1 // SPDX-License-Identifier: GPL-1.0+
3 * Renesas USB driver R-Car Gen. 2 initialization and power control
5 * Copyright (C) 2014 Ulrich Hecht
6 * Copyright (C) 2019 Renesas Electronics Corporation
9 #include <linux/gpio.h>
10 #include <linux/of_gpio.h>
11 #include <linux/phy/phy.h>
15 static int usbhs_rcar2_hardware_init(struct platform_device *pdev)
17 struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
19 if (IS_ENABLED(CONFIG_GENERIC_PHY)) {
20 struct phy *phy = phy_get(&pdev->dev, "usb");
32 static int usbhs_rcar2_hardware_exit(struct platform_device *pdev)
34 struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
44 static int usbhs_rcar2_power_ctrl(struct platform_device *pdev,
45 void __iomem *base, int enable)
47 struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
52 retval = phy_init(priv->phy);
55 retval = phy_power_on(priv->phy);
57 phy_power_off(priv->phy);
66 const struct renesas_usbhs_platform_callback usbhs_rcar2_ops = {
67 .hardware_init = usbhs_rcar2_hardware_init,
68 .hardware_exit = usbhs_rcar2_hardware_exit,
69 .power_ctrl = usbhs_rcar2_power_ctrl,
70 .get_id = usbhs_get_id_as_gadget,