zephyr/boards/arm/atsamd21_xpro/pinmux.c

73 lines
2.0 KiB
C

/*
* Copyright (c) 2018 Bryan O'Donoghue
*
* 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(CONFIG_PINMUX_SAM0_A_LABEL);
struct device *muxb = device_get_binding(CONFIG_PINMUX_SAM0_B_LABEL);
ARG_UNUSED(dev);
#if CONFIG_UART_SAM0_SERCOM0_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 CONFIG_UART_SAM0_SERCOM1_BASE_ADDRESS
/* SERCOM3 ON RX=PA19, TX=PA16 */
pinmux_pin_set(muxa, 19, PINMUX_FUNC_C);
pinmux_pin_set(muxa, 16, PINMUX_FUNC_C);
#endif
#if CONFIG_UART_SAM0_SERCOM2_BASE_ADDRESS
#error Pin mapping is not configured
#endif
#if CONFIG_UART_SAM0_SERCOM3_BASE_ADDRESS
/* SERCOM3 ON RX=PA23, TX=PA22 */
pinmux_pin_set(muxa, 23, PINMUX_FUNC_C);
pinmux_pin_set(muxa, 22, PINMUX_FUNC_C);
#endif
#if CONFIG_UART_SAM0_SERCOM4_BASE_ADDRESS
#error Pin mapping is not configured
#endif
#if CONFIG_UART_SAM0_SERCOM5_BASE_ADDRESS
#error Pin mapping is not configured
#endif
#if CONFIG_SPI_SAM0_SERCOM0_BASE_ADDRESS
#error Pin mapping is not configured
#endif
#if CONFIG_SPI_SAM0_SERCOM1_BASE_ADDRESS
#error Pin mapping is not configured
#endif
#if CONFIG_SPI_SAM0_SERCOM2_BASE_ADDRESS
#error Pin mapping is not configured
#endif
#if CONFIG_SPI_SAM0_SERCOM3_BASE_ADDRESS
#error Pin mapping is not configured
#endif
#if CONFIG_SPI_SAM0_SERCOM4_BASE_ADDRESS
#error Pin mapping is not configured
#endif
#if CONFIG_SPI_SAM0_SERCOM5_BASE_ADDRESS
/* SPI SERCOM5 on MISO=PB16/pad 0, MOSI=PB22/pad 2, SCK=PB23/pad 3 */
pinmux_pin_set(muxb, 16, PINMUX_FUNC_C);
pinmux_pin_set(muxb, 22, PINMUX_FUNC_D);
pinmux_pin_set(muxb, 23, PINMUX_FUNC_D);
#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);