diff options
Diffstat (limited to 'drivers/usb/phy/phy-am335x.c')
| -rw-r--r-- | drivers/usb/phy/phy-am335x.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/usb/phy/phy-am335x.c b/drivers/usb/phy/phy-am335x.c index f836dc68104c..f3478a856edb 100644 --- a/drivers/usb/phy/phy-am335x.c +++ b/drivers/usb/phy/phy-am335x.c @@ -78,6 +78,40 @@ static int am335x_phy_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM_RUNTIME + +static int am335x_phy_runtime_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct am335x_phy *am_phy = platform_get_drvdata(pdev); + + if (device_may_wakeup(dev)) + phy_ctrl_wkup(am_phy->phy_ctrl, am_phy->id, true); + phy_ctrl_power(am_phy->phy_ctrl, am_phy->id, false); + return 0; +} + +static int am335x_phy_runtime_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct am335x_phy *am_phy = platform_get_drvdata(pdev); + + phy_ctrl_power(am_phy->phy_ctrl, am_phy->id, true); + if (device_may_wakeup(dev)) + phy_ctrl_wkup(am_phy->phy_ctrl, am_phy->id, false); + return 0; +} + +static const struct dev_pm_ops am335x_pm_ops = { + SET_RUNTIME_PM_OPS(am335x_phy_runtime_suspend, + am335x_phy_runtime_resume, NULL) +}; + +#define DEV_PM_OPS (&am335x_pm_ops) +#else +#define DEV_PM_OPS NULL +#endif + static const struct of_device_id am335x_phy_ids[] = { { .compatible = "ti,am335x-usb-phy" }, { } @@ -90,6 +124,7 @@ static struct platform_driver am335x_phy_driver = { .driver = { .name = "am335x-phy-driver", .owner = THIS_MODULE, + .pm = DEV_PM_OPS, .of_match_table = of_match_ptr(am335x_phy_ids), }, }; |