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path: root/drivers/pwm/pwm-tegra.c
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Diffstat (limited to 'drivers/pwm/pwm-tegra.c')
-rw-r--r--drivers/pwm/pwm-tegra.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/pwm/pwm-tegra.c b/drivers/pwm/pwm-tegra.c
index 21518bea00c6..9c7f180b9f3a 100644
--- a/drivers/pwm/pwm-tegra.c
+++ b/drivers/pwm/pwm-tegra.c
@@ -29,6 +29,7 @@
29#include <linux/of_device.h> 29#include <linux/of_device.h>
30#include <linux/pwm.h> 30#include <linux/pwm.h>
31#include <linux/platform_device.h> 31#include <linux/platform_device.h>
32#include <linux/pinctrl/consumer.h>
32#include <linux/slab.h> 33#include <linux/slab.h>
33#include <linux/reset.h> 34#include <linux/reset.h>
34 35
@@ -255,6 +256,18 @@ static int tegra_pwm_remove(struct platform_device *pdev)
255 return pwmchip_remove(&pc->chip); 256 return pwmchip_remove(&pc->chip);
256} 257}
257 258
259#ifdef CONFIG_PM_SLEEP
260static int tegra_pwm_suspend(struct device *dev)
261{
262 return pinctrl_pm_select_sleep_state(dev);
263}
264
265static int tegra_pwm_resume(struct device *dev)
266{
267 return pinctrl_pm_select_default_state(dev);
268}
269#endif
270
258static const struct tegra_pwm_soc tegra20_pwm_soc = { 271static const struct tegra_pwm_soc tegra20_pwm_soc = {
259 .num_channels = 4, 272 .num_channels = 4,
260}; 273};
@@ -271,10 +284,15 @@ static const struct of_device_id tegra_pwm_of_match[] = {
271 284
272MODULE_DEVICE_TABLE(of, tegra_pwm_of_match); 285MODULE_DEVICE_TABLE(of, tegra_pwm_of_match);
273 286
287static const struct dev_pm_ops tegra_pwm_pm_ops = {
288 SET_SYSTEM_SLEEP_PM_OPS(tegra_pwm_suspend, tegra_pwm_resume)
289};
290
274static struct platform_driver tegra_pwm_driver = { 291static struct platform_driver tegra_pwm_driver = {
275 .driver = { 292 .driver = {
276 .name = "tegra-pwm", 293 .name = "tegra-pwm",
277 .of_match_table = tegra_pwm_of_match, 294 .of_match_table = tegra_pwm_of_match,
295 .pm = &tegra_pwm_pm_ops,
278 }, 296 },
279 .probe = tegra_pwm_probe, 297 .probe = tegra_pwm_probe,
280 .remove = tegra_pwm_remove, 298 .remove = tegra_pwm_remove,