blob: 9844941294796cea5037e44293e73e2ea5e95230 [file] [log] [blame]
/*
* 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)
{
const 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_xenon_init(const 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, which is at
* POST_KERNEL:KERNEL_INIT_PRIORITY_DEFAULT.
*/
SYS_INIT(board_particle_xenon_init, POST_KERNEL, 99);