phy: omap-usb2: Remove unneeded ifdef CONFIG_OF guard and of_match_ptr
[deliverable/linux.git] / drivers / phy / phy-ti-pipe3.c
CommitLineData
57f6ce07 1/*
a70143bb 2 * phy-ti-pipe3 - PIPE3 PHY driver.
57f6ce07
KVA
3 *
4 * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * Author: Kishon Vijay Abraham I <kishon@ti.com>
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 */
18
19#include <linux/module.h>
20#include <linux/platform_device.h>
21#include <linux/slab.h>
a70143bb 22#include <linux/phy/phy.h>
57f6ce07
KVA
23#include <linux/of.h>
24#include <linux/clk.h>
25#include <linux/err.h>
a70143bb 26#include <linux/io.h>
57f6ce07
KVA
27#include <linux/pm_runtime.h>
28#include <linux/delay.h>
14da699b 29#include <linux/phy/omap_control_phy.h>
918ee0d2 30#include <linux/of_platform.h>
6e738432 31#include <linux/spinlock.h>
57f6ce07 32
57f6ce07
KVA
33#define PLL_STATUS 0x00000004
34#define PLL_GO 0x00000008
35#define PLL_CONFIGURATION1 0x0000000C
36#define PLL_CONFIGURATION2 0x00000010
37#define PLL_CONFIGURATION3 0x00000014
38#define PLL_CONFIGURATION4 0x00000020
39
40#define PLL_REGM_MASK 0x001FFE00
41#define PLL_REGM_SHIFT 0x9
42#define PLL_REGM_F_MASK 0x0003FFFF
43#define PLL_REGM_F_SHIFT 0x0
44#define PLL_REGN_MASK 0x000001FE
45#define PLL_REGN_SHIFT 0x1
46#define PLL_SELFREQDCO_MASK 0x0000000E
47#define PLL_SELFREQDCO_SHIFT 0x1
48#define PLL_SD_MASK 0x0003FC00
1562864f 49#define PLL_SD_SHIFT 10
57f6ce07 50#define SET_PLL_GO 0x1
629138db
RQ
51#define PLL_LDOPWDN BIT(15)
52#define PLL_TICOPWDN BIT(16)
57f6ce07
KVA
53#define PLL_LOCK 0x2
54#define PLL_IDLE 0x1
55
56/*
57 * This is an Empirical value that works, need to confirm the actual
a70143bb
KVA
58 * value required for the PIPE3PHY_PLL_CONFIGURATION2.PLL_IDLE status
59 * to be correctly reflected in the PIPE3PHY_PLL_STATUS register.
57f6ce07 60 */
629138db
RQ
61#define PLL_IDLE_TIME 100 /* in milliseconds */
62#define PLL_LOCK_TIME 100 /* in milliseconds */
57f6ce07 63
a70143bb
KVA
64struct pipe3_dpll_params {
65 u16 m;
66 u8 n;
67 u8 freq:3;
68 u8 sd;
69 u32 mf;
70};
71
61f54674
RQ
72struct pipe3_dpll_map {
73 unsigned long rate;
74 struct pipe3_dpll_params params;
75};
76
a70143bb
KVA
77struct ti_pipe3 {
78 void __iomem *pll_ctrl_base;
79 struct device *dev;
80 struct device *control_dev;
81 struct clk *wkupclk;
82 struct clk *sys_clk;
1562864f 83 struct clk *refclk;
99bbd48c 84 struct clk *div_clk;
61f54674 85 struct pipe3_dpll_map *dpll_map;
6e738432
RQ
86 bool enabled;
87 spinlock_t lock; /* serialize clock enable/disable */
7f33912d
RQ
88 /* the below flag is needed specifically for SATA */
89 bool refclk_enabled;
a70143bb
KVA
90};
91
61f54674 92static struct pipe3_dpll_map dpll_map_usb[] = {
519c6013
RQ
93 {12000000, {1250, 5, 4, 20, 0} }, /* 12 MHz */
94 {16800000, {3125, 20, 4, 20, 0} }, /* 16.8 MHz */
95 {19200000, {1172, 8, 4, 20, 65537} }, /* 19.2 MHz */
96 {20000000, {1000, 7, 4, 10, 0} }, /* 20 MHz */
97 {26000000, {1250, 12, 4, 20, 0} }, /* 26 MHz */
98 {38400000, {3125, 47, 4, 20, 92843} }, /* 38.4 MHz */
61f54674
RQ
99 { }, /* Terminator */
100};
101
102static struct pipe3_dpll_map dpll_map_sata[] = {
103 {12000000, {1000, 7, 4, 6, 0} }, /* 12 MHz */
104 {16800000, {714, 7, 4, 6, 0} }, /* 16.8 MHz */
105 {19200000, {625, 7, 4, 6, 0} }, /* 19.2 MHz */
106 {20000000, {600, 7, 4, 6, 0} }, /* 20 MHz */
107 {26000000, {461, 7, 4, 6, 0} }, /* 26 MHz */
108 {38400000, {312, 7, 4, 6, 0} }, /* 38.4 MHz */
109 { }, /* Terminator */
57f6ce07
KVA
110};
111
a70143bb
KVA
112static inline u32 ti_pipe3_readl(void __iomem *addr, unsigned offset)
113{
114 return __raw_readl(addr + offset);
115}
116
117static inline void ti_pipe3_writel(void __iomem *addr, unsigned offset,
118 u32 data)
119{
120 __raw_writel(data, addr + offset);
121}
122
61f54674 123static struct pipe3_dpll_params *ti_pipe3_get_dpll_params(struct ti_pipe3 *phy)
519c6013 124{
61f54674
RQ
125 unsigned long rate;
126 struct pipe3_dpll_map *dpll_map = phy->dpll_map;
519c6013 127
61f54674
RQ
128 rate = clk_get_rate(phy->sys_clk);
129
130 for (; dpll_map->rate; dpll_map++) {
131 if (rate == dpll_map->rate)
132 return &dpll_map->params;
519c6013
RQ
133 }
134
61f54674
RQ
135 dev_err(phy->dev, "No DPLL configuration for %lu Hz SYS CLK\n", rate);
136
1b97be8c 137 return NULL;
519c6013
RQ
138}
139
a70143bb
KVA
140static int ti_pipe3_power_off(struct phy *x)
141{
142 struct ti_pipe3 *phy = phy_get_drvdata(x);
a70143bb 143
14da699b 144 omap_control_phy_power(phy->control_dev, 0);
a70143bb
KVA
145
146 return 0;
147}
148
149static int ti_pipe3_power_on(struct phy *x)
57f6ce07 150{
a70143bb 151 struct ti_pipe3 *phy = phy_get_drvdata(x);
57f6ce07 152
629138db 153 omap_control_phy_power(phy->control_dev, 1);
57f6ce07
KVA
154
155 return 0;
156}
157
629138db 158static int ti_pipe3_dpll_wait_lock(struct ti_pipe3 *phy)
57f6ce07
KVA
159{
160 u32 val;
161 unsigned long timeout;
162
629138db 163 timeout = jiffies + msecs_to_jiffies(PLL_LOCK_TIME);
57f6ce07 164 do {
629138db 165 cpu_relax();
a70143bb 166 val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_STATUS);
57f6ce07
KVA
167 if (val & PLL_LOCK)
168 break;
629138db
RQ
169 } while (!time_after(jiffies, timeout));
170
171 if (!(val & PLL_LOCK)) {
172 dev_err(phy->dev, "DPLL failed to lock\n");
173 return -EBUSY;
174 }
175
176 return 0;
57f6ce07
KVA
177}
178
629138db 179static int ti_pipe3_dpll_program(struct ti_pipe3 *phy)
57f6ce07
KVA
180{
181 u32 val;
a70143bb 182 struct pipe3_dpll_params *dpll_params;
57f6ce07 183
61f54674
RQ
184 dpll_params = ti_pipe3_get_dpll_params(phy);
185 if (!dpll_params)
57f6ce07 186 return -EINVAL;
57f6ce07 187
a70143bb 188 val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_CONFIGURATION1);
57f6ce07 189 val &= ~PLL_REGN_MASK;
519c6013 190 val |= dpll_params->n << PLL_REGN_SHIFT;
a70143bb 191 ti_pipe3_writel(phy->pll_ctrl_base, PLL_CONFIGURATION1, val);
57f6ce07 192
a70143bb 193 val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_CONFIGURATION2);
57f6ce07 194 val &= ~PLL_SELFREQDCO_MASK;
519c6013 195 val |= dpll_params->freq << PLL_SELFREQDCO_SHIFT;
a70143bb 196 ti_pipe3_writel(phy->pll_ctrl_base, PLL_CONFIGURATION2, val);
57f6ce07 197
a70143bb 198 val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_CONFIGURATION1);
57f6ce07 199 val &= ~PLL_REGM_MASK;
519c6013 200 val |= dpll_params->m << PLL_REGM_SHIFT;
a70143bb 201 ti_pipe3_writel(phy->pll_ctrl_base, PLL_CONFIGURATION1, val);
57f6ce07 202
a70143bb 203 val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_CONFIGURATION4);
57f6ce07 204 val &= ~PLL_REGM_F_MASK;
519c6013 205 val |= dpll_params->mf << PLL_REGM_F_SHIFT;
a70143bb 206 ti_pipe3_writel(phy->pll_ctrl_base, PLL_CONFIGURATION4, val);
57f6ce07 207
a70143bb 208 val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_CONFIGURATION3);
57f6ce07 209 val &= ~PLL_SD_MASK;
519c6013 210 val |= dpll_params->sd << PLL_SD_SHIFT;
a70143bb 211 ti_pipe3_writel(phy->pll_ctrl_base, PLL_CONFIGURATION3, val);
57f6ce07 212
629138db 213 ti_pipe3_writel(phy->pll_ctrl_base, PLL_GO, SET_PLL_GO);
57f6ce07 214
629138db 215 return ti_pipe3_dpll_wait_lock(phy);
57f6ce07
KVA
216}
217
a70143bb 218static int ti_pipe3_init(struct phy *x)
57f6ce07 219{
a70143bb 220 struct ti_pipe3 *phy = phy_get_drvdata(x);
629138db
RQ
221 u32 val;
222 int ret = 0;
519c6013 223
0bc09f9c
V
224 /*
225 * Set pcie_pcs register to 0x96 for proper functioning of phy
226 * as recommended in AM572x TRM SPRUHZ6, section 18.5.2.2, table
227 * 18-1804.
228 */
f0e2cf7b 229 if (of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-pcie")) {
0bc09f9c 230 omap_control_pcie_pcs(phy->control_dev, 0x96);
99bbd48c 231 return 0;
f0e2cf7b 232 }
99bbd48c 233
629138db
RQ
234 /* Bring it out of IDLE if it is IDLE */
235 val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_CONFIGURATION2);
236 if (val & PLL_IDLE) {
237 val &= ~PLL_IDLE;
238 ti_pipe3_writel(phy->pll_ctrl_base, PLL_CONFIGURATION2, val);
239 ret = ti_pipe3_dpll_wait_lock(phy);
240 }
57f6ce07 241
629138db
RQ
242 /* Program the DPLL only if not locked */
243 val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_STATUS);
244 if (!(val & PLL_LOCK))
245 if (ti_pipe3_dpll_program(phy))
246 return -EINVAL;
57f6ce07 247
629138db 248 return ret;
57f6ce07
KVA
249}
250
629138db
RQ
251static int ti_pipe3_exit(struct phy *x)
252{
253 struct ti_pipe3 *phy = phy_get_drvdata(x);
254 u32 val;
255 unsigned long timeout;
256
99bbd48c
KVA
257 /* SATA DPLL can't be powered down due to Errata i783 and PCIe
258 * does not have internal DPLL
259 */
260 if (of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-sata") ||
261 of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-pcie"))
56042e4e
RQ
262 return 0;
263
629138db
RQ
264 /* Put DPLL in IDLE mode */
265 val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_CONFIGURATION2);
266 val |= PLL_IDLE;
267 ti_pipe3_writel(phy->pll_ctrl_base, PLL_CONFIGURATION2, val);
268
269 /* wait for LDO and Oscillator to power down */
270 timeout = jiffies + msecs_to_jiffies(PLL_IDLE_TIME);
271 do {
272 cpu_relax();
273 val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_STATUS);
274 if ((val & PLL_TICOPWDN) && (val & PLL_LDOPWDN))
275 break;
276 } while (!time_after(jiffies, timeout));
277
278 if (!(val & PLL_TICOPWDN) || !(val & PLL_LDOPWDN)) {
279 dev_err(phy->dev, "Failed to power down: PLL_STATUS 0x%x\n",
280 val);
281 return -EBUSY;
282 }
283
284 return 0;
285}
a70143bb
KVA
286static struct phy_ops ops = {
287 .init = ti_pipe3_init,
629138db 288 .exit = ti_pipe3_exit,
a70143bb
KVA
289 .power_on = ti_pipe3_power_on,
290 .power_off = ti_pipe3_power_off,
291 .owner = THIS_MODULE,
292};
293
61f54674
RQ
294#ifdef CONFIG_OF
295static const struct of_device_id ti_pipe3_id_table[];
296#endif
297
a70143bb 298static int ti_pipe3_probe(struct platform_device *pdev)
57f6ce07 299{
a70143bb
KVA
300 struct ti_pipe3 *phy;
301 struct phy *generic_phy;
302 struct phy_provider *phy_provider;
918ee0d2
RQ
303 struct resource *res;
304 struct device_node *node = pdev->dev.of_node;
305 struct device_node *control_node;
306 struct platform_device *control_pdev;
61f54674 307 const struct of_device_id *match;
99bbd48c 308 struct clk *clk;
57f6ce07
KVA
309
310 phy = devm_kzalloc(&pdev->dev, sizeof(*phy), GFP_KERNEL);
3a4cfcbb 311 if (!phy)
57f6ce07 312 return -ENOMEM;
3a4cfcbb 313
99bbd48c 314 phy->dev = &pdev->dev;
6e738432 315 spin_lock_init(&phy->lock);
57f6ce07 316
99bbd48c
KVA
317 if (!of_device_is_compatible(node, "ti,phy-pipe3-pcie")) {
318 match = of_match_device(of_match_ptr(ti_pipe3_id_table),
319 &pdev->dev);
320 if (!match)
321 return -EINVAL;
61f54674 322
99bbd48c
KVA
323 phy->dpll_map = (struct pipe3_dpll_map *)match->data;
324 if (!phy->dpll_map) {
325 dev_err(&pdev->dev, "no DPLL data\n");
326 return -EINVAL;
327 }
57f6ce07 328
99bbd48c
KVA
329 res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
330 "pll_ctrl");
331 phy->pll_ctrl_base = devm_ioremap_resource(&pdev->dev, res);
332 if (IS_ERR(phy->pll_ctrl_base))
333 return PTR_ERR(phy->pll_ctrl_base);
57f6ce07 334
99bbd48c
KVA
335 phy->sys_clk = devm_clk_get(phy->dev, "sysclk");
336 if (IS_ERR(phy->sys_clk)) {
337 dev_err(&pdev->dev, "unable to get sysclk\n");
338 return -EINVAL;
339 }
340 }
9c7f0443 341
7f33912d
RQ
342 phy->refclk = devm_clk_get(phy->dev, "refclk");
343 if (IS_ERR(phy->refclk)) {
344 dev_err(&pdev->dev, "unable to get refclk\n");
345 /* older DTBs have missing refclk in SATA PHY
346 * so don't bail out in case of SATA PHY.
347 */
348 if (!of_device_is_compatible(node, "ti,phy-pipe3-sata"))
349 return PTR_ERR(phy->refclk);
350 }
351
99bbd48c 352 if (!of_device_is_compatible(node, "ti,phy-pipe3-sata")) {
9c7f0443
RQ
353 phy->wkupclk = devm_clk_get(phy->dev, "wkupclk");
354 if (IS_ERR(phy->wkupclk)) {
355 dev_err(&pdev->dev, "unable to get wkupclk\n");
356 return PTR_ERR(phy->wkupclk);
357 }
9c7f0443
RQ
358 } else {
359 phy->wkupclk = ERR_PTR(-ENODEV);
57f6ce07 360 }
57f6ce07 361
99bbd48c 362 if (of_device_is_compatible(node, "ti,phy-pipe3-pcie")) {
99bbd48c
KVA
363
364 clk = devm_clk_get(phy->dev, "dpll_ref");
365 if (IS_ERR(clk)) {
366 dev_err(&pdev->dev, "unable to get dpll ref clk\n");
367 return PTR_ERR(clk);
368 }
369 clk_set_rate(clk, 1500000000);
370
371 clk = devm_clk_get(phy->dev, "dpll_ref_m2");
372 if (IS_ERR(clk)) {
373 dev_err(&pdev->dev, "unable to get dpll ref m2 clk\n");
374 return PTR_ERR(clk);
375 }
376 clk_set_rate(clk, 100000000);
377
378 clk = devm_clk_get(phy->dev, "phy-div");
379 if (IS_ERR(clk)) {
380 dev_err(&pdev->dev, "unable to get phy-div clk\n");
381 return PTR_ERR(clk);
382 }
383 clk_set_rate(clk, 100000000);
384
385 phy->div_clk = devm_clk_get(phy->dev, "div-clk");
386 if (IS_ERR(phy->div_clk)) {
387 dev_err(&pdev->dev, "unable to get div-clk\n");
388 return PTR_ERR(phy->div_clk);
389 }
390 } else {
391 phy->div_clk = ERR_PTR(-ENODEV);
57f6ce07
KVA
392 }
393
918ee0d2
RQ
394 control_node = of_parse_phandle(node, "ctrl-module", 0);
395 if (!control_node) {
396 dev_err(&pdev->dev, "Failed to get control device phandle\n");
397 return -EINVAL;
57f6ce07 398 }
a70143bb 399
918ee0d2
RQ
400 control_pdev = of_find_device_by_node(control_node);
401 if (!control_pdev) {
402 dev_err(&pdev->dev, "Failed to get control device\n");
403 return -EINVAL;
404 }
405
406 phy->control_dev = &control_pdev->dev;
57f6ce07 407
14da699b 408 omap_control_phy_power(phy->control_dev, 0);
57f6ce07
KVA
409
410 platform_set_drvdata(pdev, phy);
57f6ce07 411 pm_runtime_enable(phy->dev);
a70143bb 412
dbc98635 413 generic_phy = devm_phy_create(phy->dev, NULL, &ops);
a70143bb
KVA
414 if (IS_ERR(generic_phy))
415 return PTR_ERR(generic_phy);
416
417 phy_set_drvdata(generic_phy, phy);
418 phy_provider = devm_of_phy_provider_register(phy->dev,
419 of_phy_simple_xlate);
420 if (IS_ERR(phy_provider))
421 return PTR_ERR(phy_provider);
422
57f6ce07
KVA
423 pm_runtime_get(&pdev->dev);
424
425 return 0;
426}
427
a70143bb 428static int ti_pipe3_remove(struct platform_device *pdev)
57f6ce07 429{
57f6ce07
KVA
430 if (!pm_runtime_suspended(&pdev->dev))
431 pm_runtime_put(&pdev->dev);
432 pm_runtime_disable(&pdev->dev);
433
434 return 0;
435}
436
7ba37053 437#ifdef CONFIG_PM
7f33912d
RQ
438static int ti_pipe3_enable_refclk(struct ti_pipe3 *phy)
439{
440 if (!IS_ERR(phy->refclk) && !phy->refclk_enabled) {
441 int ret;
442
443 ret = clk_prepare_enable(phy->refclk);
444 if (ret) {
445 dev_err(phy->dev, "Failed to enable refclk %d\n", ret);
446 return ret;
447 }
448 phy->refclk_enabled = true;
449 }
450
451 return 0;
452}
453
454static void ti_pipe3_disable_refclk(struct ti_pipe3 *phy)
455{
456 if (!IS_ERR(phy->refclk))
457 clk_disable_unprepare(phy->refclk);
458
459 phy->refclk_enabled = false;
460}
57f6ce07 461
6e738432 462static int ti_pipe3_enable_clocks(struct ti_pipe3 *phy)
57f6ce07 463{
6e738432
RQ
464 int ret = 0;
465 unsigned long flags;
57f6ce07 466
6e738432
RQ
467 spin_lock_irqsave(&phy->lock, flags);
468 if (phy->enabled)
469 goto err1;
57f6ce07 470
7f33912d
RQ
471 ret = ti_pipe3_enable_refclk(phy);
472 if (ret)
473 goto err1;
57f6ce07 474
1562864f
RQ
475 if (!IS_ERR(phy->wkupclk)) {
476 ret = clk_prepare_enable(phy->wkupclk);
477 if (ret) {
478 dev_err(phy->dev, "Failed to enable wkupclk %d\n", ret);
479 goto err2;
480 }
57f6ce07
KVA
481 }
482
99bbd48c
KVA
483 if (!IS_ERR(phy->div_clk)) {
484 ret = clk_prepare_enable(phy->div_clk);
485 if (ret) {
486 dev_err(phy->dev, "Failed to enable div_clk %d\n", ret);
487 goto err3;
488 }
489 }
6e738432
RQ
490
491 phy->enabled = true;
492 spin_unlock_irqrestore(&phy->lock, flags);
57f6ce07
KVA
493 return 0;
494
99bbd48c
KVA
495err3:
496 if (!IS_ERR(phy->wkupclk))
497 clk_disable_unprepare(phy->wkupclk);
498
57f6ce07 499err2:
1562864f
RQ
500 if (!IS_ERR(phy->refclk))
501 clk_disable_unprepare(phy->refclk);
57f6ce07 502
7f33912d 503 ti_pipe3_disable_refclk(phy);
57f6ce07 504err1:
6e738432
RQ
505 spin_unlock_irqrestore(&phy->lock, flags);
506 return ret;
507}
508
509static void ti_pipe3_disable_clocks(struct ti_pipe3 *phy)
510{
511 unsigned long flags;
512
513 spin_lock_irqsave(&phy->lock, flags);
514 if (!phy->enabled) {
515 spin_unlock_irqrestore(&phy->lock, flags);
516 return;
517 }
518
519 if (!IS_ERR(phy->wkupclk))
520 clk_disable_unprepare(phy->wkupclk);
7f33912d
RQ
521 /* Don't disable refclk for SATA PHY due to Errata i783 */
522 if (!of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-sata"))
523 ti_pipe3_disable_refclk(phy);
6e738432
RQ
524 if (!IS_ERR(phy->div_clk))
525 clk_disable_unprepare(phy->div_clk);
526 phy->enabled = false;
527 spin_unlock_irqrestore(&phy->lock, flags);
528}
529
530static int ti_pipe3_runtime_suspend(struct device *dev)
531{
532 struct ti_pipe3 *phy = dev_get_drvdata(dev);
533
534 ti_pipe3_disable_clocks(phy);
535 return 0;
536}
537
538static int ti_pipe3_runtime_resume(struct device *dev)
539{
540 struct ti_pipe3 *phy = dev_get_drvdata(dev);
541 int ret = 0;
542
543 ret = ti_pipe3_enable_clocks(phy);
57f6ce07
KVA
544 return ret;
545}
546
6e738432
RQ
547static int ti_pipe3_suspend(struct device *dev)
548{
549 struct ti_pipe3 *phy = dev_get_drvdata(dev);
550
551 ti_pipe3_disable_clocks(phy);
552 return 0;
553}
554
555static int ti_pipe3_resume(struct device *dev)
556{
557 struct ti_pipe3 *phy = dev_get_drvdata(dev);
558 int ret;
559
560 ret = ti_pipe3_enable_clocks(phy);
561 if (ret)
562 return ret;
563
564 pm_runtime_disable(dev);
565 pm_runtime_set_active(dev);
566 pm_runtime_enable(dev);
567 return 0;
568}
569#endif
570
a70143bb
KVA
571static const struct dev_pm_ops ti_pipe3_pm_ops = {
572 SET_RUNTIME_PM_OPS(ti_pipe3_runtime_suspend,
573 ti_pipe3_runtime_resume, NULL)
6e738432 574 SET_SYSTEM_SLEEP_PM_OPS(ti_pipe3_suspend, ti_pipe3_resume)
57f6ce07
KVA
575};
576
57f6ce07 577#ifdef CONFIG_OF
a70143bb 578static const struct of_device_id ti_pipe3_id_table[] = {
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579 {
580 .compatible = "ti,phy-usb3",
581 .data = dpll_map_usb,
582 },
583 {
584 .compatible = "ti,omap-usb3",
585 .data = dpll_map_usb,
586 },
587 {
588 .compatible = "ti,phy-pipe3-sata",
589 .data = dpll_map_sata,
590 },
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591 {
592 .compatible = "ti,phy-pipe3-pcie",
593 },
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594 {}
595};
a70143bb 596MODULE_DEVICE_TABLE(of, ti_pipe3_id_table);
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597#endif
598
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599static struct platform_driver ti_pipe3_driver = {
600 .probe = ti_pipe3_probe,
601 .remove = ti_pipe3_remove,
57f6ce07 602 .driver = {
a70143bb 603 .name = "ti-pipe3",
6e738432 604 .pm = &ti_pipe3_pm_ops,
a70143bb 605 .of_match_table = of_match_ptr(ti_pipe3_id_table),
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606 },
607};
608
a70143bb 609module_platform_driver(ti_pipe3_driver);
57f6ce07 610
a70143bb 611MODULE_ALIAS("platform: ti_pipe3");
57f6ce07 612MODULE_AUTHOR("Texas Instruments Inc.");
a70143bb 613MODULE_DESCRIPTION("TI PIPE3 phy driver");
57f6ce07 614MODULE_LICENSE("GPL v2");
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