zephyr/drivers/pinmux/stm32/pinmux_board_nucleo_f401re.c

/*
 * Copyright (c) 2016 Linaro Limited.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <kernel.h>
#include <device.h>
#include <init.h>
#include <pinmux.h>
#include <sys_io.h>
#include "pinmux/pinmux.h"

#include "pinmux_stm32.h"

/* pin assignments for NUCLEO-F401RE board */
static const struct pin_config pinconf[] = {
#ifdef CONFIG_UART_STM32_PORT_1
	{STM32_PIN_PB6, STM32F4_PINMUX_FUNC_PB6_USART1_TX},
	{STM32_PIN_PB7, STM32F4_PINMUX_FUNC_PB7_USART1_RX},
#endif	/* CONFIG_UART_STM32_PORT_1 */
#ifdef CONFIG_UART_STM32_PORT_2
	{STM32_PIN_PA2, STM32F4_PINMUX_FUNC_PA2_USART2_TX},
	{STM32_PIN_PA3, STM32F4_PINMUX_FUNC_PA3_USART2_RX},
#endif	/* CONFIG_UART_STM32_PORT_2 */
#ifdef CONFIG_PWM_STM32_2
	{STM32_PIN_PA0, STM32F4_PINMUX_FUNC_PA0_PWM2_CH1},
#endif /* CONFIG_PWM_STM32_2 */
};

static int pinmux_stm32_init(struct device *port)
{
	ARG_UNUSED(port);

	stm32_setup_pins(pinconf, ARRAY_SIZE(pinconf));

	return 0;
}

SYS_INIT(pinmux_stm32_init, PRE_KERNEL_1,
		CONFIG_PINMUX_STM32_DEVICE_INITIALIZATION_PRIORITY);