blob: 7f313336c112b61dc2d6b134ac8f7d096f4365fa [file] [log] [blame]
/*
* Copyright (c) 2019 Foundries.io
* Copyright (c) 2019 Peter Bigot Consulting, LLC
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/init.h>
#include <zephyr/drivers/gpio.h>
#include "board.h"
#define ANT_UFLn_GPIO_SPEC GPIO_DT_SPEC_GET(DT_NODELABEL(sky13351), vctl1_gpios)
static inline void external_antenna(bool on)
{
struct gpio_dt_spec ufl_gpio = ANT_UFLn_GPIO_SPEC;
/*
* On power-up the SKY13351 is left uncontrolled, so neither
* PCB nor external antenna is selected. Select the PCB
* antenna.
*/
if (!device_is_ready(ufl_gpio.port)) {
return;
}
gpio_pin_configure_dt(&ufl_gpio, (on ? GPIO_OUTPUT_ACTIVE : GPIO_OUTPUT_INACTIVE));
}
static int board_particle_boron_init(void)
{
external_antenna(false);
#if defined(CONFIG_MODEM_UBLOX_SARA)
const struct device *gpio_dev;
/* Enable the serial buffer for SARA-R4 modem */
gpio_dev = DEVICE_DT_GET(SERIAL_BUFFER_ENABLE_GPIO_NODE);
if (!device_is_ready(gpio_dev)) {
return -ENODEV;
}
gpio_pin_configure(gpio_dev, V_INT_DETECT_GPIO_PIN,
GPIO_INPUT | V_INT_DETECT_GPIO_FLAGS);
gpio_pin_configure(gpio_dev, SERIAL_BUFFER_ENABLE_GPIO_PIN,
GPIO_OUTPUT_ACTIVE
| SERIAL_BUFFER_ENABLE_GPIO_FLAGS);
#endif
return 0;
}
/* needs to be done after GPIO driver init, which is at
* POST_KERNEL:KERNEL_INIT_PRIORITY_DEFAULT.
*/
SYS_INIT(board_particle_boron_init, POST_KERNEL, 99);