blob: 46cb256b4aa23919e47fcf79e60b8e3103d680c0 [file] [log] [blame]
Varadarajan Narayanan6971e862015-11-19 17:19:29 -06001/*
2 * Copyright (c) 2015 The Linux Foundation. All rights reserved.
3 *
4 * This software is licensed under the terms of the GNU General Public
5 * License version 2, as published by the Free Software Foundation, and
6 * may be copied, distributed, and modified under those terms.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 */
13
14#include <linux/kernel.h>
15#include <linux/err.h>
16#include <linux/platform_device.h>
17#include <linux/module.h>
18#include <linux/of.h>
19#include <linux/of_device.h>
20#include <linux/clk-provider.h>
21#include <linux/regmap.h>
22#include <linux/reset-controller.h>
Abhishek Sahu4577aa02016-11-25 21:11:28 +053023#include <linux/math64.h>
Abhishek Sahud83dcac2016-11-25 21:11:29 +053024#include <linux/delay.h>
Abhishek Sahu395717e2016-12-22 20:10:54 +053025#include <linux/clk.h>
Varadarajan Narayanan6971e862015-11-19 17:19:29 -060026
27#include <dt-bindings/clock/qcom,gcc-ipq4019.h>
28
29#include "common.h"
30#include "clk-regmap.h"
31#include "clk-rcg.h"
32#include "clk-branch.h"
33#include "reset.h"
Abhishek Sahu4577aa02016-11-25 21:11:28 +053034#include "clk-regmap-divider.h"
35
36#define to_clk_regmap_div(_hw) container_of(to_clk_regmap(_hw),\
37 struct clk_regmap_div, clkr)
38
39#define to_clk_fepll(_hw) container_of(to_clk_regmap_div(_hw),\
40 struct clk_fepll, cdiv)
Varadarajan Narayanan6971e862015-11-19 17:19:29 -060041
42enum {
43 P_XO,
44 P_FEPLL200,
45 P_FEPLL500,
46 P_DDRPLL,
47 P_FEPLLWCSS2G,
48 P_FEPLLWCSS5G,
49 P_FEPLL125DLY,
50 P_DDRPLLAPSS,
51};
52
Abhishek Sahu4577aa02016-11-25 21:11:28 +053053/*
54 * struct clk_fepll_vco - vco feedback divider corresponds for FEPLL clocks
55 * @fdbkdiv_shift: lowest bit for FDBKDIV
56 * @fdbkdiv_width: number of bits in FDBKDIV
57 * @refclkdiv_shift: lowest bit for REFCLKDIV
58 * @refclkdiv_width: number of bits in REFCLKDIV
59 * @reg: PLL_DIV register address
60 */
61struct clk_fepll_vco {
62 u32 fdbkdiv_shift;
63 u32 fdbkdiv_width;
64 u32 refclkdiv_shift;
65 u32 refclkdiv_width;
66 u32 reg;
67};
68
69/*
70 * struct clk_fepll - clk divider corresponds to FEPLL clocks
71 * @fixed_div: fixed divider value if divider is fixed
72 * @parent_map: map from software's parent index to hardware's src_sel field
73 * @cdiv: divider values for PLL_DIV
74 * @pll_vco: vco feedback divider
75 * @div_table: mapping for actual divider value to register divider value
76 * in case of non fixed divider
77 * @freq_tbl: frequency table
78 */
79struct clk_fepll {
80 u32 fixed_div;
81 const u8 *parent_map;
82 struct clk_regmap_div cdiv;
83 const struct clk_fepll_vco *pll_vco;
84 const struct clk_div_table *div_table;
85 const struct freq_tbl *freq_tbl;
86};
87
Varadarajan Narayanan6971e862015-11-19 17:19:29 -060088static struct parent_map gcc_xo_200_500_map[] = {
89 { P_XO, 0 },
90 { P_FEPLL200, 1 },
91 { P_FEPLL500, 2 },
92};
93
94static const char * const gcc_xo_200_500[] = {
95 "xo",
96 "fepll200",
97 "fepll500",
98};
99
100static struct parent_map gcc_xo_200_map[] = {
101 { P_XO, 0 },
102 { P_FEPLL200, 1 },
103};
104
105static const char * const gcc_xo_200[] = {
106 "xo",
107 "fepll200",
108};
109
110static struct parent_map gcc_xo_200_spi_map[] = {
111 { P_XO, 0 },
112 { P_FEPLL200, 2 },
113};
114
115static const char * const gcc_xo_200_spi[] = {
116 "xo",
117 "fepll200",
118};
119
120static struct parent_map gcc_xo_sdcc1_500_map[] = {
121 { P_XO, 0 },
122 { P_DDRPLL, 1 },
123 { P_FEPLL500, 2 },
124};
125
126static const char * const gcc_xo_sdcc1_500[] = {
127 "xo",
Abhishek Sahub52a0c22016-11-25 21:11:31 +0530128 "ddrpllsdcc",
Varadarajan Narayanan6971e862015-11-19 17:19:29 -0600129 "fepll500",
130};
131
132static struct parent_map gcc_xo_wcss2g_map[] = {
133 { P_XO, 0 },
134 { P_FEPLLWCSS2G, 1 },
135};
136
137static const char * const gcc_xo_wcss2g[] = {
138 "xo",
139 "fepllwcss2g",
140};
141
142static struct parent_map gcc_xo_wcss5g_map[] = {
143 { P_XO, 0 },
144 { P_FEPLLWCSS5G, 1 },
145};
146
147static const char * const gcc_xo_wcss5g[] = {
148 "xo",
149 "fepllwcss5g",
150};
151
152static struct parent_map gcc_xo_125_dly_map[] = {
153 { P_XO, 0 },
154 { P_FEPLL125DLY, 1 },
155};
156
157static const char * const gcc_xo_125_dly[] = {
158 "xo",
159 "fepll125dly",
160};
161
162static struct parent_map gcc_xo_ddr_500_200_map[] = {
163 { P_XO, 0 },
164 { P_FEPLL200, 3 },
165 { P_FEPLL500, 2 },
166 { P_DDRPLLAPSS, 1 },
167};
168
Abhishek Sahu395717e2016-12-22 20:10:54 +0530169/*
170 * Contains index for safe clock during APSS freq change.
171 * fepll500 is being used as safe clock so initialize it
172 * with its index in parents list gcc_xo_ddr_500_200.
173 */
174static const int gcc_ipq4019_cpu_safe_parent = 2;
Varadarajan Narayanan6971e862015-11-19 17:19:29 -0600175static const char * const gcc_xo_ddr_500_200[] = {
176 "xo",
177 "fepll200",
178 "fepll500",
179 "ddrpllapss",
180};
181
182#define F(f, s, h, m, n) { (f), (s), (2 * (h) - 1), (m), (n) }
Varadarajan Narayanan6971e862015-11-19 17:19:29 -0600183
184static const struct freq_tbl ftbl_gcc_audio_pwm_clk[] = {
185 F(48000000, P_XO, 1, 0, 0),
Matthew McClintockbc95d4f2016-03-23 17:04:59 -0500186 F(200000000, P_FEPLL200, 1, 0, 0),
Varadarajan Narayanan6971e862015-11-19 17:19:29 -0600187 { }
188};
189
190static struct clk_rcg2 audio_clk_src = {
191 .cmd_rcgr = 0x1b000,
192 .hid_width = 5,
193 .parent_map = gcc_xo_200_map,
194 .freq_tbl = ftbl_gcc_audio_pwm_clk,
195 .clkr.hw.init = &(struct clk_init_data){
196 .name = "audio_clk_src",
197 .parent_names = gcc_xo_200,
198 .num_parents = 2,
199 .ops = &clk_rcg2_ops,
200
201 },
202};
203
204static struct clk_branch gcc_audio_ahb_clk = {
205 .halt_reg = 0x1b010,
206 .clkr = {
207 .enable_reg = 0x1b010,
208 .enable_mask = BIT(0),
209 .hw.init = &(struct clk_init_data){
210 .name = "gcc_audio_ahb_clk",
211 .parent_names = (const char *[]){
212 "pcnoc_clk_src",
213 },
214 .flags = CLK_SET_RATE_PARENT,
215 .num_parents = 1,
216 .ops = &clk_branch2_ops,
217 },
218 },
219};
220
221static struct clk_branch gcc_audio_pwm_clk = {
222 .halt_reg = 0x1b00C,
223 .clkr = {
224 .enable_reg = 0x1b00C,
225 .enable_mask = BIT(0),
226 .hw.init = &(struct clk_init_data){
227 .name = "gcc_audio_pwm_clk",
228 .parent_names = (const char *[]){
229 "audio_clk_src",
230 },
231 .flags = CLK_SET_RATE_PARENT,
232 .num_parents = 1,
233 .ops = &clk_branch2_ops,
234 },
235 },
236};
237
238static const struct freq_tbl ftbl_gcc_blsp1_qup1_2_i2c_apps_clk[] = {
Abhishek Sahuf7475972016-09-21 17:51:52 +0530239 F(19050000, P_FEPLL200, 10.5, 1, 1),
Varadarajan Narayanan6971e862015-11-19 17:19:29 -0600240 { }
241};
242
243static struct clk_rcg2 blsp1_qup1_i2c_apps_clk_src = {
244 .cmd_rcgr = 0x200c,
245 .hid_width = 5,
246 .parent_map = gcc_xo_200_map,
247 .freq_tbl = ftbl_gcc_blsp1_qup1_2_i2c_apps_clk,
248 .clkr.hw.init = &(struct clk_init_data){
249 .name = "blsp1_qup1_i2c_apps_clk_src",
250 .parent_names = gcc_xo_200,
251 .num_parents = 2,
252 .ops = &clk_rcg2_ops,
253 },
254};
255
256static struct clk_branch gcc_blsp1_qup1_i2c_apps_clk = {
257 .halt_reg = 0x2008,
258 .clkr = {
259 .enable_reg = 0x2008,
260 .enable_mask = BIT(0),
261 .hw.init = &(struct clk_init_data){
262 .name = "gcc_blsp1_qup1_i2c_apps_clk",
263 .parent_names = (const char *[]){
264 "blsp1_qup1_i2c_apps_clk_src",
265 },
266 .num_parents = 1,
267 .ops = &clk_branch2_ops,
268 .flags = CLK_SET_RATE_PARENT,
269 },
270 },
271};
272
273static struct clk_rcg2 blsp1_qup2_i2c_apps_clk_src = {
274 .cmd_rcgr = 0x3000,
275 .hid_width = 5,
276 .parent_map = gcc_xo_200_map,
277 .freq_tbl = ftbl_gcc_blsp1_qup1_2_i2c_apps_clk,
278 .clkr.hw.init = &(struct clk_init_data){
279 .name = "blsp1_qup2_i2c_apps_clk_src",
280 .parent_names = gcc_xo_200,
281 .num_parents = 2,
282 .ops = &clk_rcg2_ops,
283 },
284};
285
286static struct clk_branch gcc_blsp1_qup2_i2c_apps_clk = {
287 .halt_reg = 0x3010,
288 .clkr = {
289 .enable_reg = 0x3010,
290 .enable_mask = BIT(0),
291 .hw.init = &(struct clk_init_data){
292 .name = "gcc_blsp1_qup2_i2c_apps_clk",
293 .parent_names = (const char *[]){
294 "blsp1_qup2_i2c_apps_clk_src",
295 },
296 .num_parents = 1,
297 .ops = &clk_branch2_ops,
298 .flags = CLK_SET_RATE_PARENT,
299 },
300 },
301};
302
303static const struct freq_tbl ftbl_gcc_blsp1_qup1_2_spi_apps_clk[] = {
304 F(960000, P_XO, 12, 1, 4),
305 F(4800000, P_XO, 1, 1, 10),
306 F(9600000, P_XO, 1, 1, 5),
307 F(15000000, P_XO, 1, 1, 3),
308 F(19200000, P_XO, 1, 2, 5),
309 F(24000000, P_XO, 1, 1, 2),
310 F(48000000, P_XO, 1, 0, 0),
311 { }
312};
313
314static struct clk_rcg2 blsp1_qup1_spi_apps_clk_src = {
315 .cmd_rcgr = 0x2024,
316 .mnd_width = 8,
317 .hid_width = 5,
318 .parent_map = gcc_xo_200_spi_map,
319 .freq_tbl = ftbl_gcc_blsp1_qup1_2_spi_apps_clk,
320 .clkr.hw.init = &(struct clk_init_data){
321 .name = "blsp1_qup1_spi_apps_clk_src",
322 .parent_names = gcc_xo_200_spi,
323 .num_parents = 2,
324 .ops = &clk_rcg2_ops,
325 },
326};
327
328static struct clk_branch gcc_blsp1_qup1_spi_apps_clk = {
329 .halt_reg = 0x2004,
330 .clkr = {
331 .enable_reg = 0x2004,
332 .enable_mask = BIT(0),
333 .hw.init = &(struct clk_init_data){
334 .name = "gcc_blsp1_qup1_spi_apps_clk",
335 .parent_names = (const char *[]){
336 "blsp1_qup1_spi_apps_clk_src",
337 },
338 .num_parents = 1,
339 .ops = &clk_branch2_ops,
340 .flags = CLK_SET_RATE_PARENT,
341 },
342 },
343};
344
345static struct clk_rcg2 blsp1_qup2_spi_apps_clk_src = {
346 .cmd_rcgr = 0x3014,
347 .mnd_width = 8,
348 .hid_width = 5,
349 .freq_tbl = ftbl_gcc_blsp1_qup1_2_spi_apps_clk,
350 .parent_map = gcc_xo_200_spi_map,
351 .clkr.hw.init = &(struct clk_init_data){
352 .name = "blsp1_qup2_spi_apps_clk_src",
353 .parent_names = gcc_xo_200_spi,
354 .num_parents = 2,
355 .ops = &clk_rcg2_ops,
356 },
357};
358
359static struct clk_branch gcc_blsp1_qup2_spi_apps_clk = {
360 .halt_reg = 0x300c,
361 .clkr = {
362 .enable_reg = 0x300c,
363 .enable_mask = BIT(0),
364 .hw.init = &(struct clk_init_data){
365 .name = "gcc_blsp1_qup2_spi_apps_clk",
366 .parent_names = (const char *[]){
367 "blsp1_qup2_spi_apps_clk_src",
368 },
369 .num_parents = 1,
370 .ops = &clk_branch2_ops,
371 .flags = CLK_SET_RATE_PARENT,
372 },
373 },
374};
375
376static const struct freq_tbl ftbl_gcc_blsp1_uart1_2_apps_clk[] = {
Matthew McClintockbc95d4f2016-03-23 17:04:59 -0500377 F(1843200, P_FEPLL200, 1, 144, 15625),
378 F(3686400, P_FEPLL200, 1, 288, 15625),
379 F(7372800, P_FEPLL200, 1, 576, 15625),
380 F(14745600, P_FEPLL200, 1, 1152, 15625),
381 F(16000000, P_FEPLL200, 1, 2, 25),
Varadarajan Narayanan6971e862015-11-19 17:19:29 -0600382 F(24000000, P_XO, 1, 1, 2),
Matthew McClintockbc95d4f2016-03-23 17:04:59 -0500383 F(32000000, P_FEPLL200, 1, 4, 25),
384 F(40000000, P_FEPLL200, 1, 1, 5),
385 F(46400000, P_FEPLL200, 1, 29, 125),
Varadarajan Narayanan6971e862015-11-19 17:19:29 -0600386 F(48000000, P_XO, 1, 0, 0),
387 { }
388};
389
390static struct clk_rcg2 blsp1_uart1_apps_clk_src = {
391 .cmd_rcgr = 0x2044,
392 .mnd_width = 16,
393 .hid_width = 5,
394 .freq_tbl = ftbl_gcc_blsp1_uart1_2_apps_clk,
395 .parent_map = gcc_xo_200_spi_map,
396 .clkr.hw.init = &(struct clk_init_data){
397 .name = "blsp1_uart1_apps_clk_src",
398 .parent_names = gcc_xo_200_spi,
399 .num_parents = 2,
400 .ops = &clk_rcg2_ops,
401 },
402};
403
404static struct clk_branch gcc_blsp1_uart1_apps_clk = {
405 .halt_reg = 0x203c,
406 .clkr = {
407 .enable_reg = 0x203c,
408 .enable_mask = BIT(0),
409 .hw.init = &(struct clk_init_data){
410 .name = "gcc_blsp1_uart1_apps_clk",
411 .parent_names = (const char *[]){
412 "blsp1_uart1_apps_clk_src",
413 },
414 .flags = CLK_SET_RATE_PARENT,
415 .num_parents = 1,
416 .ops = &clk_branch2_ops,
417 },
418 },
419};
420
421static struct clk_rcg2 blsp1_uart2_apps_clk_src = {
422 .cmd_rcgr = 0x3034,
423 .mnd_width = 16,
424 .hid_width = 5,
425 .freq_tbl = ftbl_gcc_blsp1_uart1_2_apps_clk,
426 .parent_map = gcc_xo_200_spi_map,
427 .clkr.hw.init = &(struct clk_init_data){
428 .name = "blsp1_uart2_apps_clk_src",
429 .parent_names = gcc_xo_200_spi,
430 .num_parents = 2,
431 .ops = &clk_rcg2_ops,
432 },
433};
434
435static struct clk_branch gcc_blsp1_uart2_apps_clk = {
436 .halt_reg = 0x302c,
437 .clkr = {
438 .enable_reg = 0x302c,
439 .enable_mask = BIT(0),
440 .hw.init = &(struct clk_init_data){
441 .name = "gcc_blsp1_uart2_apps_clk",
442 .parent_names = (const char *[]){
443 "blsp1_uart2_apps_clk_src",
444 },
445 .num_parents = 1,
446 .ops = &clk_branch2_ops,
447 .flags = CLK_SET_RATE_PARENT,
448 },
449 },
450};
451
452static const struct freq_tbl ftbl_gcc_gp_clk[] = {
Matthew McClintockbc95d4f2016-03-23 17:04:59 -0500453 F(1250000, P_FEPLL200, 1, 16, 0),
454 F(2500000, P_FEPLL200, 1, 8, 0),
455 F(5000000, P_FEPLL200, 1, 4, 0),
Varadarajan Narayanan6971e862015-11-19 17:19:29 -0600456 { }
457};
458
459static struct clk_rcg2 gp1_clk_src = {
460 .cmd_rcgr = 0x8004,
461 .mnd_width = 8,
462 .hid_width = 5,
463 .freq_tbl = ftbl_gcc_gp_clk,
464 .parent_map = gcc_xo_200_map,
465 .clkr.hw.init = &(struct clk_init_data){
466 .name = "gp1_clk_src",
467 .parent_names = gcc_xo_200,
468 .num_parents = 2,
469 .ops = &clk_rcg2_ops,
470 },
471};
472
473static struct clk_branch gcc_gp1_clk = {
474 .halt_reg = 0x8000,
475 .clkr = {
476 .enable_reg = 0x8000,
477 .enable_mask = BIT(0),
478 .hw.init = &(struct clk_init_data){
479 .name = "gcc_gp1_clk",
480 .parent_names = (const char *[]){
481 "gp1_clk_src",
482 },
483 .num_parents = 1,
484 .ops = &clk_branch2_ops,
485 .flags = CLK_SET_RATE_PARENT,
486 },
487 },
488};
489
490static struct clk_rcg2 gp2_clk_src = {
491 .cmd_rcgr = 0x9004,
492 .mnd_width = 8,
493 .hid_width = 5,
494 .freq_tbl = ftbl_gcc_gp_clk,
495 .parent_map = gcc_xo_200_map,
496 .clkr.hw.init = &(struct clk_init_data){
497 .name = "gp2_clk_src",
498 .parent_names = gcc_xo_200,
499 .num_parents = 2,
500 .ops = &clk_rcg2_ops,
501 },
502};
503
504static struct clk_branch gcc_gp2_clk = {
505 .halt_reg = 0x9000,
506 .clkr = {
507 .enable_reg = 0x9000,
508 .enable_mask = BIT(0),
509 .hw.init = &(struct clk_init_data){
510 .name = "gcc_gp2_clk",
511 .parent_names = (const char *[]){
512 "gp2_clk_src",
513 },
514 .num_parents = 1,
515 .ops = &clk_branch2_ops,
516 .flags = CLK_SET_RATE_PARENT,
517 },
518 },
519};
520
521static struct clk_rcg2 gp3_clk_src = {
522 .cmd_rcgr = 0xa004,
523 .mnd_width = 8,
524 .hid_width = 5,
525 .freq_tbl = ftbl_gcc_gp_clk,
526 .parent_map = gcc_xo_200_map,
527 .clkr.hw.init = &(struct clk_init_data){
528 .name = "gp3_clk_src",
529 .parent_names = gcc_xo_200,
530 .num_parents = 2,
531 .ops = &clk_rcg2_ops,
532 },
533};
534
535static struct clk_branch gcc_gp3_clk = {
536 .halt_reg = 0xa000,
537 .clkr = {
538 .enable_reg = 0xa000,
539 .enable_mask = BIT(0),
540 .hw.init = &(struct clk_init_data){
541 .name = "gcc_gp3_clk",
542 .parent_names = (const char *[]){
543 "gp3_clk_src",
544 },
545 .num_parents = 1,
546 .ops = &clk_branch2_ops,
547 .flags = CLK_SET_RATE_PARENT,
548 },
549 },
550};
551
552static const struct freq_tbl ftbl_gcc_sdcc1_apps_clk[] = {
553 F(144000, P_XO, 1, 3, 240),
554 F(400000, P_XO, 1, 1, 0),
Matthew McClintockbc95d4f2016-03-23 17:04:59 -0500555 F(20000000, P_FEPLL500, 1, 1, 25),
556 F(25000000, P_FEPLL500, 1, 1, 20),
557 F(50000000, P_FEPLL500, 1, 1, 10),
558 F(100000000, P_FEPLL500, 1, 1, 5),
Abhishek Sahub52a0c22016-11-25 21:11:31 +0530559 F(192000000, P_DDRPLL, 1, 0, 0),
Varadarajan Narayanan6971e862015-11-19 17:19:29 -0600560 { }
561};
562
563static struct clk_rcg2 sdcc1_apps_clk_src = {
564 .cmd_rcgr = 0x18004,
565 .hid_width = 5,
566 .freq_tbl = ftbl_gcc_sdcc1_apps_clk,
567 .parent_map = gcc_xo_sdcc1_500_map,
568 .clkr.hw.init = &(struct clk_init_data){
569 .name = "sdcc1_apps_clk_src",
570 .parent_names = gcc_xo_sdcc1_500,
571 .num_parents = 3,
572 .ops = &clk_rcg2_ops,
573 .flags = CLK_SET_RATE_PARENT,
574 },
575};
576
577static const struct freq_tbl ftbl_gcc_apps_clk[] = {
Abhishek Sahu86c654d2016-11-25 21:11:32 +0530578 F(48000000, P_XO, 1, 0, 0),
Matthew McClintockbc95d4f2016-03-23 17:04:59 -0500579 F(200000000, P_FEPLL200, 1, 0, 0),
Abhishek Sahu86c654d2016-11-25 21:11:32 +0530580 F(384000000, P_DDRPLLAPSS, 1, 0, 0),
581 F(413000000, P_DDRPLLAPSS, 1, 0, 0),
582 F(448000000, P_DDRPLLAPSS, 1, 0, 0),
583 F(488000000, P_DDRPLLAPSS, 1, 0, 0),
Matthew McClintockbc95d4f2016-03-23 17:04:59 -0500584 F(500000000, P_FEPLL500, 1, 0, 0),
Abhishek Sahu86c654d2016-11-25 21:11:32 +0530585 F(512000000, P_DDRPLLAPSS, 1, 0, 0),
586 F(537000000, P_DDRPLLAPSS, 1, 0, 0),
587 F(565000000, P_DDRPLLAPSS, 1, 0, 0),
588 F(597000000, P_DDRPLLAPSS, 1, 0, 0),
589 F(632000000, P_DDRPLLAPSS, 1, 0, 0),
590 F(672000000, P_DDRPLLAPSS, 1, 0, 0),
591 F(716000000, P_DDRPLLAPSS, 1, 0, 0),
Varadarajan Narayanan6971e862015-11-19 17:19:29 -0600592 { }
593};
594
595static struct clk_rcg2 apps_clk_src = {
596 .cmd_rcgr = 0x1900c,
597 .hid_width = 5,
598 .freq_tbl = ftbl_gcc_apps_clk,
599 .parent_map = gcc_xo_ddr_500_200_map,
600 .clkr.hw.init = &(struct clk_init_data){
601 .name = "apps_clk_src",
602 .parent_names = gcc_xo_ddr_500_200,
603 .num_parents = 4,
604 .ops = &clk_rcg2_ops,
Abhishek Sahud83dcac2016-11-25 21:11:29 +0530605 .flags = CLK_SET_RATE_PARENT,
Varadarajan Narayanan6971e862015-11-19 17:19:29 -0600606 },
607};
608
609static const struct freq_tbl ftbl_gcc_apps_ahb_clk[] = {
610 F(48000000, P_XO, 1, 0, 0),
Matthew McClintockbc95d4f2016-03-23 17:04:59 -0500611 F(100000000, P_FEPLL200, 2, 0, 0),
Varadarajan Narayanan6971e862015-11-19 17:19:29 -0600612 { }
613};
614
615static struct clk_rcg2 apps_ahb_clk_src = {
616 .cmd_rcgr = 0x19014,
617 .hid_width = 5,
618 .parent_map = gcc_xo_200_500_map,
619 .freq_tbl = ftbl_gcc_apps_ahb_clk,
620 .clkr.hw.init = &(struct clk_init_data){
621 .name = "apps_ahb_clk_src",
622 .parent_names = gcc_xo_200_500,
623 .num_parents = 3,
624 .ops = &clk_rcg2_ops,
625 },
626};
627
628static struct clk_branch gcc_apss_ahb_clk = {
629 .halt_reg = 0x19004,
630 .halt_check = BRANCH_HALT_VOTED,
631 .clkr = {
632 .enable_reg = 0x6000,
633 .enable_mask = BIT(14),
634 .hw.init = &(struct clk_init_data){
635 .name = "gcc_apss_ahb_clk",
636 .parent_names = (const char *[]){
637 "apps_ahb_clk_src",
638 },
639 .num_parents = 1,
640 .ops = &clk_branch2_ops,
641 .flags = CLK_SET_RATE_PARENT,
642 },
643 },
644};
645
646static struct clk_branch gcc_blsp1_ahb_clk = {
647 .halt_reg = 0x1008,
648 .halt_check = BRANCH_HALT_VOTED,
649 .clkr = {
650 .enable_reg = 0x6000,
651 .enable_mask = BIT(10),
652 .hw.init = &(struct clk_init_data){
653 .name = "gcc_blsp1_ahb_clk",
654 .parent_names = (const char *[]){
655 "pcnoc_clk_src",
656 },
657 .num_parents = 1,
658 .ops = &clk_branch2_ops,
659 },
660 },
661};
662
663static struct clk_branch gcc_dcd_xo_clk = {
664 .halt_reg = 0x2103c,
665 .clkr = {
666 .enable_reg = 0x2103c,
667 .enable_mask = BIT(0),
668 .hw.init = &(struct clk_init_data){
669 .name = "gcc_dcd_xo_clk",
670 .parent_names = (const char *[]){
671 "xo",
672 },
673 .num_parents = 1,
674 .ops = &clk_branch2_ops,
675 },
676 },
677};
678
679static struct clk_branch gcc_boot_rom_ahb_clk = {
680 .halt_reg = 0x1300c,
681 .clkr = {
682 .enable_reg = 0x1300c,
683 .enable_mask = BIT(0),
684 .hw.init = &(struct clk_init_data){
685 .name = "gcc_boot_rom_ahb_clk",
686 .parent_names = (const char *[]){
687 "pcnoc_clk_src",
688 },
689 .num_parents = 1,
690 .ops = &clk_branch2_ops,
691 .flags = CLK_SET_RATE_PARENT,
692 },
693 },
694};
695
696static struct clk_branch gcc_crypto_ahb_clk = {
697 .halt_reg = 0x16024,
698 .halt_check = BRANCH_HALT_VOTED,
699 .clkr = {
700 .enable_reg = 0x6000,
701 .enable_mask = BIT(0),
702 .hw.init = &(struct clk_init_data){
703 .name = "gcc_crypto_ahb_clk",
704 .parent_names = (const char *[]){
705 "pcnoc_clk_src",
706 },
707 .num_parents = 1,
708 .ops = &clk_branch2_ops,
709 },
710 },
711};
712
713static struct clk_branch gcc_crypto_axi_clk = {
714 .halt_reg = 0x16020,
715 .halt_check = BRANCH_HALT_VOTED,
716 .clkr = {
717 .enable_reg = 0x6000,
718 .enable_mask = BIT(1),
719 .hw.init = &(struct clk_init_data){
720 .name = "gcc_crypto_axi_clk",
721 .parent_names = (const char *[]){
722 "fepll125",
723 },
724 .num_parents = 1,
725 .ops = &clk_branch2_ops,
726 },
727 },
728};
729
730static struct clk_branch gcc_crypto_clk = {
731 .halt_reg = 0x1601c,
732 .halt_check = BRANCH_HALT_VOTED,
733 .clkr = {
734 .enable_reg = 0x6000,
735 .enable_mask = BIT(2),
736 .hw.init = &(struct clk_init_data){
737 .name = "gcc_crypto_clk",
738 .parent_names = (const char *[]){
739 "fepll125",
740 },
741 .num_parents = 1,
742 .ops = &clk_branch2_ops,
743 },
744 },
745};
746
747static struct clk_branch gcc_ess_clk = {
748 .halt_reg = 0x12010,
749 .clkr = {
750 .enable_reg = 0x12010,
751 .enable_mask = BIT(0),
752 .hw.init = &(struct clk_init_data){
753 .name = "gcc_ess_clk",
754 .parent_names = (const char *[]){
755 "fephy_125m_dly_clk_src",
756 },
757 .num_parents = 1,
758 .ops = &clk_branch2_ops,
759 .flags = CLK_SET_RATE_PARENT,
760 },
761 },
762};
763
764static struct clk_branch gcc_imem_axi_clk = {
765 .halt_reg = 0xe004,
766 .halt_check = BRANCH_HALT_VOTED,
767 .clkr = {
768 .enable_reg = 0x6000,
769 .enable_mask = BIT(17),
770 .hw.init = &(struct clk_init_data){
771 .name = "gcc_imem_axi_clk",
772 .parent_names = (const char *[]){
773 "fepll200",
774 },
775 .num_parents = 1,
776 .ops = &clk_branch2_ops,
777 },
778 },
779};
780
781static struct clk_branch gcc_imem_cfg_ahb_clk = {
782 .halt_reg = 0xe008,
783 .clkr = {
784 .enable_reg = 0xe008,
785 .enable_mask = BIT(0),
786 .hw.init = &(struct clk_init_data){
787 .name = "gcc_imem_cfg_ahb_clk",
788 .parent_names = (const char *[]){
789 "pcnoc_clk_src",
790 },
791 .num_parents = 1,
792 .ops = &clk_branch2_ops,
793 },
794 },
795};
796
797static struct clk_branch gcc_pcie_ahb_clk = {
798 .halt_reg = 0x1d00c,
799 .clkr = {
800 .enable_reg = 0x1d00c,
801 .enable_mask = BIT(0),
802 .hw.init = &(struct clk_init_data){
803 .name = "gcc_pcie_ahb_clk",
804 .parent_names = (const char *[]){
805 "pcnoc_clk_src",
806 },
807 .num_parents = 1,
808 .ops = &clk_branch2_ops,
809 },
810 },
811};
812
813static struct clk_branch gcc_pcie_axi_m_clk = {
814 .halt_reg = 0x1d004,
815 .clkr = {
816 .enable_reg = 0x1d004,
817 .enable_mask = BIT(0),
818 .hw.init = &(struct clk_init_data){
819 .name = "gcc_pcie_axi_m_clk",
820 .parent_names = (const char *[]){
821 "fepll200",
822 },
823 .num_parents = 1,
824 .ops = &clk_branch2_ops,
825 },
826 },
827};
828
829static struct clk_branch gcc_pcie_axi_s_clk = {
830 .halt_reg = 0x1d008,
831 .clkr = {
832 .enable_reg = 0x1d008,
833 .enable_mask = BIT(0),
834 .hw.init = &(struct clk_init_data){
835 .name = "gcc_pcie_axi_s_clk",
836 .parent_names = (const char *[]){
837 "fepll200",
838 },
839 .num_parents = 1,
840 .ops = &clk_branch2_ops,
841 },
842 },
843};
844
845static struct clk_branch gcc_prng_ahb_clk = {
846 .halt_reg = 0x13004,
847 .halt_check = BRANCH_HALT_VOTED,
848 .clkr = {
849 .enable_reg = 0x6000,
850 .enable_mask = BIT(8),
851 .hw.init = &(struct clk_init_data){
852 .name = "gcc_prng_ahb_clk",
853 .parent_names = (const char *[]){
854 "pcnoc_clk_src",
855 },
856 .num_parents = 1,
857 .ops = &clk_branch2_ops,
858 },
859 },
860};
861
862static struct clk_branch gcc_qpic_ahb_clk = {
863 .halt_reg = 0x1c008,
864 .clkr = {
865 .enable_reg = 0x1c008,
866 .enable_mask = BIT(0),
867 .hw.init = &(struct clk_init_data){
868 .name = "gcc_qpic_ahb_clk",
869 .parent_names = (const char *[]){
870 "pcnoc_clk_src",
871 },
872 .num_parents = 1,
873 .ops = &clk_branch2_ops,
874 },
875 },
876};
877
878static struct clk_branch gcc_qpic_clk = {
879 .halt_reg = 0x1c004,
880 .clkr = {
881 .enable_reg = 0x1c004,
882 .enable_mask = BIT(0),
883 .hw.init = &(struct clk_init_data){
884 .name = "gcc_qpic_clk",
885 .parent_names = (const char *[]){
886 "pcnoc_clk_src",
887 },
888 .num_parents = 1,
889 .ops = &clk_branch2_ops,
890 },
891 },
892};
893
894static struct clk_branch gcc_sdcc1_ahb_clk = {
895 .halt_reg = 0x18010,
896 .clkr = {
897 .enable_reg = 0x18010,
898 .enable_mask = BIT(0),
899 .hw.init = &(struct clk_init_data){
900 .name = "gcc_sdcc1_ahb_clk",
901 .parent_names = (const char *[]){
902 "pcnoc_clk_src",
903 },
904 .num_parents = 1,
905 .ops = &clk_branch2_ops,
906 },
907 },
908};
909
910static struct clk_branch gcc_sdcc1_apps_clk = {
911 .halt_reg = 0x1800c,
912 .clkr = {
913 .enable_reg = 0x1800c,
914 .enable_mask = BIT(0),
915 .hw.init = &(struct clk_init_data){
916 .name = "gcc_sdcc1_apps_clk",
917 .parent_names = (const char *[]){
918 "sdcc1_apps_clk_src",
919 },
920 .num_parents = 1,
921 .ops = &clk_branch2_ops,
922 .flags = CLK_SET_RATE_PARENT,
923 },
924 },
925};
926
927static struct clk_branch gcc_tlmm_ahb_clk = {
928 .halt_reg = 0x5004,
929 .halt_check = BRANCH_HALT_VOTED,
930 .clkr = {
931 .enable_reg = 0x6000,
932 .enable_mask = BIT(5),
933 .hw.init = &(struct clk_init_data){
934 .name = "gcc_tlmm_ahb_clk",
935 .parent_names = (const char *[]){
936 "pcnoc_clk_src",
937 },
938 .num_parents = 1,
939 .ops = &clk_branch2_ops,
940 },
941 },
942};
943
944static struct clk_branch gcc_usb2_master_clk = {
945 .halt_reg = 0x1e00c,
946 .clkr = {
947 .enable_reg = 0x1e00c,
948 .enable_mask = BIT(0),
949 .hw.init = &(struct clk_init_data){
950 .name = "gcc_usb2_master_clk",
951 .parent_names = (const char *[]){
952 "pcnoc_clk_src",
953 },
954 .num_parents = 1,
955 .ops = &clk_branch2_ops,
956 },
957 },
958};
959
960static struct clk_branch gcc_usb2_sleep_clk = {
961 .halt_reg = 0x1e010,
962 .clkr = {
963 .enable_reg = 0x1e010,
964 .enable_mask = BIT(0),
965 .hw.init = &(struct clk_init_data){
966 .name = "gcc_usb2_sleep_clk",
967 .parent_names = (const char *[]){
968 "gcc_sleep_clk_src",
969 },
970 .num_parents = 1,
971 .ops = &clk_branch2_ops,
972 },
973 },
974};
975
976static struct clk_branch gcc_usb2_mock_utmi_clk = {
977 .halt_reg = 0x1e014,
978 .clkr = {
979 .enable_reg = 0x1e014,
980 .enable_mask = BIT(0),
981 .hw.init = &(struct clk_init_data){
982 .name = "gcc_usb2_mock_utmi_clk",
983 .parent_names = (const char *[]){
984 "usb30_mock_utmi_clk_src",
985 },
986 .num_parents = 1,
987 .ops = &clk_branch2_ops,
988 .flags = CLK_SET_RATE_PARENT,
989 },
990 },
991};
992
993static const struct freq_tbl ftbl_gcc_usb30_mock_utmi_clk[] = {
Matthew McClintockbc95d4f2016-03-23 17:04:59 -0500994 F(2000000, P_FEPLL200, 10, 0, 0),
Varadarajan Narayanan6971e862015-11-19 17:19:29 -0600995 { }
996};
997
998static struct clk_rcg2 usb30_mock_utmi_clk_src = {
999 .cmd_rcgr = 0x1e000,
1000 .hid_width = 5,
1001 .parent_map = gcc_xo_200_map,
1002 .freq_tbl = ftbl_gcc_usb30_mock_utmi_clk,
1003 .clkr.hw.init = &(struct clk_init_data){
1004 .name = "usb30_mock_utmi_clk_src",
1005 .parent_names = gcc_xo_200,
1006 .num_parents = 2,
1007 .ops = &clk_rcg2_ops,
1008 },
1009};
1010
1011static struct clk_branch gcc_usb3_master_clk = {
1012 .halt_reg = 0x1e028,
1013 .clkr = {
1014 .enable_reg = 0x1e028,
1015 .enable_mask = BIT(0),
1016 .hw.init = &(struct clk_init_data){
1017 .name = "gcc_usb3_master_clk",
1018 .parent_names = (const char *[]){
1019 "fepll125",
1020 },
1021 .num_parents = 1,
1022 .ops = &clk_branch2_ops,
1023 },
1024 },
1025};
1026
1027static struct clk_branch gcc_usb3_sleep_clk = {
1028 .halt_reg = 0x1e02C,
1029 .clkr = {
1030 .enable_reg = 0x1e02C,
1031 .enable_mask = BIT(0),
1032 .hw.init = &(struct clk_init_data){
1033 .name = "gcc_usb3_sleep_clk",
1034 .parent_names = (const char *[]){
1035 "gcc_sleep_clk_src",
1036 },
1037 .num_parents = 1,
1038 .ops = &clk_branch2_ops,
1039 },
1040 },
1041};
1042
1043static struct clk_branch gcc_usb3_mock_utmi_clk = {
1044 .halt_reg = 0x1e030,
1045 .clkr = {
1046 .enable_reg = 0x1e030,
1047 .enable_mask = BIT(0),
1048 .hw.init = &(struct clk_init_data){
1049 .name = "gcc_usb3_mock_utmi_clk",
1050 .parent_names = (const char *[]){
1051 "usb30_mock_utmi_clk_src",
1052 },
1053 .num_parents = 1,
1054 .ops = &clk_branch2_ops,
1055 .flags = CLK_SET_RATE_PARENT,
1056 },
1057 },
1058};
1059
1060static const struct freq_tbl ftbl_gcc_fephy_dly_clk[] = {
Matthew McClintockbc95d4f2016-03-23 17:04:59 -05001061 F(125000000, P_FEPLL125DLY, 1, 0, 0),
Varadarajan Narayanan6971e862015-11-19 17:19:29 -06001062 { }
1063};
1064
1065static struct clk_rcg2 fephy_125m_dly_clk_src = {
1066 .cmd_rcgr = 0x12000,
1067 .hid_width = 5,
1068 .parent_map = gcc_xo_125_dly_map,
1069 .freq_tbl = ftbl_gcc_fephy_dly_clk,
1070 .clkr.hw.init = &(struct clk_init_data){
1071 .name = "fephy_125m_dly_clk_src",
1072 .parent_names = gcc_xo_125_dly,
1073 .num_parents = 2,
1074 .ops = &clk_rcg2_ops,
1075 },
1076};
1077
1078
1079static const struct freq_tbl ftbl_gcc_wcss2g_clk[] = {
1080 F(48000000, P_XO, 1, 0, 0),
Matthew McClintockbc95d4f2016-03-23 17:04:59 -05001081 F(250000000, P_FEPLLWCSS2G, 1, 0, 0),
Varadarajan Narayanan6971e862015-11-19 17:19:29 -06001082 { }
1083};
1084
1085static struct clk_rcg2 wcss2g_clk_src = {
1086 .cmd_rcgr = 0x1f000,
1087 .hid_width = 5,
1088 .freq_tbl = ftbl_gcc_wcss2g_clk,
1089 .parent_map = gcc_xo_wcss2g_map,
1090 .clkr.hw.init = &(struct clk_init_data){
1091 .name = "wcss2g_clk_src",
1092 .parent_names = gcc_xo_wcss2g,
1093 .num_parents = 2,
1094 .ops = &clk_rcg2_ops,
1095 .flags = CLK_SET_RATE_PARENT,
1096 },
1097};
1098
1099static struct clk_branch gcc_wcss2g_clk = {
1100 .halt_reg = 0x1f00C,
1101 .clkr = {
1102 .enable_reg = 0x1f00C,
1103 .enable_mask = BIT(0),
1104 .hw.init = &(struct clk_init_data){
1105 .name = "gcc_wcss2g_clk",
1106 .parent_names = (const char *[]){
1107 "wcss2g_clk_src",
1108 },
1109 .num_parents = 1,
1110 .ops = &clk_branch2_ops,
1111 .flags = CLK_SET_RATE_PARENT,
1112 },
1113 },
1114};
1115
1116static struct clk_branch gcc_wcss2g_ref_clk = {
1117 .halt_reg = 0x1f00C,
1118 .clkr = {
1119 .enable_reg = 0x1f00C,
1120 .enable_mask = BIT(0),
1121 .hw.init = &(struct clk_init_data){
1122 .name = "gcc_wcss2g_ref_clk",
1123 .parent_names = (const char *[]){
1124 "xo",
1125 },
1126 .num_parents = 1,
1127 .ops = &clk_branch2_ops,
1128 .flags = CLK_SET_RATE_PARENT,
1129 },
1130 },
1131};
1132
1133static struct clk_branch gcc_wcss2g_rtc_clk = {
1134 .halt_reg = 0x1f010,
1135 .clkr = {
1136 .enable_reg = 0x1f010,
1137 .enable_mask = BIT(0),
1138 .hw.init = &(struct clk_init_data){
1139 .name = "gcc_wcss2g_rtc_clk",
1140 .parent_names = (const char *[]){
1141 "gcc_sleep_clk_src",
1142 },
1143 .num_parents = 1,
1144 .ops = &clk_branch2_ops,
1145 },
1146 },
1147};
1148
1149static const struct freq_tbl ftbl_gcc_wcss5g_clk[] = {
1150 F(48000000, P_XO, 1, 0, 0),
Matthew McClintockbc95d4f2016-03-23 17:04:59 -05001151 F(250000000, P_FEPLLWCSS5G, 1, 0, 0),
Varadarajan Narayanan6971e862015-11-19 17:19:29 -06001152 { }
1153};
1154
1155static struct clk_rcg2 wcss5g_clk_src = {
1156 .cmd_rcgr = 0x20000,
1157 .hid_width = 5,
1158 .parent_map = gcc_xo_wcss5g_map,
1159 .freq_tbl = ftbl_gcc_wcss5g_clk,
1160 .clkr.hw.init = &(struct clk_init_data){
1161 .name = "wcss5g_clk_src",
1162 .parent_names = gcc_xo_wcss5g,
1163 .num_parents = 2,
1164 .ops = &clk_rcg2_ops,
1165 },
1166};
1167
1168static struct clk_branch gcc_wcss5g_clk = {
1169 .halt_reg = 0x2000c,
1170 .clkr = {
1171 .enable_reg = 0x2000c,
1172 .enable_mask = BIT(0),
1173 .hw.init = &(struct clk_init_data){
1174 .name = "gcc_wcss5g_clk",
1175 .parent_names = (const char *[]){
1176 "wcss5g_clk_src",
1177 },
1178 .num_parents = 1,
1179 .ops = &clk_branch2_ops,
1180 .flags = CLK_SET_RATE_PARENT,
1181 },
1182 },
1183};
1184
1185static struct clk_branch gcc_wcss5g_ref_clk = {
1186 .halt_reg = 0x2000c,
1187 .clkr = {
1188 .enable_reg = 0x2000c,
1189 .enable_mask = BIT(0),
1190 .hw.init = &(struct clk_init_data){
1191 .name = "gcc_wcss5g_ref_clk",
1192 .parent_names = (const char *[]){
1193 "xo",
1194 },
1195 .num_parents = 1,
1196 .ops = &clk_branch2_ops,
1197 .flags = CLK_SET_RATE_PARENT,
1198 },
1199 },
1200};
1201
1202static struct clk_branch gcc_wcss5g_rtc_clk = {
1203 .halt_reg = 0x20010,
1204 .clkr = {
1205 .enable_reg = 0x20010,
1206 .enable_mask = BIT(0),
1207 .hw.init = &(struct clk_init_data){
1208 .name = "gcc_wcss5g_rtc_clk",
1209 .parent_names = (const char *[]){
1210 "gcc_sleep_clk_src",
1211 },
1212 .num_parents = 1,
1213 .ops = &clk_branch2_ops,
1214 .flags = CLK_SET_RATE_PARENT,
1215 },
1216 },
1217};
1218
Abhishek Sahu4577aa02016-11-25 21:11:28 +05301219/* Calculates the VCO rate for FEPLL. */
1220static u64 clk_fepll_vco_calc_rate(struct clk_fepll *pll_div,
1221 unsigned long parent_rate)
1222{
1223 const struct clk_fepll_vco *pll_vco = pll_div->pll_vco;
1224 u32 fdbkdiv, refclkdiv, cdiv;
1225 u64 vco;
1226
1227 regmap_read(pll_div->cdiv.clkr.regmap, pll_vco->reg, &cdiv);
1228 refclkdiv = (cdiv >> pll_vco->refclkdiv_shift) &
1229 (BIT(pll_vco->refclkdiv_width) - 1);
1230 fdbkdiv = (cdiv >> pll_vco->fdbkdiv_shift) &
1231 (BIT(pll_vco->fdbkdiv_width) - 1);
1232
1233 vco = parent_rate / refclkdiv;
1234 vco *= 2;
1235 vco *= fdbkdiv;
1236
1237 return vco;
1238}
1239
1240static const struct clk_fepll_vco gcc_apss_ddrpll_vco = {
1241 .fdbkdiv_shift = 16,
1242 .fdbkdiv_width = 8,
1243 .refclkdiv_shift = 24,
1244 .refclkdiv_width = 5,
1245 .reg = 0x2e020,
1246};
1247
1248static const struct clk_fepll_vco gcc_fepll_vco = {
1249 .fdbkdiv_shift = 16,
1250 .fdbkdiv_width = 8,
1251 .refclkdiv_shift = 24,
1252 .refclkdiv_width = 5,
1253 .reg = 0x2f020,
1254};
1255
Abhishek Sahud83dcac2016-11-25 21:11:29 +05301256/*
1257 * Round rate function for APSS CPU PLL Clock divider.
1258 * It looks up the frequency table and returns the next higher frequency
1259 * supported in hardware.
1260 */
1261static long clk_cpu_div_round_rate(struct clk_hw *hw, unsigned long rate,
1262 unsigned long *p_rate)
1263{
1264 struct clk_fepll *pll = to_clk_fepll(hw);
1265 struct clk_hw *p_hw;
1266 const struct freq_tbl *f;
1267
1268 f = qcom_find_freq(pll->freq_tbl, rate);
1269 if (!f)
1270 return -EINVAL;
1271
1272 p_hw = clk_hw_get_parent_by_index(hw, f->src);
1273 *p_rate = clk_hw_get_rate(p_hw);
1274
1275 return f->freq;
1276};
1277
1278/*
1279 * Clock set rate function for APSS CPU PLL Clock divider.
1280 * It looks up the frequency table and updates the PLL divider to corresponding
1281 * divider value.
1282 */
1283static int clk_cpu_div_set_rate(struct clk_hw *hw, unsigned long rate,
1284 unsigned long parent_rate)
1285{
1286 struct clk_fepll *pll = to_clk_fepll(hw);
1287 const struct freq_tbl *f;
1288 u32 mask;
1289 int ret;
1290
1291 f = qcom_find_freq(pll->freq_tbl, rate);
1292 if (!f)
1293 return -EINVAL;
1294
1295 mask = (BIT(pll->cdiv.width) - 1) << pll->cdiv.shift;
1296 ret = regmap_update_bits(pll->cdiv.clkr.regmap,
1297 pll->cdiv.reg, mask,
1298 f->pre_div << pll->cdiv.shift);
1299 /*
1300 * There is no status bit which can be checked for successful CPU
1301 * divider update operation so using delay for the same.
1302 */
1303 udelay(1);
1304
1305 return 0;
1306};
1307
1308/*
1309 * Clock frequency calculation function for APSS CPU PLL Clock divider.
1310 * This clock divider is nonlinear so this function calculates the actual
1311 * divider and returns the output frequency by dividing VCO Frequency
1312 * with this actual divider value.
1313 */
1314static unsigned long
1315clk_cpu_div_recalc_rate(struct clk_hw *hw,
1316 unsigned long parent_rate)
1317{
1318 struct clk_fepll *pll = to_clk_fepll(hw);
1319 u32 cdiv, pre_div;
1320 u64 rate;
1321
1322 regmap_read(pll->cdiv.clkr.regmap, pll->cdiv.reg, &cdiv);
1323 cdiv = (cdiv >> pll->cdiv.shift) & (BIT(pll->cdiv.width) - 1);
1324
1325 /*
1326 * Some dividers have value in 0.5 fraction so multiply both VCO
1327 * frequency(parent_rate) and pre_div with 2 to make integer
1328 * calculation.
1329 */
1330 if (cdiv > 10)
1331 pre_div = (cdiv + 1) * 2;
1332 else
1333 pre_div = cdiv + 12;
1334
1335 rate = clk_fepll_vco_calc_rate(pll, parent_rate) * 2;
1336 do_div(rate, pre_div);
1337
1338 return rate;
1339};
1340
1341static const struct clk_ops clk_regmap_cpu_div_ops = {
1342 .round_rate = clk_cpu_div_round_rate,
1343 .set_rate = clk_cpu_div_set_rate,
1344 .recalc_rate = clk_cpu_div_recalc_rate,
1345};
1346
1347static const struct freq_tbl ftbl_apss_ddr_pll[] = {
1348 { 384000000, P_XO, 0xd, 0, 0 },
1349 { 413000000, P_XO, 0xc, 0, 0 },
1350 { 448000000, P_XO, 0xb, 0, 0 },
1351 { 488000000, P_XO, 0xa, 0, 0 },
1352 { 512000000, P_XO, 0x9, 0, 0 },
1353 { 537000000, P_XO, 0x8, 0, 0 },
1354 { 565000000, P_XO, 0x7, 0, 0 },
1355 { 597000000, P_XO, 0x6, 0, 0 },
1356 { 632000000, P_XO, 0x5, 0, 0 },
1357 { 672000000, P_XO, 0x4, 0, 0 },
1358 { 716000000, P_XO, 0x3, 0, 0 },
1359 { 768000000, P_XO, 0x2, 0, 0 },
1360 { 823000000, P_XO, 0x1, 0, 0 },
1361 { 896000000, P_XO, 0x0, 0, 0 },
1362 { }
1363};
1364
1365static struct clk_fepll gcc_apss_cpu_plldiv_clk = {
1366 .cdiv.reg = 0x2e020,
1367 .cdiv.shift = 4,
1368 .cdiv.width = 4,
1369 .cdiv.clkr = {
1370 .enable_reg = 0x2e000,
1371 .enable_mask = BIT(0),
1372 .hw.init = &(struct clk_init_data){
1373 .name = "ddrpllapss",
1374 .parent_names = (const char *[]){
1375 "xo",
1376 },
1377 .num_parents = 1,
1378 .ops = &clk_regmap_cpu_div_ops,
1379 },
1380 },
1381 .freq_tbl = ftbl_apss_ddr_pll,
1382 .pll_vco = &gcc_apss_ddrpll_vco,
1383};
1384
Abhishek Sahu4577aa02016-11-25 21:11:28 +05301385/* Calculates the rate for PLL divider.
1386 * If the divider value is not fixed then it gets the actual divider value
1387 * from divider table. Then, it calculate the clock rate by dividing the
1388 * parent rate with actual divider value.
1389 */
1390static unsigned long
1391clk_regmap_clk_div_recalc_rate(struct clk_hw *hw,
1392 unsigned long parent_rate)
1393{
1394 struct clk_fepll *pll = to_clk_fepll(hw);
1395 u32 cdiv, pre_div = 1;
1396 u64 rate;
1397 const struct clk_div_table *clkt;
1398
1399 if (pll->fixed_div) {
1400 pre_div = pll->fixed_div;
1401 } else {
1402 regmap_read(pll->cdiv.clkr.regmap, pll->cdiv.reg, &cdiv);
1403 cdiv = (cdiv >> pll->cdiv.shift) & (BIT(pll->cdiv.width) - 1);
1404
1405 for (clkt = pll->div_table; clkt->div; clkt++) {
1406 if (clkt->val == cdiv)
1407 pre_div = clkt->div;
1408 }
1409 }
1410
1411 rate = clk_fepll_vco_calc_rate(pll, parent_rate);
1412 do_div(rate, pre_div);
1413
1414 return rate;
1415};
1416
1417static const struct clk_ops clk_fepll_div_ops = {
1418 .recalc_rate = clk_regmap_clk_div_recalc_rate,
1419};
1420
1421static struct clk_fepll gcc_apss_sdcc_clk = {
1422 .fixed_div = 28,
1423 .cdiv.clkr = {
1424 .hw.init = &(struct clk_init_data){
1425 .name = "ddrpllsdcc",
1426 .parent_names = (const char *[]){
1427 "xo",
1428 },
1429 .num_parents = 1,
1430 .ops = &clk_fepll_div_ops,
1431 },
1432 },
1433 .pll_vco = &gcc_apss_ddrpll_vco,
1434};
1435
1436static struct clk_fepll gcc_fepll125_clk = {
1437 .fixed_div = 32,
1438 .cdiv.clkr = {
1439 .hw.init = &(struct clk_init_data){
1440 .name = "fepll125",
1441 .parent_names = (const char *[]){
1442 "xo",
1443 },
1444 .num_parents = 1,
1445 .ops = &clk_fepll_div_ops,
1446 },
1447 },
1448 .pll_vco = &gcc_fepll_vco,
1449};
1450
1451static struct clk_fepll gcc_fepll125dly_clk = {
1452 .fixed_div = 32,
1453 .cdiv.clkr = {
1454 .hw.init = &(struct clk_init_data){
1455 .name = "fepll125dly",
1456 .parent_names = (const char *[]){
1457 "xo",
1458 },
1459 .num_parents = 1,
1460 .ops = &clk_fepll_div_ops,
1461 },
1462 },
1463 .pll_vco = &gcc_fepll_vco,
1464};
1465
1466static struct clk_fepll gcc_fepll200_clk = {
1467 .fixed_div = 20,
1468 .cdiv.clkr = {
1469 .hw.init = &(struct clk_init_data){
1470 .name = "fepll200",
1471 .parent_names = (const char *[]){
1472 "xo",
1473 },
1474 .num_parents = 1,
1475 .ops = &clk_fepll_div_ops,
1476 },
1477 },
1478 .pll_vco = &gcc_fepll_vco,
1479};
1480
1481static struct clk_fepll gcc_fepll500_clk = {
1482 .fixed_div = 8,
1483 .cdiv.clkr = {
1484 .hw.init = &(struct clk_init_data){
1485 .name = "fepll500",
1486 .parent_names = (const char *[]){
1487 "xo",
1488 },
1489 .num_parents = 1,
1490 .ops = &clk_fepll_div_ops,
1491 },
1492 },
1493 .pll_vco = &gcc_fepll_vco,
1494};
1495
1496static const struct clk_div_table fepllwcss_clk_div_table[] = {
1497 { 0, 15 },
1498 { 1, 16 },
1499 { 2, 18 },
1500 { 3, 20 },
1501 { },
1502};
1503
1504static struct clk_fepll gcc_fepllwcss2g_clk = {
1505 .cdiv.reg = 0x2f020,
1506 .cdiv.shift = 8,
1507 .cdiv.width = 2,
1508 .cdiv.clkr = {
1509 .hw.init = &(struct clk_init_data){
1510 .name = "fepllwcss2g",
1511 .parent_names = (const char *[]){
1512 "xo",
1513 },
1514 .num_parents = 1,
1515 .ops = &clk_fepll_div_ops,
1516 },
1517 },
1518 .div_table = fepllwcss_clk_div_table,
1519 .pll_vco = &gcc_fepll_vco,
1520};
1521
1522static struct clk_fepll gcc_fepllwcss5g_clk = {
1523 .cdiv.reg = 0x2f020,
1524 .cdiv.shift = 12,
1525 .cdiv.width = 2,
1526 .cdiv.clkr = {
1527 .hw.init = &(struct clk_init_data){
1528 .name = "fepllwcss5g",
1529 .parent_names = (const char *[]){
1530 "xo",
1531 },
1532 .num_parents = 1,
1533 .ops = &clk_fepll_div_ops,
1534 },
1535 },
1536 .div_table = fepllwcss_clk_div_table,
1537 .pll_vco = &gcc_fepll_vco,
1538};
1539
Abhishek Sahu5c1a9692016-11-25 21:11:30 +05301540static const struct freq_tbl ftbl_gcc_pcnoc_ahb_clk[] = {
1541 F(48000000, P_XO, 1, 0, 0),
1542 F(100000000, P_FEPLL200, 2, 0, 0),
1543 { }
1544};
1545
1546static struct clk_rcg2 gcc_pcnoc_ahb_clk_src = {
1547 .cmd_rcgr = 0x21024,
1548 .hid_width = 5,
1549 .parent_map = gcc_xo_200_500_map,
1550 .freq_tbl = ftbl_gcc_pcnoc_ahb_clk,
1551 .clkr.hw.init = &(struct clk_init_data){
1552 .name = "gcc_pcnoc_ahb_clk_src",
1553 .parent_names = gcc_xo_200_500,
1554 .num_parents = 3,
1555 .ops = &clk_rcg2_ops,
1556 },
1557};
1558
1559static struct clk_branch pcnoc_clk_src = {
1560 .halt_reg = 0x21030,
1561 .clkr = {
1562 .enable_reg = 0x21030,
1563 .enable_mask = BIT(0),
1564 .hw.init = &(struct clk_init_data){
1565 .name = "pcnoc_clk_src",
1566 .parent_names = (const char *[]){
1567 "gcc_pcnoc_ahb_clk_src",
1568 },
1569 .num_parents = 1,
1570 .ops = &clk_branch2_ops,
1571 .flags = CLK_SET_RATE_PARENT |
1572 CLK_IS_CRITICAL,
1573 },
1574 },
1575};
1576
Varadarajan Narayanan6971e862015-11-19 17:19:29 -06001577static struct clk_regmap *gcc_ipq4019_clocks[] = {
1578 [AUDIO_CLK_SRC] = &audio_clk_src.clkr,
1579 [BLSP1_QUP1_I2C_APPS_CLK_SRC] = &blsp1_qup1_i2c_apps_clk_src.clkr,
1580 [BLSP1_QUP1_SPI_APPS_CLK_SRC] = &blsp1_qup1_spi_apps_clk_src.clkr,
1581 [BLSP1_QUP2_I2C_APPS_CLK_SRC] = &blsp1_qup2_i2c_apps_clk_src.clkr,
1582 [BLSP1_QUP2_SPI_APPS_CLK_SRC] = &blsp1_qup2_spi_apps_clk_src.clkr,
1583 [BLSP1_UART1_APPS_CLK_SRC] = &blsp1_uart1_apps_clk_src.clkr,
1584 [BLSP1_UART2_APPS_CLK_SRC] = &blsp1_uart2_apps_clk_src.clkr,
1585 [GCC_USB3_MOCK_UTMI_CLK_SRC] = &usb30_mock_utmi_clk_src.clkr,
1586 [GCC_APPS_CLK_SRC] = &apps_clk_src.clkr,
1587 [GCC_APPS_AHB_CLK_SRC] = &apps_ahb_clk_src.clkr,
1588 [GP1_CLK_SRC] = &gp1_clk_src.clkr,
1589 [GP2_CLK_SRC] = &gp2_clk_src.clkr,
1590 [GP3_CLK_SRC] = &gp3_clk_src.clkr,
1591 [SDCC1_APPS_CLK_SRC] = &sdcc1_apps_clk_src.clkr,
1592 [FEPHY_125M_DLY_CLK_SRC] = &fephy_125m_dly_clk_src.clkr,
1593 [WCSS2G_CLK_SRC] = &wcss2g_clk_src.clkr,
1594 [WCSS5G_CLK_SRC] = &wcss5g_clk_src.clkr,
1595 [GCC_APSS_AHB_CLK] = &gcc_apss_ahb_clk.clkr,
1596 [GCC_AUDIO_AHB_CLK] = &gcc_audio_ahb_clk.clkr,
1597 [GCC_AUDIO_PWM_CLK] = &gcc_audio_pwm_clk.clkr,
1598 [GCC_BLSP1_AHB_CLK] = &gcc_blsp1_ahb_clk.clkr,
1599 [GCC_BLSP1_QUP1_I2C_APPS_CLK] = &gcc_blsp1_qup1_i2c_apps_clk.clkr,
1600 [GCC_BLSP1_QUP1_SPI_APPS_CLK] = &gcc_blsp1_qup1_spi_apps_clk.clkr,
1601 [GCC_BLSP1_QUP2_I2C_APPS_CLK] = &gcc_blsp1_qup2_i2c_apps_clk.clkr,
1602 [GCC_BLSP1_QUP2_SPI_APPS_CLK] = &gcc_blsp1_qup2_spi_apps_clk.clkr,
1603 [GCC_BLSP1_UART1_APPS_CLK] = &gcc_blsp1_uart1_apps_clk.clkr,
1604 [GCC_BLSP1_UART2_APPS_CLK] = &gcc_blsp1_uart2_apps_clk.clkr,
1605 [GCC_DCD_XO_CLK] = &gcc_dcd_xo_clk.clkr,
1606 [GCC_GP1_CLK] = &gcc_gp1_clk.clkr,
1607 [GCC_GP2_CLK] = &gcc_gp2_clk.clkr,
1608 [GCC_GP3_CLK] = &gcc_gp3_clk.clkr,
1609 [GCC_BOOT_ROM_AHB_CLK] = &gcc_boot_rom_ahb_clk.clkr,
1610 [GCC_CRYPTO_AHB_CLK] = &gcc_crypto_ahb_clk.clkr,
1611 [GCC_CRYPTO_AXI_CLK] = &gcc_crypto_axi_clk.clkr,
1612 [GCC_CRYPTO_CLK] = &gcc_crypto_clk.clkr,
1613 [GCC_ESS_CLK] = &gcc_ess_clk.clkr,
1614 [GCC_IMEM_AXI_CLK] = &gcc_imem_axi_clk.clkr,
1615 [GCC_IMEM_CFG_AHB_CLK] = &gcc_imem_cfg_ahb_clk.clkr,
1616 [GCC_PCIE_AHB_CLK] = &gcc_pcie_ahb_clk.clkr,
1617 [GCC_PCIE_AXI_M_CLK] = &gcc_pcie_axi_m_clk.clkr,
1618 [GCC_PCIE_AXI_S_CLK] = &gcc_pcie_axi_s_clk.clkr,
1619 [GCC_PRNG_AHB_CLK] = &gcc_prng_ahb_clk.clkr,
1620 [GCC_QPIC_AHB_CLK] = &gcc_qpic_ahb_clk.clkr,
1621 [GCC_QPIC_CLK] = &gcc_qpic_clk.clkr,
1622 [GCC_SDCC1_AHB_CLK] = &gcc_sdcc1_ahb_clk.clkr,
1623 [GCC_SDCC1_APPS_CLK] = &gcc_sdcc1_apps_clk.clkr,
1624 [GCC_TLMM_AHB_CLK] = &gcc_tlmm_ahb_clk.clkr,
1625 [GCC_USB2_MASTER_CLK] = &gcc_usb2_master_clk.clkr,
1626 [GCC_USB2_SLEEP_CLK] = &gcc_usb2_sleep_clk.clkr,
1627 [GCC_USB2_MOCK_UTMI_CLK] = &gcc_usb2_mock_utmi_clk.clkr,
1628 [GCC_USB3_MASTER_CLK] = &gcc_usb3_master_clk.clkr,
1629 [GCC_USB3_SLEEP_CLK] = &gcc_usb3_sleep_clk.clkr,
1630 [GCC_USB3_MOCK_UTMI_CLK] = &gcc_usb3_mock_utmi_clk.clkr,
1631 [GCC_WCSS2G_CLK] = &gcc_wcss2g_clk.clkr,
1632 [GCC_WCSS2G_REF_CLK] = &gcc_wcss2g_ref_clk.clkr,
1633 [GCC_WCSS2G_RTC_CLK] = &gcc_wcss2g_rtc_clk.clkr,
1634 [GCC_WCSS5G_CLK] = &gcc_wcss5g_clk.clkr,
1635 [GCC_WCSS5G_REF_CLK] = &gcc_wcss5g_ref_clk.clkr,
1636 [GCC_WCSS5G_RTC_CLK] = &gcc_wcss5g_rtc_clk.clkr,
Abhishek Sahu4577aa02016-11-25 21:11:28 +05301637 [GCC_SDCC_PLLDIV_CLK] = &gcc_apss_sdcc_clk.cdiv.clkr,
1638 [GCC_FEPLL125_CLK] = &gcc_fepll125_clk.cdiv.clkr,
1639 [GCC_FEPLL125DLY_CLK] = &gcc_fepll125dly_clk.cdiv.clkr,
1640 [GCC_FEPLL200_CLK] = &gcc_fepll200_clk.cdiv.clkr,
1641 [GCC_FEPLL500_CLK] = &gcc_fepll500_clk.cdiv.clkr,
1642 [GCC_FEPLL_WCSS2G_CLK] = &gcc_fepllwcss2g_clk.cdiv.clkr,
1643 [GCC_FEPLL_WCSS5G_CLK] = &gcc_fepllwcss5g_clk.cdiv.clkr,
Abhishek Sahud83dcac2016-11-25 21:11:29 +05301644 [GCC_APSS_CPU_PLLDIV_CLK] = &gcc_apss_cpu_plldiv_clk.cdiv.clkr,
Abhishek Sahu5c1a9692016-11-25 21:11:30 +05301645 [GCC_PCNOC_AHB_CLK_SRC] = &gcc_pcnoc_ahb_clk_src.clkr,
1646 [GCC_PCNOC_AHB_CLK] = &pcnoc_clk_src.clkr,
Varadarajan Narayanan6971e862015-11-19 17:19:29 -06001647};
1648
1649static const struct qcom_reset_map gcc_ipq4019_resets[] = {
1650 [WIFI0_CPU_INIT_RESET] = { 0x1f008, 5 },
1651 [WIFI0_RADIO_SRIF_RESET] = { 0x1f008, 4 },
1652 [WIFI0_RADIO_WARM_RESET] = { 0x1f008, 3 },
1653 [WIFI0_RADIO_COLD_RESET] = { 0x1f008, 2 },
1654 [WIFI0_CORE_WARM_RESET] = { 0x1f008, 1 },
1655 [WIFI0_CORE_COLD_RESET] = { 0x1f008, 0 },
1656 [WIFI1_CPU_INIT_RESET] = { 0x20008, 5 },
1657 [WIFI1_RADIO_SRIF_RESET] = { 0x20008, 4 },
1658 [WIFI1_RADIO_WARM_RESET] = { 0x20008, 3 },
1659 [WIFI1_RADIO_COLD_RESET] = { 0x20008, 2 },
1660 [WIFI1_CORE_WARM_RESET] = { 0x20008, 1 },
1661 [WIFI1_CORE_COLD_RESET] = { 0x20008, 0 },
1662 [USB3_UNIPHY_PHY_ARES] = { 0x1e038, 5 },
1663 [USB3_HSPHY_POR_ARES] = { 0x1e038, 4 },
1664 [USB3_HSPHY_S_ARES] = { 0x1e038, 2 },
1665 [USB2_HSPHY_POR_ARES] = { 0x1e01c, 4 },
1666 [USB2_HSPHY_S_ARES] = { 0x1e01c, 2 },
1667 [PCIE_PHY_AHB_ARES] = { 0x1d010, 11 },
1668 [PCIE_AHB_ARES] = { 0x1d010, 10 },
1669 [PCIE_PWR_ARES] = { 0x1d010, 9 },
1670 [PCIE_PIPE_STICKY_ARES] = { 0x1d010, 8 },
1671 [PCIE_AXI_M_STICKY_ARES] = { 0x1d010, 7 },
1672 [PCIE_PHY_ARES] = { 0x1d010, 6 },
1673 [PCIE_PARF_XPU_ARES] = { 0x1d010, 5 },
1674 [PCIE_AXI_S_XPU_ARES] = { 0x1d010, 4 },
1675 [PCIE_AXI_M_VMIDMT_ARES] = { 0x1d010, 3 },
1676 [PCIE_PIPE_ARES] = { 0x1d010, 2 },
1677 [PCIE_AXI_S_ARES] = { 0x1d010, 1 },
1678 [PCIE_AXI_M_ARES] = { 0x1d010, 0 },
1679 [ESS_RESET] = { 0x12008, 0},
1680 [GCC_BLSP1_BCR] = {0x01000, 0},
1681 [GCC_BLSP1_QUP1_BCR] = {0x02000, 0},
1682 [GCC_BLSP1_UART1_BCR] = {0x02038, 0},
1683 [GCC_BLSP1_QUP2_BCR] = {0x03008, 0},
1684 [GCC_BLSP1_UART2_BCR] = {0x03028, 0},
1685 [GCC_BIMC_BCR] = {0x04000, 0},
1686 [GCC_TLMM_BCR] = {0x05000, 0},
1687 [GCC_IMEM_BCR] = {0x0E000, 0},
1688 [GCC_ESS_BCR] = {0x12008, 0},
1689 [GCC_PRNG_BCR] = {0x13000, 0},
1690 [GCC_BOOT_ROM_BCR] = {0x13008, 0},
1691 [GCC_CRYPTO_BCR] = {0x16000, 0},
1692 [GCC_SDCC1_BCR] = {0x18000, 0},
1693 [GCC_SEC_CTRL_BCR] = {0x1A000, 0},
1694 [GCC_AUDIO_BCR] = {0x1B008, 0},
1695 [GCC_QPIC_BCR] = {0x1C000, 0},
1696 [GCC_PCIE_BCR] = {0x1D000, 0},
1697 [GCC_USB2_BCR] = {0x1E008, 0},
1698 [GCC_USB2_PHY_BCR] = {0x1E018, 0},
1699 [GCC_USB3_BCR] = {0x1E024, 0},
1700 [GCC_USB3_PHY_BCR] = {0x1E034, 0},
1701 [GCC_SYSTEM_NOC_BCR] = {0x21000, 0},
1702 [GCC_PCNOC_BCR] = {0x2102C, 0},
1703 [GCC_DCD_BCR] = {0x21038, 0},
1704 [GCC_SNOC_BUS_TIMEOUT0_BCR] = {0x21064, 0},
1705 [GCC_SNOC_BUS_TIMEOUT1_BCR] = {0x2106C, 0},
1706 [GCC_SNOC_BUS_TIMEOUT2_BCR] = {0x21074, 0},
1707 [GCC_SNOC_BUS_TIMEOUT3_BCR] = {0x2107C, 0},
1708 [GCC_PCNOC_BUS_TIMEOUT0_BCR] = {0x21084, 0},
1709 [GCC_PCNOC_BUS_TIMEOUT1_BCR] = {0x2108C, 0},
1710 [GCC_PCNOC_BUS_TIMEOUT2_BCR] = {0x21094, 0},
1711 [GCC_PCNOC_BUS_TIMEOUT3_BCR] = {0x2109C, 0},
1712 [GCC_PCNOC_BUS_TIMEOUT4_BCR] = {0x210A4, 0},
1713 [GCC_PCNOC_BUS_TIMEOUT5_BCR] = {0x210AC, 0},
1714 [GCC_PCNOC_BUS_TIMEOUT6_BCR] = {0x210B4, 0},
1715 [GCC_PCNOC_BUS_TIMEOUT7_BCR] = {0x210BC, 0},
1716 [GCC_PCNOC_BUS_TIMEOUT8_BCR] = {0x210C4, 0},
1717 [GCC_PCNOC_BUS_TIMEOUT9_BCR] = {0x210CC, 0},
1718 [GCC_TCSR_BCR] = {0x22000, 0},
1719 [GCC_MPM_BCR] = {0x24000, 0},
1720 [GCC_SPDM_BCR] = {0x25000, 0},
1721};
1722
1723static const struct regmap_config gcc_ipq4019_regmap_config = {
1724 .reg_bits = 32,
1725 .reg_stride = 4,
1726 .val_bits = 32,
Abhishek Sahu4577aa02016-11-25 21:11:28 +05301727 .max_register = 0x2ffff,
Varadarajan Narayanan6971e862015-11-19 17:19:29 -06001728 .fast_io = true,
1729};
1730
1731static const struct qcom_cc_desc gcc_ipq4019_desc = {
1732 .config = &gcc_ipq4019_regmap_config,
1733 .clks = gcc_ipq4019_clocks,
1734 .num_clks = ARRAY_SIZE(gcc_ipq4019_clocks),
1735 .resets = gcc_ipq4019_resets,
1736 .num_resets = ARRAY_SIZE(gcc_ipq4019_resets),
1737};
1738
1739static const struct of_device_id gcc_ipq4019_match_table[] = {
1740 { .compatible = "qcom,gcc-ipq4019" },
1741 { }
1742};
1743MODULE_DEVICE_TABLE(of, gcc_ipq4019_match_table);
1744
Abhishek Sahu395717e2016-12-22 20:10:54 +05301745static int
1746gcc_ipq4019_cpu_clk_notifier_fn(struct notifier_block *nb,
1747 unsigned long action, void *data)
1748{
1749 int err = 0;
1750
1751 if (action == PRE_RATE_CHANGE)
1752 err = clk_rcg2_ops.set_parent(&apps_clk_src.clkr.hw,
1753 gcc_ipq4019_cpu_safe_parent);
1754
1755 return notifier_from_errno(err);
1756}
1757
1758static struct notifier_block gcc_ipq4019_cpu_clk_notifier = {
1759 .notifier_call = gcc_ipq4019_cpu_clk_notifier_fn,
1760};
1761
Varadarajan Narayanan6971e862015-11-19 17:19:29 -06001762static int gcc_ipq4019_probe(struct platform_device *pdev)
1763{
Abhishek Sahu395717e2016-12-22 20:10:54 +05301764 int err;
1765
1766 err = qcom_cc_probe(pdev, &gcc_ipq4019_desc);
1767 if (err)
1768 return err;
1769
1770 return clk_notifier_register(apps_clk_src.clkr.hw.clk,
1771 &gcc_ipq4019_cpu_clk_notifier);
1772}
1773
1774static int gcc_ipq4019_remove(struct platform_device *pdev)
1775{
1776 return clk_notifier_unregister(apps_clk_src.clkr.hw.clk,
1777 &gcc_ipq4019_cpu_clk_notifier);
Varadarajan Narayanan6971e862015-11-19 17:19:29 -06001778}
1779
1780static struct platform_driver gcc_ipq4019_driver = {
1781 .probe = gcc_ipq4019_probe,
Abhishek Sahu395717e2016-12-22 20:10:54 +05301782 .remove = gcc_ipq4019_remove,
Varadarajan Narayanan6971e862015-11-19 17:19:29 -06001783 .driver = {
1784 .name = "qcom,gcc-ipq4019",
Varadarajan Narayanan6971e862015-11-19 17:19:29 -06001785 .of_match_table = gcc_ipq4019_match_table,
1786 },
1787};
1788
1789static int __init gcc_ipq4019_init(void)
1790{
1791 return platform_driver_register(&gcc_ipq4019_driver);
1792}
1793core_initcall(gcc_ipq4019_init);
1794
1795static void __exit gcc_ipq4019_exit(void)
1796{
1797 platform_driver_unregister(&gcc_ipq4019_driver);
1798}
1799module_exit(gcc_ipq4019_exit);
1800
1801MODULE_ALIAS("platform:gcc-ipq4019");
1802MODULE_LICENSE("GPL v2");
1803MODULE_DESCRIPTION("QCOM GCC IPQ4019 driver");