blob: a6a3fec782e592c69517e3d0d9187a16a92c8c99 [file] [log] [blame]
/*
* Copyright (c) 2018 Aapo Vienamo
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/init.h>
#include <zephyr/drivers/gpio.h>
#include <zephyr/kernel.h>
static const struct gpio_dt_spec ccs_gpio =
GPIO_DT_SPEC_GET(DT_NODELABEL(ccs_pwr), enable_gpios);
static int pwr_ctrl_init(void)
{
int ret;
if (!gpio_is_ready_dt(&ccs_gpio)) {
return -ENODEV;
}
ret = gpio_pin_configure_dt(&ccs_gpio, GPIO_OUTPUT_HIGH);
if (ret < 0) {
return ret;
}
k_sleep(K_MSEC(1)); /* Wait for the rail to come up and stabilize */
return 0;
}
#if CONFIG_SENSOR_INIT_PRIORITY <= CONFIG_BOARD_CCS_VDD_PWR_CTRL_INIT_PRIORITY
#error BOARD_CCS_VDD_PWR_CTRL_INIT_PRIORITY must be lower than SENSOR_INIT_PRIORITY
#endif
SYS_INIT(pwr_ctrl_init, POST_KERNEL,
CONFIG_BOARD_CCS_VDD_PWR_CTRL_INIT_PRIORITY);