2 * Copyright (C) 2015, Google, Inc
4 * SPDX-License-Identifier: GPL-2.0+
10 #include <dm/device-internal.h>
11 #include <dm/uclass-internal.h>
13 #define GPIO_BANKE_NAME "gpioe"
15 int arch_early_init_r(void)
23 struct gpio_desc desc;
27 * Turn on USB VBUS for the two USB ports on the board.
28 * Each port's VBUS is controlled by a GPIO pin.
31 ret = uclass_find_device_by_name(UCLASS_GPIO, GPIO_BANKE_NAME, &dev);
33 debug("%s: GPIO %s device cannot be not found (ret=%d)\n",
34 __func__, GPIO_BANKE_NAME, ret);
38 ret = device_probe(dev);
40 debug("%s: GPIO %s device probe failed (ret=%d)\n",
41 __func__, GPIO_BANKE_NAME, ret);
46 desc.flags = GPIOD_IS_OUT;
48 /* GPIO E8 controls the bottom port */
51 ret = dm_gpio_request(&desc, "usb_host_en0");
54 dm_gpio_set_value(&desc, 1);
56 /* GPIO E9 controls the upper port */
59 ret = dm_gpio_request(&desc, "usb_host_en1");
63 dm_gpio_set_value(&desc, 1);