58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
/*
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* Copyright (c) 2018 Philémon Jaermann
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <kernel.h>
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#include <device.h>
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#include <init.h>
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#include <drivers/pinmux.h>
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#include <sys/sys_io.h>
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#include <pinmux/stm32/pinmux_stm32.h>
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/* pin assignments for stm32F446RE Nucleo board */
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static const struct pin_config pinconf[] = {
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#ifdef CONFIG_UART_1
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{STM32_PIN_PB6, STM32F4_PINMUX_FUNC_PB6_USART1_TX},
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{STM32_PIN_PB7, STM32F4_PINMUX_FUNC_PB7_USART1_RX},
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#endif /* CONFIG_UART_1 */
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#ifdef CONFIG_UART_2
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{STM32_PIN_PA2, STM32F4_PINMUX_FUNC_PA2_USART2_TX},
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{STM32_PIN_PA3, STM32F4_PINMUX_FUNC_PA3_USART2_RX},
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#endif /* CONFIG_UART_2 */
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#ifdef CONFIG_I2C_1
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{STM32_PIN_PB8, STM32F4_PINMUX_FUNC_PB8_I2C1_SCL},
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{STM32_PIN_PB9, STM32F4_PINMUX_FUNC_PB9_I2C1_SDA},
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#endif /* CONFIG_I2C_1 */
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#ifdef CONFIG_I2C_2
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{STM32_PIN_PB10, STM32F4_PINMUX_FUNC_PB10_I2C2_SCL},
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{STM32_PIN_PB3, STM32F4_PINMUX_FUNC_PB3_I2C2_SDA},
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#endif /* CONFIG_I2C_2 */
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#ifdef CONFIG_I2C_3
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{STM32_PIN_PA8, STM32F4_PINMUX_FUNC_PA8_I2C3_SCL},
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{STM32_PIN_PB4, STM32F4_PINMUX_FUNC_PB4_I2C3_SDA},
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#endif /* CONFIG_I2C_3 */
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#ifdef CONFIG_SPI_1
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#ifdef CONFIG_SPI_STM32_USE_HW_SS
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{STM32_PIN_PA4, STM32F4_PINMUX_FUNC_PA4_SPI1_NSS},
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#endif /* CONFIG_SPI_STM32_USE_HW_SS */
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{STM32_PIN_PA5, STM32F4_PINMUX_FUNC_PA5_SPI1_SCK},
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{STM32_PIN_PA6, STM32F4_PINMUX_FUNC_PA6_SPI1_MISO},
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{STM32_PIN_PA7, STM32F4_PINMUX_FUNC_PA7_SPI1_MOSI},
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#endif /* CONFIG_SPI_1 */
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};
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static int pinmux_stm32_init(struct device *port)
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{
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ARG_UNUSED(port);
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stm32_setup_pins(pinconf, ARRAY_SIZE(pinconf));
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return 0;
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}
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SYS_INIT(pinmux_stm32_init, PRE_KERNEL_1,
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CONFIG_PINMUX_STM32_DEVICE_INITIALIZATION_PRIORITY);
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