/* * Copyright (c) 2020 InnBlue * * SPDX-License-Identifier: Apache-2.0 */ #include #include #define VDD_5V0_PWR_CTRL_GPIO_PIN 21 /* ENABLE_5V0_BOOST --> speed sensor */ static int pwr_ctrl_init(const struct device *dev) { const struct device *gpio; int err = -ENODEV; /* Get handle of the GPIO device. */ gpio = device_get_binding(DT_LABEL(DT_NODELABEL(gpio0))); /* Valid handle? */ if (gpio != NULL) { /* Configure this pin as output. */ err = gpio_pin_configure(gpio, VDD_5V0_PWR_CTRL_GPIO_PIN, GPIO_OUTPUT_ACTIVE); if (err == 0) { /* Write "1" to this pin. */ err = gpio_pin_set(gpio, VDD_5V0_PWR_CTRL_GPIO_PIN, 1); } /* Wait for the rail to come up and stabilize. */ k_sleep(K_MSEC(10)); } /* Operation status? */ return (err); } SYS_INIT(pwr_ctrl_init, POST_KERNEL, 70);