static int am335x_init(struct usb_phy *phy) { struct am335x_phy *am_phy = dev_get_drvdata(phy->dev); phy_ctrl_power(am_phy->phy_ctrl, am_phy->id, am_phy->dr_mode, true); return 0; }
static int am335x_init(struct usb_phy *phy) { struct am335x_usbphy *am_usbphy = container_of(phy, struct am335x_usbphy, phy); phy_ctrl_power(am_usbphy->phy_ctrl, am_usbphy->id, true); 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 int am335x_phy_resume(struct device *dev) { struct am335x_phy *am_phy = dev_get_drvdata(dev); phy_ctrl_power(am_phy->phy_ctrl, am_phy->id, am_phy->dr_mode, true); if (device_may_wakeup(dev)) phy_ctrl_wkup(am_phy->phy_ctrl, am_phy->id, false); return 0; }
static int am335x_phy_probe(struct platform_device *pdev) { struct am335x_phy *am_phy; struct device *dev = &pdev->dev; int ret; am_phy = devm_kzalloc(dev, sizeof(*am_phy), GFP_KERNEL); if (!am_phy) return -ENOMEM; am_phy->phy_ctrl = am335x_get_phy_control(dev); if (!am_phy->phy_ctrl) return -EPROBE_DEFER; am_phy->id = of_alias_get_id(pdev->dev.of_node, "phy"); if (am_phy->id < 0) { dev_err(&pdev->dev, "Missing PHY id: %d\n", am_phy->id); return am_phy->id; } am_phy->dr_mode = of_usb_get_dr_mode_by_phy(pdev->dev.of_node, -1); ret = usb_phy_gen_create_phy(dev, &am_phy->usb_phy_gen, NULL); if (ret) return ret; ret = usb_add_phy_dev(&am_phy->usb_phy_gen.phy); if (ret) 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); device_init_wakeup(dev, true); /* * If we leave PHY wakeup enabled then AM33XX wakes up * immediately from DS0. To avoid this we mark dev->power.can_wakeup * to false. The same is checked in suspend routine to decide * on whether to enable PHY wakeup or not. * PHY wakeup works fine in standby mode, there by allowing us to * handle remote wakeup, wakeup on disconnect and connect. */ device_set_wakeup_enable(dev, false); phy_ctrl_power(am_phy->phy_ctrl, am_phy->id, am_phy->dr_mode, false); return 0; }
static int am335x_phy_suspend(struct device *dev) { struct am335x_phy *am_phy = dev_get_drvdata(dev); /* * Enable phy wakeup only if dev->power.can_wakeup is true. * Make sure to enable wakeup to support remote wakeup in * standby mode ( same is not supported in OFF(DS0) mode). * Enable it by doing * echo enabled > /sys/bus/platform/devices/<usb-phy-id>/power/wakeup */ 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, am_phy->dr_mode, false); return 0; }
static void am335x_shutdown(struct usb_phy *phy) { struct am335x_phy *am_phy = dev_get_drvdata(phy->dev); phy_ctrl_power(am_phy->phy_ctrl, am_phy->id, am_phy->dr_mode, false); }