zephyr/boards/arm/olimex_stm32_h407/pinmux.c

/*
 * Copyright (c) 2018, Reto Schneider <code@reto-schneider.ch>
 *
 * SPDX-License-Identifier: Apache-2.0
 */

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

#include <pinmux/stm32/pinmux_stm32.h>

/* pin assignments for OLIMEX-STM32-H407 board */
static const struct pin_config pinconf[] = {
#ifdef CONFIG_UART_2
	{STM32_PIN_PA2, STM32F4_PINMUX_FUNC_PA2_USART2_TX},
	{STM32_PIN_PA3, STM32F4_PINMUX_FUNC_PA3_USART2_RX},
#endif	/* CONFIG_UART_2 */
#ifdef CONFIG_UART_3
	{STM32_PIN_PB10, STM32F4_PINMUX_FUNC_PB10_USART3_TX},
	{STM32_PIN_PB11, STM32F4_PINMUX_FUNC_PB11_USART3_RX},
#endif	/* CONFIG_UART_3 */
#ifdef CONFIG_UART_6
	{STM32_PIN_PC6, STM32F4_PINMUX_FUNC_PC6_USART6_TX},
	{STM32_PIN_PC7, STM32F4_PINMUX_FUNC_PC7_USART6_RX},
#endif	/* CONFIG_UART_6 */
#ifdef CONFIG_USB_DC_STM32
	{STM32_PIN_PA11, STM32F4_PINMUX_FUNC_PA11_OTG_FS_DM},
	{STM32_PIN_PA12, STM32F4_PINMUX_FUNC_PA12_OTG_FS_DP},
#endif  /* CONFIG_USB_DC_STM32 */
};

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);