/*
|
* Copyright (C) 2015, Google, Inc
|
*
|
* SPDX-License-Identifier: GPL-2.0+
|
*/
|
|
#include <common.h>
|
#include <dm.h>
|
#include <asm/gpio.h>
|
#include <dm/device-internal.h>
|
#include <dm/uclass-internal.h>
|
|
#define GPIO_BANKE_NAME "gpioe"
|
|
int misc_init_r(void)
|
{
|
struct udevice *dev;
|
struct gpio_desc desc;
|
int ret;
|
|
/*
|
* Turn on USB VBUS for the two USB ports on the board.
|
* Each port's VBUS is controlled by a GPIO pin.
|
*/
|
|
ret = uclass_find_device_by_name(UCLASS_GPIO, GPIO_BANKE_NAME, &dev);
|
if (ret) {
|
debug("%s: GPIO %s device cannot be not found (ret=%d)\n",
|
__func__, GPIO_BANKE_NAME, ret);
|
return ret;
|
}
|
|
ret = device_probe(dev);
|
if (ret) {
|
debug("%s: GPIO %s device probe failed (ret=%d)\n",
|
__func__, GPIO_BANKE_NAME, ret);
|
return ret;
|
}
|
|
desc.dev = dev;
|
desc.flags = GPIOD_IS_OUT;
|
|
/* GPIO E8 controls the bottom port */
|
desc.offset = 8;
|
|
ret = dm_gpio_request(&desc, "usb_host_en0");
|
if (ret)
|
return ret;
|
dm_gpio_set_value(&desc, 1);
|
|
/* GPIO E9 controls the upper port */
|
desc.offset = 9;
|
|
ret = dm_gpio_request(&desc, "usb_host_en1");
|
if (ret)
|
return ret;
|
|
dm_gpio_set_value(&desc, 1);
|
|
return 0;
|
}
|
