zephyr/boards/arm/96b_wistrio/rf.c

36 lines
921 B
C

/*
* Copyright (c) 2019 Linaro Ltd.
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/drivers/gpio.h>
#include <zephyr/init.h>
static int rf_init(void)
{
const struct gpio_dt_spec rf1 =
GPIO_DT_SPEC_GET(DT_NODELABEL(rf_switch), rf1_gpios);
const struct gpio_dt_spec rf2 =
GPIO_DT_SPEC_GET(DT_NODELABEL(rf_switch), rf2_gpios);
const struct gpio_dt_spec rf3 =
GPIO_DT_SPEC_GET(DT_NODELABEL(rf_switch), rf3_gpios);
/* configure RFSW8001 GPIOs (110: RF1/RF2 coexistence mode) */
if (!device_is_ready(rf1.port) ||
!device_is_ready(rf2.port) ||
!device_is_ready(rf3.port)) {
return -ENODEV;
}
(void)gpio_pin_configure_dt(&rf1, GPIO_OUTPUT_HIGH);
(void)gpio_pin_configure_dt(&rf2, GPIO_OUTPUT_HIGH);
(void)gpio_pin_configure_dt(&rf3, GPIO_OUTPUT_LOW);
return 0;
}
/* Need to be initialised after GPIO driver */
SYS_INIT(rf_init, POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE);