blob: 841f54fb8c8beaf54e44b32ec29d6d5da2ab5fbe [file] [log] [blame]
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001/*
2 * Copyright (c) 2012, 2013, 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.h>
19#include <linux/clk-provider.h>
20#include <linux/clkdev.h>
21#include <linux/of.h>
22#include <linux/of_address.h>
23#include <linux/delay.h>
Paul Walmsley25c9ded2013-06-07 06:18:58 -060024#include <linux/export.h>
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +030025#include <linux/clk/tegra.h>
Peter De Schrijverc9e2d692013-08-22 15:27:46 +030026#include <dt-bindings/clock/tegra114-car.h>
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +030027
28#include "clk.h"
Peter De Schrijver6609dbe2013-09-17 15:42:24 +030029#include "clk-id.h"
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +030030
Paul Walmsley1c472d82013-06-07 06:19:09 -060031#define RST_DFLL_DVCO 0x2F4
Paul Walmsley25c9ded2013-06-07 06:18:58 -060032#define CPU_FINETRIM_SELECT 0x4d4 /* override default prop dlys */
33#define CPU_FINETRIM_DR 0x4d8 /* rise->rise prop dly A */
34#define CPU_FINETRIM_R 0x4e4 /* rise->rise prop dly inc A */
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +030035
Paul Walmsley1c472d82013-06-07 06:19:09 -060036/* RST_DFLL_DVCO bitfields */
37#define DVFS_DFLL_RESET_SHIFT 0
38
Paul Walmsley25c9ded2013-06-07 06:18:58 -060039/* CPU_FINETRIM_SELECT and CPU_FINETRIM_DR bitfields */
40#define CPU_FINETRIM_1_FCPU_1 BIT(0) /* fcpu0 */
41#define CPU_FINETRIM_1_FCPU_2 BIT(1) /* fcpu1 */
42#define CPU_FINETRIM_1_FCPU_3 BIT(2) /* fcpu2 */
43#define CPU_FINETRIM_1_FCPU_4 BIT(3) /* fcpu3 */
44#define CPU_FINETRIM_1_FCPU_5 BIT(4) /* fl2 */
45#define CPU_FINETRIM_1_FCPU_6 BIT(5) /* ftop */
46
47/* CPU_FINETRIM_R bitfields */
48#define CPU_FINETRIM_R_FCPU_1_SHIFT 0 /* fcpu0 */
49#define CPU_FINETRIM_R_FCPU_1_MASK (0x3 << CPU_FINETRIM_R_FCPU_1_SHIFT)
50#define CPU_FINETRIM_R_FCPU_2_SHIFT 2 /* fcpu1 */
51#define CPU_FINETRIM_R_FCPU_2_MASK (0x3 << CPU_FINETRIM_R_FCPU_2_SHIFT)
52#define CPU_FINETRIM_R_FCPU_3_SHIFT 4 /* fcpu2 */
53#define CPU_FINETRIM_R_FCPU_3_MASK (0x3 << CPU_FINETRIM_R_FCPU_3_SHIFT)
54#define CPU_FINETRIM_R_FCPU_4_SHIFT 6 /* fcpu3 */
55#define CPU_FINETRIM_R_FCPU_4_MASK (0x3 << CPU_FINETRIM_R_FCPU_4_SHIFT)
56#define CPU_FINETRIM_R_FCPU_5_SHIFT 8 /* fl2 */
57#define CPU_FINETRIM_R_FCPU_5_MASK (0x3 << CPU_FINETRIM_R_FCPU_5_SHIFT)
58#define CPU_FINETRIM_R_FCPU_6_SHIFT 10 /* ftop */
59#define CPU_FINETRIM_R_FCPU_6_MASK (0x3 << CPU_FINETRIM_R_FCPU_6_SHIFT)
60
Peter De Schrijverd5ff89a2013-08-22 18:44:06 +030061#define TEGRA114_CLK_PERIPH_BANKS 5
62
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +030063#define PLLC_BASE 0x80
64#define PLLC_MISC2 0x88
65#define PLLC_MISC 0x8c
66#define PLLC2_BASE 0x4e8
67#define PLLC2_MISC 0x4ec
68#define PLLC3_BASE 0x4fc
69#define PLLC3_MISC 0x500
70#define PLLM_BASE 0x90
71#define PLLM_MISC 0x9c
72#define PLLP_BASE 0xa0
73#define PLLP_MISC 0xac
74#define PLLX_BASE 0xe0
75#define PLLX_MISC 0xe4
76#define PLLX_MISC2 0x514
77#define PLLX_MISC3 0x518
78#define PLLD_BASE 0xd0
79#define PLLD_MISC 0xdc
80#define PLLD2_BASE 0x4b8
81#define PLLD2_MISC 0x4bc
82#define PLLE_BASE 0xe8
83#define PLLE_MISC 0xec
84#define PLLA_BASE 0xb0
85#define PLLA_MISC 0xbc
86#define PLLU_BASE 0xc0
87#define PLLU_MISC 0xcc
88#define PLLRE_BASE 0x4c4
89#define PLLRE_MISC 0x4c8
90
91#define PLL_MISC_LOCK_ENABLE 18
92#define PLLC_MISC_LOCK_ENABLE 24
93#define PLLDU_MISC_LOCK_ENABLE 22
94#define PLLE_MISC_LOCK_ENABLE 9
95#define PLLRE_MISC_LOCK_ENABLE 30
96
97#define PLLC_IDDQ_BIT 26
98#define PLLX_IDDQ_BIT 3
99#define PLLRE_IDDQ_BIT 16
100
101#define PLL_BASE_LOCK BIT(27)
102#define PLLE_MISC_LOCK BIT(11)
103#define PLLRE_MISC_LOCK BIT(24)
104#define PLLCX_BASE_LOCK (BIT(26)|BIT(27))
105
106#define PLLE_AUX 0x48c
107#define PLLC_OUT 0x84
108#define PLLM_OUT 0x94
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300109
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300110#define OSC_CTRL 0x50
111#define OSC_CTRL_OSC_FREQ_SHIFT 28
112#define OSC_CTRL_PLL_REF_DIV_SHIFT 26
113
114#define PLLXC_SW_MAX_P 6
115
116#define CCLKG_BURST_POLICY 0x368
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300117
118#define UTMIP_PLL_CFG2 0x488
119#define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xffff) << 6)
120#define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
121#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
122#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
123#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
124
125#define UTMIP_PLL_CFG1 0x484
126#define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 6)
127#define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
128#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17)
129#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16)
130#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15)
131#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14)
132#define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12)
133
134#define UTMIPLL_HW_PWRDN_CFG0 0x52c
135#define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE BIT(25)
136#define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
137#define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
138#define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE BIT(5)
139#define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL BIT(4)
140#define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
141#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE BIT(1)
142#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0)
143
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300144#define CLK_SOURCE_CSITE 0x1d4
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300145#define CLK_SOURCE_EMC 0x19c
146
Peter De Schrijverd53442e2013-06-06 13:47:29 +0300147/* PLLM override registers */
148#define PMC_PLLM_WB0_OVERRIDE 0x1dc
149#define PMC_PLLM_WB0_OVERRIDE_2 0x2b0
150
Joseph Lo31972fd2013-05-20 18:39:28 +0800151/* Tegra CPU clock and reset control regs */
152#define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470
153
Joseph Load7d1142013-07-03 17:50:44 +0800154#ifdef CONFIG_PM_SLEEP
155static struct cpu_clk_suspend_context {
156 u32 clk_csite_src;
Joseph Lo0017f442013-08-12 17:40:02 +0800157 u32 cclkg_burst;
158 u32 cclkg_divider;
Joseph Load7d1142013-07-03 17:50:44 +0800159} tegra114_cpu_clk_sctx;
160#endif
161
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300162static void __iomem *clk_base;
163static void __iomem *pmc_base;
164
165static DEFINE_SPINLOCK(pll_d_lock);
166static DEFINE_SPINLOCK(pll_d2_lock);
167static DEFINE_SPINLOCK(pll_u_lock);
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300168static DEFINE_SPINLOCK(pll_re_lock);
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300169
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300170static struct div_nmp pllxc_nmp = {
171 .divm_shift = 0,
172 .divm_width = 8,
173 .divn_shift = 8,
174 .divn_width = 8,
175 .divp_shift = 20,
176 .divp_width = 4,
177};
178
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300179static struct pdiv_map pllxc_p[] = {
180 { .pdiv = 1, .hw_val = 0 },
181 { .pdiv = 2, .hw_val = 1 },
182 { .pdiv = 3, .hw_val = 2 },
183 { .pdiv = 4, .hw_val = 3 },
184 { .pdiv = 5, .hw_val = 4 },
185 { .pdiv = 6, .hw_val = 5 },
186 { .pdiv = 8, .hw_val = 6 },
187 { .pdiv = 10, .hw_val = 7 },
188 { .pdiv = 12, .hw_val = 8 },
189 { .pdiv = 16, .hw_val = 9 },
190 { .pdiv = 12, .hw_val = 10 },
191 { .pdiv = 16, .hw_val = 11 },
192 { .pdiv = 20, .hw_val = 12 },
193 { .pdiv = 24, .hw_val = 13 },
194 { .pdiv = 32, .hw_val = 14 },
195 { .pdiv = 0, .hw_val = 0 },
196};
197
198static struct tegra_clk_pll_freq_table pll_c_freq_table[] = {
199 { 12000000, 624000000, 104, 0, 2},
200 { 12000000, 600000000, 100, 0, 2},
201 { 13000000, 600000000, 92, 0, 2}, /* actual: 598.0 MHz */
202 { 16800000, 600000000, 71, 0, 2}, /* actual: 596.4 MHz */
203 { 19200000, 600000000, 62, 0, 2}, /* actual: 595.2 MHz */
204 { 26000000, 600000000, 92, 1, 2}, /* actual: 598.0 MHz */
205 { 0, 0, 0, 0, 0, 0 },
206};
207
208static 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,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300227 .div_nmp = &pllxc_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300228 .freq_table = pll_c_freq_table,
229 .flags = TEGRA_PLL_USE_LOCK,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300230};
231
232static 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,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300239};
240
241static struct pdiv_map pllc_p[] = {
242 { .pdiv = 1, .hw_val = 0 },
243 { .pdiv = 2, .hw_val = 1 },
244 { .pdiv = 4, .hw_val = 3 },
245 { .pdiv = 8, .hw_val = 5 },
246 { .pdiv = 16, .hw_val = 7 },
247 { .pdiv = 0, .hw_val = 0 },
248};
249
250static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = {
251 {12000000, 600000000, 100, 0, 2},
252 {13000000, 600000000, 92, 0, 2}, /* actual: 598.0 MHz */
253 {16800000, 600000000, 71, 0, 2}, /* actual: 596.4 MHz */
254 {19200000, 600000000, 62, 0, 2}, /* actual: 595.2 MHz */
255 {26000000, 600000000, 92, 1, 2}, /* actual: 598.0 MHz */
256 {0, 0, 0, 0, 0, 0},
257};
258
259static struct tegra_clk_pll_params pll_c2_params = {
260 .input_min = 12000000,
261 .input_max = 48000000,
262 .cf_min = 12000000,
263 .cf_max = 19200000,
264 .vco_min = 600000000,
265 .vco_max = 1200000000,
266 .base_reg = PLLC2_BASE,
267 .misc_reg = PLLC2_MISC,
268 .lock_mask = PLL_BASE_LOCK,
269 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
270 .lock_delay = 300,
271 .pdiv_tohw = pllc_p,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300272 .div_nmp = &pllcx_nmp,
273 .max_p = 7,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300274 .ext_misc_reg[0] = 0x4f0,
275 .ext_misc_reg[1] = 0x4f4,
276 .ext_misc_reg[2] = 0x4f8,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300277 .freq_table = pll_cx_freq_table,
278 .flags = TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300279};
280
281static struct tegra_clk_pll_params pll_c3_params = {
282 .input_min = 12000000,
283 .input_max = 48000000,
284 .cf_min = 12000000,
285 .cf_max = 19200000,
286 .vco_min = 600000000,
287 .vco_max = 1200000000,
288 .base_reg = PLLC3_BASE,
289 .misc_reg = PLLC3_MISC,
290 .lock_mask = PLL_BASE_LOCK,
291 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
292 .lock_delay = 300,
293 .pdiv_tohw = pllc_p,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300294 .div_nmp = &pllcx_nmp,
295 .max_p = 7,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300296 .ext_misc_reg[0] = 0x504,
297 .ext_misc_reg[1] = 0x508,
298 .ext_misc_reg[2] = 0x50c,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300299 .freq_table = pll_cx_freq_table,
300 .flags = TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300301};
302
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300303static struct div_nmp pllm_nmp = {
304 .divm_shift = 0,
305 .divm_width = 8,
Peter De Schrijverd53442e2013-06-06 13:47:29 +0300306 .override_divm_shift = 0,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300307 .divn_shift = 8,
308 .divn_width = 8,
Peter De Schrijverd53442e2013-06-06 13:47:29 +0300309 .override_divn_shift = 8,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300310 .divp_shift = 20,
311 .divp_width = 1,
Peter De Schrijverd53442e2013-06-06 13:47:29 +0300312 .override_divp_shift = 27,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300313};
314
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300315static struct pdiv_map pllm_p[] = {
316 { .pdiv = 1, .hw_val = 0 },
317 { .pdiv = 2, .hw_val = 1 },
318 { .pdiv = 0, .hw_val = 0 },
319};
320
321static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
322 {12000000, 800000000, 66, 0, 1}, /* actual: 792.0 MHz */
323 {13000000, 800000000, 61, 0, 1}, /* actual: 793.0 MHz */
324 {16800000, 800000000, 47, 0, 1}, /* actual: 789.6 MHz */
325 {19200000, 800000000, 41, 0, 1}, /* actual: 787.2 MHz */
326 {26000000, 800000000, 61, 1, 1}, /* actual: 793.0 MHz */
327 {0, 0, 0, 0, 0, 0},
328};
329
330static struct tegra_clk_pll_params pll_m_params = {
331 .input_min = 12000000,
332 .input_max = 500000000,
333 .cf_min = 12000000,
334 .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
335 .vco_min = 400000000,
336 .vco_max = 1066000000,
337 .base_reg = PLLM_BASE,
338 .misc_reg = PLLM_MISC,
339 .lock_mask = PLL_BASE_LOCK,
340 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
341 .lock_delay = 300,
342 .max_p = 2,
343 .pdiv_tohw = pllm_p,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300344 .div_nmp = &pllm_nmp,
Peter De Schrijverd53442e2013-06-06 13:47:29 +0300345 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
346 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300347 .freq_table = pll_m_freq_table,
348 .flags = TEGRA_PLL_USE_LOCK,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300349};
350
351static struct div_nmp pllp_nmp = {
352 .divm_shift = 0,
353 .divm_width = 5,
354 .divn_shift = 8,
355 .divn_width = 10,
356 .divp_shift = 20,
357 .divp_width = 3,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300358};
359
360static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
361 {12000000, 216000000, 432, 12, 1, 8},
362 {13000000, 216000000, 432, 13, 1, 8},
363 {16800000, 216000000, 360, 14, 1, 8},
364 {19200000, 216000000, 360, 16, 1, 8},
365 {26000000, 216000000, 432, 26, 1, 8},
366 {0, 0, 0, 0, 0, 0},
367};
368
369static struct tegra_clk_pll_params pll_p_params = {
370 .input_min = 2000000,
371 .input_max = 31000000,
372 .cf_min = 1000000,
373 .cf_max = 6000000,
374 .vco_min = 200000000,
375 .vco_max = 700000000,
376 .base_reg = PLLP_BASE,
377 .misc_reg = PLLP_MISC,
378 .lock_mask = PLL_BASE_LOCK,
379 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
380 .lock_delay = 300,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300381 .div_nmp = &pllp_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300382 .freq_table = pll_p_freq_table,
383 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK,
384 .fixed_rate = 408000000,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300385};
386
387static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
388 {9600000, 282240000, 147, 5, 0, 4},
389 {9600000, 368640000, 192, 5, 0, 4},
390 {9600000, 240000000, 200, 8, 0, 8},
391
392 {28800000, 282240000, 245, 25, 0, 8},
393 {28800000, 368640000, 320, 25, 0, 8},
394 {28800000, 240000000, 200, 24, 0, 8},
395 {0, 0, 0, 0, 0, 0},
396};
397
398
399static struct tegra_clk_pll_params pll_a_params = {
400 .input_min = 2000000,
401 .input_max = 31000000,
402 .cf_min = 1000000,
403 .cf_max = 6000000,
404 .vco_min = 200000000,
405 .vco_max = 700000000,
406 .base_reg = PLLA_BASE,
407 .misc_reg = PLLA_MISC,
408 .lock_mask = PLL_BASE_LOCK,
409 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
410 .lock_delay = 300,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300411 .div_nmp = &pllp_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300412 .freq_table = pll_a_freq_table,
413 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300414};
415
416static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
417 {12000000, 216000000, 864, 12, 2, 12},
418 {13000000, 216000000, 864, 13, 2, 12},
419 {16800000, 216000000, 720, 14, 2, 12},
420 {19200000, 216000000, 720, 16, 2, 12},
421 {26000000, 216000000, 864, 26, 2, 12},
422
423 {12000000, 594000000, 594, 12, 0, 12},
424 {13000000, 594000000, 594, 13, 0, 12},
425 {16800000, 594000000, 495, 14, 0, 12},
426 {19200000, 594000000, 495, 16, 0, 12},
427 {26000000, 594000000, 594, 26, 0, 12},
428
429 {12000000, 1000000000, 1000, 12, 0, 12},
430 {13000000, 1000000000, 1000, 13, 0, 12},
431 {19200000, 1000000000, 625, 12, 0, 12},
432 {26000000, 1000000000, 1000, 26, 0, 12},
433
434 {0, 0, 0, 0, 0, 0},
435};
436
437static struct tegra_clk_pll_params pll_d_params = {
438 .input_min = 2000000,
439 .input_max = 40000000,
440 .cf_min = 1000000,
441 .cf_max = 6000000,
442 .vco_min = 500000000,
443 .vco_max = 1000000000,
444 .base_reg = PLLD_BASE,
445 .misc_reg = PLLD_MISC,
446 .lock_mask = PLL_BASE_LOCK,
447 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
448 .lock_delay = 1000,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300449 .div_nmp = &pllp_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300450 .freq_table = pll_d_freq_table,
451 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
452 TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300453};
454
455static struct tegra_clk_pll_params pll_d2_params = {
456 .input_min = 2000000,
457 .input_max = 40000000,
458 .cf_min = 1000000,
459 .cf_max = 6000000,
460 .vco_min = 500000000,
461 .vco_max = 1000000000,
462 .base_reg = PLLD2_BASE,
463 .misc_reg = PLLD2_MISC,
464 .lock_mask = PLL_BASE_LOCK,
465 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
466 .lock_delay = 1000,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300467 .div_nmp = &pllp_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300468 .freq_table = pll_d_freq_table,
469 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
470 TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300471};
472
473static struct pdiv_map pllu_p[] = {
474 { .pdiv = 1, .hw_val = 1 },
475 { .pdiv = 2, .hw_val = 0 },
476 { .pdiv = 0, .hw_val = 0 },
477};
478
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300479static struct div_nmp pllu_nmp = {
480 .divm_shift = 0,
481 .divm_width = 5,
482 .divn_shift = 8,
483 .divn_width = 10,
484 .divp_shift = 20,
485 .divp_width = 1,
486};
487
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300488static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
489 {12000000, 480000000, 960, 12, 0, 12},
490 {13000000, 480000000, 960, 13, 0, 12},
491 {16800000, 480000000, 400, 7, 0, 5},
492 {19200000, 480000000, 200, 4, 0, 3},
493 {26000000, 480000000, 960, 26, 0, 12},
494 {0, 0, 0, 0, 0, 0},
495};
496
497static struct tegra_clk_pll_params pll_u_params = {
498 .input_min = 2000000,
499 .input_max = 40000000,
500 .cf_min = 1000000,
501 .cf_max = 6000000,
502 .vco_min = 480000000,
503 .vco_max = 960000000,
504 .base_reg = PLLU_BASE,
505 .misc_reg = PLLU_MISC,
506 .lock_mask = PLL_BASE_LOCK,
507 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
508 .lock_delay = 1000,
509 .pdiv_tohw = pllu_p,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300510 .div_nmp = &pllu_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300511 .freq_table = pll_u_freq_table,
512 .flags = TEGRA_PLLU | TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
513 TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300514};
515
516static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
517 /* 1 GHz */
518 {12000000, 1000000000, 83, 0, 1}, /* actual: 996.0 MHz */
519 {13000000, 1000000000, 76, 0, 1}, /* actual: 988.0 MHz */
520 {16800000, 1000000000, 59, 0, 1}, /* actual: 991.2 MHz */
521 {19200000, 1000000000, 52, 0, 1}, /* actual: 998.4 MHz */
522 {26000000, 1000000000, 76, 1, 1}, /* actual: 988.0 MHz */
523
524 {0, 0, 0, 0, 0, 0},
525};
526
527static struct tegra_clk_pll_params pll_x_params = {
528 .input_min = 12000000,
529 .input_max = 800000000,
530 .cf_min = 12000000,
531 .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
532 .vco_min = 700000000,
533 .vco_max = 2400000000U,
534 .base_reg = PLLX_BASE,
535 .misc_reg = PLLX_MISC,
536 .lock_mask = PLL_BASE_LOCK,
537 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
538 .lock_delay = 300,
539 .iddq_reg = PLLX_MISC3,
540 .iddq_bit_idx = PLLX_IDDQ_BIT,
541 .max_p = PLLXC_SW_MAX_P,
542 .dyn_ramp_reg = PLLX_MISC2,
543 .stepa_shift = 16,
544 .stepb_shift = 24,
545 .pdiv_tohw = pllxc_p,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300546 .div_nmp = &pllxc_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300547 .freq_table = pll_x_freq_table,
548 .flags = TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300549};
550
551static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
552 /* PLLE special case: use cpcon field to store cml divider value */
553 {336000000, 100000000, 100, 21, 16, 11},
554 {312000000, 100000000, 200, 26, 24, 13},
Peter De Schrijver8e9cc802013-11-25 14:44:13 +0200555 {12000000, 100000000, 200, 1, 24, 13},
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300556 {0, 0, 0, 0, 0, 0},
557};
558
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300559static struct div_nmp plle_nmp = {
560 .divm_shift = 0,
561 .divm_width = 8,
562 .divn_shift = 8,
563 .divn_width = 8,
564 .divp_shift = 24,
565 .divp_width = 4,
566};
567
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300568static struct tegra_clk_pll_params pll_e_params = {
569 .input_min = 12000000,
570 .input_max = 1000000000,
571 .cf_min = 12000000,
572 .cf_max = 75000000,
573 .vco_min = 1600000000,
574 .vco_max = 2400000000U,
575 .base_reg = PLLE_BASE,
576 .misc_reg = PLLE_MISC,
577 .aux_reg = PLLE_AUX,
578 .lock_mask = PLLE_MISC_LOCK,
579 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
580 .lock_delay = 300,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300581 .div_nmp = &plle_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300582 .freq_table = pll_e_freq_table,
583 .flags = TEGRA_PLL_FIXED,
584 .fixed_rate = 100000000,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300585};
586
587static struct div_nmp pllre_nmp = {
588 .divm_shift = 0,
589 .divm_width = 8,
590 .divn_shift = 8,
591 .divn_width = 8,
592 .divp_shift = 16,
593 .divp_width = 4,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300594};
595
596static struct tegra_clk_pll_params pll_re_vco_params = {
597 .input_min = 12000000,
598 .input_max = 1000000000,
599 .cf_min = 12000000,
600 .cf_max = 19200000, /* s/w policy, h/w capability 38 MHz */
601 .vco_min = 300000000,
602 .vco_max = 600000000,
603 .base_reg = PLLRE_BASE,
604 .misc_reg = PLLRE_MISC,
605 .lock_mask = PLLRE_MISC_LOCK,
606 .lock_enable_bit_idx = PLLRE_MISC_LOCK_ENABLE,
607 .lock_delay = 300,
608 .iddq_reg = PLLRE_MISC,
609 .iddq_bit_idx = PLLRE_IDDQ_BIT,
Peter De Schrijverfd428ad2013-06-05 16:51:26 +0300610 .div_nmp = &pllre_nmp,
Peter De Schrijverebe142b2013-10-04 17:28:34 +0300611 .flags = TEGRA_PLL_USE_LOCK,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300612};
613
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300614/* possible OSC frequencies in Hz */
615static unsigned long tegra114_input_freq[] = {
616 [0] = 13000000,
617 [1] = 16800000,
618 [4] = 19200000,
619 [5] = 38400000,
620 [8] = 12000000,
621 [9] = 48000000,
622 [12] = 260000000,
623};
624
625#define MASK(x) (BIT(x) - 1)
626
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300627struct utmi_clk_param {
628 /* Oscillator Frequency in KHz */
629 u32 osc_frequency;
630 /* UTMIP PLL Enable Delay Count */
631 u8 enable_delay_count;
632 /* UTMIP PLL Stable count */
633 u8 stable_count;
634 /* UTMIP PLL Active delay count */
635 u8 active_delay_count;
636 /* UTMIP PLL Xtal frequency count */
637 u8 xtal_freq_count;
638};
639
640static const struct utmi_clk_param utmi_parameters[] = {
641 {.osc_frequency = 13000000, .enable_delay_count = 0x02,
642 .stable_count = 0x33, .active_delay_count = 0x05,
643 .xtal_freq_count = 0x7F},
644 {.osc_frequency = 19200000, .enable_delay_count = 0x03,
645 .stable_count = 0x4B, .active_delay_count = 0x06,
646 .xtal_freq_count = 0xBB},
647 {.osc_frequency = 12000000, .enable_delay_count = 0x02,
648 .stable_count = 0x2F, .active_delay_count = 0x04,
649 .xtal_freq_count = 0x76},
650 {.osc_frequency = 26000000, .enable_delay_count = 0x04,
651 .stable_count = 0x66, .active_delay_count = 0x09,
652 .xtal_freq_count = 0xFE},
653 {.osc_frequency = 16800000, .enable_delay_count = 0x03,
654 .stable_count = 0x41, .active_delay_count = 0x0A,
655 .xtal_freq_count = 0xA4},
656};
657
658/* peripheral mux definitions */
659
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300660static const char *mux_plld_out0_plld2_out0[] = {
661 "pll_d_out0", "pll_d2_out0",
662};
663#define mux_plld_out0_plld2_out0_idx NULL
664
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300665static const char *mux_pllmcp_clkm[] = {
666 "pll_m_out0", "pll_c_out0", "pll_p_out0", "clk_m", "pll_m_ud",
667};
668
669static const struct clk_div_table pll_re_div_table[] = {
670 { .val = 0, .div = 1 },
671 { .val = 1, .div = 2 },
672 { .val = 2, .div = 3 },
673 { .val = 3, .div = 4 },
674 { .val = 4, .div = 5 },
675 { .val = 5, .div = 6 },
676 { .val = 0, .div = 0 },
677};
678
Peter De Schrijver6609dbe2013-09-17 15:42:24 +0300679static struct tegra_clk tegra114_clks[tegra_clk_max] __initdata = {
680 [tegra_clk_rtc] = { .dt_id = TEGRA114_CLK_RTC, .present = true },
681 [tegra_clk_timer] = { .dt_id = TEGRA114_CLK_TIMER, .present = true },
682 [tegra_clk_uarta] = { .dt_id = TEGRA114_CLK_UARTA, .present = true },
683 [tegra_clk_uartd] = { .dt_id = TEGRA114_CLK_UARTD, .present = true },
Andrew Bresticker20e7c322013-12-26 16:44:25 -0800684 [tegra_clk_sdmmc2_8] = { .dt_id = TEGRA114_CLK_SDMMC2, .present = true },
Peter De Schrijver6609dbe2013-09-17 15:42:24 +0300685 [tegra_clk_i2s1] = { .dt_id = TEGRA114_CLK_I2S1, .present = true },
686 [tegra_clk_i2c1] = { .dt_id = TEGRA114_CLK_I2C1, .present = true },
687 [tegra_clk_ndflash] = { .dt_id = TEGRA114_CLK_NDFLASH, .present = true },
Andrew Bresticker20e7c322013-12-26 16:44:25 -0800688 [tegra_clk_sdmmc1_8] = { .dt_id = TEGRA114_CLK_SDMMC1, .present = true },
689 [tegra_clk_sdmmc4_8] = { .dt_id = TEGRA114_CLK_SDMMC4, .present = true },
Peter De Schrijver6609dbe2013-09-17 15:42:24 +0300690 [tegra_clk_pwm] = { .dt_id = TEGRA114_CLK_PWM, .present = true },
691 [tegra_clk_i2s0] = { .dt_id = TEGRA114_CLK_I2S0, .present = true },
692 [tegra_clk_i2s2] = { .dt_id = TEGRA114_CLK_I2S2, .present = true },
693 [tegra_clk_epp_8] = { .dt_id = TEGRA114_CLK_EPP, .present = true },
694 [tegra_clk_gr2d_8] = { .dt_id = TEGRA114_CLK_GR2D, .present = true },
695 [tegra_clk_usbd] = { .dt_id = TEGRA114_CLK_USBD, .present = true },
696 [tegra_clk_isp] = { .dt_id = TEGRA114_CLK_ISP, .present = true },
697 [tegra_clk_gr3d_8] = { .dt_id = TEGRA114_CLK_GR3D, .present = true },
698 [tegra_clk_disp2] = { .dt_id = TEGRA114_CLK_DISP2, .present = true },
699 [tegra_clk_disp1] = { .dt_id = TEGRA114_CLK_DISP1, .present = true },
700 [tegra_clk_host1x_8] = { .dt_id = TEGRA114_CLK_HOST1X, .present = true },
701 [tegra_clk_vcp] = { .dt_id = TEGRA114_CLK_VCP, .present = true },
702 [tegra_clk_apbdma] = { .dt_id = TEGRA114_CLK_APBDMA, .present = true },
703 [tegra_clk_kbc] = { .dt_id = TEGRA114_CLK_KBC, .present = true },
704 [tegra_clk_kfuse] = { .dt_id = TEGRA114_CLK_KFUSE, .present = true },
705 [tegra_clk_sbc1_8] = { .dt_id = TEGRA114_CLK_SBC1, .present = true },
706 [tegra_clk_nor] = { .dt_id = TEGRA114_CLK_NOR, .present = true },
707 [tegra_clk_sbc2_8] = { .dt_id = TEGRA114_CLK_SBC2, .present = true },
708 [tegra_clk_sbc3_8] = { .dt_id = TEGRA114_CLK_SBC3, .present = true },
709 [tegra_clk_i2c5] = { .dt_id = TEGRA114_CLK_I2C5, .present = true },
710 [tegra_clk_dsia] = { .dt_id = TEGRA114_CLK_DSIA, .present = true },
711 [tegra_clk_mipi] = { .dt_id = TEGRA114_CLK_MIPI, .present = true },
712 [tegra_clk_hdmi] = { .dt_id = TEGRA114_CLK_HDMI, .present = true },
713 [tegra_clk_csi] = { .dt_id = TEGRA114_CLK_CSI, .present = true },
714 [tegra_clk_i2c2] = { .dt_id = TEGRA114_CLK_I2C2, .present = true },
715 [tegra_clk_uartc] = { .dt_id = TEGRA114_CLK_UARTC, .present = true },
716 [tegra_clk_mipi_cal] = { .dt_id = TEGRA114_CLK_MIPI_CAL, .present = true },
717 [tegra_clk_emc] = { .dt_id = TEGRA114_CLK_EMC, .present = true },
718 [tegra_clk_usb2] = { .dt_id = TEGRA114_CLK_USB2, .present = true },
719 [tegra_clk_usb3] = { .dt_id = TEGRA114_CLK_USB3, .present = true },
720 [tegra_clk_vde_8] = { .dt_id = TEGRA114_CLK_VDE, .present = true },
721 [tegra_clk_bsea] = { .dt_id = TEGRA114_CLK_BSEA, .present = true },
722 [tegra_clk_bsev] = { .dt_id = TEGRA114_CLK_BSEV, .present = true },
723 [tegra_clk_i2c3] = { .dt_id = TEGRA114_CLK_I2C3, .present = true },
724 [tegra_clk_sbc4_8] = { .dt_id = TEGRA114_CLK_SBC4, .present = true },
Andrew Bresticker20e7c322013-12-26 16:44:25 -0800725 [tegra_clk_sdmmc3_8] = { .dt_id = TEGRA114_CLK_SDMMC3, .present = true },
Peter De Schrijver6609dbe2013-09-17 15:42:24 +0300726 [tegra_clk_owr] = { .dt_id = TEGRA114_CLK_OWR, .present = true },
727 [tegra_clk_csite] = { .dt_id = TEGRA114_CLK_CSITE, .present = true },
728 [tegra_clk_la] = { .dt_id = TEGRA114_CLK_LA, .present = true },
729 [tegra_clk_trace] = { .dt_id = TEGRA114_CLK_TRACE, .present = true },
730 [tegra_clk_soc_therm] = { .dt_id = TEGRA114_CLK_SOC_THERM, .present = true },
731 [tegra_clk_dtv] = { .dt_id = TEGRA114_CLK_DTV, .present = true },
732 [tegra_clk_ndspeed] = { .dt_id = TEGRA114_CLK_NDSPEED, .present = true },
733 [tegra_clk_i2cslow] = { .dt_id = TEGRA114_CLK_I2CSLOW, .present = true },
734 [tegra_clk_dsib] = { .dt_id = TEGRA114_CLK_DSIB, .present = true },
735 [tegra_clk_tsec] = { .dt_id = TEGRA114_CLK_TSEC, .present = true },
736 [tegra_clk_xusb_host] = { .dt_id = TEGRA114_CLK_XUSB_HOST, .present = true },
737 [tegra_clk_msenc] = { .dt_id = TEGRA114_CLK_MSENC, .present = true },
738 [tegra_clk_csus] = { .dt_id = TEGRA114_CLK_CSUS, .present = true },
739 [tegra_clk_mselect] = { .dt_id = TEGRA114_CLK_MSELECT, .present = true },
740 [tegra_clk_tsensor] = { .dt_id = TEGRA114_CLK_TSENSOR, .present = true },
741 [tegra_clk_i2s3] = { .dt_id = TEGRA114_CLK_I2S3, .present = true },
742 [tegra_clk_i2s4] = { .dt_id = TEGRA114_CLK_I2S4, .present = true },
743 [tegra_clk_i2c4] = { .dt_id = TEGRA114_CLK_I2C4, .present = true },
744 [tegra_clk_sbc5_8] = { .dt_id = TEGRA114_CLK_SBC5, .present = true },
745 [tegra_clk_sbc6_8] = { .dt_id = TEGRA114_CLK_SBC6, .present = true },
746 [tegra_clk_d_audio] = { .dt_id = TEGRA114_CLK_D_AUDIO, .present = true },
747 [tegra_clk_apbif] = { .dt_id = TEGRA114_CLK_APBIF, .present = true },
748 [tegra_clk_dam0] = { .dt_id = TEGRA114_CLK_DAM0, .present = true },
749 [tegra_clk_dam1] = { .dt_id = TEGRA114_CLK_DAM1, .present = true },
750 [tegra_clk_dam2] = { .dt_id = TEGRA114_CLK_DAM2, .present = true },
751 [tegra_clk_hda2codec_2x] = { .dt_id = TEGRA114_CLK_HDA2CODEC_2X, .present = true },
752 [tegra_clk_audio0_2x] = { .dt_id = TEGRA114_CLK_AUDIO0_2X, .present = true },
753 [tegra_clk_audio1_2x] = { .dt_id = TEGRA114_CLK_AUDIO1_2X, .present = true },
754 [tegra_clk_audio2_2x] = { .dt_id = TEGRA114_CLK_AUDIO2_2X, .present = true },
755 [tegra_clk_audio3_2x] = { .dt_id = TEGRA114_CLK_AUDIO3_2X, .present = true },
756 [tegra_clk_audio4_2x] = { .dt_id = TEGRA114_CLK_AUDIO4_2X, .present = true },
757 [tegra_clk_spdif_2x] = { .dt_id = TEGRA114_CLK_SPDIF_2X, .present = true },
758 [tegra_clk_actmon] = { .dt_id = TEGRA114_CLK_ACTMON, .present = true },
759 [tegra_clk_extern1] = { .dt_id = TEGRA114_CLK_EXTERN1, .present = true },
760 [tegra_clk_extern2] = { .dt_id = TEGRA114_CLK_EXTERN2, .present = true },
761 [tegra_clk_extern3] = { .dt_id = TEGRA114_CLK_EXTERN3, .present = true },
762 [tegra_clk_hda] = { .dt_id = TEGRA114_CLK_HDA, .present = true },
763 [tegra_clk_se] = { .dt_id = TEGRA114_CLK_SE, .present = true },
764 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA114_CLK_HDA2HDMI, .present = true },
765 [tegra_clk_cilab] = { .dt_id = TEGRA114_CLK_CILAB, .present = true },
766 [tegra_clk_cilcd] = { .dt_id = TEGRA114_CLK_CILCD, .present = true },
767 [tegra_clk_cile] = { .dt_id = TEGRA114_CLK_CILE, .present = true },
768 [tegra_clk_dsialp] = { .dt_id = TEGRA114_CLK_DSIALP, .present = true },
769 [tegra_clk_dsiblp] = { .dt_id = TEGRA114_CLK_DSIBLP, .present = true },
770 [tegra_clk_dds] = { .dt_id = TEGRA114_CLK_DDS, .present = true },
771 [tegra_clk_dp2] = { .dt_id = TEGRA114_CLK_DP2, .present = true },
772 [tegra_clk_amx] = { .dt_id = TEGRA114_CLK_AMX, .present = true },
773 [tegra_clk_adx] = { .dt_id = TEGRA114_CLK_ADX, .present = true },
774 [tegra_clk_xusb_ss] = { .dt_id = TEGRA114_CLK_XUSB_SS, .present = true },
775 [tegra_clk_uartb] = { .dt_id = TEGRA114_CLK_UARTB, .present = true },
776 [tegra_clk_vfir] = { .dt_id = TEGRA114_CLK_VFIR, .present = true },
777 [tegra_clk_spdif_in] = { .dt_id = TEGRA114_CLK_SPDIF_IN, .present = true },
778 [tegra_clk_spdif_out] = { .dt_id = TEGRA114_CLK_SPDIF_OUT, .present = true },
779 [tegra_clk_vi_8] = { .dt_id = TEGRA114_CLK_VI, .present = true },
780 [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA114_CLK_VI_SENSOR, .present = true },
781 [tegra_clk_fuse] = { .dt_id = TEGRA114_CLK_FUSE, .present = true },
782 [tegra_clk_fuse_burn] = { .dt_id = TEGRA114_CLK_FUSE_BURN, .present = true },
783 [tegra_clk_clk_32k] = { .dt_id = TEGRA114_CLK_CLK_32K, .present = true },
784 [tegra_clk_clk_m] = { .dt_id = TEGRA114_CLK_CLK_M, .present = true },
785 [tegra_clk_clk_m_div2] = { .dt_id = TEGRA114_CLK_CLK_M_DIV2, .present = true },
786 [tegra_clk_clk_m_div4] = { .dt_id = TEGRA114_CLK_CLK_M_DIV4, .present = true },
787 [tegra_clk_pll_ref] = { .dt_id = TEGRA114_CLK_PLL_REF, .present = true },
788 [tegra_clk_pll_c] = { .dt_id = TEGRA114_CLK_PLL_C, .present = true },
789 [tegra_clk_pll_c_out1] = { .dt_id = TEGRA114_CLK_PLL_C_OUT1, .present = true },
790 [tegra_clk_pll_c2] = { .dt_id = TEGRA114_CLK_PLL_C2, .present = true },
791 [tegra_clk_pll_c3] = { .dt_id = TEGRA114_CLK_PLL_C3, .present = true },
792 [tegra_clk_pll_m] = { .dt_id = TEGRA114_CLK_PLL_M, .present = true },
793 [tegra_clk_pll_m_out1] = { .dt_id = TEGRA114_CLK_PLL_M_OUT1, .present = true },
794 [tegra_clk_pll_p] = { .dt_id = TEGRA114_CLK_PLL_P, .present = true },
795 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA114_CLK_PLL_P_OUT1, .present = true },
796 [tegra_clk_pll_p_out2_int] = { .dt_id = TEGRA114_CLK_PLL_P_OUT2, .present = true },
797 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA114_CLK_PLL_P_OUT3, .present = true },
798 [tegra_clk_pll_p_out4] = { .dt_id = TEGRA114_CLK_PLL_P_OUT4, .present = true },
799 [tegra_clk_pll_a] = { .dt_id = TEGRA114_CLK_PLL_A, .present = true },
800 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA114_CLK_PLL_A_OUT0, .present = true },
801 [tegra_clk_pll_d] = { .dt_id = TEGRA114_CLK_PLL_D, .present = true },
802 [tegra_clk_pll_d_out0] = { .dt_id = TEGRA114_CLK_PLL_D_OUT0, .present = true },
803 [tegra_clk_pll_d2] = { .dt_id = TEGRA114_CLK_PLL_D2, .present = true },
804 [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA114_CLK_PLL_D2_OUT0, .present = true },
805 [tegra_clk_pll_u] = { .dt_id = TEGRA114_CLK_PLL_U, .present = true },
806 [tegra_clk_pll_u_480m] = { .dt_id = TEGRA114_CLK_PLL_U_480M, .present = true },
807 [tegra_clk_pll_u_60m] = { .dt_id = TEGRA114_CLK_PLL_U_60M, .present = true },
808 [tegra_clk_pll_u_48m] = { .dt_id = TEGRA114_CLK_PLL_U_48M, .present = true },
809 [tegra_clk_pll_u_12m] = { .dt_id = TEGRA114_CLK_PLL_U_12M, .present = true },
810 [tegra_clk_pll_x] = { .dt_id = TEGRA114_CLK_PLL_X, .present = true },
811 [tegra_clk_pll_x_out0] = { .dt_id = TEGRA114_CLK_PLL_X_OUT0, .present = true },
812 [tegra_clk_pll_re_vco] = { .dt_id = TEGRA114_CLK_PLL_RE_VCO, .present = true },
813 [tegra_clk_pll_re_out] = { .dt_id = TEGRA114_CLK_PLL_RE_OUT, .present = true },
814 [tegra_clk_pll_e_out0] = { .dt_id = TEGRA114_CLK_PLL_E_OUT0, .present = true },
815 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA114_CLK_SPDIF_IN_SYNC, .present = true },
816 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA114_CLK_I2S0_SYNC, .present = true },
817 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA114_CLK_I2S1_SYNC, .present = true },
818 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA114_CLK_I2S2_SYNC, .present = true },
819 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA114_CLK_I2S3_SYNC, .present = true },
820 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA114_CLK_I2S4_SYNC, .present = true },
821 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA114_CLK_VIMCLK_SYNC, .present = true },
822 [tegra_clk_audio0] = { .dt_id = TEGRA114_CLK_AUDIO0, .present = true },
823 [tegra_clk_audio1] = { .dt_id = TEGRA114_CLK_AUDIO1, .present = true },
824 [tegra_clk_audio2] = { .dt_id = TEGRA114_CLK_AUDIO2, .present = true },
825 [tegra_clk_audio3] = { .dt_id = TEGRA114_CLK_AUDIO3, .present = true },
826 [tegra_clk_audio4] = { .dt_id = TEGRA114_CLK_AUDIO4, .present = true },
827 [tegra_clk_spdif] = { .dt_id = TEGRA114_CLK_SPDIF, .present = true },
828 [tegra_clk_clk_out_1] = { .dt_id = TEGRA114_CLK_CLK_OUT_1, .present = true },
829 [tegra_clk_clk_out_2] = { .dt_id = TEGRA114_CLK_CLK_OUT_2, .present = true },
830 [tegra_clk_clk_out_3] = { .dt_id = TEGRA114_CLK_CLK_OUT_3, .present = true },
831 [tegra_clk_blink] = { .dt_id = TEGRA114_CLK_BLINK, .present = true },
832 [tegra_clk_xusb_host_src] = { .dt_id = TEGRA114_CLK_XUSB_HOST_SRC, .present = true },
833 [tegra_clk_xusb_falcon_src] = { .dt_id = TEGRA114_CLK_XUSB_FALCON_SRC, .present = true },
834 [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA114_CLK_XUSB_FS_SRC, .present = true },
835 [tegra_clk_xusb_ss_src] = { .dt_id = TEGRA114_CLK_XUSB_SS_SRC, .present = true },
Andrew Bresticker5c992af2014-05-14 17:32:59 -0700836 [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA114_CLK_XUSB_SS_DIV2, .present = true},
Peter De Schrijver6609dbe2013-09-17 15:42:24 +0300837 [tegra_clk_xusb_dev_src] = { .dt_id = TEGRA114_CLK_XUSB_DEV_SRC, .present = true },
838 [tegra_clk_xusb_dev] = { .dt_id = TEGRA114_CLK_XUSB_DEV, .present = true },
839 [tegra_clk_xusb_hs_src] = { .dt_id = TEGRA114_CLK_XUSB_HS_SRC, .present = true },
840 [tegra_clk_sclk] = { .dt_id = TEGRA114_CLK_SCLK, .present = true },
841 [tegra_clk_hclk] = { .dt_id = TEGRA114_CLK_HCLK, .present = true },
842 [tegra_clk_pclk] = { .dt_id = TEGRA114_CLK_PCLK, .present = true },
843 [tegra_clk_cclk_g] = { .dt_id = TEGRA114_CLK_CCLK_G, .present = true },
844 [tegra_clk_cclk_lp] = { .dt_id = TEGRA114_CLK_CCLK_LP, .present = true },
845 [tegra_clk_dfll_ref] = { .dt_id = TEGRA114_CLK_DFLL_REF, .present = true },
846 [tegra_clk_dfll_soc] = { .dt_id = TEGRA114_CLK_DFLL_SOC, .present = true },
847 [tegra_clk_audio0_mux] = { .dt_id = TEGRA114_CLK_AUDIO0_MUX, .present = true },
848 [tegra_clk_audio1_mux] = { .dt_id = TEGRA114_CLK_AUDIO1_MUX, .present = true },
849 [tegra_clk_audio2_mux] = { .dt_id = TEGRA114_CLK_AUDIO2_MUX, .present = true },
850 [tegra_clk_audio3_mux] = { .dt_id = TEGRA114_CLK_AUDIO3_MUX, .present = true },
851 [tegra_clk_audio4_mux] = { .dt_id = TEGRA114_CLK_AUDIO4_MUX, .present = true },
852 [tegra_clk_spdif_mux] = { .dt_id = TEGRA114_CLK_SPDIF_MUX, .present = true },
853 [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA114_CLK_CLK_OUT_1_MUX, .present = true },
854 [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA114_CLK_CLK_OUT_2_MUX, .present = true },
855 [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA114_CLK_CLK_OUT_3_MUX, .present = true },
856 [tegra_clk_dsia_mux] = { .dt_id = TEGRA114_CLK_DSIA_MUX, .present = true },
857 [tegra_clk_dsib_mux] = { .dt_id = TEGRA114_CLK_DSIB_MUX, .present = true },
858};
859
Peter De Schrijver73d37e42013-10-09 14:47:57 +0300860static struct tegra_devclk devclks[] __initdata = {
861 { .con_id = "clk_m", .dt_id = TEGRA114_CLK_CLK_M },
862 { .con_id = "pll_ref", .dt_id = TEGRA114_CLK_PLL_REF },
863 { .con_id = "clk_32k", .dt_id = TEGRA114_CLK_CLK_32K },
864 { .con_id = "clk_m_div2", .dt_id = TEGRA114_CLK_CLK_M_DIV2 },
865 { .con_id = "clk_m_div4", .dt_id = TEGRA114_CLK_CLK_M_DIV4 },
866 { .con_id = "pll_c", .dt_id = TEGRA114_CLK_PLL_C },
867 { .con_id = "pll_c_out1", .dt_id = TEGRA114_CLK_PLL_C_OUT1 },
868 { .con_id = "pll_c2", .dt_id = TEGRA114_CLK_PLL_C2 },
869 { .con_id = "pll_c3", .dt_id = TEGRA114_CLK_PLL_C3 },
870 { .con_id = "pll_p", .dt_id = TEGRA114_CLK_PLL_P },
871 { .con_id = "pll_p_out1", .dt_id = TEGRA114_CLK_PLL_P_OUT1 },
872 { .con_id = "pll_p_out2", .dt_id = TEGRA114_CLK_PLL_P_OUT2 },
873 { .con_id = "pll_p_out3", .dt_id = TEGRA114_CLK_PLL_P_OUT3 },
874 { .con_id = "pll_p_out4", .dt_id = TEGRA114_CLK_PLL_P_OUT4 },
875 { .con_id = "pll_m", .dt_id = TEGRA114_CLK_PLL_M },
876 { .con_id = "pll_m_out1", .dt_id = TEGRA114_CLK_PLL_M_OUT1 },
877 { .con_id = "pll_x", .dt_id = TEGRA114_CLK_PLL_X },
878 { .con_id = "pll_x_out0", .dt_id = TEGRA114_CLK_PLL_X_OUT0 },
879 { .con_id = "pll_u", .dt_id = TEGRA114_CLK_PLL_U },
880 { .con_id = "pll_u_480M", .dt_id = TEGRA114_CLK_PLL_U_480M },
881 { .con_id = "pll_u_60M", .dt_id = TEGRA114_CLK_PLL_U_60M },
882 { .con_id = "pll_u_48M", .dt_id = TEGRA114_CLK_PLL_U_48M },
883 { .con_id = "pll_u_12M", .dt_id = TEGRA114_CLK_PLL_U_12M },
884 { .con_id = "pll_d", .dt_id = TEGRA114_CLK_PLL_D },
885 { .con_id = "pll_d_out0", .dt_id = TEGRA114_CLK_PLL_D_OUT0 },
886 { .con_id = "pll_d2", .dt_id = TEGRA114_CLK_PLL_D2 },
887 { .con_id = "pll_d2_out0", .dt_id = TEGRA114_CLK_PLL_D2_OUT0 },
888 { .con_id = "pll_a", .dt_id = TEGRA114_CLK_PLL_A },
889 { .con_id = "pll_a_out0", .dt_id = TEGRA114_CLK_PLL_A_OUT0 },
890 { .con_id = "pll_re_vco", .dt_id = TEGRA114_CLK_PLL_RE_VCO },
891 { .con_id = "pll_re_out", .dt_id = TEGRA114_CLK_PLL_RE_OUT },
892 { .con_id = "pll_e_out0", .dt_id = TEGRA114_CLK_PLL_E_OUT0 },
893 { .con_id = "spdif_in_sync", .dt_id = TEGRA114_CLK_SPDIF_IN_SYNC },
894 { .con_id = "i2s0_sync", .dt_id = TEGRA114_CLK_I2S0_SYNC },
895 { .con_id = "i2s1_sync", .dt_id = TEGRA114_CLK_I2S1_SYNC },
896 { .con_id = "i2s2_sync", .dt_id = TEGRA114_CLK_I2S2_SYNC },
897 { .con_id = "i2s3_sync", .dt_id = TEGRA114_CLK_I2S3_SYNC },
898 { .con_id = "i2s4_sync", .dt_id = TEGRA114_CLK_I2S4_SYNC },
899 { .con_id = "vimclk_sync", .dt_id = TEGRA114_CLK_VIMCLK_SYNC },
900 { .con_id = "audio0", .dt_id = TEGRA114_CLK_AUDIO0 },
901 { .con_id = "audio1", .dt_id = TEGRA114_CLK_AUDIO1 },
902 { .con_id = "audio2", .dt_id = TEGRA114_CLK_AUDIO2 },
903 { .con_id = "audio3", .dt_id = TEGRA114_CLK_AUDIO3 },
904 { .con_id = "audio4", .dt_id = TEGRA114_CLK_AUDIO4 },
905 { .con_id = "spdif", .dt_id = TEGRA114_CLK_SPDIF },
906 { .con_id = "audio0_2x", .dt_id = TEGRA114_CLK_AUDIO0_2X },
907 { .con_id = "audio1_2x", .dt_id = TEGRA114_CLK_AUDIO1_2X },
908 { .con_id = "audio2_2x", .dt_id = TEGRA114_CLK_AUDIO2_2X },
909 { .con_id = "audio3_2x", .dt_id = TEGRA114_CLK_AUDIO3_2X },
910 { .con_id = "audio4_2x", .dt_id = TEGRA114_CLK_AUDIO4_2X },
911 { .con_id = "spdif_2x", .dt_id = TEGRA114_CLK_SPDIF_2X },
912 { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA114_CLK_EXTERN1 },
913 { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA114_CLK_EXTERN2 },
914 { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA114_CLK_EXTERN3 },
915 { .con_id = "blink", .dt_id = TEGRA114_CLK_BLINK },
916 { .con_id = "cclk_g", .dt_id = TEGRA114_CLK_CCLK_G },
917 { .con_id = "cclk_lp", .dt_id = TEGRA114_CLK_CCLK_LP },
918 { .con_id = "sclk", .dt_id = TEGRA114_CLK_SCLK },
919 { .con_id = "hclk", .dt_id = TEGRA114_CLK_HCLK },
920 { .con_id = "pclk", .dt_id = TEGRA114_CLK_PCLK },
Alexandre Courbot5ab5d402013-11-21 03:38:10 +0100921 { .con_id = "fuse", .dt_id = TEGRA114_CLK_FUSE },
Peter De Schrijver73d37e42013-10-09 14:47:57 +0300922 { .dev_id = "rtc-tegra", .dt_id = TEGRA114_CLK_RTC },
923 { .dev_id = "timer", .dt_id = TEGRA114_CLK_TIMER },
924};
925
Peter De Schrijver343a6072013-09-02 15:22:02 +0300926static struct clk **clks;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300927
928static unsigned long osc_freq;
929static unsigned long pll_ref_freq;
930
931static int __init tegra114_osc_clk_init(void __iomem *clk_base)
932{
933 struct clk *clk;
934 u32 val, pll_ref_div;
935
936 val = readl_relaxed(clk_base + OSC_CTRL);
937
938 osc_freq = tegra114_input_freq[val >> OSC_CTRL_OSC_FREQ_SHIFT];
939 if (!osc_freq) {
940 WARN_ON(1);
941 return -EINVAL;
942 }
943
944 /* clk_m */
945 clk = clk_register_fixed_rate(NULL, "clk_m", NULL, CLK_IS_ROOT,
946 osc_freq);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +0300947 clks[TEGRA114_CLK_CLK_M] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300948
949 /* pll_ref */
950 val = (val >> OSC_CTRL_PLL_REF_DIV_SHIFT) & 3;
951 pll_ref_div = 1 << val;
952 clk = clk_register_fixed_factor(NULL, "pll_ref", "clk_m",
953 CLK_SET_RATE_PARENT, 1, pll_ref_div);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +0300954 clks[TEGRA114_CLK_PLL_REF] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300955
956 pll_ref_freq = osc_freq / pll_ref_div;
957
958 return 0;
959}
960
961static void __init tegra114_fixed_clk_init(void __iomem *clk_base)
962{
963 struct clk *clk;
964
965 /* clk_32k */
966 clk = clk_register_fixed_rate(NULL, "clk_32k", NULL, CLK_IS_ROOT,
967 32768);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +0300968 clks[TEGRA114_CLK_CLK_32K] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300969
970 /* clk_m_div2 */
971 clk = clk_register_fixed_factor(NULL, "clk_m_div2", "clk_m",
972 CLK_SET_RATE_PARENT, 1, 2);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +0300973 clks[TEGRA114_CLK_CLK_M_DIV2] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300974
975 /* clk_m_div4 */
976 clk = clk_register_fixed_factor(NULL, "clk_m_div4", "clk_m",
977 CLK_SET_RATE_PARENT, 1, 4);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +0300978 clks[TEGRA114_CLK_CLK_M_DIV4] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +0300979
980}
981
982static __init void tegra114_utmi_param_configure(void __iomem *clk_base)
983{
984 u32 reg;
985 int i;
986
987 for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
988 if (osc_freq == utmi_parameters[i].osc_frequency)
989 break;
990 }
991
992 if (i >= ARRAY_SIZE(utmi_parameters)) {
993 pr_err("%s: Unexpected oscillator freq %lu\n", __func__,
994 osc_freq);
995 return;
996 }
997
998 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
999
1000 /* Program UTMIP PLL stable and active counts */
1001 /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */
1002 reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
1003 reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count);
1004
1005 reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
1006
1007 reg |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].
1008 active_delay_count);
1009
1010 /* Remove power downs from UTMIP PLL control bits */
1011 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
1012 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
1013 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN;
1014
1015 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
1016
1017 /* Program UTMIP PLL delay and oscillator frequency counts */
1018 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
1019 reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
1020
1021 reg |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].
1022 enable_delay_count);
1023
1024 reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
1025 reg |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].
1026 xtal_freq_count);
1027
1028 /* Remove power downs from UTMIP PLL control bits */
1029 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
1030 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN;
1031 reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP;
1032 reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
1033 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
1034
1035 /* Setup HW control of UTMIPLL */
1036 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
1037 reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET;
1038 reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL;
1039 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE;
1040 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
1041
1042 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
1043 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
1044 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
1045 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
1046
1047 udelay(1);
1048
1049 /* Setup SW override of UTMIPLL assuming USB2.0
1050 ports are assigned to USB2 */
1051 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
1052 reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL;
1053 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
1054 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
1055
1056 udelay(1);
1057
1058 /* Enable HW control UTMIPLL */
1059 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
1060 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE;
1061 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
1062}
1063
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001064static void __init tegra114_pll_init(void __iomem *clk_base,
1065 void __iomem *pmc)
1066{
1067 u32 val;
1068 struct clk *clk;
1069
1070 /* PLLC */
Peter De Schrijver04edb092013-09-06 14:37:37 +03001071 clk = tegra_clk_register_pllxc("pll_c", "pll_ref", clk_base,
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001072 pmc, 0, &pll_c_params, NULL);
Peter De Schrijver04edb092013-09-06 14:37:37 +03001073 clks[TEGRA114_CLK_PLL_C] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001074
Peter De Schrijver04edb092013-09-06 14:37:37 +03001075 /* PLLC_OUT1 */
1076 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
1077 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
1078 8, 8, 1, NULL);
1079 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
1080 clk_base + PLLC_OUT, 1, 0,
1081 CLK_SET_RATE_PARENT, 0, NULL);
Peter De Schrijver04edb092013-09-06 14:37:37 +03001082 clks[TEGRA114_CLK_PLL_C_OUT1] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001083
1084 /* PLLC2 */
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001085 clk = tegra_clk_register_pllc("pll_c2", "pll_ref", clk_base, pmc, 0,
1086 &pll_c2_params, NULL);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001087 clks[TEGRA114_CLK_PLL_C2] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001088
1089 /* PLLC3 */
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001090 clk = tegra_clk_register_pllc("pll_c3", "pll_ref", clk_base, pmc, 0,
1091 &pll_c3_params, NULL);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001092 clks[TEGRA114_CLK_PLL_C3] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001093
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001094 /* PLLM */
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001095 clk = tegra_clk_register_pllm("pll_m", "pll_ref", clk_base, pmc,
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001096 CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE,
1097 &pll_m_params, NULL);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001098 clks[TEGRA114_CLK_PLL_M] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001099
1100 /* PLLM_OUT1 */
1101 clk = tegra_clk_register_divider("pll_m_out1_div", "pll_m",
1102 clk_base + PLLM_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
1103 8, 8, 1, NULL);
1104 clk = tegra_clk_register_pll_out("pll_m_out1", "pll_m_out1_div",
1105 clk_base + PLLM_OUT, 1, 0, CLK_IGNORE_UNUSED |
1106 CLK_SET_RATE_PARENT, 0, NULL);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001107 clks[TEGRA114_CLK_PLL_M_OUT1] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001108
1109 /* PLLM_UD */
1110 clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m",
1111 CLK_SET_RATE_PARENT, 1, 1);
1112
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001113 /* PLLU */
1114 val = readl(clk_base + pll_u_params.base_reg);
1115 val &= ~BIT(24); /* disable PLLU_OVERRIDE */
1116 writel(val, clk_base + pll_u_params.base_reg);
1117
1118 clk = tegra_clk_register_pll("pll_u", "pll_ref", clk_base, pmc, 0,
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001119 &pll_u_params, &pll_u_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001120 clks[TEGRA114_CLK_PLL_U] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001121
1122 tegra114_utmi_param_configure(clk_base);
1123
1124 /* PLLU_480M */
1125 clk = clk_register_gate(NULL, "pll_u_480M", "pll_u",
1126 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
1127 22, 0, &pll_u_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001128 clks[TEGRA114_CLK_PLL_U_480M] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001129
1130 /* PLLU_60M */
1131 clk = clk_register_fixed_factor(NULL, "pll_u_60M", "pll_u",
1132 CLK_SET_RATE_PARENT, 1, 8);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001133 clks[TEGRA114_CLK_PLL_U_60M] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001134
1135 /* PLLU_48M */
1136 clk = clk_register_fixed_factor(NULL, "pll_u_48M", "pll_u",
1137 CLK_SET_RATE_PARENT, 1, 10);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001138 clks[TEGRA114_CLK_PLL_U_48M] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001139
1140 /* PLLU_12M */
1141 clk = clk_register_fixed_factor(NULL, "pll_u_12M", "pll_u",
1142 CLK_SET_RATE_PARENT, 1, 40);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001143 clks[TEGRA114_CLK_PLL_U_12M] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001144
1145 /* PLLD */
1146 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0,
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001147 &pll_d_params, &pll_d_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001148 clks[TEGRA114_CLK_PLL_D] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001149
1150 /* PLLD_OUT0 */
1151 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
1152 CLK_SET_RATE_PARENT, 1, 2);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001153 clks[TEGRA114_CLK_PLL_D_OUT0] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001154
1155 /* PLLD2 */
1156 clk = tegra_clk_register_pll("pll_d2", "pll_ref", clk_base, pmc, 0,
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001157 &pll_d2_params, &pll_d2_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001158 clks[TEGRA114_CLK_PLL_D2] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001159
1160 /* PLLD2_OUT0 */
1161 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
1162 CLK_SET_RATE_PARENT, 1, 2);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001163 clks[TEGRA114_CLK_PLL_D2_OUT0] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001164
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001165 /* PLLRE */
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001166 clk = tegra_clk_register_pllre("pll_re_vco", "pll_ref", clk_base, pmc,
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001167 0, &pll_re_vco_params, &pll_re_lock, pll_ref_freq);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001168 clks[TEGRA114_CLK_PLL_RE_VCO] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001169
1170 clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0,
1171 clk_base + PLLRE_BASE, 16, 4, 0,
1172 pll_re_div_table, &pll_re_lock);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001173 clks[TEGRA114_CLK_PLL_RE_OUT] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001174
1175 /* PLLE */
Peter De Schrijver8e9cc802013-11-25 14:44:13 +02001176 clk = tegra_clk_register_plle_tegra114("pll_e_out0", "pll_ref",
Peter De Schrijverebe142b2013-10-04 17:28:34 +03001177 clk_base, 0, &pll_e_params, NULL);
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001178 clks[TEGRA114_CLK_PLL_E_OUT0] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001179}
1180
Peter De Schrijver76ebc132013-09-04 17:04:19 +03001181static __init void tegra114_periph_clk_init(void __iomem *clk_base,
1182 void __iomem *pmc_base)
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001183{
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001184 struct clk *clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001185
Andrew Bresticker5c992af2014-05-14 17:32:59 -07001186 /* xusb_ss_div2 */
1187 clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0,
1188 1, 2);
1189 clks[TEGRA114_CLK_XUSB_SS_DIV2] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001190
Peter De Schrijver76ebc132013-09-04 17:04:19 +03001191 /* dsia mux */
1192 clk = clk_register_mux(NULL, "dsia_mux", mux_plld_out0_plld2_out0,
1193 ARRAY_SIZE(mux_plld_out0_plld2_out0),
1194 CLK_SET_RATE_NO_REPARENT,
1195 clk_base + PLLD_BASE, 25, 1, 0, &pll_d_lock);
1196 clks[TEGRA114_CLK_DSIA_MUX] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001197
Peter De Schrijver76ebc132013-09-04 17:04:19 +03001198 /* dsib mux */
1199 clk = clk_register_mux(NULL, "dsib_mux", mux_plld_out0_plld2_out0,
1200 ARRAY_SIZE(mux_plld_out0_plld2_out0),
1201 CLK_SET_RATE_NO_REPARENT,
1202 clk_base + PLLD2_BASE, 25, 1, 0, &pll_d2_lock);
1203 clks[TEGRA114_CLK_DSIB_MUX] = clk;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001204
Peter De Schrijver76ebc132013-09-04 17:04:19 +03001205 /* emc mux */
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001206 clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
James Hogan819c1de2013-07-29 12:25:01 +01001207 ARRAY_SIZE(mux_pllmcp_clkm),
1208 CLK_SET_RATE_NO_REPARENT,
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001209 clk_base + CLK_SOURCE_EMC,
1210 29, 3, 0, NULL);
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001211
Peter De Schrijver76ebc132013-09-04 17:04:19 +03001212 tegra_periph_clk_init(clk_base, pmc_base, tegra114_clks,
1213 &pll_p_params);
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001214}
1215
Joseph Lo31972fd2013-05-20 18:39:28 +08001216/* Tegra114 CPU clock and reset control functions */
1217static void tegra114_wait_cpu_in_reset(u32 cpu)
1218{
1219 unsigned int reg;
1220
1221 do {
1222 reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
1223 cpu_relax();
1224 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */
1225}
1226static void tegra114_disable_cpu_clock(u32 cpu)
1227{
1228 /* flow controller would take care in the power sequence. */
1229}
1230
Joseph Load7d1142013-07-03 17:50:44 +08001231#ifdef CONFIG_PM_SLEEP
1232static void tegra114_cpu_clock_suspend(void)
1233{
1234 /* switch coresite to clk_m, save off original source */
1235 tegra114_cpu_clk_sctx.clk_csite_src =
1236 readl(clk_base + CLK_SOURCE_CSITE);
1237 writel(3 << 30, clk_base + CLK_SOURCE_CSITE);
Joseph Lo0017f442013-08-12 17:40:02 +08001238
1239 tegra114_cpu_clk_sctx.cclkg_burst =
1240 readl(clk_base + CCLKG_BURST_POLICY);
1241 tegra114_cpu_clk_sctx.cclkg_divider =
1242 readl(clk_base + CCLKG_BURST_POLICY + 4);
Joseph Load7d1142013-07-03 17:50:44 +08001243}
1244
1245static void tegra114_cpu_clock_resume(void)
1246{
1247 writel(tegra114_cpu_clk_sctx.clk_csite_src,
1248 clk_base + CLK_SOURCE_CSITE);
Joseph Lo0017f442013-08-12 17:40:02 +08001249
1250 writel(tegra114_cpu_clk_sctx.cclkg_burst,
1251 clk_base + CCLKG_BURST_POLICY);
1252 writel(tegra114_cpu_clk_sctx.cclkg_divider,
1253 clk_base + CCLKG_BURST_POLICY + 4);
Joseph Load7d1142013-07-03 17:50:44 +08001254}
1255#endif
1256
Joseph Lo31972fd2013-05-20 18:39:28 +08001257static struct tegra_cpu_car_ops tegra114_cpu_car_ops = {
1258 .wait_for_reset = tegra114_wait_cpu_in_reset,
1259 .disable_clock = tegra114_disable_cpu_clock,
Joseph Load7d1142013-07-03 17:50:44 +08001260#ifdef CONFIG_PM_SLEEP
1261 .suspend = tegra114_cpu_clock_suspend,
1262 .resume = tegra114_cpu_clock_resume,
1263#endif
Joseph Lo31972fd2013-05-20 18:39:28 +08001264};
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001265
1266static const struct of_device_id pmc_match[] __initconst = {
1267 { .compatible = "nvidia,tegra114-pmc" },
1268 {},
1269};
1270
Paul Walmsley9e601212013-06-07 06:19:01 -06001271/*
1272 * dfll_soc/dfll_ref apparently must be kept enabled, otherwise I2C5
1273 * breaks
1274 */
Sachin Kamat056dfcf2013-08-08 09:55:47 +05301275static struct tegra_clk_init_table init_table[] __initdata = {
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001276 {TEGRA114_CLK_UARTA, TEGRA114_CLK_PLL_P, 408000000, 0},
1277 {TEGRA114_CLK_UARTB, TEGRA114_CLK_PLL_P, 408000000, 0},
1278 {TEGRA114_CLK_UARTC, TEGRA114_CLK_PLL_P, 408000000, 0},
1279 {TEGRA114_CLK_UARTD, TEGRA114_CLK_PLL_P, 408000000, 0},
1280 {TEGRA114_CLK_PLL_A, TEGRA114_CLK_CLK_MAX, 564480000, 1},
1281 {TEGRA114_CLK_PLL_A_OUT0, TEGRA114_CLK_CLK_MAX, 11289600, 1},
1282 {TEGRA114_CLK_EXTERN1, TEGRA114_CLK_PLL_A_OUT0, 0, 1},
1283 {TEGRA114_CLK_CLK_OUT_1_MUX, TEGRA114_CLK_EXTERN1, 0, 1},
1284 {TEGRA114_CLK_CLK_OUT_1, TEGRA114_CLK_CLK_MAX, 0, 1},
1285 {TEGRA114_CLK_I2S0, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0},
1286 {TEGRA114_CLK_I2S1, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0},
1287 {TEGRA114_CLK_I2S2, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0},
1288 {TEGRA114_CLK_I2S3, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0},
1289 {TEGRA114_CLK_I2S4, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0},
Andrew Chew897e1dd2013-08-07 19:25:09 +08001290 {TEGRA114_CLK_HOST1X, TEGRA114_CLK_PLL_P, 136000000, 0},
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001291 {TEGRA114_CLK_DFLL_SOC, TEGRA114_CLK_PLL_P, 51000000, 1},
1292 {TEGRA114_CLK_DFLL_REF, TEGRA114_CLK_PLL_P, 51000000, 1},
Mikko Perttunen77f71732013-10-29 16:51:10 +01001293 {TEGRA114_CLK_DISP1, TEGRA114_CLK_PLL_P, 0, 0},
1294 {TEGRA114_CLK_DISP2, TEGRA114_CLK_PLL_P, 0, 0},
Thierry Redingf67a8d22013-10-02 23:12:40 +02001295 {TEGRA114_CLK_GR2D, TEGRA114_CLK_PLL_C2, 300000000, 0},
1296 {TEGRA114_CLK_GR3D, TEGRA114_CLK_PLL_C2, 300000000, 0},
Thierry Reding39409aa2013-11-18 16:11:36 +01001297 {TEGRA114_CLK_DSIALP, TEGRA114_CLK_PLL_P, 68000000, 0},
1298 {TEGRA114_CLK_DSIBLP, TEGRA114_CLK_PLL_P, 68000000, 0},
Mark Zhangfc20eef2013-08-07 19:25:08 +08001299
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001300 /* This MUST be the last entry. */
1301 {TEGRA114_CLK_CLK_MAX, TEGRA114_CLK_CLK_MAX, 0, 0},
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001302};
1303
1304static void __init tegra114_clock_apply_init_table(void)
1305{
Peter De Schrijverc9e2d692013-08-22 15:27:46 +03001306 tegra_init_from_table(init_table, clks, TEGRA114_CLK_CLK_MAX);
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001307}
1308
Paul Walmsley25c9ded2013-06-07 06:18:58 -06001309
1310/**
1311 * tegra114_car_barrier - wait for pending writes to the CAR to complete
1312 *
1313 * Wait for any outstanding writes to the CAR MMIO space from this CPU
1314 * to complete before continuing execution. No return value.
1315 */
1316static void tegra114_car_barrier(void)
1317{
1318 wmb(); /* probably unnecessary */
1319 readl_relaxed(clk_base + CPU_FINETRIM_SELECT);
1320}
1321
1322/**
1323 * tegra114_clock_tune_cpu_trimmers_high - use high-voltage propagation delays
1324 *
1325 * When the CPU rail voltage is in the high-voltage range, use the
1326 * built-in hardwired clock propagation delays in the CPU clock
1327 * shaper. No return value.
1328 */
1329void tegra114_clock_tune_cpu_trimmers_high(void)
1330{
1331 u32 select = 0;
1332
1333 /* Use hardwired rise->rise & fall->fall clock propagation delays */
1334 select |= ~(CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 |
1335 CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 |
1336 CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6);
1337 writel_relaxed(select, clk_base + CPU_FINETRIM_SELECT);
1338
1339 tegra114_car_barrier();
1340}
1341EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_high);
1342
1343/**
1344 * tegra114_clock_tune_cpu_trimmers_low - use low-voltage propagation delays
1345 *
1346 * When the CPU rail voltage is in the low-voltage range, use the
1347 * extended clock propagation delays set by
1348 * tegra114_clock_tune_cpu_trimmers_init(). The intention is to
1349 * maintain the input clock duty cycle that the FCPU subsystem
1350 * expects. No return value.
1351 */
1352void tegra114_clock_tune_cpu_trimmers_low(void)
1353{
1354 u32 select = 0;
1355
1356 /*
1357 * Use software-specified rise->rise & fall->fall clock
1358 * propagation delays (from
1359 * tegra114_clock_tune_cpu_trimmers_init()
1360 */
1361 select |= (CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 |
1362 CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 |
1363 CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6);
1364 writel_relaxed(select, clk_base + CPU_FINETRIM_SELECT);
1365
1366 tegra114_car_barrier();
1367}
1368EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_low);
1369
1370/**
1371 * tegra114_clock_tune_cpu_trimmers_init - set up and enable clk prop delays
1372 *
1373 * Program extended clock propagation delays into the FCPU clock
1374 * shaper and enable them. XXX Define the purpose - peak current
1375 * reduction? No return value.
1376 */
1377/* XXX Initial voltage rail state assumption issues? */
1378void tegra114_clock_tune_cpu_trimmers_init(void)
1379{
1380 u32 dr = 0, r = 0;
1381
1382 /* Increment the rise->rise clock delay by four steps */
1383 r |= (CPU_FINETRIM_R_FCPU_1_MASK | CPU_FINETRIM_R_FCPU_2_MASK |
1384 CPU_FINETRIM_R_FCPU_3_MASK | CPU_FINETRIM_R_FCPU_4_MASK |
1385 CPU_FINETRIM_R_FCPU_5_MASK | CPU_FINETRIM_R_FCPU_6_MASK);
1386 writel_relaxed(r, clk_base + CPU_FINETRIM_R);
1387
1388 /*
1389 * Use the rise->rise clock propagation delay specified in the
1390 * r field
1391 */
1392 dr |= (CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 |
1393 CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 |
1394 CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6);
1395 writel_relaxed(dr, clk_base + CPU_FINETRIM_DR);
1396
1397 tegra114_clock_tune_cpu_trimmers_low();
1398}
1399EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_init);
1400
Paul Walmsley1c472d82013-06-07 06:19:09 -06001401/**
1402 * tegra114_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset
1403 *
1404 * Assert the reset line of the DFLL's DVCO. No return value.
1405 */
1406void tegra114_clock_assert_dfll_dvco_reset(void)
1407{
1408 u32 v;
1409
1410 v = readl_relaxed(clk_base + RST_DFLL_DVCO);
1411 v |= (1 << DVFS_DFLL_RESET_SHIFT);
1412 writel_relaxed(v, clk_base + RST_DFLL_DVCO);
1413 tegra114_car_barrier();
1414}
1415EXPORT_SYMBOL(tegra114_clock_assert_dfll_dvco_reset);
1416
1417/**
1418 * tegra114_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset
1419 *
1420 * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to
1421 * operate. No return value.
1422 */
1423void tegra114_clock_deassert_dfll_dvco_reset(void)
1424{
1425 u32 v;
1426
1427 v = readl_relaxed(clk_base + RST_DFLL_DVCO);
1428 v &= ~(1 << DVFS_DFLL_RESET_SHIFT);
1429 writel_relaxed(v, clk_base + RST_DFLL_DVCO);
1430 tegra114_car_barrier();
1431}
1432EXPORT_SYMBOL(tegra114_clock_deassert_dfll_dvco_reset);
1433
Prashant Gaikwad061cec92013-05-27 13:10:09 +05301434static void __init tegra114_clock_init(struct device_node *np)
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001435{
1436 struct device_node *node;
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001437
1438 clk_base = of_iomap(np, 0);
1439 if (!clk_base) {
1440 pr_err("ioremap tegra114 CAR failed\n");
1441 return;
1442 }
1443
1444 node = of_find_matching_node(NULL, pmc_match);
1445 if (!node) {
1446 pr_err("Failed to find pmc node\n");
1447 WARN_ON(1);
1448 return;
1449 }
1450
1451 pmc_base = of_iomap(node, 0);
1452 if (!pmc_base) {
1453 pr_err("Can't map pmc registers\n");
1454 WARN_ON(1);
1455 return;
1456 }
1457
Stephen Warren6d5b9882013-11-05 17:33:17 -07001458 clks = tegra_clk_init(clk_base, TEGRA114_CLK_CLK_MAX,
1459 TEGRA114_CLK_PERIPH_BANKS);
Peter De Schrijver343a6072013-09-02 15:22:02 +03001460 if (!clks)
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001461 return;
1462
Peter De Schrijver343a6072013-09-02 15:22:02 +03001463 if (tegra114_osc_clk_init(clk_base) < 0)
Peter De Schrijverd5ff89a2013-08-22 18:44:06 +03001464 return;
1465
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001466 tegra114_fixed_clk_init(clk_base);
1467 tegra114_pll_init(clk_base, pmc_base);
Peter De Schrijver76ebc132013-09-04 17:04:19 +03001468 tegra114_periph_clk_init(clk_base, pmc_base);
Peter De Schrijver6609dbe2013-09-17 15:42:24 +03001469 tegra_audio_clk_init(clk_base, pmc_base, tegra114_clks, &pll_a_params);
Peter De Schrijverde4f30f2013-10-15 17:19:13 +03001470 tegra_pmc_clk_init(pmc_base, tegra114_clks);
Peter De Schrijvera7c84852013-09-03 15:46:01 +03001471 tegra_super_clk_gen4_init(clk_base, pmc_base, tegra114_clks,
1472 &pll_x_params);
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001473
Peter De Schrijver343a6072013-09-02 15:22:02 +03001474 tegra_add_of_provider(np);
Peter De Schrijver73d37e42013-10-09 14:47:57 +03001475 tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
Peter De Schrijver2cb5efe2013-04-03 17:40:45 +03001476
1477 tegra_clk_apply_init_table = tegra114_clock_apply_init_table;
1478
1479 tegra_cpu_car_ops = &tegra114_cpu_car_ops;
1480}
Prashant Gaikwad061cec92013-05-27 13:10:09 +05301481CLK_OF_DECLARE(tegra114, "nvidia,tegra114-car", tegra114_clock_init);