blob: 6d68ac32c100905d798d0ca95f969628f866284f [file] [log] [blame] [edit]
/*
* Copyright (c) 2021 Yonatan Schachter
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/drivers/pinctrl.h>
/* pico-sdk includes */
#include <hardware/gpio.h>
static void pinctrl_configure_pin(const pinctrl_soc_pin_t *pin)
{
gpio_init(pin->pin_num);
gpio_set_function(pin->pin_num, pin->alt_func);
gpio_set_pulls(pin->pin_num, pin->pullup, pin->pulldown);
gpio_set_drive_strength(pin->pin_num, pin->drive_strength);
gpio_set_slew_rate(pin->pin_num, (pin->slew_rate ?
GPIO_SLEW_RATE_FAST : GPIO_SLEW_RATE_SLOW));
gpio_set_input_hysteresis_enabled(pin->pin_num, pin->schmitt_enable);
gpio_set_input_enabled(pin->pin_num, pin->input_enable);
}
int pinctrl_configure_pins(const pinctrl_soc_pin_t *pins, uint8_t pin_cnt,
uintptr_t reg)
{
ARG_UNUSED(reg);
for (uint8_t i = 0U; i < pin_cnt; i++) {
pinctrl_configure_pin(pins++);
}
return 0;
}