| /* |
| * Copyright (c) 2020 Google LLC. |
| * |
| * 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))); |
| const struct device *muxb = |
| device_get_binding(DT_LABEL(DT_NODELABEL(pinmux_b))); |
| |
| ARG_UNUSED(dev); |
| (void)muxa; |
| (void)muxb; |
| |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(3, atmel_sam0_uart) && defined(CONFIG_UART_SAM0) |
| /* SERCOM3 on RX=PA16/pad 1, TX=PA17/pad 0 */ |
| pinmux_pin_set(muxa, 16, PINMUX_FUNC_D); |
| pinmux_pin_set(muxa, 17, PINMUX_FUNC_D); |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(0, atmel_sam0_uart) && defined(CONFIG_UART_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(1, atmel_sam0_uart) && defined(CONFIG_UART_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(2, atmel_sam0_uart) && defined(CONFIG_UART_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(4, atmel_sam0_uart) && defined(CONFIG_UART_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(5, atmel_sam0_uart) && defined(CONFIG_UART_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(1, atmel_sam0_spi) && defined(CONFIG_SPI_SAM0) |
| /* SPI SERCOM1 on MISO=PB23/pad 3, MOSI=PA0/pad 0, SCK=PA1/pad 1 */ |
| pinmux_pin_set(muxa, 0, PINMUX_FUNC_D); |
| pinmux_pin_set(muxa, 1, PINMUX_FUNC_D); |
| pinmux_pin_set(muxb, 23, PINMUX_FUNC_C); |
| #endif |
| |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(0, atmel_sam0_spi) && defined(CONFIG_SPI_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(2, atmel_sam0_spi) && defined(CONFIG_SPI_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(4, atmel_sam0_spi) && defined(CONFIG_SPI_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(5, atmel_sam0_spi) && defined(CONFIG_SPI_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| |
| #if defined(CONFIG_PWM_SAM0_TCC) |
| #if ATMEL_SAM0_DT_TCC_CHECK(0, atmel_sam0_tcc_pwm) |
| /* TCC0/WO[2] on PA22 (LED) */ |
| pinmux_pin_set(muxa, 22, PINMUX_FUNC_G); |
| #endif |
| #if ATMEL_SAM0_DT_TCC_CHECK(1, atmel_sam0_tcc_pwm) |
| /* TCC1/WO[2] on PA18 (D7) */ |
| pinmux_pin_set(muxa, 18, PINMUX_FUNC_F); |
| /* TCC1/WO[3] on PA19 (D9) */ |
| pinmux_pin_set(muxa, 19, PINMUX_FUNC_F); |
| #endif |
| #endif |
| |
| if (IS_ENABLED(CONFIG_USB_DC_SAM0)) { |
| /* USB DP on PA25, USB DM on PA24 */ |
| pinmux_pin_set(muxa, 25, PINMUX_FUNC_H); |
| pinmux_pin_set(muxa, 24, PINMUX_FUNC_H); |
| } |
| |
| return 0; |
| } |
| |
| SYS_INIT(board_pinmux_init, PRE_KERNEL_1, CONFIG_PINMUX_INIT_PRIORITY); |