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/* * Copyright (c) 2019 Peter Bigot Consulting, LLC * Copyright (c) 2019 Foundries.io * * SPDX-License-Identifier: Apache-2.0 */ #include <init.h> #include <drivers/gpio.h> #include "board.h" static inline void external_antenna(bool on) { struct device *ufl_gpio_dev, *pcb_gpio_dev; ufl_gpio_dev = device_get_binding(SKY_UFLn_GPIO_NAME); if (!ufl_gpio_dev) { return; } pcb_gpio_dev = device_get_binding(SKY_PCBn_GPIO_NAME); if (!pcb_gpio_dev) { return; } gpio_pin_configure(ufl_gpio_dev, SKY_UFLn_GPIO_PIN, SKY_UFLn_GPIO_FLAGS | (on ? GPIO_OUTPUT_ACTIVE : GPIO_OUTPUT_INACTIVE)); gpio_pin_configure(pcb_gpio_dev, SKY_PCBn_GPIO_PIN, SKY_PCBn_GPIO_FLAGS | (on ? GPIO_OUTPUT_INACTIVE : GPIO_OUTPUT_ACTIVE)); } static int board_particle_argon_init(struct device *dev) { ARG_UNUSED(dev); /* * On power-up the SKY13351 is left uncontrolled, so neither * PCB nor external antenna is selected. Select the PCB * antenna. */ external_antenna(false); return 0; } /* needs to be done after GPIO driver init */ SYS_INIT(board_particle_argon_init, POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT); |