text: /*
   * Copyright (c) 2018 Henrik Brix Andersen <henrik@brixandersen.dk>
   *
   * SPDX-License-Identifier: Apache-2.0
   */
  
  #include <init.h>
  #include <drivers/pinmux.h>
  #include <soc.h>
  
  static int board_pinmux_init(const struct device *dev)
  {
  	const struct device *muxa = device_get_binding(DT_LABEL(DT_NODELABEL(pinmux_a)));
  #if (ATMEL_SAM0_DT_SERCOM_CHECK(4, atmel_sam0_spi) && CONFIG_SPI_SAM0)
  	const struct device *muxb = device_get_binding(DT_LABEL(DT_NODELABEL(pinmux_b)));
  #endif
  	ARG_UNUSED(dev);
  
  #if (ATMEL_SAM0_DT_SERCOM_CHECK(0, atmel_sam0_uart) && CONFIG_UART_SAM0)
  	/* SERCOM0 on RX=PA11/pad 3, TX=PA10/pad 2 */
  	pinmux_pin_set(muxa, 11, PINMUX_FUNC_C);
  	pinmux_pin_set(muxa, 10, PINMUX_FUNC_C);
  #endif
  
  #if (ATMEL_SAM0_DT_SERCOM_CHECK(1, atmel_sam0_uart) && CONFIG_UART_SAM0)
  #warning Pin mapping may not be configured
  #endif
  #if (ATMEL_SAM0_DT_SERCOM_CHECK(2, atmel_sam0_uart) && CONFIG_UART_SAM0)
  #warning Pin mapping may not be configured
  #endif
  #if (ATMEL_SAM0_DT_SERCOM_CHECK(3, atmel_sam0_uart) && CONFIG_UART_SAM0)
  #warning Pin mapping may not be configured
  #endif
  #if (ATMEL_SAM0_DT_SERCOM_CHECK(4, atmel_sam0_uart) && CONFIG_UART_SAM0)
  #warning Pin mapping may not be configured
  #endif
  #if (ATMEL_SAM0_DT_SERCOM_CHECK(5, atmel_sam0_uart) && CONFIG_UART_SAM0)
  #warning Pin mapping may not be configured
  #endif
  
  #if (ATMEL_SAM0_DT_SERCOM_CHECK(4, atmel_sam0_spi) && CONFIG_SPI_SAM0)
  	/* 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 (ATMEL_SAM0_DT_SERCOM_CHECK(0, atmel_sam0_spi) && CONFIG_SPI_SAM0)
  #warning Pin mapping may not be configured
  #endif
  #if (ATMEL_SAM0_DT_SERCOM_CHECK(1, atmel_sam0_spi) && CONFIG_SPI_SAM0)
  #warning Pin mapping may not be configured
  #endif
  #if (ATMEL_SAM0_DT_SERCOM_CHECK(2, atmel_sam0_spi) && CONFIG_SPI_SAM0)
  #warning Pin mapping may not be configured
  #endif
  #if (ATMEL_SAM0_DT_SERCOM_CHECK(3, atmel_sam0_spi) && CONFIG_SPI_SAM0)
  #warning Pin mapping may not be configured
  #endif
  #if (ATMEL_SAM0_DT_SERCOM_CHECK(5, atmel_sam0_spi) && CONFIG_SPI_SAM0)
  #warning Pin mapping may not be configured
  #endif
  
  #if (ATMEL_SAM0_DT_SERCOM_CHECK(3, atmel_sam0_i2c) && CONFIG_I2C_SAM0)
  	/* SERCOM3 on SDA=PA22/pad 0, SCL=PA23/pad 1 */
  	pinmux_pin_set(muxa, 22, PINMUX_FUNC_C);
  	pinmux_pin_set(muxa, 23, PINMUX_FUNC_C);
  #endif
  #if (ATMEL_SAM0_DT_SERCOM_CHECK(0, atmel_sam0_i2c) && CONFIG_I2C_SAM0)
  #warning Pin mapping may not be configured
  #endif
  #if (ATMEL_SAM0_DT_SERCOM_CHECK(1, atmel_sam0_i2c) && CONFIG_I2C_SAM0)
  #warning Pin mapping may not be configured
  #endif
  #if (ATMEL_SAM0_DT_SERCOM_CHECK(2, atmel_sam0_i2c) && CONFIG_I2C_SAM0)
  #warning Pin mapping may not be configured
  #endif
  #if (ATMEL_SAM0_DT_SERCOM_CHECK(4, atmel_sam0_i2c) && CONFIG_I2C_SAM0)
  #warning Pin mapping may not be configured
  #endif
  #if (ATMEL_SAM0_DT_SERCOM_CHECK(5, atmel_sam0_i2c) && CONFIG_I2C_SAM0)
  #warning Pin mapping may not be 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);
  