zephyr/boards/xtensa/esp32_ethernet_kit/board_init.c

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/*
* Copyright (c) 2022 Grant Ramsay <grant.ramsay@hotmail.com>
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/drivers/gpio.h>
#define IP101GRI_RESET_N_PIN 5
static int board_esp32_ethernet_kit_init(const struct device *dev)
{
ARG_UNUSED(dev);
const struct device *gpio = DEVICE_DT_GET(DT_NODELABEL(gpio0));
if (!device_is_ready(gpio)) {
return -ENODEV;
}
/* Enable the Ethernet phy */
int res = gpio_pin_configure(
gpio, IP101GRI_RESET_N_PIN,
GPIO_OUTPUT | GPIO_OUTPUT_INIT_HIGH);
return res;
}
SYS_INIT(board_esp32_ethernet_kit_init, PRE_KERNEL_2, CONFIG_GPIO_INIT_PRIORITY);