124_CLK_I2S3_SYNC, .present = true },
891 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA124_CLK_I2S4_SYNC, .present = true },
892 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA124_CLK_VIMCLK_SYNC, .present = true },
893 [tegra_clk_audio0] = { .dt_id = TEGRA124_CLK_AUDIO0, .present = true },
894 [tegra_clk_audio1] = { .dt_id = TEGRA124_CLK_AUDIO1, .present = true },
895 [tegra_clk_audio2] = { .dt_id = TEGRA124_CLK_AUDIO2, .present = true },
896 [tegra_clk_audio3] = { .dt_id = TEGRA124_CLK_AUDIO3, .present = true },
897 [tegra_clk_audio4] = { .dt_id = TEGRA124_CLK_AUDIO4, .present = true },
898 [tegra_clk_spdif] = { .dt_id = TEGRA124_CLK_SPDIF, .present = true },
899 [tegra_clk_clk_out_1] = { .dt_id = TEGRA124_CLK_CLK_OUT_1, .present = true },
900 [tegra_clk_clk_out_2] = { .dt_id = TEGRA124_CLK_CLK_OUT_2, .present = true },
901 [tegra_clk_clk_out_3] = { .dt_id = TEGRA124_CLK_CLK_OUT_3, .present = true },
902 [tegra_clk_blink] = { .dt_id = TEGRA124_CLK_BLINK, .present = true },
903 [tegra_clk_xusb_host_src] = { .dt_id = TEGRA124_CLK_XUSB_HOST_SRC, .present = true },
904 [tegra_clk_xusb_falcon_src] = { .dt_id = TEGRA124_CLK_XUSB_FALCON_SRC, .present = true },
905 [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA124_CLK_XUSB_FS_SRC, .present = true },
906 [tegra_clk_xusb_ss_src] = { .dt_id = TEGRA124_CLK_XUSB_SS_SRC, .present = true },
907 [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA124_CLK_XUSB_SS_DIV2, .present = true },
908 [tegra_clk_xusb_dev_src] = { .dt_id = TEGRA124_CLK_XUSB_DEV_SRC, .present = true },
909 [tegra_clk_xusb_dev] = { .dt_id = TEGRA124_CLK_XUSB_DEV, .present = true },
910 [tegra_clk_xusb_hs_src] = { .dt_id = TEGRA124_CLK_XUSB_HS_SRC, .present = true },
911 [tegra_clk_sclk] = { .dt_id = TEGRA124_CLK_SCLK, .present = true },
912 [tegra_clk_hclk] = { .dt_id = TEGRA124_CLK_HCLK, .present = true },
913 [tegra_clk_pclk] = { .dt_id = TEGRA124_CLK_PCLK, .present = true },
914 [tegra_clk_cclk_g] = { .dt_id = TEGRA124_CLK_CCLK_G, .present = true },
915 [tegra_clk_cclk_lp] = { .dt_id = TEGRA124_CLK_CCLK_LP, .present = true },
916 [tegra_clk_dfll_ref] = { .dt_id = TEGRA124_CLK_DFLL_REF, .present = true },
917 [tegra_clk_dfll_soc] = { .dt_id = TEGRA124_CLK_DFLL_SOC, .present = true },
918 [tegra_clk_vi_sensor2] = { .dt_id = TEGRA124_CLK_VI_SENSOR2, .present = true },
919 [tegra_clk_pll_p_out5] = { .dt_id = TEGRA124_CLK_PLL_P_OUT5, .present = true },
920 [tegra_clk_pll_c4] = { .dt_id = TEGRA124_CLK_PLL_C4, .present = true },
921 [tegra_clk_pll_dp] = { .dt_id = TEGRA124_CLK_PLL_DP, .present = true },
922 [tegra_clk_audio0_mux] = { .dt_id = TEGRA124_CLK_AUDIO0_MUX, .present = true },
923 [tegra_clk_audio1_mux] = { .dt_id = TEGRA124_CLK_AUDIO1_MUX, .present = true },
924 [tegra_clk_audio2_mux] = { .dt_id = TEGRA124_CLK_AUDIO2_MUX, .present = true },
925 [tegra_clk_audio3_mux] = { .dt_id = TEGRA124_CLK_AUDIO3_MUX, .present = true },
926 [tegra_clk_audio4_mux] = { .dt_id = TEGRA124_CLK_AUDIO4_MUX, .present = true },
927 [tegra_clk_spdif_mux] = { .dt_id = TEGRA124_CLK_SPDIF_MUX, .present = true },
928 [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA124_CLK_CLK_OUT_1_MUX, .present = true },
929 [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA124_CLK_CLK_OUT_2_MUX, .present = true },
930 [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA124_CLK_CLK_OUT_3_MUX, .present = true },
931 [tegra_clk_cec] = { .dt_id = TEGRA124_CLK_CEC, .present = true },
932 };
933
934 static struct tegra_devclk devclks[] __initdata = {
935 { .con_id = "clk_m", .dt_id = TEGRA124_CLK_CLK_M },
936 { .con_id = "pll_ref", .dt_id = TEGRA124_CLK_PLL_REF },
937 { .con_id = "clk_32k", .dt_id = TEGRA124_CLK_CLK_32K },
938 { .con_id = "clk_m_div2", .dt_id = TEGRA124_CLK_CLK_M_DIV2 },
939 { .con_id = "clk_m_div4", .dt_id = TEGRA124_CLK_CLK_M_DIV4 },
940 { .con_id = "pll_c", .dt_id = TEGRA124_CLK_PLL_C },
941 { .con_id = "pll_c_out1", .dt_id = TEGRA124_CLK_PLL_C_OUT1 },
942 { .con_id = "pll_c2", .dt_id = TEGRA124_CLK_PLL_C2 },
943 { .con_id = "pll_c3", .dt_id = TEGRA124_CLK_PLL_C3 },
944 { .con_id = "pll_p", .dt_id = TEGRA124_CLK_PLL_P },
945 { .con_id = "pll_p_out1", .dt_id = TEGRA124_CLK_PLL_P_OUT1 },
946 { .con_id = "pll_p_out2", .dt_id = TEGRA124_CLK_PLL_P_OUT2 },
947 { .con_id = "pll_p_out3", .dt_id = TEGRA124_CLK_PLL_P_OUT3 },
948 { .con_id = "pll_p_out4", .dt_id = TEGRA124_CLK_PLL_P_OUT4 },
949 { .con_id = "pll_m", .dt_id = TEGRA124_CLK_PLL_M },
950 { .con_id = "pll_m_out1", .dt_id = TEGRA124_CLK_PLL_M_OUT1 },
951 { .con_id = "pll_x", .dt_id = TEGRA124_CLK_PLL_X },
952 { .con_id = "pll_x_out0", .dt_id = TEGRA124_CLK_PLL_X_OUT0 },
953 { .con_id = "pll_u", .dt_id = TEGRA124_CLK_PLL_U },
954 { .con_id = "pll_u_480M", .dt_id = TEGRA124_CLK_PLL_U_480M },
955 { .con_id = "pll_u_60M", .dt_id = TEGRA124_CLK_PLL_U_60M },
956 { .con_id = "pll_u_48M", .dt_id = TEGRA124_CLK_PLL_U_48M },
957 { .con_id = "pll_u_12M", .dt_id = TEGRA124_CLK_PLL_U_12M },
958 { .con_id = "pll_d", .dt_id = TEGRA124_CLK_PLL_D },
959 { .con_id = "pll_d_out0", .dt_id = TEGRA124_CLK_PLL_D_OUT0 },
960 { .con_id = "pll_d2", .dt_id = TEGRA124_CLK_PLL_D2 },
961 { .con_id = "pll_d2_out0", .dt_id = TEGRA124_CLK_PLL_D2_OUT0 },
962 { .con_id = "pll_a", .dt_id = TEGRA124_CLK_PLL_A },
963 { .con_id = "pll_a_out0", .dt_id = TEGRA124_CLK_PLL_A_OUT0 },
964 { .con_id = "pll_re_vco", .dt_id = TEGRA124_CLK_PLL_RE_VCO },
965 { .con_id = "pll_re_out", .dt_id = TEGRA124_CLK_PLL_RE_OUT },
966 { .con_id = "spdif_in_sync", .dt_id = TEGRA124_CLK_SPDIF_IN_SYNC },
967 { .con_id = "i2s0_sync", .dt_id = TEGRA124_CLK_I2S0_SYNC },
968 { .con_id = "i2s1_sync", .dt_id = TEGRA124_CLK_I2S1_SYNC },
969 { .con_id = "i2s2_sync", .dt_id = TEGRA124_CLK_I2S2_SYNC },
970 { .con_id = "i2s3_sync", .dt_id = TEGRA124_CLK_I2S3_SYNC },
971 { .con_id = "i2s4_sync", .dt_id = TEGRA124_CLK_I2S4_SYNC },
972 { .con_id = "vimclk_sync", .dt_id = TEGRA124_CLK_VIMCLK_SYNC },
973 { .con_id = "audio0", .dt_id = TEGRA124_CLK_AUDIO0 },
974 { .con_id = "audio1", .dt_id = TEGRA124_CLK_AUDIO1 },
975 { .con_id = "audio2", .dt_id = TEGRA124_CLK_AUDIO2 },
976 { .con_id = "audio3", .dt_id = TEGRA124_CLK_AUDIO3 },
977 { .con_id = "audio4", .dt_id = TEGRA124_CLK_AUDIO4 },
978 { .con_id = "spdif", .dt_id = TEGRA124_CLK_SPDIF },
979 { .con_id = "audio0_2x", .dt_id = TEGRA124_CLK_AUDIO0_2X },
980 { .con_id = "audio1_2x", .dt_id = TEGRA124_CLK_AUDIO1_2X },
981 { .con_id = "audio2_2x", .dt_id = TEGRA124_CLK_AUDIO2_2X },
982 { .con_id = "audio3_2x", .dt_id = TEGRA124_CLK_AUDIO3_2X },
983 { .con_id = "audio4_2x", .dt_id = TEGRA124_CLK_AUDIO4_2X },
984 { .con_id = "spdif_2x", .dt_id = TEGRA124_CLK_SPDIF_2X },
985 { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA124_CLK_EXTERN1 },
986 { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA124_CLK_EXTERN2 },
987 { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA124_CLK_EXTERN3 },
988 { .con_id = "blink", .dt_id = TEGRA124_CLK_BLINK },
989 { .con_id = "cclk_g", .dt_id = TEGRA124_CLK_CCLK_G },
990 { .con_id = "cclk_lp", .dt_id = TEGRA124_CLK_CCLK_LP },
991 { .con_id = "sclk", .dt_id = TEGRA124_CLK_SCLK },
992 { .con_id = "hclk", .dt_id = TEGRA124_CLK_HCLK },
993 { .con_id = "pclk", .dt_id = TEGRA124_CLK_PCLK },
994 { .con_id = "fuse", .dt_id = TEGRA124_CLK_FUSE },
995 { .dev_id = "rtc-tegra", .dt_id = TEGRA124_CLK_RTC },
996 { .dev_id = "timer", .dt_id = TEGRA124_CLK_TIMER },
997 { .con_id = "hda", .dt_id = TEGRA124_CLK_HDA },
998 { .con_id = "hda2codec_2x", .dt_id = TEGRA124_CLK_HDA2CODEC_2X },
999 { .con_id = "hda2hdmi", .dt_id = TEGRA124_CLK_HDA2HDMI },
1000 };
1001
1002 static struct clk **clks;
1003
tegra124_periph_clk_init(void __iomem * clk_base,void __iomem * pmc_base)1004 static __init void tegra124_periph_clk_init(void __iomem *clk_base,
1005 void __iomem *pmc_base)
1006 {
1007 struct clk *clk;
1008
1009 /* xusb_ss_div2 */
1010 clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0,
1011 1, 2);
1012 clks[TEGRA124_CLK_XUSB_SS_DIV2] = clk;
1013
1014 clk = tegra_clk_register_periph_fixed("dpaux", "pll_p", 0, clk_base,
1015 1, 17, 181);
1016 clks[TEGRA124_CLK_DPAUX] = clk;
1017
1018 clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0,
1019 clk_base + PLLD_MISC, 30, 0, &pll_d_lock);
1020 clks[TEGRA124_CLK_PLL_D_DSI_OUT] = clk;
1021
1022 clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0,
1023 clk_base, 0, 48,
1024 periph_clk_enb_refcnt);
1025 clks[TEGRA124_CLK_DSIA] = clk;
1026
1027 clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0,
1028 clk_base, 0, 82,
1029 periph_clk_enb_refcnt);
1030 clks[TEGRA124_CLK_DSIB] = clk;
1031
1032 clk = tegra_clk_register_mc("mc", "emc", clk_base + CLK_SOURCE_EMC,
1033 &emc_lock);
1034 clks[TEGRA124_CLK_MC] = clk;
1035
1036 /* cml0 */
1037 clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX,
1038 0, 0, &pll_e_lock);
1039 clk_register_clkdev(clk, "cml0", NULL);
1040 clks[TEGRA124_CLK_CML0] = clk;
1041
1042 /* cml1 */
1043 clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX,
1044 1, 0, &pll_e_lock);
1045 clk_register_clkdev(clk, "cml1", NULL);
1046 clks[TEGRA124_CLK_CML1] = clk;
1047
1048 tegra_periph_clk_init(clk_base, pmc_base, tegra124_clks, &pll_p_params);
1049 }
1050
tegra124_pll_init(void __iomem * clk_base,void __iomem * pmc)1051 static void __init tegra124_pll_init(void __iomem *clk_base,
1052 void __iomem *pmc)
1053 {
1054 struct clk *clk;
1055
1056 /* PLLC */
1057 clk = tegra_clk_register_pllxc("pll_c", "pll_ref", clk_base,
1058 pmc, 0, &pll_c_params, NULL);
1059 clk_register_clkdev(clk, "pll_c", NULL);
1060 clks[TEGRA124_CLK_PLL_C] = clk;
1061
1062 /* PLLC_OUT1 */
1063 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
1064 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
1065 8, 8, 1, NULL);
1066 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
1067 clk_base + PLLC_OUT, 1, 0,
1068 CLK_SET_RATE_PARENT, 0, NULL);
1069 clk_register_clkdev(clk, "pll_c_out1", NULL);
1070 clks[TEGRA124_CLK_PLL_C_OUT1] = clk;
1071
1072 /* PLLC_UD */
1073 clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c",
1074 CLK_SET_RATE_PARENT, 1, 1);
1075 clk_register_clkdev(clk, "pll_c_ud", NULL);
1076 clks[TEGRA124_CLK_PLL_C_UD] = clk;
1077
1078 /* PLLC2 */
1079 clk = tegra_clk_register_pllc("pll_c2", "pll_ref", clk_base, pmc, 0,
1080 &pll_c2_params, NULL);
1081 clk_register_clkdev(clk, "pll_c2", NULL);
1082 clks[TEGRA124_CLK_PLL_C2] = clk;
1083
1084 /* PLLC3 */
1085 clk = tegra_clk_register_pllc("pll_c3", "pll_ref", clk_base, pmc, 0,
1086 &pll_c3_params, NULL);
1087 clk_register_clkdev(clk, "pll_c3", NULL);
1088 clks[TEGRA124_CLK_PLL_C3] = clk;
1089
1090 /* PLLM */
1091 clk = tegra_clk_register_pllm("pll_m", "pll_ref", clk_base, pmc,
1092 CLK_SET_RATE_GATE, &pll_m_params, NULL);
1093 clk_register_clkdev(clk, "pll_m", NULL);
1094 clks[TEGRA124_CLK_PLL_M] = clk;
1095
1096 /* PLLM_OUT1 */
1097 clk = tegra_clk_register_divider("pll_m_out1_div", "pll_m",
1098 clk_base + PLLM_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
1099 8, 8, 1, NULL);
1100 clk = tegra_clk_register_pll_out("pll_m_out1", "pll_m_out1_div",
1101 clk_base + PLLM_OUT, 1, 0,
1102 CLK_SET_RATE_PARENT, 0, NULL);
1103 clk_register_clkdev(clk, "pll_m_out1", NULL);
1104 clks[TEGRA124_CLK_PLL_M_OUT1] = clk;
1105
1106 /* PLLM_UD */
1107 clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m",
1108 CLK_SET_RATE_PARENT, 1, 1);
1109 clk_register_clkdev(clk, "pll_m_ud", NULL);
1110 clks[TEGRA124_CLK_PLL_M_UD] = clk;
1111
1112 /* PLLU */
1113 clk = tegra_clk_register_pllu_tegra114("pll_u", "pll_ref", clk_base, 0,
1114 &pll_u_params, &pll_u_lock);
1115 clk_register_clkdev(clk, "pll_u", NULL);
1116 clks[TEGRA124_CLK_PLL_U] = clk;
1117
1118 /* PLLU_480M */
1119 clk = clk_register_gate(NULL, "pll_u_480M", "pll_u",
1120 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
1121 22, 0, &pll_u_lock);
1122 clk_register_clkdev(clk, "pll_u_480M", NULL);
1123 clks[TEGRA124_CLK_PLL_U_480M] = clk;
1124
1125 /* PLLU_60M */
1126 clk = clk_register_fixed_factor(NULL, "pll_u_60M", "pll_u",
1127 CLK_SET_RATE_PARENT, 1, 8);
1128 clk_register_clkdev(clk, "pll_u_60M", NULL);
1129 clks[TEGRA124_CLK_PLL_U_60M] = clk;
1130
1131 /* PLLU_48M */
1132 clk = clk_register_fixed_factor(NULL, "pll_u_48M", "pll_u",
1133 CLK_SET_RATE_PARENT, 1, 10);
1134 clk_register_clkdev(clk, "pll_u_48M", NULL);
1135 clks[TEGRA124_CLK_PLL_U_48M] = clk;
1136
1137 /* PLLU_12M */
1138 clk = clk_register_fixed_factor(NULL, "pll_u_12M", "pll_u",
1139 CLK_SET_RATE_PARENT, 1, 40);
1140 clk_register_clkdev(clk, "pll_u_12M", NULL);
1141 clks[TEGRA124_CLK_PLL_U_12M] = clk;
1142
1143 /* PLLD */
1144 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0,
1145 &pll_d_params, &pll_d_lock);
1146 clk_register_clkdev(clk, "pll_d", NULL);
1147 clks[TEGRA124_CLK_PLL_D] = clk;
1148
1149 /* PLLD_OUT0 */
1150 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
1151 CLK_SET_RATE_PARENT, 1, 2);
1152 clk_register_clkdev(clk, "pll_d_out0", NULL);
1153 clks[TEGRA124_CLK_PLL_D_OUT0] = clk;
1154
1155 /* PLLRE */
1156 clk = tegra_clk_register_pllre("pll_re_vco", "pll_ref", clk_base, pmc,
1157 0, &pll_re_vco_params, &pll_re_lock, pll_ref_freq);
1158 clk_register_clkdev(clk, "pll_re_vco", NULL);
1159 clks[TEGRA124_CLK_PLL_RE_VCO] = clk;
1160
1161 clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0,
1162 clk_base + PLLRE_BASE, 16, 4, 0,
1163 pll_re_div_table, &pll_re_lock);
1164 clk_register_clkdev(clk, "pll_re_out", NULL);
1165 clks[TEGRA124_CLK_PLL_RE_OUT] = clk;
1166
1167 /* PLLE */
1168 clk = tegra_clk_register_plle_tegra114("pll_e", "pll_ref",
1169 clk_base, 0, &pll_e_params, NULL);
1170 clk_register_clkdev(clk, "pll_e", NULL);
1171 clks[TEGRA124_CLK_PLL_E] = clk;
1172
1173 /* PLLC4 */
1174 clk = tegra_clk_register_pllss("pll_c4", "pll_ref", clk_base, 0,
1175 &pll_c4_params, NULL);
1176 clk_register_clkdev(clk, "pll_c4", NULL);
1177 clks[TEGRA124_CLK_PLL_C4] = clk;
1178
1179 /* PLLDP */
1180 clk = tegra_clk_register_pllss("pll_dp", "pll_ref", clk_base, 0,
1181 &pll_dp_params, NULL);
1182 clk_register_clkdev(clk, "pll_dp", NULL);
1183 clks[TEGRA124_CLK_PLL_DP] = clk;
1184
1185 /* PLLD2 */
1186 clk = tegra_clk_register_pllss("pll_d2", "pll_ref", clk_base, 0,
1187 &tegra124_pll_d2_params, NULL);
1188 clk_register_clkdev(clk, "pll_d2", NULL);
1189 clks[TEGRA124_CLK_PLL_D2] = clk;
1190
1191 /* PLLD2_OUT0 */
1192 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
1193 CLK_SET_RATE_PARENT, 1, 1);
1194 clk_register_clkdev(clk, "pll_d2_out0", NULL);
1195 clks[TEGRA124_CLK_PLL_D2_OUT0] = clk;
1196
1197 }
1198
1199 /* Tegra124 CPU clock and reset control functions */
tegra124_wait_cpu_in_reset(u32 cpu)1200 static void tegra124_wait_cpu_in_reset(u32 cpu)
1201 {
1202 unsigned int reg;
1203
1204 do {
1205 reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
1206 cpu_relax();
1207 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */
1208 }
1209
tegra124_disable_cpu_clock(u32 cpu)1210 static void tegra124_disable_cpu_clock(u32 cpu)
1211 {
1212 /* flow controller would take care in the power sequence. */
1213 }
1214
1215 #ifdef CONFIG_PM_SLEEP
tegra124_cpu_clock_suspend(void)1216 static void tegra124_cpu_clock_suspend(void)
1217 {
1218 /* switch coresite to clk_m, save off original source */
1219 tegra124_cpu_clk_sctx.clk_csite_src =
1220 readl(clk_base + CLK_SOURCE_CSITE);
1221 writel(3 << 30, clk_base + CLK_SOURCE_CSITE);
1222
1223 tegra124_cpu_clk_sctx.cclkg_burst =
1224 readl(clk_base + CCLKG_BURST_POLICY);
1225 tegra124_cpu_clk_sctx.cclkg_divider =
1226 readl(clk_base + CCLKG_BURST_POLICY + 4);
1227 }
1228
tegra124_cpu_clock_resume(void)1229 static void tegra124_cpu_clock_resume(void)
1230 {
1231 writel(tegra124_cpu_clk_sctx.clk_csite_src,
1232 clk_base + CLK_SOURCE_CSITE);
1233
1234 writel(tegra124_cpu_clk_sctx.cclkg_burst,
1235 clk_base + CCLKG_BURST_POLICY);
1236 writel(tegra124_cpu_clk_sctx.cclkg_divider,
1237 clk_base + CCLKG_BURST_POLICY + 4);
1238 }
1239 #endif
1240
1241 static struct tegra_cpu_car_ops tegra124_cpu_car_ops = {
1242 .wait_for_reset = tegra124_wait_cpu_in_reset,
1243 .disable_clock = tegra124_disable_cpu_clock,
1244 #ifdef CONFIG_PM_SLEEP
1245 .suspend = tegra124_cpu_clock_suspend,
1246 .resume = tegra124_cpu_clock_resume,
1247 #endif
1248 };
1249
1250 static const struct of_device_id pmc_match[] __initconst = {
1251 { .compatible = "nvidia,tegra124-pmc" },
1252 { },
1253 };
1254
1255 static struct tegra_clk_init_table common_init_table[] __initdata = {
1256 { TEGRA124_CLK_UARTA, TEGRA124_CLK_PLL_P, 408000000, 0 },
1257 { TEGRA124_CLK_UARTB, TEGRA124_CLK_PLL_P, 408000000, 0 },
1258 { TEGRA124_CLK_UARTC, TEGRA124_CLK_PLL_P, 408000000, 0 },
1259 { TEGRA124_CLK_UARTD, TEGRA124_CLK_PLL_P, 408000000, 0 },
1260 { TEGRA124_CLK_PLL_A, TEGRA124_CLK_CLK_MAX, 564480000, 1 },
1261 { TEGRA124_CLK_PLL_A_OUT0, TEGRA124_CLK_CLK_MAX, 11289600, 1 },
1262 { TEGRA124_CLK_EXTERN1, TEGRA124_CLK_PLL_A_OUT0, 0, 1 },
1263 { TEGRA124_CLK_CLK_OUT_1_MUX, TEGRA124_CLK_EXTERN1, 0, 1 },
1264 { TEGRA124_CLK_CLK_OUT_1, TEGRA124_CLK_CLK_MAX, 0, 1 },
1265 { TEGRA124_CLK_I2S0, TEGRA124_CLK_PLL_A_OUT0, 11289600, 0 },
1266 { TEGRA124_CLK_I2S1, TEGRA124_CLK_PLL_A_OUT0, 11289600, 0 },
1267 { TEGRA124_CLK_I2S2, TEGRA124_CLK_PLL_A_OUT0, 11289600, 0 },
1268 { TEGRA124_CLK_I2S3, TEGRA124_CLK_PLL_A_OUT0, 11289600, 0 },
1269 { TEGRA124_CLK_I2S4, TEGRA124_CLK_PLL_A_OUT0, 11289600, 0 },
1270 { TEGRA124_CLK_VDE, TEGRA124_CLK_PLL_C3, 600000000, 0 },
1271 { TEGRA124_CLK_HOST1X, TEGRA124_CLK_PLL_P, 136000000, 1 },
1272 { TEGRA124_CLK_DSIALP, TEGRA124_CLK_PLL_P, 68000000, 0 },
1273 { TEGRA124_CLK_DSIBLP, TEGRA124_CLK_PLL_P, 68000000, 0 },
1274 { TEGRA124_CLK_SCLK, TEGRA124_CLK_PLL_P_OUT2, 102000000, 0 },
1275 { TEGRA124_CLK_DFLL_SOC, TEGRA124_CLK_PLL_P, 51000000, 1 },
1276 { TEGRA124_CLK_DFLL_REF, TEGRA124_CLK_PLL_P, 51000000, 1 },
1277 { TEGRA124_CLK_PLL_C, TEGRA124_CLK_CLK_MAX, 768000000, 0 },
1278 { TEGRA124_CLK_PLL_C_OUT1, TEGRA124_CLK_CLK_MAX, 100000000, 0 },
1279 { TEGRA124_CLK_SBC4, TEGRA124_CLK_PLL_P, 12000000, 1 },
1280 { TEGRA124_CLK_TSEC, TEGRA124_CLK_PLL_C3, 0, 0 },
1281 { TEGRA124_CLK_MSENC, TEGRA124_CLK_PLL_C3, 0, 0 },
1282 { TEGRA124_CLK_PLL_RE_VCO, TEGRA124_CLK_CLK_MAX, 672000000, 0 },
1283 { TEGRA124_CLK_XUSB_SS_SRC, TEGRA124_CLK_PLL_U_480M, 120000000, 0 },
1284 { TEGRA124_CLK_XUSB_FS_SRC, TEGRA124_CLK_PLL_U_48M, 48000000, 0 },
1285 { TEGRA124_CLK_XUSB_HS_SRC, TEGRA124_CLK_PLL_U_60M, 60000000, 0 },
1286 { TEGRA124_CLK_XUSB_FALCON_SRC, TEGRA124_CLK_PLL_RE_OUT, 224000000, 0 },
1287 { TEGRA124_CLK_XUSB_HOST_SRC, TEGRA124_CLK_PLL_RE_OUT, 112000000, 0 },
1288 { TEGRA124_CLK_SATA, TEGRA124_CLK_PLL_P, 104000000, 0 },
1289 { TEGRA124_CLK_SATA_OOB, TEGRA124_CLK_PLL_P, 204000000, 0 },
1290 { TEGRA124_CLK_MSELECT, TEGRA124_CLK_CLK_MAX, 0, 1 },
1291 { TEGRA124_CLK_CSITE, TEGRA124_CLK_CLK_MAX, 0, 1 },
1292 { TEGRA124_CLK_TSENSOR, TEGRA124_CLK_CLK_M, 400000, 0 },
1293 { TEGRA124_CLK_VIC03, TEGRA124_CLK_PLL_C3, 0, 0 },
1294 /* must be the last entry */
1295 { TEGRA124_CLK_CLK_MAX, TEGRA124_CLK_CLK_MAX, 0, 0 },
1296 };
1297
1298 static struct tegra_clk_init_table tegra124_init_table[] __initdata = {
1299 { TEGRA124_CLK_SOC_THERM, TEGRA124_CLK_PLL_P, 51000000, 0 },
1300 { TEGRA124_CLK_CCLK_G, TEGRA124_CLK_CLK_MAX, 0, 1 },
1301 { TEGRA124_CLK_HDA, TEGRA124_CLK_PLL_P, 102000000, 0 },
1302 { TEGRA124_CLK_HDA2CODEC_2X, TEGRA124_CLK_PLL_P, 48000000, 0 },
1303 /* must be the last entry */
1304 { TEGRA124_CLK_CLK_MAX, TEGRA124_CLK_CLK_MAX, 0, 0 },
1305 };
1306
1307 /* Tegra132 requires the SOC_THERM clock to remain active */
1308 static struct tegra_clk_init_table tegra132_init_table[] __initdata = {
1309 { TEGRA124_CLK_SOC_THERM, TEGRA124_CLK_PLL_P, 51000000, 1 },
1310 /* must be the last entry */
1311 { TEGRA124_CLK_CLK_MAX, TEGRA124_CLK_CLK_MAX, 0, 0 },
1312 };
1313
1314 static struct tegra_audio_clk_info tegra124_audio_plls[] = {
1315 { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_p_out1" },
1316 };
1317
1318 /**
1319 * tegra124_clock_apply_init_table - initialize clocks on Tegra124 SoCs
1320 *
1321 * Program an initial clock rate and enable or disable clocks needed
1322 * by the rest of the kernel, for Tegra124 SoCs. It is intended to be
1323 * called by assigning a pointer to it to tegra_clk_apply_init_table -
1324 * this will be called as an arch_initcall. No return value.
1325 */
tegra124_clock_apply_init_table(void)1326 static void __init tegra124_clock_apply_init_table(void)
1327 {
1328 tegra_init_from_table(common_init_table, clks, TEGRA124_CLK_CLK_MAX);
1329 tegra_init_from_table(tegra124_init_table, clks, TEGRA124_CLK_CLK_MAX);
1330 }
1331
1332 /**
1333 * tegra124_car_barrier - wait for pending writes to the CAR to complete
1334 *
1335 * Wait for any outstanding writes to the CAR MMIO space from this CPU
1336 * to complete before continuing execution. No return value.
1337 */
tegra124_car_barrier(void)1338 static void tegra124_car_barrier(void)
1339 {
1340 readl_relaxed(clk_base + RST_DFLL_DVCO);
1341 }
1342
1343 /**
1344 * tegra124_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset
1345 *
1346 * Assert the reset line of the DFLL's DVCO. No return value.
1347 */
tegra124_clock_assert_dfll_dvco_reset(void)1348 static void tegra124_clock_assert_dfll_dvco_reset(void)
1349 {
1350 u32 v;
1351
1352 v = readl_relaxed(clk_base + RST_DFLL_DVCO);
1353 v |= (1 << DVFS_DFLL_RESET_SHIFT);
1354 writel_relaxed(v, clk_base + RST_DFLL_DVCO);
1355 tegra124_car_barrier();
1356 }
1357
1358 /**
1359 * tegra124_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset
1360 *
1361 * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to
1362 * operate. No return value.
1363 */
tegra124_clock_deassert_dfll_dvco_reset(void)1364 static void tegra124_clock_deassert_dfll_dvco_reset(void)
1365 {
1366 u32 v;
1367
1368 v = readl_relaxed(clk_base + RST_DFLL_DVCO);
1369 v &= ~(1 << DVFS_DFLL_RESET_SHIFT);
1370 writel_relaxed(v, clk_base + RST_DFLL_DVCO);
1371 tegra124_car_barrier();
1372 }
1373
tegra124_reset_assert(unsigned long id)1374 static int tegra124_reset_assert(unsigned long id)
1375 {
1376 if (id == TEGRA124_RST_DFLL_DVCO)
1377 tegra124_clock_assert_dfll_dvco_reset();
1378 else
1379 return -EINVAL;
1380
1381 return 0;
1382 }
1383
tegra124_reset_deassert(unsigned long id)1384 static int tegra124_reset_deassert(unsigned long id)
1385 {
1386 if (id == TEGRA124_RST_DFLL_DVCO)
1387 tegra124_clock_deassert_dfll_dvco_reset();
1388 else
1389 return -EINVAL;
1390
1391 return 0;
1392 }
1393
1394 /**
1395 * tegra132_clock_apply_init_table - initialize clocks on Tegra132 SoCs
1396 *
1397 * Program an initial clock rate and enable or disable clocks needed
1398 * by the rest of the kernel, for Tegra132 SoCs. It is intended to be
1399 * called by assigning a pointer to it to tegra_clk_apply_init_table -
1400 * this will be called as an arch_initcall. No return value.
1401 */
tegra132_clock_apply_init_table(void)1402 static void __init tegra132_clock_apply_init_table(void)
1403 {
1404 tegra_init_from_table(common_init_table, clks, TEGRA124_CLK_CLK_MAX);
1405 tegra_init_from_table(tegra132_init_table, clks, TEGRA124_CLK_CLK_MAX);
1406 }
1407
1408 /**
1409 * tegra124_132_clock_init_pre - clock initialization preamble for T124/T132
1410 * @np: struct device_node * of the DT node for the SoC CAR IP block
1411 *
1412 * Register most of the clocks controlled by the CAR IP block, along
1413 * with a few clocks controlled by the PMC IP block. Everything in
1414 * this function should be common to Tegra124 and Tegra132. XXX The
1415 * PMC clock initialization should probably be moved to PMC-specific
1416 * driver code. No return value.
1417 */
tegra124_132_clock_init_pre(struct device_node * np)1418 static void __init tegra124_132_clock_init_pre(struct device_node *np)
1419 {
1420 struct device_node *node;
1421 u32 plld_base;
1422
1423 clk_base = of_iomap(np, 0);
1424 if (!clk_base) {
1425 pr_err("ioremap tegra124/tegra132 CAR failed\n");
1426 return;
1427 }
1428
1429 node = of_find_matching_node(NULL, pmc_match);
1430 if (!node) {
1431 pr_err("Failed to find pmc node\n");
1432 WARN_ON(1);
1433 return;
1434 }
1435
1436 pmc_base = of_iomap(node, 0);
1437 if (!pmc_base) {
1438 pr_err("Can't map pmc registers\n");
1439 WARN_ON(1);
1440 return;
1441 }
1442
1443 clks = tegra_clk_init(clk_base, TEGRA124_CLK_CLK_MAX,
1444 TEGRA124_CAR_BANK_COUNT);
1445 if (!clks)
1446 return;
1447
1448 if (tegra_osc_clk_init(clk_base, tegra124_clks, tegra124_input_freq,
1449 ARRAY_SIZE(tegra124_input_freq), 1, &osc_freq,
1450 &pll_ref_freq) < 0)
1451 return;
1452
1453 tegra_fixed_clk_init(tegra124_clks);
1454 tegra124_pll_init(clk_base, pmc_base);
1455 tegra124_periph_clk_init(clk_base, pmc_base);
1456 tegra_audio_clk_init(clk_base, pmc_base, tegra124_clks,
1457 tegra124_audio_plls,
1458 ARRAY_SIZE(tegra124_audio_plls));
1459 tegra_pmc_clk_init(pmc_base, tegra124_clks);
1460
1461 /* For Tegra124 & Tegra132, PLLD is the only source for DSIA & DSIB */
1462 plld_base = clk_readl(clk_base + PLLD_BASE);
1463 plld_base &= ~BIT(25);
1464 clk_writel(plld_base, clk_base + PLLD_BASE);
1465 }
1466
1467 /**
1468 * tegra124_132_clock_init_post - clock initialization postamble for T124/T132
1469 * @np: struct device_node * of the DT node for the SoC CAR IP block
1470 *
1471 * Register most of the along with a few clocks controlled by the PMC
1472 * IP block. Everything in this function should be common to Tegra124
1473 * and Tegra132. This function must be called after
1474 * tegra124_132_clock_init_pre(), otherwise clk_base and pmc_base will
1475 * not be set. No return value.
1476 */
tegra124_132_clock_init_post(struct device_node * np)1477 static void __init tegra124_132_clock_init_post(struct device_node *np)
1478 {
1479 tegra_super_clk_gen4_init(clk_base, pmc_base, tegra124_clks,
1480 &pll_x_params);
1481 tegra_init_special_resets(1, tegra124_reset_assert,
1482 tegra124_reset_deassert);
1483 tegra_add_of_provider(np, of_clk_src_onecell_get);
1484
1485 clks[TEGRA124_CLK_EMC] = tegra_clk_register_emc(clk_base, np,
1486 &emc_lock);
1487
1488 tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
1489
1490 tegra_cpu_car_ops = &tegra124_cpu_car_ops;
1491 }
1492
1493 /**
1494 * tegra124_clock_init - Tegra124-specific clock initialization
1495 * @np: struct device_node * of the DT node for the SoC CAR IP block
1496 *
1497 * Register most SoC clocks for the Tegra124 system-on-chip. Most of
1498 * this code is shared between the Tegra124 and Tegra132 SoCs,
1499 * although some of the initial clock settings and CPU clocks differ.
1500 * Intended to be called by the OF init code when a DT node with the
1501 * "nvidia,tegra124-car" string is encountered, and declared with
1502 * CLK_OF_DECLARE. No return value.
1503 */
tegra124_clock_init(struct device_node * np)1504 static void __init tegra124_clock_init(struct device_node *np)
1505 {
1506 tegra124_132_clock_init_pre(np);
1507 tegra_clk_apply_init_table = tegra124_clock_apply_init_table;
1508 tegra124_132_clock_init_post(np);
1509 }
1510
1511 /**
1512 * tegra132_clock_init - Tegra132-specific clock initialization
1513 * @np: struct device_node * of the DT node for the SoC CAR IP block
1514 *
1515 * Register most SoC clocks for the Tegra132 system-on-chip. Most of
1516 * this code is shared between the Tegra124 and Tegra132 SoCs,
1517 * although some of the initial clock settings and CPU clocks differ.
1518 * Intended to be called by the OF init code when a DT node with the
1519 * "nvidia,tegra132-car" string is encountered, and declared with
1520 * CLK_OF_DECLARE. No return value.
1521 */
tegra132_clock_init(struct device_node * np)1522 static void __init tegra132_clock_init(struct device_node *np)
1523 {
1524 tegra124_132_clock_init_pre(np);
1525
1526 /*
1527 * On Tegra132, these clocks are controlled by the
1528 * CLUSTER_clocks IP block, located in the CPU complex
1529 */
1530 tegra124_clks[tegra_clk_cclk_g].present = false;
1531 tegra124_clks[tegra_clk_cclk_lp].present = false;
1532 tegra124_clks[tegra_clk_pll_x].present = false;
1533 tegra124_clks[tegra_clk_pll_x_out0].present = false;
1534
1535 tegra_clk_apply_init_table = tegra132_clock_apply_init_table;
1536 tegra124_132_clock_init_post(np);
1537 }
1538 CLK_OF_DECLARE(tegra124, "nvidia,tegra124-car", tegra124_clock_init);
1539 CLK_OF_DECLARE(tegra132, "nvidia,tegra132-car", tegra132_clock_init);
1540
