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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 @@
#include <linux/of_device.h>
#include <linux/pwm.h>
#include <linux/platform_device.h>
+#include <linux/pinctrl/consumer.h>
#include <linux/slab.h>
#include <linux/reset.h>
@@ -255,6 +256,18 @@ static int tegra_pwm_remove(struct platform_device *pdev)
return pwmchip_remove(&pc->chip);
}
+#ifdef CONFIG_PM_SLEEP
+static int tegra_pwm_suspend(struct device *dev)
+{
+ return pinctrl_pm_select_sleep_state(dev);
+}
+
+static int tegra_pwm_resume(struct device *dev)
+{
+ return pinctrl_pm_select_default_state(dev);
+}
+#endif
+
static const struct tegra_pwm_soc tegra20_pwm_soc = {
.num_channels = 4,
};
@@ -271,10 +284,15 @@ static const struct of_device_id tegra_pwm_of_match[] = {
MODULE_DEVICE_TABLE(of, tegra_pwm_of_match);
+static const struct dev_pm_ops tegra_pwm_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(tegra_pwm_suspend, tegra_pwm_resume)
+};
+
static struct platform_driver tegra_pwm_driver = {
.driver = {
.name = "tegra-pwm",
.of_match_table = tegra_pwm_of_match,
+ .pm = &tegra_pwm_pm_ops,
},
.probe = tegra_pwm_probe,
.remove = tegra_pwm_remove,