blob: 43dd2a6b3b248722862e5ccbee54d95e8320c2dc [file] [log] [blame]
/*
* Copyright (c) 2020 Christian Taedcke
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/init.h>
#include <zephyr/drivers/gpio.h>
#include <zephyr/sys/printk.h>
struct supply_cfg {
const struct device *gpio;
gpio_pin_t pin;
gpio_dt_flags_t flags;
};
static int enable_supply(const struct supply_cfg *cfg)
{
int rv = -ENODEV;
if (device_is_ready(cfg->gpio)) {
gpio_pin_configure(cfg->gpio, cfg->pin,
GPIO_OUTPUT | cfg->flags);
gpio_pin_set(cfg->gpio, cfg->pin, 1);
rv = 0;
}
return rv;
}
static int efr32mg_sltb004a_init(void)
{
struct supply_cfg cfg;
int rc = 0;
(void)cfg;
#define CCS811 DT_NODELABEL(ccs811)
#if DT_NODE_HAS_STATUS(CCS811, okay)
cfg = (struct supply_cfg){
.gpio = DEVICE_DT_GET(DT_GPIO_CTLR(CCS811, supply_gpios)),
.pin = DT_GPIO_PIN(CCS811, supply_gpios),
.flags = DT_GPIO_FLAGS(CCS811, supply_gpios),
};
/* Enable the CCS811 power */
rc = enable_supply(&cfg);
if (rc < 0) {
printk("CCS811 supply not enabled: %d\n", rc);
}
#endif
return rc;
}
/* needs to be done after GPIO driver init */
SYS_INIT(efr32mg_sltb004a_init, POST_KERNEL,
CONFIG_KERNEL_INIT_PRIORITY_DEVICE);