blob: d98bf688b3b00191cc557dd4b7572677b9d11997 [file] [log] [blame]
Peter De Schrijver76da3142013-09-09 13:23:56 +03001/*
Paul Walmsley08acae32014-12-16 12:38:29 -08002 * Copyright (c) 2012-2014 NVIDIA CORPORATION. All rights reserved.
Peter De Schrijver76da3142013-09-09 13:23:56 +03003 *
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>
Peter De Schrijver76da3142013-09-09 13:23:56 +030018#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>
Paul Walmsleya3c83ff2015-05-19 14:43:30 +030026#include <dt-bindings/reset/tegra124-car.h>
Peter De Schrijver76da3142013-09-09 13:23:56 +030027
28#include "clk.h"
29#include "clk-id.h"
30
Paul Walmsley08acae32014-12-16 12:38:29 -080031/*
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
Joseph Lo61792e42013-09-26 17:46:23 +080039#define CLK_SOURCE_CSITE 0x1d4
Peter De Schrijver76da3142013-09-09 13:23:56 +030040#define CLK_SOURCE_EMC 0x19c
Peter De Schrijver76da3142013-09-09 13:23:56 +030041
Paul Walmsleya3c83ff2015-05-19 14:43:30 +030042#define RST_DFLL_DVCO 0x2f4
43#define DVFS_DFLL_RESET_SHIFT 0
44
Peter De Schrijver76da3142013-09-09 13:23:56 +030045#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
Tuomas Tynkkynenc38864a2015-05-13 17:58:42 +0300100#define CCLKG_BURST_POLICY 0x368
101
Peter De Schrijver76da3142013-09-09 13:23:56 +0300102#define UTMIP_PLL_CFG2 0x488
103#define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xffff) << 6)
104#define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
105#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
106#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
107#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
108
109#define UTMIP_PLL_CFG1 0x484
110#define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 6)
111#define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
112#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17)
113#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16)
114#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15)
115#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14)
116#define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12)
117
118#define UTMIPLL_HW_PWRDN_CFG0 0x52c
119#define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE BIT(25)
120#define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
121#define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
122#define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE BIT(5)
123#define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL BIT(4)
124#define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
125#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE BIT(1)
126#define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0)
127
Joseph Lo9e036d32013-09-25 17:27:51 +0800128/* Tegra CPU clock and reset control regs */
129#define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470
130
Joseph Lo61792e42013-09-26 17:46:23 +0800131#ifdef CONFIG_PM_SLEEP
132static struct cpu_clk_suspend_context {
133 u32 clk_csite_src;
Tuomas Tynkkynenc38864a2015-05-13 17:58:42 +0300134 u32 cclkg_burst;
135 u32 cclkg_divider;
Joseph Lo61792e42013-09-26 17:46:23 +0800136} tegra124_cpu_clk_sctx;
137#endif
138
Peter De Schrijver76da3142013-09-09 13:23:56 +0300139static void __iomem *clk_base;
140static void __iomem *pmc_base;
141
142static unsigned long osc_freq;
143static unsigned long pll_ref_freq;
144
145static DEFINE_SPINLOCK(pll_d_lock);
Peter De Schrijver76da3142013-09-09 13:23:56 +0300146static DEFINE_SPINLOCK(pll_e_lock);
147static DEFINE_SPINLOCK(pll_re_lock);
148static DEFINE_SPINLOCK(pll_u_lock);
Thierry Reding4f4f85f2014-07-29 10:17:53 +0200149static DEFINE_SPINLOCK(emc_lock);
Peter De Schrijver76da3142013-09-09 13:23:56 +0300150
151/* possible OSC frequencies in Hz */
152static unsigned long tegra124_input_freq[] = {
Thierry Reding8d997042015-11-18 14:10:02 +0100153 [ 0] = 13000000,
154 [ 1] = 16800000,
155 [ 4] = 19200000,
156 [ 5] = 38400000,
157 [ 8] = 12000000,
158 [ 9] = 48000000,
Thierry Redingc4947e32015-11-18 13:23:46 +0100159 [12] = 26000000,
Peter De Schrijver76da3142013-09-09 13:23:56 +0300160};
161
Peter De Schrijver76da3142013-09-09 13:23:56 +0300162static struct div_nmp pllxc_nmp = {
163 .divm_shift = 0,
164 .divm_width = 8,
165 .divn_shift = 8,
166 .divn_width = 8,
167 .divp_shift = 20,
168 .divp_width = 4,
169};
170
171static struct pdiv_map pllxc_p[] = {
Thierry Reding8d997042015-11-18 14:10:02 +0100172 { .pdiv = 1, .hw_val = 0 },
173 { .pdiv = 2, .hw_val = 1 },
174 { .pdiv = 3, .hw_val = 2 },
175 { .pdiv = 4, .hw_val = 3 },
176 { .pdiv = 5, .hw_val = 4 },
177 { .pdiv = 6, .hw_val = 5 },
178 { .pdiv = 8, .hw_val = 6 },
179 { .pdiv = 10, .hw_val = 7 },
180 { .pdiv = 12, .hw_val = 8 },
181 { .pdiv = 16, .hw_val = 9 },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300182 { .pdiv = 12, .hw_val = 10 },
183 { .pdiv = 16, .hw_val = 11 },
184 { .pdiv = 20, .hw_val = 12 },
185 { .pdiv = 24, .hw_val = 13 },
186 { .pdiv = 32, .hw_val = 14 },
Thierry Reding8d997042015-11-18 14:10:02 +0100187 { .pdiv = 0, .hw_val = 0 },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300188};
189
190static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
191 /* 1 GHz */
Thierry Reding8d997042015-11-18 14:10:02 +0100192 { 12000000, 1000000000, 83, 0, 1, 0 }, /* actual: 996.0 MHz */
193 { 13000000, 1000000000, 76, 0, 1, 0 }, /* actual: 988.0 MHz */
194 { 16800000, 1000000000, 59, 0, 1, 0 }, /* actual: 991.2 MHz */
195 { 19200000, 1000000000, 52, 0, 1, 0 }, /* actual: 998.4 MHz */
196 { 26000000, 1000000000, 76, 1, 1, 0 }, /* actual: 988.0 MHz */
197 { 0, 0, 0, 0, 0, 0 },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300198};
199
200static struct tegra_clk_pll_params pll_x_params = {
201 .input_min = 12000000,
202 .input_max = 800000000,
203 .cf_min = 12000000,
204 .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
205 .vco_min = 700000000,
206 .vco_max = 3000000000UL,
207 .base_reg = PLLX_BASE,
208 .misc_reg = PLLX_MISC,
209 .lock_mask = PLL_BASE_LOCK,
210 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
211 .lock_delay = 300,
212 .iddq_reg = PLLX_MISC3,
213 .iddq_bit_idx = 3,
214 .max_p = 6,
215 .dyn_ramp_reg = PLLX_MISC2,
216 .stepa_shift = 16,
217 .stepb_shift = 24,
218 .pdiv_tohw = pllxc_p,
219 .div_nmp = &pllxc_nmp,
220 .freq_table = pll_x_freq_table,
221 .flags = TEGRA_PLL_USE_LOCK,
222};
223
224static struct tegra_clk_pll_freq_table pll_c_freq_table[] = {
Thierry Reding8d997042015-11-18 14:10:02 +0100225 { 12000000, 624000000, 104, 1, 2, 0 },
226 { 12000000, 600000000, 100, 1, 2, 0 },
227 { 13000000, 600000000, 92, 1, 2, 0 }, /* actual: 598.0 MHz */
228 { 16800000, 600000000, 71, 1, 2, 0 }, /* actual: 596.4 MHz */
229 { 19200000, 600000000, 62, 1, 2, 0 }, /* actual: 595.2 MHz */
230 { 26000000, 600000000, 92, 2, 2, 0 }, /* actual: 598.0 MHz */
231 { 0, 0, 0, 0, 0, 0 },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300232};
233
234static struct tegra_clk_pll_params pll_c_params = {
235 .input_min = 12000000,
236 .input_max = 800000000,
237 .cf_min = 12000000,
Thierry Redinge52d7c02015-11-18 14:04:20 +0100238 .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
Peter De Schrijver76da3142013-09-09 13:23:56 +0300239 .vco_min = 600000000,
240 .vco_max = 1400000000,
241 .base_reg = PLLC_BASE,
242 .misc_reg = PLLC_MISC,
243 .lock_mask = PLL_BASE_LOCK,
244 .lock_enable_bit_idx = PLLC_MISC_LOCK_ENABLE,
245 .lock_delay = 300,
246 .iddq_reg = PLLC_MISC,
247 .iddq_bit_idx = PLLC_IDDQ_BIT,
248 .max_p = PLLXC_SW_MAX_P,
249 .dyn_ramp_reg = PLLC_MISC2,
250 .stepa_shift = 17,
251 .stepb_shift = 9,
252 .pdiv_tohw = pllxc_p,
253 .div_nmp = &pllxc_nmp,
254 .freq_table = pll_c_freq_table,
255 .flags = TEGRA_PLL_USE_LOCK,
256};
257
258static struct div_nmp pllcx_nmp = {
259 .divm_shift = 0,
260 .divm_width = 2,
261 .divn_shift = 8,
262 .divn_width = 8,
263 .divp_shift = 20,
264 .divp_width = 3,
265};
266
267static struct pdiv_map pllc_p[] = {
Thierry Reding8d997042015-11-18 14:10:02 +0100268 { .pdiv = 1, .hw_val = 0 },
269 { .pdiv = 2, .hw_val = 1 },
270 { .pdiv = 3, .hw_val = 2 },
271 { .pdiv = 4, .hw_val = 3 },
272 { .pdiv = 6, .hw_val = 4 },
273 { .pdiv = 8, .hw_val = 5 },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300274 { .pdiv = 12, .hw_val = 6 },
275 { .pdiv = 16, .hw_val = 7 },
Thierry Reding8d997042015-11-18 14:10:02 +0100276 { .pdiv = 0, .hw_val = 0 },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300277};
278
279static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = {
Thierry Reding8d997042015-11-18 14:10:02 +0100280 { 12000000, 600000000, 100, 1, 2, 0 },
281 { 13000000, 600000000, 92, 1, 2, 0 }, /* actual: 598.0 MHz */
282 { 16800000, 600000000, 71, 1, 2, 0 }, /* actual: 596.4 MHz */
283 { 19200000, 600000000, 62, 1, 2, 0 }, /* actual: 595.2 MHz */
284 { 26000000, 600000000, 92, 2, 2, 0 }, /* actual: 598.0 MHz */
285 { 0, 0, 0, 0, 0, 0 },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300286};
287
288static struct tegra_clk_pll_params pll_c2_params = {
289 .input_min = 12000000,
290 .input_max = 48000000,
291 .cf_min = 12000000,
292 .cf_max = 19200000,
293 .vco_min = 600000000,
294 .vco_max = 1200000000,
295 .base_reg = PLLC2_BASE,
296 .misc_reg = PLLC2_MISC,
297 .lock_mask = PLL_BASE_LOCK,
298 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
299 .lock_delay = 300,
300 .pdiv_tohw = pllc_p,
301 .div_nmp = &pllcx_nmp,
302 .max_p = 7,
303 .ext_misc_reg[0] = 0x4f0,
304 .ext_misc_reg[1] = 0x4f4,
305 .ext_misc_reg[2] = 0x4f8,
306 .freq_table = pll_cx_freq_table,
307 .flags = TEGRA_PLL_USE_LOCK,
308};
309
310static struct tegra_clk_pll_params pll_c3_params = {
311 .input_min = 12000000,
312 .input_max = 48000000,
313 .cf_min = 12000000,
314 .cf_max = 19200000,
315 .vco_min = 600000000,
316 .vco_max = 1200000000,
317 .base_reg = PLLC3_BASE,
318 .misc_reg = PLLC3_MISC,
319 .lock_mask = PLL_BASE_LOCK,
320 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
321 .lock_delay = 300,
322 .pdiv_tohw = pllc_p,
323 .div_nmp = &pllcx_nmp,
324 .max_p = 7,
325 .ext_misc_reg[0] = 0x504,
326 .ext_misc_reg[1] = 0x508,
327 .ext_misc_reg[2] = 0x50c,
328 .freq_table = pll_cx_freq_table,
329 .flags = TEGRA_PLL_USE_LOCK,
330};
331
332static struct div_nmp pllss_nmp = {
333 .divm_shift = 0,
334 .divm_width = 8,
335 .divn_shift = 8,
336 .divn_width = 8,
337 .divp_shift = 20,
338 .divp_width = 4,
339};
340
341static struct pdiv_map pll12g_ssd_esd_p[] = {
Thierry Reding8d997042015-11-18 14:10:02 +0100342 { .pdiv = 1, .hw_val = 0 },
343 { .pdiv = 2, .hw_val = 1 },
344 { .pdiv = 3, .hw_val = 2 },
345 { .pdiv = 4, .hw_val = 3 },
346 { .pdiv = 5, .hw_val = 4 },
347 { .pdiv = 6, .hw_val = 5 },
348 { .pdiv = 8, .hw_val = 6 },
349 { .pdiv = 10, .hw_val = 7 },
350 { .pdiv = 12, .hw_val = 8 },
351 { .pdiv = 16, .hw_val = 9 },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300352 { .pdiv = 12, .hw_val = 10 },
353 { .pdiv = 16, .hw_val = 11 },
354 { .pdiv = 20, .hw_val = 12 },
355 { .pdiv = 24, .hw_val = 13 },
356 { .pdiv = 32, .hw_val = 14 },
Thierry Reding8d997042015-11-18 14:10:02 +0100357 { .pdiv = 0, .hw_val = 0 },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300358};
359
360static struct tegra_clk_pll_freq_table pll_c4_freq_table[] = {
Thierry Reding8d997042015-11-18 14:10:02 +0100361 { 12000000, 600000000, 100, 1, 1, 0 },
362 { 13000000, 600000000, 92, 1, 1, 0 }, /* actual: 598.0 MHz */
363 { 16800000, 600000000, 71, 1, 1, 0 }, /* actual: 596.4 MHz */
364 { 19200000, 600000000, 62, 1, 1, 0 }, /* actual: 595.2 MHz */
365 { 26000000, 600000000, 92, 2, 1, 0 }, /* actual: 598.0 MHz */
366 { 0, 0, 0, 0, 0, 0 },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300367};
368
369static struct tegra_clk_pll_params pll_c4_params = {
370 .input_min = 12000000,
371 .input_max = 1000000000,
372 .cf_min = 12000000,
373 .cf_max = 19200000, /* s/w policy, h/w capability 38 MHz */
374 .vco_min = 600000000,
375 .vco_max = 1200000000,
376 .base_reg = PLLC4_BASE,
377 .misc_reg = PLLC4_MISC,
378 .lock_mask = PLL_BASE_LOCK,
379 .lock_enable_bit_idx = PLLSS_MISC_LOCK_ENABLE,
380 .lock_delay = 300,
381 .iddq_reg = PLLC4_BASE,
382 .iddq_bit_idx = PLLSS_IDDQ_BIT,
383 .pdiv_tohw = pll12g_ssd_esd_p,
384 .div_nmp = &pllss_nmp,
385 .ext_misc_reg[0] = 0x5ac,
386 .ext_misc_reg[1] = 0x5b0,
387 .ext_misc_reg[2] = 0x5b4,
388 .freq_table = pll_c4_freq_table,
389};
390
391static struct pdiv_map pllm_p[] = {
392 { .pdiv = 1, .hw_val = 0 },
393 { .pdiv = 2, .hw_val = 1 },
394 { .pdiv = 0, .hw_val = 0 },
395};
396
397static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
Thierry Reding8d997042015-11-18 14:10:02 +0100398 { 12000000, 800000000, 66, 1, 1, 0 }, /* actual: 792.0 MHz */
399 { 13000000, 800000000, 61, 1, 1, 0 }, /* actual: 793.0 MHz */
400 { 16800000, 800000000, 47, 1, 1, 0 }, /* actual: 789.6 MHz */
401 { 19200000, 800000000, 41, 1, 1, 0 }, /* actual: 787.2 MHz */
402 { 26000000, 800000000, 61, 2, 1, 0 }, /* actual: 793.0 MHz */
403 { 0, 0, 0, 0, 0, 0},
Peter De Schrijver76da3142013-09-09 13:23:56 +0300404};
405
406static struct div_nmp pllm_nmp = {
407 .divm_shift = 0,
408 .divm_width = 8,
409 .override_divm_shift = 0,
410 .divn_shift = 8,
411 .divn_width = 8,
412 .override_divn_shift = 8,
413 .divp_shift = 20,
414 .divp_width = 1,
415 .override_divp_shift = 27,
416};
417
418static struct tegra_clk_pll_params pll_m_params = {
419 .input_min = 12000000,
420 .input_max = 500000000,
421 .cf_min = 12000000,
422 .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
423 .vco_min = 400000000,
424 .vco_max = 1066000000,
425 .base_reg = PLLM_BASE,
426 .misc_reg = PLLM_MISC,
427 .lock_mask = PLL_BASE_LOCK,
428 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
429 .lock_delay = 300,
430 .max_p = 2,
431 .pdiv_tohw = pllm_p,
432 .div_nmp = &pllm_nmp,
433 .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
434 .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2,
435 .freq_table = pll_m_freq_table,
436 .flags = TEGRA_PLL_USE_LOCK,
437};
438
439static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
440 /* PLLE special case: use cpcon field to store cml divider value */
Thierry Reding8d997042015-11-18 14:10:02 +0100441 { 336000000, 100000000, 100, 21, 16, 11 },
442 { 312000000, 100000000, 200, 26, 24, 13 },
443 { 13000000, 100000000, 200, 1, 26, 13 },
444 { 12000000, 100000000, 200, 1, 24, 13 },
445 { 0, 0, 0, 0, 0, 0 },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300446};
447
448static struct div_nmp plle_nmp = {
449 .divm_shift = 0,
450 .divm_width = 8,
451 .divn_shift = 8,
452 .divn_width = 8,
453 .divp_shift = 24,
454 .divp_width = 4,
455};
456
457static struct tegra_clk_pll_params pll_e_params = {
458 .input_min = 12000000,
459 .input_max = 1000000000,
460 .cf_min = 12000000,
461 .cf_max = 75000000,
462 .vco_min = 1600000000,
463 .vco_max = 2400000000U,
464 .base_reg = PLLE_BASE,
465 .misc_reg = PLLE_MISC,
466 .aux_reg = PLLE_AUX,
467 .lock_mask = PLLE_MISC_LOCK,
468 .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
469 .lock_delay = 300,
470 .div_nmp = &plle_nmp,
471 .freq_table = pll_e_freq_table,
472 .flags = TEGRA_PLL_FIXED,
473 .fixed_rate = 100000000,
474};
475
476static const struct clk_div_table pll_re_div_table[] = {
477 { .val = 0, .div = 1 },
478 { .val = 1, .div = 2 },
479 { .val = 2, .div = 3 },
480 { .val = 3, .div = 4 },
481 { .val = 4, .div = 5 },
482 { .val = 5, .div = 6 },
483 { .val = 0, .div = 0 },
484};
485
486static struct div_nmp pllre_nmp = {
487 .divm_shift = 0,
488 .divm_width = 8,
489 .divn_shift = 8,
490 .divn_width = 8,
491 .divp_shift = 16,
492 .divp_width = 4,
493};
494
495static struct tegra_clk_pll_params pll_re_vco_params = {
496 .input_min = 12000000,
497 .input_max = 1000000000,
498 .cf_min = 12000000,
499 .cf_max = 19200000, /* s/w policy, h/w capability 38 MHz */
500 .vco_min = 300000000,
501 .vco_max = 600000000,
502 .base_reg = PLLRE_BASE,
503 .misc_reg = PLLRE_MISC,
504 .lock_mask = PLLRE_MISC_LOCK,
505 .lock_enable_bit_idx = PLLRE_MISC_LOCK_ENABLE,
506 .lock_delay = 300,
507 .iddq_reg = PLLRE_MISC,
508 .iddq_bit_idx = PLLRE_IDDQ_BIT,
509 .div_nmp = &pllre_nmp,
510 .flags = TEGRA_PLL_USE_LOCK,
511};
512
513static struct div_nmp pllp_nmp = {
514 .divm_shift = 0,
515 .divm_width = 5,
516 .divn_shift = 8,
517 .divn_width = 10,
518 .divp_shift = 20,
519 .divp_width = 3,
520};
521
522static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
Thierry Reding8d997042015-11-18 14:10:02 +0100523 { 12000000, 408000000, 408, 12, 0, 8 },
524 { 13000000, 408000000, 408, 13, 0, 8 },
525 { 16800000, 408000000, 340, 14, 0, 8 },
526 { 19200000, 408000000, 340, 16, 0, 8 },
527 { 26000000, 408000000, 408, 26, 0, 8 },
528 { 0, 0, 0, 0, 0, 0 },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300529};
530
531static struct tegra_clk_pll_params pll_p_params = {
532 .input_min = 2000000,
533 .input_max = 31000000,
534 .cf_min = 1000000,
535 .cf_max = 6000000,
536 .vco_min = 200000000,
537 .vco_max = 700000000,
538 .base_reg = PLLP_BASE,
539 .misc_reg = PLLP_MISC,
540 .lock_mask = PLL_BASE_LOCK,
541 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
542 .lock_delay = 300,
543 .div_nmp = &pllp_nmp,
544 .freq_table = pll_p_freq_table,
545 .fixed_rate = 408000000,
546 .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK,
547};
548
549static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
Thierry Reding8d997042015-11-18 14:10:02 +0100550 { 9600000, 282240000, 147, 5, 0, 4 },
551 { 9600000, 368640000, 192, 5, 0, 4 },
552 { 9600000, 240000000, 200, 8, 0, 8 },
553 { 28800000, 282240000, 245, 25, 0, 8 },
554 { 28800000, 368640000, 320, 25, 0, 8 },
555 { 28800000, 240000000, 200, 24, 0, 8 },
556 { 0, 0, 0, 0, 0, 0 },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300557};
558
559static struct tegra_clk_pll_params pll_a_params = {
560 .input_min = 2000000,
561 .input_max = 31000000,
562 .cf_min = 1000000,
563 .cf_max = 6000000,
564 .vco_min = 200000000,
565 .vco_max = 700000000,
566 .base_reg = PLLA_BASE,
567 .misc_reg = PLLA_MISC,
568 .lock_mask = PLL_BASE_LOCK,
569 .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
570 .lock_delay = 300,
571 .div_nmp = &pllp_nmp,
572 .freq_table = pll_a_freq_table,
573 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK,
574};
575
Rhyland Klein67fc26bf2013-12-26 16:44:22 -0800576static struct div_nmp plld_nmp = {
577 .divm_shift = 0,
578 .divm_width = 5,
579 .divn_shift = 8,
580 .divn_width = 11,
581 .divp_shift = 20,
582 .divp_width = 3,
583};
584
Peter De Schrijver76da3142013-09-09 13:23:56 +0300585static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
Thierry Reding8d997042015-11-18 14:10:02 +0100586 { 12000000, 216000000, 864, 12, 4, 12 },
587 { 13000000, 216000000, 864, 13, 4, 12 },
588 { 16800000, 216000000, 720, 14, 4, 12 },
589 { 19200000, 216000000, 720, 16, 4, 12 },
590 { 26000000, 216000000, 864, 26, 4, 12 },
591 { 12000000, 594000000, 594, 12, 1, 12 },
592 { 13000000, 594000000, 594, 13, 1, 12 },
593 { 16800000, 594000000, 495, 14, 1, 12 },
594 { 19200000, 594000000, 495, 16, 1, 12 },
595 { 26000000, 594000000, 594, 26, 1, 12 },
596 { 12000000, 1000000000, 1000, 12, 1, 12 },
597 { 13000000, 1000000000, 1000, 13, 1, 12 },
598 { 19200000, 1000000000, 625, 12, 1, 12 },
599 { 26000000, 1000000000, 1000, 26, 1, 12 },
600 { 0, 0, 0, 0, 0, 0 },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300601};
602
603static struct tegra_clk_pll_params pll_d_params = {
604 .input_min = 2000000,
605 .input_max = 40000000,
606 .cf_min = 1000000,
607 .cf_max = 6000000,
608 .vco_min = 500000000,
609 .vco_max = 1000000000,
610 .base_reg = PLLD_BASE,
611 .misc_reg = PLLD_MISC,
612 .lock_mask = PLL_BASE_LOCK,
613 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
614 .lock_delay = 1000,
Rhyland Klein67fc26bf2013-12-26 16:44:22 -0800615 .div_nmp = &plld_nmp,
Peter De Schrijver76da3142013-09-09 13:23:56 +0300616 .freq_table = pll_d_freq_table,
617 .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
618 TEGRA_PLL_USE_LOCK,
619};
620
621static struct tegra_clk_pll_freq_table tegra124_pll_d2_freq_table[] = {
Thierry Reding8d997042015-11-18 14:10:02 +0100622 { 12000000, 594000000, 99, 1, 2, 0 },
623 { 13000000, 594000000, 91, 1, 2, 0 }, /* actual: 591.5 MHz */
624 { 16800000, 594000000, 71, 1, 2, 0 }, /* actual: 596.4 MHz */
625 { 19200000, 594000000, 62, 1, 2, 0 }, /* actual: 595.2 MHz */
626 { 26000000, 594000000, 91, 2, 2, 0 }, /* actual: 591.5 MHz */
627 { 0, 0, 0, 0, 0, 0 },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300628};
629
630static struct tegra_clk_pll_params tegra124_pll_d2_params = {
631 .input_min = 12000000,
632 .input_max = 1000000000,
633 .cf_min = 12000000,
634 .cf_max = 19200000, /* s/w policy, h/w capability 38 MHz */
635 .vco_min = 600000000,
636 .vco_max = 1200000000,
637 .base_reg = PLLD2_BASE,
638 .misc_reg = PLLD2_MISC,
639 .lock_mask = PLL_BASE_LOCK,
640 .lock_enable_bit_idx = PLLSS_MISC_LOCK_ENABLE,
641 .lock_delay = 300,
642 .iddq_reg = PLLD2_BASE,
643 .iddq_bit_idx = PLLSS_IDDQ_BIT,
644 .pdiv_tohw = pll12g_ssd_esd_p,
645 .div_nmp = &pllss_nmp,
646 .ext_misc_reg[0] = 0x570,
647 .ext_misc_reg[1] = 0x574,
648 .ext_misc_reg[2] = 0x578,
649 .max_p = 15,
650 .freq_table = tegra124_pll_d2_freq_table,
651};
652
653static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = {
Thierry Reding8d997042015-11-18 14:10:02 +0100654 { 12000000, 600000000, 100, 1, 1, 0 },
655 { 13000000, 600000000, 92, 1, 1, 0 }, /* actual: 598.0 MHz */
656 { 16800000, 600000000, 71, 1, 1, 0 }, /* actual: 596.4 MHz */
657 { 19200000, 600000000, 62, 1, 1, 0 }, /* actual: 595.2 MHz */
658 { 26000000, 600000000, 92, 2, 1, 0 }, /* actual: 598.0 MHz */
659 { 0, 0, 0, 0, 0, 0 },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300660};
661
662static struct tegra_clk_pll_params pll_dp_params = {
663 .input_min = 12000000,
664 .input_max = 1000000000,
665 .cf_min = 12000000,
666 .cf_max = 19200000, /* s/w policy, h/w capability 38 MHz */
667 .vco_min = 600000000,
668 .vco_max = 1200000000,
669 .base_reg = PLLDP_BASE,
670 .misc_reg = PLLDP_MISC,
671 .lock_mask = PLL_BASE_LOCK,
672 .lock_enable_bit_idx = PLLSS_MISC_LOCK_ENABLE,
673 .lock_delay = 300,
674 .iddq_reg = PLLDP_BASE,
675 .iddq_bit_idx = PLLSS_IDDQ_BIT,
676 .pdiv_tohw = pll12g_ssd_esd_p,
677 .div_nmp = &pllss_nmp,
678 .ext_misc_reg[0] = 0x598,
679 .ext_misc_reg[1] = 0x59c,
680 .ext_misc_reg[2] = 0x5a0,
681 .max_p = 5,
682 .freq_table = pll_dp_freq_table,
683};
684
685static struct pdiv_map pllu_p[] = {
686 { .pdiv = 1, .hw_val = 1 },
687 { .pdiv = 2, .hw_val = 0 },
688 { .pdiv = 0, .hw_val = 0 },
689};
690
691static struct div_nmp pllu_nmp = {
692 .divm_shift = 0,
693 .divm_width = 5,
694 .divn_shift = 8,
695 .divn_width = 10,
696 .divp_shift = 20,
697 .divp_width = 1,
698};
699
700static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
Thierry Reding8d997042015-11-18 14:10:02 +0100701 { 12000000, 480000000, 960, 12, 2, 12 },
702 { 13000000, 480000000, 960, 13, 2, 12 },
703 { 16800000, 480000000, 400, 7, 2, 5 },
704 { 19200000, 480000000, 200, 4, 2, 3 },
705 { 26000000, 480000000, 960, 26, 2, 12 },
706 { 0, 0, 0, 0, 0, 0 },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300707};
708
709static struct tegra_clk_pll_params pll_u_params = {
710 .input_min = 2000000,
711 .input_max = 40000000,
712 .cf_min = 1000000,
713 .cf_max = 6000000,
714 .vco_min = 480000000,
715 .vco_max = 960000000,
716 .base_reg = PLLU_BASE,
717 .misc_reg = PLLU_MISC,
718 .lock_mask = PLL_BASE_LOCK,
719 .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
720 .lock_delay = 1000,
721 .pdiv_tohw = pllu_p,
722 .div_nmp = &pllu_nmp,
723 .freq_table = pll_u_freq_table,
724 .flags = TEGRA_PLLU | TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
725 TEGRA_PLL_USE_LOCK,
726};
727
728struct utmi_clk_param {
729 /* Oscillator Frequency in KHz */
730 u32 osc_frequency;
731 /* UTMIP PLL Enable Delay Count */
732 u8 enable_delay_count;
733 /* UTMIP PLL Stable count */
734 u8 stable_count;
735 /* UTMIP PLL Active delay count */
736 u8 active_delay_count;
737 /* UTMIP PLL Xtal frequency count */
738 u8 xtal_freq_count;
739};
740
741static const struct utmi_clk_param utmi_parameters[] = {
Thierry Reding8d997042015-11-18 14:10:02 +0100742 {
743 .osc_frequency = 13000000, .enable_delay_count = 0x02,
744 .stable_count = 0x33, .active_delay_count = 0x05,
745 .xtal_freq_count = 0x7f
746 }, {
747 .osc_frequency = 19200000, .enable_delay_count = 0x03,
748 .stable_count = 0x4b, .active_delay_count = 0x06,
749 .xtal_freq_count = 0xbb
750 }, {
751 .osc_frequency = 12000000, .enable_delay_count = 0x02,
752 .stable_count = 0x2f, .active_delay_count = 0x04,
753 .xtal_freq_count = 0x76
754 }, {
755 .osc_frequency = 26000000, .enable_delay_count = 0x04,
756 .stable_count = 0x66, .active_delay_count = 0x09,
757 .xtal_freq_count = 0xfe
758 }, {
759 .osc_frequency = 16800000, .enable_delay_count = 0x03,
760 .stable_count = 0x41, .active_delay_count = 0x0a,
761 .xtal_freq_count = 0xa4
762 },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300763};
764
765static struct tegra_clk tegra124_clks[tegra_clk_max] __initdata = {
766 [tegra_clk_ispb] = { .dt_id = TEGRA124_CLK_ISPB, .present = true },
767 [tegra_clk_rtc] = { .dt_id = TEGRA124_CLK_RTC, .present = true },
768 [tegra_clk_timer] = { .dt_id = TEGRA124_CLK_TIMER, .present = true },
769 [tegra_clk_uarta] = { .dt_id = TEGRA124_CLK_UARTA, .present = true },
Andrew Bresticker20e7c322013-12-26 16:44:25 -0800770 [tegra_clk_sdmmc2_8] = { .dt_id = TEGRA124_CLK_SDMMC2, .present = true },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300771 [tegra_clk_i2s1] = { .dt_id = TEGRA124_CLK_I2S1, .present = true },
772 [tegra_clk_i2c1] = { .dt_id = TEGRA124_CLK_I2C1, .present = true },
Andrew Bresticker20e7c322013-12-26 16:44:25 -0800773 [tegra_clk_sdmmc1_8] = { .dt_id = TEGRA124_CLK_SDMMC1, .present = true },
774 [tegra_clk_sdmmc4_8] = { .dt_id = TEGRA124_CLK_SDMMC4, .present = true },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300775 [tegra_clk_pwm] = { .dt_id = TEGRA124_CLK_PWM, .present = true },
776 [tegra_clk_i2s2] = { .dt_id = TEGRA124_CLK_I2S2, .present = true },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300777 [tegra_clk_usbd] = { .dt_id = TEGRA124_CLK_USBD, .present = true },
778 [tegra_clk_isp_8] = { .dt_id = TEGRA124_CLK_ISP, .present = true },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300779 [tegra_clk_disp2] = { .dt_id = TEGRA124_CLK_DISP2, .present = true },
780 [tegra_clk_disp1] = { .dt_id = TEGRA124_CLK_DISP1, .present = true },
Mark Zhang82ba1c32013-12-26 16:44:24 -0800781 [tegra_clk_host1x_8] = { .dt_id = TEGRA124_CLK_HOST1X, .present = true },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300782 [tegra_clk_vcp] = { .dt_id = TEGRA124_CLK_VCP, .present = true },
783 [tegra_clk_i2s0] = { .dt_id = TEGRA124_CLK_I2S0, .present = true },
784 [tegra_clk_apbdma] = { .dt_id = TEGRA124_CLK_APBDMA, .present = true },
785 [tegra_clk_kbc] = { .dt_id = TEGRA124_CLK_KBC, .present = true },
786 [tegra_clk_kfuse] = { .dt_id = TEGRA124_CLK_KFUSE, .present = true },
787 [tegra_clk_sbc1] = { .dt_id = TEGRA124_CLK_SBC1, .present = true },
788 [tegra_clk_nor] = { .dt_id = TEGRA124_CLK_NOR, .present = true },
789 [tegra_clk_sbc2] = { .dt_id = TEGRA124_CLK_SBC2, .present = true },
790 [tegra_clk_sbc3] = { .dt_id = TEGRA124_CLK_SBC3, .present = true },
791 [tegra_clk_i2c5] = { .dt_id = TEGRA124_CLK_I2C5, .present = true },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300792 [tegra_clk_mipi] = { .dt_id = TEGRA124_CLK_MIPI, .present = true },
793 [tegra_clk_hdmi] = { .dt_id = TEGRA124_CLK_HDMI, .present = true },
794 [tegra_clk_csi] = { .dt_id = TEGRA124_CLK_CSI, .present = true },
795 [tegra_clk_i2c2] = { .dt_id = TEGRA124_CLK_I2C2, .present = true },
796 [tegra_clk_uartc] = { .dt_id = TEGRA124_CLK_UARTC, .present = true },
797 [tegra_clk_mipi_cal] = { .dt_id = TEGRA124_CLK_MIPI_CAL, .present = true },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300798 [tegra_clk_usb2] = { .dt_id = TEGRA124_CLK_USB2, .present = true },
799 [tegra_clk_usb3] = { .dt_id = TEGRA124_CLK_USB3, .present = true },
800 [tegra_clk_vde_8] = { .dt_id = TEGRA124_CLK_VDE, .present = true },
801 [tegra_clk_bsea] = { .dt_id = TEGRA124_CLK_BSEA, .present = true },
802 [tegra_clk_bsev] = { .dt_id = TEGRA124_CLK_BSEV, .present = true },
803 [tegra_clk_uartd] = { .dt_id = TEGRA124_CLK_UARTD, .present = true },
804 [tegra_clk_i2c3] = { .dt_id = TEGRA124_CLK_I2C3, .present = true },
805 [tegra_clk_sbc4] = { .dt_id = TEGRA124_CLK_SBC4, .present = true },
Andrew Bresticker20e7c322013-12-26 16:44:25 -0800806 [tegra_clk_sdmmc3_8] = { .dt_id = TEGRA124_CLK_SDMMC3, .present = true },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300807 [tegra_clk_pcie] = { .dt_id = TEGRA124_CLK_PCIE, .present = true },
808 [tegra_clk_owr] = { .dt_id = TEGRA124_CLK_OWR, .present = true },
809 [tegra_clk_afi] = { .dt_id = TEGRA124_CLK_AFI, .present = true },
810 [tegra_clk_csite] = { .dt_id = TEGRA124_CLK_CSITE, .present = true },
811 [tegra_clk_la] = { .dt_id = TEGRA124_CLK_LA, .present = true },
812 [tegra_clk_trace] = { .dt_id = TEGRA124_CLK_TRACE, .present = true },
813 [tegra_clk_soc_therm] = { .dt_id = TEGRA124_CLK_SOC_THERM, .present = true },
814 [tegra_clk_dtv] = { .dt_id = TEGRA124_CLK_DTV, .present = true },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300815 [tegra_clk_i2cslow] = { .dt_id = TEGRA124_CLK_I2CSLOW, .present = true },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300816 [tegra_clk_tsec] = { .dt_id = TEGRA124_CLK_TSEC, .present = true },
817 [tegra_clk_xusb_host] = { .dt_id = TEGRA124_CLK_XUSB_HOST, .present = true },
818 [tegra_clk_msenc] = { .dt_id = TEGRA124_CLK_MSENC, .present = true },
819 [tegra_clk_csus] = { .dt_id = TEGRA124_CLK_CSUS, .present = true },
820 [tegra_clk_mselect] = { .dt_id = TEGRA124_CLK_MSELECT, .present = true },
821 [tegra_clk_tsensor] = { .dt_id = TEGRA124_CLK_TSENSOR, .present = true },
822 [tegra_clk_i2s3] = { .dt_id = TEGRA124_CLK_I2S3, .present = true },
823 [tegra_clk_i2s4] = { .dt_id = TEGRA124_CLK_I2S4, .present = true },
824 [tegra_clk_i2c4] = { .dt_id = TEGRA124_CLK_I2C4, .present = true },
825 [tegra_clk_sbc5] = { .dt_id = TEGRA124_CLK_SBC5, .present = true },
826 [tegra_clk_sbc6] = { .dt_id = TEGRA124_CLK_SBC6, .present = true },
827 [tegra_clk_d_audio] = { .dt_id = TEGRA124_CLK_D_AUDIO, .present = true },
828 [tegra_clk_apbif] = { .dt_id = TEGRA124_CLK_APBIF, .present = true },
829 [tegra_clk_dam0] = { .dt_id = TEGRA124_CLK_DAM0, .present = true },
830 [tegra_clk_dam1] = { .dt_id = TEGRA124_CLK_DAM1, .present = true },
831 [tegra_clk_dam2] = { .dt_id = TEGRA124_CLK_DAM2, .present = true },
832 [tegra_clk_hda2codec_2x] = { .dt_id = TEGRA124_CLK_HDA2CODEC_2X, .present = true },
833 [tegra_clk_audio0_2x] = { .dt_id = TEGRA124_CLK_AUDIO0_2X, .present = true },
834 [tegra_clk_audio1_2x] = { .dt_id = TEGRA124_CLK_AUDIO1_2X, .present = true },
835 [tegra_clk_audio2_2x] = { .dt_id = TEGRA124_CLK_AUDIO2_2X, .present = true },
836 [tegra_clk_audio3_2x] = { .dt_id = TEGRA124_CLK_AUDIO3_2X, .present = true },
837 [tegra_clk_audio4_2x] = { .dt_id = TEGRA124_CLK_AUDIO4_2X, .present = true },
838 [tegra_clk_spdif_2x] = { .dt_id = TEGRA124_CLK_SPDIF_2X, .present = true },
839 [tegra_clk_actmon] = { .dt_id = TEGRA124_CLK_ACTMON, .present = true },
840 [tegra_clk_extern1] = { .dt_id = TEGRA124_CLK_EXTERN1, .present = true },
841 [tegra_clk_extern2] = { .dt_id = TEGRA124_CLK_EXTERN2, .present = true },
842 [tegra_clk_extern3] = { .dt_id = TEGRA124_CLK_EXTERN3, .present = true },
843 [tegra_clk_sata_oob] = { .dt_id = TEGRA124_CLK_SATA_OOB, .present = true },
844 [tegra_clk_sata] = { .dt_id = TEGRA124_CLK_SATA, .present = true },
845 [tegra_clk_hda] = { .dt_id = TEGRA124_CLK_HDA, .present = true },
846 [tegra_clk_se] = { .dt_id = TEGRA124_CLK_SE, .present = true },
847 [tegra_clk_hda2hdmi] = { .dt_id = TEGRA124_CLK_HDA2HDMI, .present = true },
848 [tegra_clk_sata_cold] = { .dt_id = TEGRA124_CLK_SATA_COLD, .present = true },
849 [tegra_clk_cilab] = { .dt_id = TEGRA124_CLK_CILAB, .present = true },
850 [tegra_clk_cilcd] = { .dt_id = TEGRA124_CLK_CILCD, .present = true },
851 [tegra_clk_cile] = { .dt_id = TEGRA124_CLK_CILE, .present = true },
852 [tegra_clk_dsialp] = { .dt_id = TEGRA124_CLK_DSIALP, .present = true },
853 [tegra_clk_dsiblp] = { .dt_id = TEGRA124_CLK_DSIBLP, .present = true },
854 [tegra_clk_entropy] = { .dt_id = TEGRA124_CLK_ENTROPY, .present = true },
855 [tegra_clk_dds] = { .dt_id = TEGRA124_CLK_DDS, .present = true },
856 [tegra_clk_dp2] = { .dt_id = TEGRA124_CLK_DP2, .present = true },
857 [tegra_clk_amx] = { .dt_id = TEGRA124_CLK_AMX, .present = true },
858 [tegra_clk_adx] = { .dt_id = TEGRA124_CLK_ADX, .present = true },
859 [tegra_clk_xusb_ss] = { .dt_id = TEGRA124_CLK_XUSB_SS, .present = true },
860 [tegra_clk_i2c6] = { .dt_id = TEGRA124_CLK_I2C6, .present = true },
861 [tegra_clk_vim2_clk] = { .dt_id = TEGRA124_CLK_VIM2_CLK, .present = true },
862 [tegra_clk_hdmi_audio] = { .dt_id = TEGRA124_CLK_HDMI_AUDIO, .present = true },
863 [tegra_clk_clk72Mhz] = { .dt_id = TEGRA124_CLK_CLK72MHZ, .present = true },
864 [tegra_clk_vic03] = { .dt_id = TEGRA124_CLK_VIC03, .present = true },
865 [tegra_clk_adx1] = { .dt_id = TEGRA124_CLK_ADX1, .present = true },
866 [tegra_clk_dpaux] = { .dt_id = TEGRA124_CLK_DPAUX, .present = true },
867 [tegra_clk_sor0] = { .dt_id = TEGRA124_CLK_SOR0, .present = true },
868 [tegra_clk_sor0_lvds] = { .dt_id = TEGRA124_CLK_SOR0_LVDS, .present = true },
869 [tegra_clk_gpu] = { .dt_id = TEGRA124_CLK_GPU, .present = true },
870 [tegra_clk_amx1] = { .dt_id = TEGRA124_CLK_AMX1, .present = true },
871 [tegra_clk_uartb] = { .dt_id = TEGRA124_CLK_UARTB, .present = true },
872 [tegra_clk_vfir] = { .dt_id = TEGRA124_CLK_VFIR, .present = true },
873 [tegra_clk_spdif_in] = { .dt_id = TEGRA124_CLK_SPDIF_IN, .present = true },
874 [tegra_clk_spdif_out] = { .dt_id = TEGRA124_CLK_SPDIF_OUT, .present = true },
875 [tegra_clk_vi_9] = { .dt_id = TEGRA124_CLK_VI, .present = true },
Peter De Schrijver167d5362014-06-04 16:25:44 +0300876 [tegra_clk_vi_sensor_8] = { .dt_id = TEGRA124_CLK_VI_SENSOR, .present = true },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300877 [tegra_clk_fuse] = { .dt_id = TEGRA124_CLK_FUSE, .present = true },
878 [tegra_clk_fuse_burn] = { .dt_id = TEGRA124_CLK_FUSE_BURN, .present = true },
879 [tegra_clk_clk_32k] = { .dt_id = TEGRA124_CLK_CLK_32K, .present = true },
880 [tegra_clk_clk_m] = { .dt_id = TEGRA124_CLK_CLK_M, .present = true },
881 [tegra_clk_clk_m_div2] = { .dt_id = TEGRA124_CLK_CLK_M_DIV2, .present = true },
882 [tegra_clk_clk_m_div4] = { .dt_id = TEGRA124_CLK_CLK_M_DIV4, .present = true },
883 [tegra_clk_pll_ref] = { .dt_id = TEGRA124_CLK_PLL_REF, .present = true },
884 [tegra_clk_pll_c] = { .dt_id = TEGRA124_CLK_PLL_C, .present = true },
885 [tegra_clk_pll_c_out1] = { .dt_id = TEGRA124_CLK_PLL_C_OUT1, .present = true },
886 [tegra_clk_pll_c2] = { .dt_id = TEGRA124_CLK_PLL_C2, .present = true },
887 [tegra_clk_pll_c3] = { .dt_id = TEGRA124_CLK_PLL_C3, .present = true },
888 [tegra_clk_pll_m] = { .dt_id = TEGRA124_CLK_PLL_M, .present = true },
889 [tegra_clk_pll_m_out1] = { .dt_id = TEGRA124_CLK_PLL_M_OUT1, .present = true },
890 [tegra_clk_pll_p] = { .dt_id = TEGRA124_CLK_PLL_P, .present = true },
891 [tegra_clk_pll_p_out1] = { .dt_id = TEGRA124_CLK_PLL_P_OUT1, .present = true },
892 [tegra_clk_pll_p_out2] = { .dt_id = TEGRA124_CLK_PLL_P_OUT2, .present = true },
893 [tegra_clk_pll_p_out3] = { .dt_id = TEGRA124_CLK_PLL_P_OUT3, .present = true },
894 [tegra_clk_pll_p_out4] = { .dt_id = TEGRA124_CLK_PLL_P_OUT4, .present = true },
895 [tegra_clk_pll_a] = { .dt_id = TEGRA124_CLK_PLL_A, .present = true },
896 [tegra_clk_pll_a_out0] = { .dt_id = TEGRA124_CLK_PLL_A_OUT0, .present = true },
897 [tegra_clk_pll_d] = { .dt_id = TEGRA124_CLK_PLL_D, .present = true },
898 [tegra_clk_pll_d_out0] = { .dt_id = TEGRA124_CLK_PLL_D_OUT0, .present = true },
899 [tegra_clk_pll_d2] = { .dt_id = TEGRA124_CLK_PLL_D2, .present = true },
900 [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA124_CLK_PLL_D2_OUT0, .present = true },
901 [tegra_clk_pll_u] = { .dt_id = TEGRA124_CLK_PLL_U, .present = true },
902 [tegra_clk_pll_u_480m] = { .dt_id = TEGRA124_CLK_PLL_U_480M, .present = true },
903 [tegra_clk_pll_u_60m] = { .dt_id = TEGRA124_CLK_PLL_U_60M, .present = true },
904 [tegra_clk_pll_u_48m] = { .dt_id = TEGRA124_CLK_PLL_U_48M, .present = true },
905 [tegra_clk_pll_u_12m] = { .dt_id = TEGRA124_CLK_PLL_U_12M, .present = true },
906 [tegra_clk_pll_x] = { .dt_id = TEGRA124_CLK_PLL_X, .present = true },
907 [tegra_clk_pll_x_out0] = { .dt_id = TEGRA124_CLK_PLL_X_OUT0, .present = true },
908 [tegra_clk_pll_re_vco] = { .dt_id = TEGRA124_CLK_PLL_RE_VCO, .present = true },
909 [tegra_clk_pll_re_out] = { .dt_id = TEGRA124_CLK_PLL_RE_OUT, .present = true },
910 [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA124_CLK_SPDIF_IN_SYNC, .present = true },
911 [tegra_clk_i2s0_sync] = { .dt_id = TEGRA124_CLK_I2S0_SYNC, .present = true },
912 [tegra_clk_i2s1_sync] = { .dt_id = TEGRA124_CLK_I2S1_SYNC, .present = true },
913 [tegra_clk_i2s2_sync] = { .dt_id = TEGRA124_CLK_I2S2_SYNC, .present = true },
914 [tegra_clk_i2s3_sync] = { .dt_id = TEGRA124_CLK_I2S3_SYNC, .present = true },
915 [tegra_clk_i2s4_sync] = { .dt_id = TEGRA124_CLK_I2S4_SYNC, .present = true },
916 [tegra_clk_vimclk_sync] = { .dt_id = TEGRA124_CLK_VIMCLK_SYNC, .present = true },
917 [tegra_clk_audio0] = { .dt_id = TEGRA124_CLK_AUDIO0, .present = true },
918 [tegra_clk_audio1] = { .dt_id = TEGRA124_CLK_AUDIO1, .present = true },
919 [tegra_clk_audio2] = { .dt_id = TEGRA124_CLK_AUDIO2, .present = true },
920 [tegra_clk_audio3] = { .dt_id = TEGRA124_CLK_AUDIO3, .present = true },
921 [tegra_clk_audio4] = { .dt_id = TEGRA124_CLK_AUDIO4, .present = true },
922 [tegra_clk_spdif] = { .dt_id = TEGRA124_CLK_SPDIF, .present = true },
923 [tegra_clk_clk_out_1] = { .dt_id = TEGRA124_CLK_CLK_OUT_1, .present = true },
924 [tegra_clk_clk_out_2] = { .dt_id = TEGRA124_CLK_CLK_OUT_2, .present = true },
925 [tegra_clk_clk_out_3] = { .dt_id = TEGRA124_CLK_CLK_OUT_3, .present = true },
926 [tegra_clk_blink] = { .dt_id = TEGRA124_CLK_BLINK, .present = true },
927 [tegra_clk_xusb_host_src] = { .dt_id = TEGRA124_CLK_XUSB_HOST_SRC, .present = true },
928 [tegra_clk_xusb_falcon_src] = { .dt_id = TEGRA124_CLK_XUSB_FALCON_SRC, .present = true },
929 [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA124_CLK_XUSB_FS_SRC, .present = true },
930 [tegra_clk_xusb_ss_src] = { .dt_id = TEGRA124_CLK_XUSB_SS_SRC, .present = true },
Andrew Bresticker5c992af2014-05-14 17:32:59 -0700931 [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA124_CLK_XUSB_SS_DIV2, .present = true },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300932 [tegra_clk_xusb_dev_src] = { .dt_id = TEGRA124_CLK_XUSB_DEV_SRC, .present = true },
933 [tegra_clk_xusb_dev] = { .dt_id = TEGRA124_CLK_XUSB_DEV, .present = true },
934 [tegra_clk_xusb_hs_src] = { .dt_id = TEGRA124_CLK_XUSB_HS_SRC, .present = true },
935 [tegra_clk_sclk] = { .dt_id = TEGRA124_CLK_SCLK, .present = true },
936 [tegra_clk_hclk] = { .dt_id = TEGRA124_CLK_HCLK, .present = true },
937 [tegra_clk_pclk] = { .dt_id = TEGRA124_CLK_PCLK, .present = true },
938 [tegra_clk_cclk_g] = { .dt_id = TEGRA124_CLK_CCLK_G, .present = true },
939 [tegra_clk_cclk_lp] = { .dt_id = TEGRA124_CLK_CCLK_LP, .present = true },
940 [tegra_clk_dfll_ref] = { .dt_id = TEGRA124_CLK_DFLL_REF, .present = true },
941 [tegra_clk_dfll_soc] = { .dt_id = TEGRA124_CLK_DFLL_SOC, .present = true },
942 [tegra_clk_vi_sensor2] = { .dt_id = TEGRA124_CLK_VI_SENSOR2, .present = true },
943 [tegra_clk_pll_p_out5] = { .dt_id = TEGRA124_CLK_PLL_P_OUT5, .present = true },
944 [tegra_clk_pll_c4] = { .dt_id = TEGRA124_CLK_PLL_C4, .present = true },
945 [tegra_clk_pll_dp] = { .dt_id = TEGRA124_CLK_PLL_DP, .present = true },
946 [tegra_clk_audio0_mux] = { .dt_id = TEGRA124_CLK_AUDIO0_MUX, .present = true },
947 [tegra_clk_audio1_mux] = { .dt_id = TEGRA124_CLK_AUDIO1_MUX, .present = true },
948 [tegra_clk_audio2_mux] = { .dt_id = TEGRA124_CLK_AUDIO2_MUX, .present = true },
949 [tegra_clk_audio3_mux] = { .dt_id = TEGRA124_CLK_AUDIO3_MUX, .present = true },
950 [tegra_clk_audio4_mux] = { .dt_id = TEGRA124_CLK_AUDIO4_MUX, .present = true },
951 [tegra_clk_spdif_mux] = { .dt_id = TEGRA124_CLK_SPDIF_MUX, .present = true },
952 [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA124_CLK_CLK_OUT_1_MUX, .present = true },
953 [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA124_CLK_CLK_OUT_2_MUX, .present = true },
954 [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA124_CLK_CLK_OUT_3_MUX, .present = true },
Peter De Schrijver76da3142013-09-09 13:23:56 +0300955};
956
957static struct tegra_devclk devclks[] __initdata = {
958 { .con_id = "clk_m", .dt_id = TEGRA124_CLK_CLK_M },
959 { .con_id = "pll_ref", .dt_id = TEGRA124_CLK_PLL_REF },
960 { .con_id = "clk_32k", .dt_id = TEGRA124_CLK_CLK_32K },
961 { .con_id = "clk_m_div2", .dt_id = TEGRA124_CLK_CLK_M_DIV2 },
962 { .con_id = "clk_m_div4", .dt_id = TEGRA124_CLK_CLK_M_DIV4 },
963 { .con_id = "pll_c", .dt_id = TEGRA124_CLK_PLL_C },
964 { .con_id = "pll_c_out1", .dt_id = TEGRA124_CLK_PLL_C_OUT1 },
965 { .con_id = "pll_c2", .dt_id = TEGRA124_CLK_PLL_C2 },
966 { .con_id = "pll_c3", .dt_id = TEGRA124_CLK_PLL_C3 },
967 { .con_id = "pll_p", .dt_id = TEGRA124_CLK_PLL_P },
968 { .con_id = "pll_p_out1", .dt_id = TEGRA124_CLK_PLL_P_OUT1 },
969 { .con_id = "pll_p_out2", .dt_id = TEGRA124_CLK_PLL_P_OUT2 },
970 { .con_id = "pll_p_out3", .dt_id = TEGRA124_CLK_PLL_P_OUT3 },
971 { .con_id = "pll_p_out4", .dt_id = TEGRA124_CLK_PLL_P_OUT4 },
972 { .con_id = "pll_m", .dt_id = TEGRA124_CLK_PLL_M },
973 { .con_id = "pll_m_out1", .dt_id = TEGRA124_CLK_PLL_M_OUT1 },
974 { .con_id = "pll_x", .dt_id = TEGRA124_CLK_PLL_X },
975 { .con_id = "pll_x_out0", .dt_id = TEGRA124_CLK_PLL_X_OUT0 },
976 { .con_id = "pll_u", .dt_id = TEGRA124_CLK_PLL_U },
977 { .con_id = "pll_u_480M", .dt_id = TEGRA124_CLK_PLL_U_480M },
978 { .con_id = "pll_u_60M", .dt_id = TEGRA124_CLK_PLL_U_60M },
979 { .con_id = "pll_u_48M", .dt_id = TEGRA124_CLK_PLL_U_48M },
980 { .con_id = "pll_u_12M", .dt_id = TEGRA124_CLK_PLL_U_12M },
981 { .con_id = "pll_d", .dt_id = TEGRA124_CLK_PLL_D },
982 { .con_id = "pll_d_out0", .dt_id = TEGRA124_CLK_PLL_D_OUT0 },
983 { .con_id = "pll_d2", .dt_id = TEGRA124_CLK_PLL_D2 },
984 { .con_id = "pll_d2_out0", .dt_id = TEGRA124_CLK_PLL_D2_OUT0 },
985 { .con_id = "pll_a", .dt_id = TEGRA124_CLK_PLL_A },
986 { .con_id = "pll_a_out0", .dt_id = TEGRA124_CLK_PLL_A_OUT0 },
987 { .con_id = "pll_re_vco", .dt_id = TEGRA124_CLK_PLL_RE_VCO },
988 { .con_id = "pll_re_out", .dt_id = TEGRA124_CLK_PLL_RE_OUT },
989 { .con_id = "spdif_in_sync", .dt_id = TEGRA124_CLK_SPDIF_IN_SYNC },
990 { .con_id = "i2s0_sync", .dt_id = TEGRA124_CLK_I2S0_SYNC },
991 { .con_id = "i2s1_sync", .dt_id = TEGRA124_CLK_I2S1_SYNC },
992 { .con_id = "i2s2_sync", .dt_id = TEGRA124_CLK_I2S2_SYNC },
993 { .con_id = "i2s3_sync", .dt_id = TEGRA124_CLK_I2S3_SYNC },
994 { .con_id = "i2s4_sync", .dt_id = TEGRA124_CLK_I2S4_SYNC },
995 { .con_id = "vimclk_sync", .dt_id = TEGRA124_CLK_VIMCLK_SYNC },
996 { .con_id = "audio0", .dt_id = TEGRA124_CLK_AUDIO0 },
997 { .con_id = "audio1", .dt_id = TEGRA124_CLK_AUDIO1 },
998 { .con_id = "audio2", .dt_id = TEGRA124_CLK_AUDIO2 },
999 { .con_id = "audio3", .dt_id = TEGRA124_CLK_AUDIO3 },
1000 { .con_id = "audio4", .dt_id = TEGRA124_CLK_AUDIO4 },
1001 { .con_id = "spdif", .dt_id = TEGRA124_CLK_SPDIF },
1002 { .con_id = "audio0_2x", .dt_id = TEGRA124_CLK_AUDIO0_2X },
1003 { .con_id = "audio1_2x", .dt_id = TEGRA124_CLK_AUDIO1_2X },
1004 { .con_id = "audio2_2x", .dt_id = TEGRA124_CLK_AUDIO2_2X },
1005 { .con_id = "audio3_2x", .dt_id = TEGRA124_CLK_AUDIO3_2X },
1006 { .con_id = "audio4_2x", .dt_id = TEGRA124_CLK_AUDIO4_2X },
1007 { .con_id = "spdif_2x", .dt_id = TEGRA124_CLK_SPDIF_2X },
1008 { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA124_CLK_EXTERN1 },
1009 { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA124_CLK_EXTERN2 },
1010 { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA124_CLK_EXTERN3 },
1011 { .con_id = "blink", .dt_id = TEGRA124_CLK_BLINK },
1012 { .con_id = "cclk_g", .dt_id = TEGRA124_CLK_CCLK_G },
1013 { .con_id = "cclk_lp", .dt_id = TEGRA124_CLK_CCLK_LP },
1014 { .con_id = "sclk", .dt_id = TEGRA124_CLK_SCLK },
1015 { .con_id = "hclk", .dt_id = TEGRA124_CLK_HCLK },
1016 { .con_id = "pclk", .dt_id = TEGRA124_CLK_PCLK },
Alexandre Courbot5ab5d402013-11-21 03:38:10 +01001017 { .con_id = "fuse", .dt_id = TEGRA124_CLK_FUSE },
Peter De Schrijver76da3142013-09-09 13:23:56 +03001018 { .dev_id = "rtc-tegra", .dt_id = TEGRA124_CLK_RTC },
1019 { .dev_id = "timer", .dt_id = TEGRA124_CLK_TIMER },
Dylan Reid04794d92014-05-19 19:17:23 -07001020 { .con_id = "hda", .dt_id = TEGRA124_CLK_HDA },
1021 { .con_id = "hda2codec_2x", .dt_id = TEGRA124_CLK_HDA2CODEC_2X },
1022 { .con_id = "hda2hdmi", .dt_id = TEGRA124_CLK_HDA2HDMI },
Peter De Schrijver76da3142013-09-09 13:23:56 +03001023};
1024
1025static struct clk **clks;
1026
1027static void tegra124_utmi_param_configure(void __iomem *clk_base)
1028{
Thierry Redinge52d7c02015-11-18 14:04:20 +01001029 unsigned int i;
Peter De Schrijver76da3142013-09-09 13:23:56 +03001030 u32 reg;
Peter De Schrijver76da3142013-09-09 13:23:56 +03001031
1032 for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
1033 if (osc_freq == utmi_parameters[i].osc_frequency)
1034 break;
1035 }
1036
1037 if (i >= ARRAY_SIZE(utmi_parameters)) {
1038 pr_err("%s: Unexpected oscillator freq %lu\n", __func__,
1039 osc_freq);
1040 return;
1041 }
1042
1043 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
1044
1045 /* Program UTMIP PLL stable and active counts */
1046 /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */
1047 reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
1048 reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count);
1049
1050 reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
1051
1052 reg |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].
1053 active_delay_count);
1054
1055 /* Remove power downs from UTMIP PLL control bits */
1056 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
1057 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
1058 reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN;
1059
1060 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
1061
1062 /* Program UTMIP PLL delay and oscillator frequency counts */
1063 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
1064 reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
1065
1066 reg |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].
1067 enable_delay_count);
1068
1069 reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
1070 reg |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].
1071 xtal_freq_count);
1072
1073 /* Remove power downs from UTMIP PLL control bits */
1074 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
1075 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN;
1076 reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP;
1077 reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
1078 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
1079
1080 /* Setup HW control of UTMIPLL */
1081 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
1082 reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET;
1083 reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL;
1084 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE;
1085 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
1086
1087 reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
1088 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
1089 reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
1090 writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
1091
1092 udelay(1);
1093
1094 /* Setup SW override of UTMIPLL assuming USB2.0
1095 ports are assigned to USB2 */
1096 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
1097 reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL;
1098 reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
1099 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
1100
1101 udelay(1);
1102
1103 /* Enable HW control UTMIPLL */
1104 reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
1105 reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE;
1106 writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
1107}
1108
1109static __init void tegra124_periph_clk_init(void __iomem *clk_base,
1110 void __iomem *pmc_base)
1111{
1112 struct clk *clk;
Peter De Schrijver76da3142013-09-09 13:23:56 +03001113
Andrew Bresticker5c992af2014-05-14 17:32:59 -07001114 /* xusb_ss_div2 */
1115 clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0,
1116 1, 2);
1117 clks[TEGRA124_CLK_XUSB_SS_DIV2] = clk;
Peter De Schrijver76da3142013-09-09 13:23:56 +03001118
Thierry Redingc1d676c2015-03-26 17:53:01 +01001119 clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0,
Mark Zhangb2704912014-12-09 14:59:59 +08001120 clk_base + PLLD_MISC, 30, 0, &pll_d_lock);
Thierry Redingc1d676c2015-03-26 17:53:01 +01001121 clks[TEGRA124_CLK_PLL_D_DSI_OUT] = clk;
Peter De Schrijver76da3142013-09-09 13:23:56 +03001122
Thierry Redingc1d676c2015-03-26 17:53:01 +01001123 clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0,
1124 clk_base, 0, 48,
1125 periph_clk_enb_refcnt);
Mark Zhangb2704912014-12-09 14:59:59 +08001126 clks[TEGRA124_CLK_DSIA] = clk;
1127
Thierry Redingc1d676c2015-03-26 17:53:01 +01001128 clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0,
1129 clk_base, 0, 82,
1130 periph_clk_enb_refcnt);
Mark Zhangb2704912014-12-09 14:59:59 +08001131 clks[TEGRA124_CLK_DSIB] = clk;
Peter De Schrijver76da3142013-09-09 13:23:56 +03001132
Tomeu Vizosoac674772015-03-12 15:48:07 +01001133 clk = tegra_clk_register_mc("mc", "emc", clk_base + CLK_SOURCE_EMC,
Thierry Reding4f4f85f2014-07-29 10:17:53 +02001134 &emc_lock);
1135 clks[TEGRA124_CLK_MC] = clk;
Peter De Schrijver76da3142013-09-09 13:23:56 +03001136
1137 /* cml0 */
1138 clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX,
1139 0, 0, &pll_e_lock);
1140 clk_register_clkdev(clk, "cml0", NULL);
1141 clks[TEGRA124_CLK_CML0] = clk;
1142
1143 /* cml1 */
1144 clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX,
1145 1, 0, &pll_e_lock);
1146 clk_register_clkdev(clk, "cml1", NULL);
1147 clks[TEGRA124_CLK_CML1] = clk;
1148
1149 tegra_periph_clk_init(clk_base, pmc_base, tegra124_clks, &pll_p_params);
1150}
1151
1152static void __init tegra124_pll_init(void __iomem *clk_base,
1153 void __iomem *pmc)
1154{
1155 u32 val;
1156 struct clk *clk;
1157
1158 /* PLLC */
1159 clk = tegra_clk_register_pllxc("pll_c", "pll_ref", clk_base,
1160 pmc, 0, &pll_c_params, NULL);
1161 clk_register_clkdev(clk, "pll_c", NULL);
1162 clks[TEGRA124_CLK_PLL_C] = clk;
1163
1164 /* PLLC_OUT1 */
1165 clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
1166 clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
1167 8, 8, 1, NULL);
1168 clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
1169 clk_base + PLLC_OUT, 1, 0,
1170 CLK_SET_RATE_PARENT, 0, NULL);
1171 clk_register_clkdev(clk, "pll_c_out1", NULL);
1172 clks[TEGRA124_CLK_PLL_C_OUT1] = clk;
1173
Mikko Perttunen4c495c22014-07-11 17:18:29 +03001174 /* PLLC_UD */
1175 clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c",
1176 CLK_SET_RATE_PARENT, 1, 1);
1177 clk_register_clkdev(clk, "pll_c_ud", NULL);
1178 clks[TEGRA124_CLK_PLL_C_UD] = clk;
1179
Peter De Schrijver76da3142013-09-09 13:23:56 +03001180 /* PLLC2 */
1181 clk = tegra_clk_register_pllc("pll_c2", "pll_ref", clk_base, pmc, 0,
1182 &pll_c2_params, NULL);
1183 clk_register_clkdev(clk, "pll_c2", NULL);
1184 clks[TEGRA124_CLK_PLL_C2] = clk;
1185
1186 /* PLLC3 */
1187 clk = tegra_clk_register_pllc("pll_c3", "pll_ref", clk_base, pmc, 0,
1188 &pll_c3_params, NULL);
1189 clk_register_clkdev(clk, "pll_c3", NULL);
1190 clks[TEGRA124_CLK_PLL_C3] = clk;
1191
1192 /* PLLM */
1193 clk = tegra_clk_register_pllm("pll_m", "pll_ref", clk_base, pmc,
1194 CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE,
1195 &pll_m_params, NULL);
1196 clk_register_clkdev(clk, "pll_m", NULL);
1197 clks[TEGRA124_CLK_PLL_M] = clk;
1198
1199 /* PLLM_OUT1 */
1200 clk = tegra_clk_register_divider("pll_m_out1_div", "pll_m",
1201 clk_base + PLLM_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
1202 8, 8, 1, NULL);
1203 clk = tegra_clk_register_pll_out("pll_m_out1", "pll_m_out1_div",
1204 clk_base + PLLM_OUT, 1, 0, CLK_IGNORE_UNUSED |
1205 CLK_SET_RATE_PARENT, 0, NULL);
1206 clk_register_clkdev(clk, "pll_m_out1", NULL);
1207 clks[TEGRA124_CLK_PLL_M_OUT1] = clk;
1208
1209 /* PLLM_UD */
1210 clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m",
1211 CLK_SET_RATE_PARENT, 1, 1);
Mikko Perttunen4c495c22014-07-11 17:18:29 +03001212 clk_register_clkdev(clk, "pll_m_ud", NULL);
1213 clks[TEGRA124_CLK_PLL_M_UD] = clk;
Peter De Schrijver76da3142013-09-09 13:23:56 +03001214
1215 /* PLLU */
1216 val = readl(clk_base + pll_u_params.base_reg);
1217 val &= ~BIT(24); /* disable PLLU_OVERRIDE */
1218 writel(val, clk_base + pll_u_params.base_reg);
1219
1220 clk = tegra_clk_register_pll("pll_u", "pll_ref", clk_base, pmc, 0,
1221 &pll_u_params, &pll_u_lock);
1222 clk_register_clkdev(clk, "pll_u", NULL);
1223 clks[TEGRA124_CLK_PLL_U] = clk;
1224
1225 tegra124_utmi_param_configure(clk_base);
1226
1227 /* PLLU_480M */
1228 clk = clk_register_gate(NULL, "pll_u_480M", "pll_u",
1229 CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
1230 22, 0, &pll_u_lock);
1231 clk_register_clkdev(clk, "pll_u_480M", NULL);
1232 clks[TEGRA124_CLK_PLL_U_480M] = clk;
1233
1234 /* PLLU_60M */
1235 clk = clk_register_fixed_factor(NULL, "pll_u_60M", "pll_u",
1236 CLK_SET_RATE_PARENT, 1, 8);
1237 clk_register_clkdev(clk, "pll_u_60M", NULL);
1238 clks[TEGRA124_CLK_PLL_U_60M] = clk;
1239
1240 /* PLLU_48M */
1241 clk = clk_register_fixed_factor(NULL, "pll_u_48M", "pll_u",
1242 CLK_SET_RATE_PARENT, 1, 10);
1243 clk_register_clkdev(clk, "pll_u_48M", NULL);
1244 clks[TEGRA124_CLK_PLL_U_48M] = clk;
1245
1246 /* PLLU_12M */
1247 clk = clk_register_fixed_factor(NULL, "pll_u_12M", "pll_u",
1248 CLK_SET_RATE_PARENT, 1, 40);
1249 clk_register_clkdev(clk, "pll_u_12M", NULL);
1250 clks[TEGRA124_CLK_PLL_U_12M] = clk;
1251
1252 /* PLLD */
1253 clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0,
1254 &pll_d_params, &pll_d_lock);
1255 clk_register_clkdev(clk, "pll_d", NULL);
1256 clks[TEGRA124_CLK_PLL_D] = clk;
1257
1258 /* PLLD_OUT0 */
1259 clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
1260 CLK_SET_RATE_PARENT, 1, 2);
1261 clk_register_clkdev(clk, "pll_d_out0", NULL);
1262 clks[TEGRA124_CLK_PLL_D_OUT0] = clk;
1263
1264 /* PLLRE */
1265 clk = tegra_clk_register_pllre("pll_re_vco", "pll_ref", clk_base, pmc,
1266 0, &pll_re_vco_params, &pll_re_lock, pll_ref_freq);
1267 clk_register_clkdev(clk, "pll_re_vco", NULL);
1268 clks[TEGRA124_CLK_PLL_RE_VCO] = clk;
1269
1270 clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0,
1271 clk_base + PLLRE_BASE, 16, 4, 0,
1272 pll_re_div_table, &pll_re_lock);
1273 clk_register_clkdev(clk, "pll_re_out", NULL);
1274 clks[TEGRA124_CLK_PLL_RE_OUT] = clk;
1275
1276 /* PLLE */
1277 clk = tegra_clk_register_plle_tegra114("pll_e", "pll_ref",
1278 clk_base, 0, &pll_e_params, NULL);
1279 clk_register_clkdev(clk, "pll_e", NULL);
1280 clks[TEGRA124_CLK_PLL_E] = clk;
1281
1282 /* PLLC4 */
1283 clk = tegra_clk_register_pllss("pll_c4", "pll_ref", clk_base, 0,
1284 &pll_c4_params, NULL);
1285 clk_register_clkdev(clk, "pll_c4", NULL);
1286 clks[TEGRA124_CLK_PLL_C4] = clk;
1287
1288 /* PLLDP */
1289 clk = tegra_clk_register_pllss("pll_dp", "pll_ref", clk_base, 0,
1290 &pll_dp_params, NULL);
1291 clk_register_clkdev(clk, "pll_dp", NULL);
1292 clks[TEGRA124_CLK_PLL_DP] = clk;
1293
1294 /* PLLD2 */
1295 clk = tegra_clk_register_pllss("pll_d2", "pll_ref", clk_base, 0,
1296 &tegra124_pll_d2_params, NULL);
1297 clk_register_clkdev(clk, "pll_d2", NULL);
1298 clks[TEGRA124_CLK_PLL_D2] = clk;
1299
David Ung0e766c22013-12-26 16:44:23 -08001300 /* PLLD2_OUT0 */
Peter De Schrijver76da3142013-09-09 13:23:56 +03001301 clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
David Ung0e766c22013-12-26 16:44:23 -08001302 CLK_SET_RATE_PARENT, 1, 1);
Peter De Schrijver76da3142013-09-09 13:23:56 +03001303 clk_register_clkdev(clk, "pll_d2_out0", NULL);
1304 clks[TEGRA124_CLK_PLL_D2_OUT0] = clk;
1305
1306}
1307
Joseph Lo9e036d32013-09-25 17:27:51 +08001308/* Tegra124 CPU clock and reset control functions */
1309static void tegra124_wait_cpu_in_reset(u32 cpu)
1310{
1311 unsigned int reg;
1312
1313 do {
1314 reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
1315 cpu_relax();
1316 } while (!(reg & (1 << cpu))); /* check CPU been reset or not */
1317}
1318
1319static void tegra124_disable_cpu_clock(u32 cpu)
1320{
1321 /* flow controller would take care in the power sequence. */
1322}
1323
Joseph Lo61792e42013-09-26 17:46:23 +08001324#ifdef CONFIG_PM_SLEEP
1325static void tegra124_cpu_clock_suspend(void)
1326{
1327 /* switch coresite to clk_m, save off original source */
1328 tegra124_cpu_clk_sctx.clk_csite_src =
1329 readl(clk_base + CLK_SOURCE_CSITE);
1330 writel(3 << 30, clk_base + CLK_SOURCE_CSITE);
Tuomas Tynkkynenc38864a2015-05-13 17:58:42 +03001331
1332 tegra124_cpu_clk_sctx.cclkg_burst =
1333 readl(clk_base + CCLKG_BURST_POLICY);
1334 tegra124_cpu_clk_sctx.cclkg_divider =
1335 readl(clk_base + CCLKG_BURST_POLICY + 4);
Joseph Lo61792e42013-09-26 17:46:23 +08001336}
1337
1338static void tegra124_cpu_clock_resume(void)
1339{
1340 writel(tegra124_cpu_clk_sctx.clk_csite_src,
1341 clk_base + CLK_SOURCE_CSITE);
Tuomas Tynkkynenc38864a2015-05-13 17:58:42 +03001342
1343 writel(tegra124_cpu_clk_sctx.cclkg_burst,
1344 clk_base + CCLKG_BURST_POLICY);
1345 writel(tegra124_cpu_clk_sctx.cclkg_divider,
1346 clk_base + CCLKG_BURST_POLICY + 4);
Joseph Lo61792e42013-09-26 17:46:23 +08001347}
1348#endif
1349
Joseph Lo9e036d32013-09-25 17:27:51 +08001350static struct tegra_cpu_car_ops tegra124_cpu_car_ops = {
1351 .wait_for_reset = tegra124_wait_cpu_in_reset,
1352 .disable_clock = tegra124_disable_cpu_clock,
Joseph Lo61792e42013-09-26 17:46:23 +08001353#ifdef CONFIG_PM_SLEEP
1354 .suspend = tegra124_cpu_clock_suspend,
1355 .resume = tegra124_cpu_clock_resume,
1356#endif
Joseph Lo9e036d32013-09-25 17:27:51 +08001357};
1358
Peter De Schrijver76da3142013-09-09 13:23:56 +03001359static const struct of_device_id pmc_match[] __initconst = {
1360 { .compatible = "nvidia,tegra124-pmc" },
Thierry Redinge52d7c02015-11-18 14:04:20 +01001361 { },
Peter De Schrijver76da3142013-09-09 13:23:56 +03001362};
1363
Paul Walmsley08acae32014-12-16 12:38:29 -08001364static struct tegra_clk_init_table common_init_table[] __initdata = {
Thierry Reding8d997042015-11-18 14:10:02 +01001365 { TEGRA124_CLK_UARTA, TEGRA124_CLK_PLL_P, 408000000, 0 },
1366 { TEGRA124_CLK_UARTB, TEGRA124_CLK_PLL_P, 408000000, 0 },
1367 { TEGRA124_CLK_UARTC, TEGRA124_CLK_PLL_P, 408000000, 0 },
1368 { TEGRA124_CLK_UARTD, TEGRA124_CLK_PLL_P, 408000000, 0 },
1369 { TEGRA124_CLK_PLL_A, TEGRA124_CLK_CLK_MAX, 564480000, 1 },
1370 { TEGRA124_CLK_PLL_A_OUT0, TEGRA124_CLK_CLK_MAX, 11289600, 1 },
1371 { TEGRA124_CLK_EXTERN1, TEGRA124_CLK_PLL_A_OUT0, 0, 1 },
1372 { TEGRA124_CLK_CLK_OUT_1_MUX, TEGRA124_CLK_EXTERN1, 0, 1 },
1373 { TEGRA124_CLK_CLK_OUT_1, TEGRA124_CLK_CLK_MAX, 0, 1 },
1374 { TEGRA124_CLK_I2S0, TEGRA124_CLK_PLL_A_OUT0, 11289600, 0 },
1375 { TEGRA124_CLK_I2S1, TEGRA124_CLK_PLL_A_OUT0, 11289600, 0 },
1376 { TEGRA124_CLK_I2S2, TEGRA124_CLK_PLL_A_OUT0, 11289600, 0 },
1377 { TEGRA124_CLK_I2S3, TEGRA124_CLK_PLL_A_OUT0, 11289600, 0 },
1378 { TEGRA124_CLK_I2S4, TEGRA124_CLK_PLL_A_OUT0, 11289600, 0 },
1379 { TEGRA124_CLK_VDE, TEGRA124_CLK_PLL_P, 0, 0 },
1380 { TEGRA124_CLK_HOST1X, TEGRA124_CLK_PLL_P, 136000000, 1 },
1381 { TEGRA124_CLK_DSIALP, TEGRA124_CLK_PLL_P, 68000000, 0 },
1382 { TEGRA124_CLK_DSIBLP, TEGRA124_CLK_PLL_P, 68000000, 0 },
1383 { TEGRA124_CLK_SCLK, TEGRA124_CLK_PLL_P_OUT2, 102000000, 1 },
1384 { TEGRA124_CLK_DFLL_SOC, TEGRA124_CLK_PLL_P, 51000000, 1 },
1385 { TEGRA124_CLK_DFLL_REF, TEGRA124_CLK_PLL_P, 51000000, 1 },
1386 { TEGRA124_CLK_PLL_C, TEGRA124_CLK_CLK_MAX, 768000000, 0 },
1387 { TEGRA124_CLK_PLL_C_OUT1, TEGRA124_CLK_CLK_MAX, 100000000, 0 },
1388 { TEGRA124_CLK_SBC4, TEGRA124_CLK_PLL_P, 12000000, 1 },
1389 { TEGRA124_CLK_TSEC, TEGRA124_CLK_PLL_C3, 0, 0 },
1390 { TEGRA124_CLK_MSENC, TEGRA124_CLK_PLL_C3, 0, 0 },
1391 { TEGRA124_CLK_PLL_RE_VCO, TEGRA124_CLK_CLK_MAX, 672000000, 0 },
1392 { TEGRA124_CLK_XUSB_SS_SRC, TEGRA124_CLK_PLL_U_480M, 120000000, 0 },
1393 { TEGRA124_CLK_XUSB_FS_SRC, TEGRA124_CLK_PLL_U_48M, 48000000, 0 },
1394 { TEGRA124_CLK_XUSB_HS_SRC, TEGRA124_CLK_PLL_U_60M, 60000000, 0 },
1395 { TEGRA124_CLK_XUSB_FALCON_SRC, TEGRA124_CLK_PLL_RE_OUT, 224000000, 0 },
1396 { TEGRA124_CLK_XUSB_HOST_SRC, TEGRA124_CLK_PLL_RE_OUT, 112000000, 0 },
1397 { TEGRA124_CLK_SATA, TEGRA124_CLK_PLL_P, 104000000, 0 },
1398 { TEGRA124_CLK_SATA_OOB, TEGRA124_CLK_PLL_P, 204000000, 0 },
1399 { TEGRA124_CLK_MSELECT, TEGRA124_CLK_CLK_MAX, 0, 1 },
1400 { TEGRA124_CLK_CSITE, TEGRA124_CLK_CLK_MAX, 0, 1 },
1401 { TEGRA124_CLK_TSENSOR, TEGRA124_CLK_CLK_M, 400000, 0 },
1402 /* must be the last entry */
1403 { TEGRA124_CLK_CLK_MAX, TEGRA124_CLK_CLK_MAX, 0, 0 },
Peter De Schrijver76da3142013-09-09 13:23:56 +03001404};
1405
Paul Walmsley08acae32014-12-16 12:38:29 -08001406static struct tegra_clk_init_table tegra124_init_table[] __initdata = {
Thierry Reding8d997042015-11-18 14:10:02 +01001407 { TEGRA124_CLK_SOC_THERM, TEGRA124_CLK_PLL_P, 51000000, 0 },
1408 { TEGRA124_CLK_CCLK_G, TEGRA124_CLK_CLK_MAX, 0, 1 },
1409 { TEGRA124_CLK_HDA, TEGRA124_CLK_PLL_P, 102000000, 0 },
1410 { TEGRA124_CLK_HDA2CODEC_2X, TEGRA124_CLK_PLL_P, 48000000, 0 },
1411 /* must be the last entry */
1412 { TEGRA124_CLK_CLK_MAX, TEGRA124_CLK_CLK_MAX, 0, 0 },
Paul Walmsley08acae32014-12-16 12:38:29 -08001413};
1414
1415/* Tegra132 requires the SOC_THERM clock to remain active */
1416static struct tegra_clk_init_table tegra132_init_table[] __initdata = {
Thierry Reding8d997042015-11-18 14:10:02 +01001417 { TEGRA124_CLK_SOC_THERM, TEGRA124_CLK_PLL_P, 51000000, 1 },
1418 /* must be the last entry */
1419 { TEGRA124_CLK_CLK_MAX, TEGRA124_CLK_CLK_MAX, 0, 0 },
Paul Walmsley08acae32014-12-16 12:38:29 -08001420};
1421
Rhyland Klein88d909b2015-06-18 17:28:17 -04001422static struct tegra_audio_clk_info tegra124_audio_plls[] = {
1423 { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_p_out1" },
1424};
1425
Paul Walmsley08acae32014-12-16 12:38:29 -08001426/**
1427 * tegra124_clock_apply_init_table - initialize clocks on Tegra124 SoCs
1428 *
1429 * Program an initial clock rate and enable or disable clocks needed
1430 * by the rest of the kernel, for Tegra124 SoCs. It is intended to be
1431 * called by assigning a pointer to it to tegra_clk_apply_init_table -
1432 * this will be called as an arch_initcall. No return value.
1433 */
Peter De Schrijver76da3142013-09-09 13:23:56 +03001434static void __init tegra124_clock_apply_init_table(void)
1435{
Paul Walmsley08acae32014-12-16 12:38:29 -08001436 tegra_init_from_table(common_init_table, clks, TEGRA124_CLK_CLK_MAX);
1437 tegra_init_from_table(tegra124_init_table, clks, TEGRA124_CLK_CLK_MAX);
Peter De Schrijver76da3142013-09-09 13:23:56 +03001438}
1439
Paul Walmsley08acae32014-12-16 12:38:29 -08001440/**
Paul Walmsleya3c83ff2015-05-19 14:43:30 +03001441 * tegra124_car_barrier - wait for pending writes to the CAR to complete
1442 *
1443 * Wait for any outstanding writes to the CAR MMIO space from this CPU
1444 * to complete before continuing execution. No return value.
1445 */
1446static void tegra124_car_barrier(void)
1447{
1448 readl_relaxed(clk_base + RST_DFLL_DVCO);
1449}
1450
1451/**
1452 * tegra124_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset
1453 *
1454 * Assert the reset line of the DFLL's DVCO. No return value.
1455 */
Stephen Boydc5a132a2015-08-25 16:02:02 -07001456static void tegra124_clock_assert_dfll_dvco_reset(void)
Paul Walmsleya3c83ff2015-05-19 14:43:30 +03001457{
1458 u32 v;
1459
1460 v = readl_relaxed(clk_base + RST_DFLL_DVCO);
1461 v |= (1 << DVFS_DFLL_RESET_SHIFT);
1462 writel_relaxed(v, clk_base + RST_DFLL_DVCO);
1463 tegra124_car_barrier();
1464}
1465
1466/**
1467 * tegra124_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset
1468 *
1469 * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to
1470 * operate. No return value.
1471 */
Stephen Boydc5a132a2015-08-25 16:02:02 -07001472static void tegra124_clock_deassert_dfll_dvco_reset(void)
Paul Walmsleya3c83ff2015-05-19 14:43:30 +03001473{
1474 u32 v;
1475
1476 v = readl_relaxed(clk_base + RST_DFLL_DVCO);
1477 v &= ~(1 << DVFS_DFLL_RESET_SHIFT);
1478 writel_relaxed(v, clk_base + RST_DFLL_DVCO);
1479 tegra124_car_barrier();
1480}
1481
Stephen Boydc5a132a2015-08-25 16:02:02 -07001482static int tegra124_reset_assert(unsigned long id)
Paul Walmsleya3c83ff2015-05-19 14:43:30 +03001483{
1484 if (id == TEGRA124_RST_DFLL_DVCO)
1485 tegra124_clock_assert_dfll_dvco_reset();
1486 else
1487 return -EINVAL;
1488
1489 return 0;
1490}
1491
Stephen Boydc5a132a2015-08-25 16:02:02 -07001492static int tegra124_reset_deassert(unsigned long id)
Paul Walmsleya3c83ff2015-05-19 14:43:30 +03001493{
1494 if (id == TEGRA124_RST_DFLL_DVCO)
1495 tegra124_clock_deassert_dfll_dvco_reset();
1496 else
1497 return -EINVAL;
1498
1499 return 0;
1500}
1501
1502/**
Paul Walmsley08acae32014-12-16 12:38:29 -08001503 * tegra132_clock_apply_init_table - initialize clocks on Tegra132 SoCs
1504 *
1505 * Program an initial clock rate and enable or disable clocks needed
1506 * by the rest of the kernel, for Tegra132 SoCs. It is intended to be
1507 * called by assigning a pointer to it to tegra_clk_apply_init_table -
1508 * this will be called as an arch_initcall. No return value.
1509 */
1510static void __init tegra132_clock_apply_init_table(void)
1511{
1512 tegra_init_from_table(common_init_table, clks, TEGRA124_CLK_CLK_MAX);
1513 tegra_init_from_table(tegra132_init_table, clks, TEGRA124_CLK_CLK_MAX);
1514}
1515
1516/**
1517 * tegra124_132_clock_init_pre - clock initialization preamble for T124/T132
1518 * @np: struct device_node * of the DT node for the SoC CAR IP block
1519 *
1520 * Register most of the clocks controlled by the CAR IP block, along
1521 * with a few clocks controlled by the PMC IP block. Everything in
1522 * this function should be common to Tegra124 and Tegra132. XXX The
1523 * PMC clock initialization should probably be moved to PMC-specific
1524 * driver code. No return value.
1525 */
1526static void __init tegra124_132_clock_init_pre(struct device_node *np)
Peter De Schrijver76da3142013-09-09 13:23:56 +03001527{
1528 struct device_node *node;
Mark Zhangb2704912014-12-09 14:59:59 +08001529 u32 plld_base;
Peter De Schrijver76da3142013-09-09 13:23:56 +03001530
1531 clk_base = of_iomap(np, 0);
1532 if (!clk_base) {
Paul Walmsley08acae32014-12-16 12:38:29 -08001533 pr_err("ioremap tegra124/tegra132 CAR failed\n");
Peter De Schrijver76da3142013-09-09 13:23:56 +03001534 return;
1535 }
1536
1537 node = of_find_matching_node(NULL, pmc_match);
1538 if (!node) {
1539 pr_err("Failed to find pmc node\n");
1540 WARN_ON(1);
1541 return;
1542 }
1543
1544 pmc_base = of_iomap(node, 0);
1545 if (!pmc_base) {
1546 pr_err("Can't map pmc registers\n");
1547 WARN_ON(1);
1548 return;
1549 }
1550
Paul Walmsley08acae32014-12-16 12:38:29 -08001551 clks = tegra_clk_init(clk_base, TEGRA124_CLK_CLK_MAX,
1552 TEGRA124_CAR_BANK_COUNT);
Peter De Schrijver76da3142013-09-09 13:23:56 +03001553 if (!clks)
1554 return;
1555
1556 if (tegra_osc_clk_init(clk_base, tegra124_clks, tegra124_input_freq,
Thierry Reding63cc5a42015-03-26 17:43:56 +01001557 ARRAY_SIZE(tegra124_input_freq), 1, &osc_freq,
1558 &pll_ref_freq) < 0)
Peter De Schrijver76da3142013-09-09 13:23:56 +03001559 return;
1560
1561 tegra_fixed_clk_init(tegra124_clks);
1562 tegra124_pll_init(clk_base, pmc_base);
1563 tegra124_periph_clk_init(clk_base, pmc_base);
Rhyland Klein88d909b2015-06-18 17:28:17 -04001564 tegra_audio_clk_init(clk_base, pmc_base, tegra124_clks,
1565 tegra124_audio_plls,
1566 ARRAY_SIZE(tegra124_audio_plls));
Peter De Schrijver76da3142013-09-09 13:23:56 +03001567 tegra_pmc_clk_init(pmc_base, tegra124_clks);
Mark Zhangb2704912014-12-09 14:59:59 +08001568
1569 /* For Tegra124 & Tegra132, PLLD is the only source for DSIA & DSIB */
1570 plld_base = clk_readl(clk_base + PLLD_BASE);
1571 plld_base &= ~BIT(25);
1572 clk_writel(plld_base, clk_base + PLLD_BASE);
Paul Walmsley08acae32014-12-16 12:38:29 -08001573}
Peter De Schrijver76da3142013-09-09 13:23:56 +03001574
Paul Walmsley08acae32014-12-16 12:38:29 -08001575/**
1576 * tegra124_132_clock_init_post - clock initialization postamble for T124/T132
1577 * @np: struct device_node * of the DT node for the SoC CAR IP block
1578 *
1579 * Register most of the along with a few clocks controlled by the PMC
1580 * IP block. Everything in this function should be common to Tegra124
1581 * and Tegra132. This function must be called after
1582 * tegra124_132_clock_init_pre(), otherwise clk_base and pmc_base will
1583 * not be set. No return value.
1584 */
1585static void __init tegra124_132_clock_init_post(struct device_node *np)
1586{
Peter De Schrijver76da3142013-09-09 13:23:56 +03001587 tegra_super_clk_gen4_init(clk_base, pmc_base, tegra124_clks,
Paul Walmsley08acae32014-12-16 12:38:29 -08001588 &pll_x_params);
Paul Walmsleya3c83ff2015-05-19 14:43:30 +03001589 tegra_init_special_resets(1, tegra124_reset_assert,
1590 tegra124_reset_deassert);
Peter De Schrijver76da3142013-09-09 13:23:56 +03001591 tegra_add_of_provider(np);
Mikko Perttunen2db04f12015-03-12 15:48:05 +01001592
1593 clks[TEGRA124_CLK_EMC] = tegra_clk_register_emc(clk_base, np,
1594 &emc_lock);
1595
Peter De Schrijver76da3142013-09-09 13:23:56 +03001596 tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
1597
Joseph Lo9e036d32013-09-25 17:27:51 +08001598 tegra_cpu_car_ops = &tegra124_cpu_car_ops;
Peter De Schrijver76da3142013-09-09 13:23:56 +03001599}
Paul Walmsley08acae32014-12-16 12:38:29 -08001600
1601/**
1602 * tegra124_clock_init - Tegra124-specific clock initialization
1603 * @np: struct device_node * of the DT node for the SoC CAR IP block
1604 *
1605 * Register most SoC clocks for the Tegra124 system-on-chip. Most of
1606 * this code is shared between the Tegra124 and Tegra132 SoCs,
1607 * although some of the initial clock settings and CPU clocks differ.
1608 * Intended to be called by the OF init code when a DT node with the
1609 * "nvidia,tegra124-car" string is encountered, and declared with
1610 * CLK_OF_DECLARE. No return value.
1611 */
1612static void __init tegra124_clock_init(struct device_node *np)
1613{
1614 tegra124_132_clock_init_pre(np);
1615 tegra_clk_apply_init_table = tegra124_clock_apply_init_table;
1616 tegra124_132_clock_init_post(np);
1617}
1618
1619/**
1620 * tegra132_clock_init - Tegra132-specific clock initialization
1621 * @np: struct device_node * of the DT node for the SoC CAR IP block
1622 *
1623 * Register most SoC clocks for the Tegra132 system-on-chip. Most of
1624 * this code is shared between the Tegra124 and Tegra132 SoCs,
1625 * although some of the initial clock settings and CPU clocks differ.
1626 * Intended to be called by the OF init code when a DT node with the
1627 * "nvidia,tegra132-car" string is encountered, and declared with
1628 * CLK_OF_DECLARE. No return value.
1629 */
1630static void __init tegra132_clock_init(struct device_node *np)
1631{
1632 tegra124_132_clock_init_pre(np);
1633
1634 /*
1635 * On Tegra132, these clocks are controlled by the
1636 * CLUSTER_clocks IP block, located in the CPU complex
1637 */
1638 tegra124_clks[tegra_clk_cclk_g].present = false;
1639 tegra124_clks[tegra_clk_cclk_lp].present = false;
1640 tegra124_clks[tegra_clk_pll_x].present = false;
1641 tegra124_clks[tegra_clk_pll_x_out0].present = false;
1642
1643 tegra_clk_apply_init_table = tegra132_clock_apply_init_table;
1644 tegra124_132_clock_init_post(np);
1645}
Peter De Schrijver76da3142013-09-09 13:23:56 +03001646CLK_OF_DECLARE(tegra124, "nvidia,tegra124-car", tegra124_clock_init);
Paul Walmsley08acae32014-12-16 12:38:29 -08001647CLK_OF_DECLARE(tegra132, "nvidia,tegra132-car", tegra132_clock_init);