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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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