zephyr/boards/arm/atsamr21_xpro/pinmux.c

92 lines
2.5 KiB
C

/*
* Copyright (c) 2018 Bryan O'Donoghue
* Copyright (c) 2019 Benjamin Valentin
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <init.h>
#include <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=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
#error Pin mapping is not configured
#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);