1 /* 2 * Copyright (c) 2019 Peter Bigot Consulting, LLC 3 * Copyright (c) 2019 Foundries.io 4 * 5 * SPDX-License-Identifier: Apache-2.0 6 */ 7 8 #include <zephyr/init.h> 9 #include <zephyr/drivers/gpio.h> 10 11 #define SKY_UFLn_GPIO_SPEC GPIO_DT_SPEC_GET(DT_NODELABEL(sky13351), vctl1_gpios) 12 #define SKY_PCBn_GPIO_SPEC GPIO_DT_SPEC_GET(DT_NODELABEL(sky13351), vctl2_gpios) 13 external_antenna(bool on)14static inline void external_antenna(bool on) 15 { 16 struct gpio_dt_spec ufl_gpio = SKY_UFLn_GPIO_SPEC; 17 struct gpio_dt_spec pcb_gpio = SKY_PCBn_GPIO_SPEC; 18 19 if (!gpio_is_ready_dt(&ufl_gpio)) { 20 return; 21 } 22 23 if (!gpio_is_ready_dt(&pcb_gpio)) { 24 return; 25 } 26 27 gpio_pin_configure_dt(&ufl_gpio, (on ? GPIO_OUTPUT_ACTIVE : GPIO_OUTPUT_INACTIVE)); 28 gpio_pin_configure_dt(&pcb_gpio, (on ? GPIO_OUTPUT_INACTIVE : GPIO_OUTPUT_ACTIVE)); 29 } 30 board_particle_argon_init(void)31static int board_particle_argon_init(void) 32 { 33 34 /* 35 * On power-up the SKY13351 is left uncontrolled, so neither 36 * PCB nor external antenna is selected. Select the PCB 37 * antenna. 38 */ 39 external_antenna(false); 40 41 return 0; 42 } 43 44 /* needs to be done after GPIO driver init, which is at 45 * POST_KERNEL:KERNEL_INIT_PRIORITY_DEFAULT. 46 */ 47 SYS_INIT(board_particle_argon_init, POST_KERNEL, 99); 48
