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/* * Copyright (c) 2018 Bryan O'Donoghue * Copyright (c) 2019 Benjamin Valentin * * SPDX-License-Identifier: Apache-2.0 */ #include <init.h> #include <drivers/pinmux.h> static int board_pinmux_init(struct device *dev) { struct device *muxa = device_get_binding(DT_ATMEL_SAM0_PINMUX_PINMUX_A_LABEL); struct device *muxb = device_get_binding(DT_ATMEL_SAM0_PINMUX_PINMUX_B_LABEL); struct device *muxc = device_get_binding(DT_ATMEL_SAM0_PINMUX_PINMUX_C_LABEL); ARG_UNUSED(dev); #if DT_ATMEL_SAM0_UART_SERCOM_0_BASE_ADDRESS /* SERCOM0 on RX=PA5, TX=PA4 */ pinmux_pin_set(muxa, 4, PINMUX_FUNC_D); pinmux_pin_set(muxa, 5, PINMUX_FUNC_D); #endif #if DT_ATMEL_SAM0_UART_SERCOM_1_BASE_ADDRESS #error Pin mapping is not configured #endif #if DT_ATMEL_SAM0_UART_SERCOM_2_BASE_ADDRESS #error Pin mapping is not configured #endif #if DT_ATMEL_SAM0_UART_SERCOM_3_BASE_ADDRESS #error Pin mapping is not configured #endif #if DT_ATMEL_SAM0_UART_SERCOM_4_BASE_ADDRESS #error Pin mapping is not configured #endif #if DT_ATMEL_SAM0_UART_SERCOM_5_BASE_ADDRESS /* SERCOM5 on RX=PA23, TX=PA22 */ pinmux_pin_set(muxa, 22, PINMUX_FUNC_D); pinmux_pin_set(muxa, 23, PINMUX_FUNC_D); #endif #if DT_ATMEL_SAM0_SPI_SERCOM_0_BASE_ADDRESS #error Pin mapping is not configured #endif #if DT_ATMEL_SAM0_SPI_SERCOM_1_BASE_ADDRESS #error Pin mapping is not configured #endif #if DT_ATMEL_SAM0_SPI_SERCOM_2_BASE_ADDRESS #error Pin mapping is not configured #endif #if DT_ATMEL_SAM0_SPI_SERCOM_3_BASE_ADDRESS #error Pin mapping is not configured #endif #if DT_ATMEL_SAM0_SPI_SERCOM_4_BASE_ADDRESS /** * SPI SERCOM4 on * MISO = PC19/pad 0, * CS = PB31/pad 1, * MOSI = PB30/pad 2, * SCK = PC18/pad 3 */ pinmux_pin_set(muxc, 19, PINMUX_FUNC_F); pinmux_pin_set(muxb, 31, PINMUX_FUNC_F); pinmux_pin_set(muxb, 30, PINMUX_FUNC_F); pinmux_pin_set(muxc, 18, PINMUX_FUNC_F); #endif #if DT_ATMEL_SAM0_SPI_SERCOM_5_BASE_ADDRESS pinmux_pin_set(muxb, 2, PINMUX_FUNC_D); pinmux_pin_set(muxb, 22, PINMUX_FUNC_D); pinmux_pin_set(muxb, 23, PINMUX_FUNC_D); #endif #if DT_ATMEL_SAM0_I2C_SERCOM_0_BASE_ADDRESS #error Pin mapping is not configured #endif #if DT_ATMEL_SAM0_I2C_SERCOM_1_BASE_ADDRESS /* SERCOM1 on SDA=PA16, SCL=PA17 */ pinmux_pin_set(muxa, 16, PINMUX_FUNC_C); pinmux_pin_set(muxa, 17, PINMUX_FUNC_C); #endif #if DT_ATMEL_SAM0_I2C_SERCOM_2_BASE_ADDRESS #error Pin mapping is not configured #endif #if DT_ATMEL_SAM0_I2C_SERCOM_3_BASE_ADDRESS #error Pin mapping is not configured #endif #if DT_ATMEL_SAM0_I2C_SERCOM_4_BASE_ADDRESS #error Pin mapping is not configured #endif #if DT_ATMEL_SAM0_I2C_SERCOM_5_BASE_ADDRESS #error Pin mapping is not configured #endif #ifdef CONFIG_USB_DC_SAM0 /* USB DP on PA25, USB DM on PA24 */ pinmux_pin_set(muxa, 25, PINMUX_FUNC_G); pinmux_pin_set(muxa, 24, PINMUX_FUNC_G); #endif return 0; } SYS_INIT(board_pinmux_init, PRE_KERNEL_1, CONFIG_PINMUX_INIT_PRIORITY); |