85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
/*
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* Copyright (c) 2016 Open-RnD Sp. z o.o.
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* Copyright (c) 2016 BayLibre, SAS
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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 NUCLEO-L476RG 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_PA9, STM32L4X_PINMUX_FUNC_PA9_USART1_TX},
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{STM32_PIN_PA10, STM32L4X_PINMUX_FUNC_PA10_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, STM32L4X_PINMUX_FUNC_PA2_USART2_TX},
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{STM32_PIN_PA3, STM32L4X_PINMUX_FUNC_PA3_USART2_RX},
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#endif /* CONFIG_UART_2 */
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#ifdef CONFIG_UART_3
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{STM32_PIN_PB10, STM32L4X_PINMUX_FUNC_PB10_USART3_TX},
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{STM32_PIN_PB11, STM32L4X_PINMUX_FUNC_PB11_USART3_RX},
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#endif /* CONFIG_UART_3 */
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#ifdef CONFIG_I2C_1
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{STM32_PIN_PB8, STM32L4X_PINMUX_FUNC_PB8_I2C1_SCL},
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{STM32_PIN_PB9, STM32L4X_PINMUX_FUNC_PB9_I2C1_SDA},
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#endif /* CONFIG_I2C_1 */
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#ifdef CONFIG_I2C_3
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{STM32_PIN_PC0, STM32L4X_PINMUX_FUNC_PC0_I2C3_SCL},
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{STM32_PIN_PC1, STM32L4X_PINMUX_FUNC_PC1_I2C3_SDA},
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#endif /* CONFIG_I2C_3 */
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#ifdef CONFIG_PWM_STM32_2
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{STM32_PIN_PA0, STM32L4X_PINMUX_FUNC_PA0_PWM2_CH1},
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#endif /* CONFIG_PWM_STM32_2 */
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#ifdef CONFIG_SPI_1
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/* SPI1 on the Arduino connectors pins A2, D3, D12, D11 */
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#ifdef CONFIG_SPI_STM32_USE_HW_SS
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{STM32_PIN_PA4, STM32L4X_PINMUX_FUNC_PA4_SPI1_NSS},
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#endif /* CONFIG_SPI_STM32_USE_HW_SS */
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/* SPI1_SCK should output on PA5, but is used for LD2 */
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{STM32_PIN_PB3, STM32L4X_PINMUX_FUNC_PB3_SPI1_SCK},
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{STM32_PIN_PA6, STM32L4X_PINMUX_FUNC_PA6_SPI1_MISO},
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{STM32_PIN_PA7, STM32L4X_PINMUX_FUNC_PA7_SPI1_MOSI},
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#endif /* CONFIG_SPI_1 */
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#ifdef CONFIG_SPI_2
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/* SPI2 on the ST Morpho Connector CN10 pins 16, 30, 28, 26*/
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#ifdef CONFIG_SPI_STM32_USE_HW_SS
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{STM32_PIN_PB12, STM32L4X_PINMUX_FUNC_PB12_SPI2_NSS},
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#endif /* CONFIG_SPI_STM32_USE_HW_SS */
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{STM32_PIN_PB13, STM32L4X_PINMUX_FUNC_PB13_SPI2_SCK},
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{STM32_PIN_PB14, STM32L4X_PINMUX_FUNC_PB14_SPI2_MISO},
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{STM32_PIN_PB15, STM32L4X_PINMUX_FUNC_PB15_SPI2_MOSI},
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#endif /* CONFIG_SPI_1 */
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#ifdef CONFIG_SPI_3
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/* SPI3 on the ST Morpho Connector CN7 pins 17, 1, 2, 3*/
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#ifdef CONFIG_SPI_STM32_USE_HW_SS
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{STM32_PIN_PA15, STM32L4X_PINMUX_FUNC_PA15_SPI3_NSS},
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#endif /* CONFIG_SPI_STM32_USE_HW_SS */
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{STM32_PIN_PC10, STM32L4X_PINMUX_FUNC_PC10_SPI3_SCK},
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{STM32_PIN_PC11, STM32L4X_PINMUX_FUNC_PC11_SPI3_MISO},
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{STM32_PIN_PC12, STM32L4X_PINMUX_FUNC_PC12_SPI3_MOSI},
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#endif /* CONFIG_SPI_3 */
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#ifdef CONFIG_ADC_1
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{STM32_PIN_PC0, STM32L4X_PINMUX_FUNC_PC0_ADC123_IN1},
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#endif /* CONFIG_ADC_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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