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path: root/drivers/usb/phy/phy-am335x.c
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Diffstat (limited to 'drivers/usb/phy/phy-am335x.c')
-rw-r--r--drivers/usb/phy/phy-am335x.c44
1 files changed, 39 insertions, 5 deletions
diff --git a/drivers/usb/phy/phy-am335x.c b/drivers/usb/phy/phy-am335x.c
index c4d614d1f17..6370e50649d 100644
--- a/drivers/usb/phy/phy-am335x.c
+++ b/drivers/usb/phy/phy-am335x.c
@@ -53,21 +53,20 @@ static int am335x_phy_probe(struct platform_device *pdev)
}
ret = usb_phy_gen_create_phy(dev, &am_phy->usb_phy_gen,
- USB_PHY_TYPE_USB2, 0, false, false);
+ USB_PHY_TYPE_USB2, 0, false);
if (ret)
return ret;
ret = usb_add_phy_dev(&am_phy->usb_phy_gen.phy);
if (ret)
- goto err_add;
+ return ret;
am_phy->usb_phy_gen.phy.init = am335x_init;
am_phy->usb_phy_gen.phy.shutdown = am335x_shutdown;
platform_set_drvdata(pdev, am_phy);
+
return 0;
-err_add:
- usb_phy_gen_cleanup_phy(&am_phy->usb_phy_gen);
return ret;
}
@@ -79,6 +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" },
{ }
@@ -91,7 +124,8 @@ static struct platform_driver am335x_phy_driver = {
.driver = {
.name = "am335x-phy-driver",
.owner = THIS_MODULE,
- .of_match_table = of_match_ptr(am335x_phy_ids),
+ .pm = DEV_PM_OPS,
+ .of_match_table = am335x_phy_ids,
},
};