/*
 * Copyright (c) 2016 Open-RnD Sp. z o.o.
 *
 * 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-F103RB board */
static const struct pin_config pinconf[] = {
#ifdef CONFIG_UART_STM32_PORT_1
	{STM32_PIN_PA9,  STM32F1_PINMUX_FUNC_PA9_USART1_TX},
	{STM32_PIN_PA10, STM32F1_PINMUX_FUNC_PA10_USART1_RX},
#endif	/* CONFIG_UART_STM32_PORT_1 */
#ifdef CONFIG_UART_STM32_PORT_2
	{STM32_PIN_PA2, STM32F1_PINMUX_FUNC_PA2_USART2_TX},
	{STM32_PIN_PA3, STM32F1_PINMUX_FUNC_PA3_USART2_RX},
#endif	/* CONFIG_UART_STM32_PORT_2 */
#ifdef CONFIG_UART_STM32_PORT_3
	{STM32_PIN_PB10, STM32F1_PINMUX_FUNC_PB10_USART3_TX},
	{STM32_PIN_PB11, STM32F1_PINMUX_FUNC_PB11_USART3_RX},
#endif	/* CONFIG_UART_STM32_PORT_3 */
#ifdef CONFIG_PWM_STM32_1
	{STM32_PIN_PA8, STM32F1_PINMUX_FUNC_PA8_PWM1_CH1},
#endif /* CONFIG_PWM_STM32_1 */
};

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);