u-boot/drivers/phy/phy-apple-atc.c
Mark Kettenis b99c635787 phy: Add support for the Apple Type-C PHY
This is merely a dummy driver that makes sure the DWC3 XHCI driver
finds its reset and PHY controllers.  We rely on iBoot to set up
the PHY for us.

Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
2023-08-14 17:51:51 -04:00

56 lines
1.2 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2022 Mark Kettenis <kettenis@openbsd.org>
*/
#include <common.h>
#include <dm.h>
#include <dm/device-internal.h>
#include <generic-phy.h>
#include <reset-uclass.h>
static const struct phy_ops apple_atcphy_ops = {
};
static struct driver apple_atcphy_driver = {
.name = "apple-atcphy",
.id = UCLASS_PHY,
.ops = &apple_atcphy_ops,
};
static int apple_atcphy_reset_of_xlate(struct reset_ctl *reset_ctl,
struct ofnode_phandle_args *args)
{
if (args->args_count != 0)
return -EINVAL;
return 0;
}
static const struct reset_ops apple_atcphy_reset_ops = {
.of_xlate = apple_atcphy_reset_of_xlate,
};
static int apple_atcphy_reset_probe(struct udevice *dev)
{
struct udevice *child;
device_bind(dev, &apple_atcphy_driver, "apple-atcphy", NULL,
dev_ofnode(dev), &child);
return 0;
}
static const struct udevice_id apple_atcphy_ids[] = {
{ .compatible = "apple,t6000-atcphy" },
{ .compatible = "apple,t8103-atcphy" },
{ }
};
U_BOOT_DRIVER(apple_atcphy_reset) = {
.name = "apple-atcphy-reset",
.id = UCLASS_RESET,
.of_match = apple_atcphy_ids,
.ops = &apple_atcphy_reset_ops,
.probe = apple_atcphy_reset_probe,
};