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- // SPDX-License-Identifier: GPL-2.0+
- /* Copyright (C) 2019 Stephan Gerhold */
- #include <common.h>
- #include <dm.h>
- #include <generic-phy.h>
- #include <linux/bitops.h>
- #include <power/pmic.h>
- #include <power/ab8500.h>
- #define AB8500_USB_PHY_CTRL_REG AB8500_USB(0x8A)
- #define AB8500_BIT_PHY_CTRL_HOST_EN BIT(0)
- #define AB8500_BIT_PHY_CTRL_DEVICE_EN BIT(1)
- #define AB8500_USB_PHY_CTRL_MASK (AB8500_BIT_PHY_CTRL_HOST_EN |\
- AB8500_BIT_PHY_CTRL_DEVICE_EN)
- static int ab8500_usb_phy_power_on(struct phy *phy)
- {
- struct udevice *dev = phy->dev;
- uint set = AB8500_BIT_PHY_CTRL_DEVICE_EN;
- if (CONFIG_IS_ENABLED(USB_MUSB_HOST))
- set = AB8500_BIT_PHY_CTRL_HOST_EN;
- return pmic_clrsetbits(dev->parent, AB8500_USB_PHY_CTRL_REG,
- AB8500_USB_PHY_CTRL_MASK, set);
- }
- static int ab8500_usb_phy_power_off(struct phy *phy)
- {
- struct udevice *dev = phy->dev;
- return pmic_clrsetbits(dev->parent, AB8500_USB_PHY_CTRL_REG,
- AB8500_USB_PHY_CTRL_MASK, 0);
- }
- struct phy_ops ab8500_usb_phy_ops = {
- .power_on = ab8500_usb_phy_power_on,
- .power_off = ab8500_usb_phy_power_off,
- };
- static const struct udevice_id ab8500_usb_phy_ids[] = {
- { .compatible = "stericsson,ab8500-usb" },
- { }
- };
- U_BOOT_DRIVER(ab8500_usb_phy) = {
- .name = "ab8500_usb_phy",
- .id = UCLASS_PHY,
- .of_match = ab8500_usb_phy_ids,
- .ops = &ab8500_usb_phy_ops,
- };
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