58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
/*
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* Copyright (c) 2017 Linaro Limited
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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 <pinmux.h>
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#include <sys_io.h>
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#include <pinmux/stm32/pinmux_stm32.h>
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/* pin assignments for Disco L475 IOT1 board */
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static const struct pin_config pinconf[] = {
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#ifdef CONFIG_UART_STM32_PORT_1
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{STM32_PIN_PB6, STM32L4X_PINMUX_FUNC_PB6_USART1_TX},
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{STM32_PIN_PB7, STM32L4X_PINMUX_FUNC_PB7_USART1_RX},
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#endif /* CONFIG_UART_STM32_PORT_1 */
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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_2
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/* I2C2 is used for NFC, STSAFE, ToF & MEMS sensors */
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{STM32_PIN_PB10, STM32L4X_PINMUX_FUNC_PB10_I2C2_SCL},
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{STM32_PIN_PB11, STM32L4X_PINMUX_FUNC_PB11_I2C2_SDA},
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#endif /* CONFIG_I2C_2 */
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#ifdef CONFIG_SPI_1
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{STM32_PIN_PA5, STM32L4X_PINMUX_FUNC_PA5_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_3
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/* SPI3 is used for BT/WIFI, Sub GHZ communication */
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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_OSPEEDR_VERY_HIGH_SPEED},
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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_PWM_STM32_2
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{STM32_PIN_PA15, STM32L4X_PINMUX_FUNC_PA15_PWM2_CH1},
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#endif /* CONFIG_PWM_STM32_2 */
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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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