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/* * Copyright (c) 2018 Google LLC. * * 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); ARG_UNUSED(dev); #if DT_ATMEL_SAM0_UART_SERCOM_0_BASE_ADDRESS /* SERCOM0 on RX=PA11, TX=PA10 */ pinmux_pin_set(muxa, 11, PINMUX_FUNC_C); pinmux_pin_set(muxa, 10, PINMUX_FUNC_C); #endif #if DT_ATMEL_SAM0_UART_SERCOM_5_BASE_ADDRESS /* SERCOM5 on RX=PB23, TX=PB22 */ pinmux_pin_set(muxb, 23, PINMUX_FUNC_D); pinmux_pin_set(muxb, 22, 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_SPI_SERCOM_4_BASE_ADDRESS /* SPI SERCOM4 on MISO=PA12/pad 0, MOSI=PB10/pad 2, SCK=PB11/pad 3 */ pinmux_pin_set(muxa, 12, PINMUX_FUNC_D); pinmux_pin_set(muxb, 10, PINMUX_FUNC_D); pinmux_pin_set(muxb, 11, 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_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); |