1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2018 Álvaro Fernández Rojas <noltari@gmail.com>
5 * Derived from linux/arch/mips/bcm63xx/usb-common.c:
6 * Copyright 2008 Maxime Bizon <mbizon@freebox.fr>
7 * Copyright 2013 Florian Fainelli <florian@openwrt.org>
13 #include <generic-phy.h>
18 #include <dm/device.h>
20 #define USBH_SETUP_PORT1_EN BIT(0)
22 struct bcm6348_usbh_priv {
26 static int bcm6348_usbh_init(struct phy *phy)
28 struct bcm6348_usbh_priv *priv = dev_get_priv(phy->dev);
30 writel_be(USBH_SETUP_PORT1_EN, priv->regs);
35 static struct phy_ops bcm6348_usbh_ops = {
36 .init = bcm6348_usbh_init,
39 static const struct udevice_id bcm6348_usbh_ids[] = {
40 { .compatible = "brcm,bcm6348-usbh" },
44 static int bcm6348_usbh_probe(struct udevice *dev)
46 struct bcm6348_usbh_priv *priv = dev_get_priv(dev);
47 struct reset_ctl rst_ctl;
51 priv->regs = dev_remap_addr(dev);
55 /* enable usbh clock */
56 ret = clk_get_by_name(dev, "usbh", &clk);
60 ret = clk_enable(&clk);
69 ret = reset_get_by_index(dev, 0, &rst_ctl);
73 ret = reset_deassert(&rst_ctl);
77 ret = reset_free(&rst_ctl);
84 U_BOOT_DRIVER(bcm6348_usbh) = {
85 .name = "bcm6348-usbh",
87 .of_match = bcm6348_usbh_ids,
88 .ops = &bcm6348_usbh_ops,
89 .priv_auto_alloc_size = sizeof(struct bcm6348_usbh_priv),
90 .probe = bcm6348_usbh_probe,