zephyr/boards/arm/atsamd20_xpro/pinmux.c

65 lines
1.6 KiB
C

/*
* Copyright (c) 2018 Sean Nyekjaer
*
* 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_PINMUX_SAM0_A_LABEL);
struct device *muxb = device_get_binding(DT_PINMUX_SAM0_B_LABEL);
ARG_UNUSED(dev);
#if DT_UART_SAM0_SERCOM0_BASE_ADDRESS
#error Pin mapping is not configured
#endif
#if DT_UART_SAM0_SERCOM1_BASE_ADDRESS
#error Pin mapping is not configured
#endif
#if DT_UART_SAM0_SERCOM2_BASE_ADDRESS
#error Pin mapping is not configured
#endif
#if DT_UART_SAM0_SERCOM3_BASE_ADDRESS
/* SERCOM3 on RX=PA25, TX=PA24 */
pinmux_pin_set(muxa, 24, PINMUX_FUNC_C);
pinmux_pin_set(muxa, 25, PINMUX_FUNC_C);
#endif
#if DT_UART_SAM0_SERCOM4_BASE_ADDRESS
pinmux_pin_set(muxb, 8, PINMUX_FUNC_D);
pinmux_pin_set(muxb, 9, PINMUX_FUNC_D);
#endif
#if DT_UART_SAM0_SERCOM5_BASE_ADDRESS
#error Pin mapping is not configured
#endif
#if DT_SPI_SAM0_SERCOM0_BASE_ADDRESS
/* SPI SERCOM0 on MISO=PA04, MOSI=PA06, SCK=PA07 */
pinmux_pin_set(muxa, 4, PINMUX_FUNC_D);
pinmux_pin_set(muxa, 6, PINMUX_FUNC_D);
pinmux_pin_set(muxa, 7, PINMUX_FUNC_D);
#endif
#if DT_SPI_SAM0_SERCOM1_BASE_ADDRESS
#error Pin mapping is not configured
#endif
#if DT_SPI_SAM0_SERCOM2_BASE_ADDRESS
#error Pin mapping is not configured
#endif
#if DT_SPI_SAM0_SERCOM3_BASE_ADDRESS
#error Pin mapping is not configured
#endif
#if DT_SPI_SAM0_SERCOM4_BASE_ADDRESS
#error Pin mapping is not configured
#endif
#if DT_SPI_SAM0_SERCOM5_BASE_ADDRESS
#error Pin mapping is not configured
#endif
return 0;
}
SYS_INIT(board_pinmux_init, PRE_KERNEL_1, CONFIG_PINMUX_INIT_PRIORITY);