| /* |
| * 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_DT_GET(DT_NODELABEL(pinmux_a)); |
| const struct device *muxb = DEVICE_DT_GET(DT_NODELABEL(pinmux_b)); |
| |
| ARG_UNUSED(dev); |
| |
| if (!device_is_ready(muxa)) { |
| return -ENXIO; |
| } |
| if (!device_is_ready(muxb)) { |
| return -ENXIO; |
| } |
| |
| #if defined(CONFIG_SPI_SAM0) |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(1, atmel_sam0_spi) |
| /* SPI SERCOM1 on MISO=PA19/pad 3, MOSI=PA16/pad 0, SCK=PA17/pad 1 */ |
| pinmux_pin_set(muxa, 16, PINMUX_FUNC_D); |
| pinmux_pin_set(muxa, 17, PINMUX_FUNC_D); |
| pinmux_pin_set(muxa, 19, PINMUX_FUNC_D); |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(2, atmel_sam0_spi) |
| /* SPI SERCOM2 on MISO=PA13/pad 1, MOSI=PA12/pad 0, SCK=PA15/pad 3 */ |
| pinmux_pin_set(muxa, 12, PINMUX_FUNC_C); |
| pinmux_pin_set(muxa, 13, PINMUX_FUNC_C); |
| pinmux_pin_set(muxa, 15, PINMUX_FUNC_C); |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(0, atmel_sam0_spi) |
| #warning Pin mapping may not be configured |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(3, atmel_sam0_spi) |
| #warning Pin mapping may not be configured |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(4, atmel_sam0_spi) |
| #warning Pin mapping may not be configured |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(5, atmel_sam0_spi) |
| #warning Pin mapping may not be configured |
| #endif |
| #endif /* CONFIG_SPI_SAM0 */ |
| |
| #if defined(CONFIG_I2C_SAM0) |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(4, atmel_sam0_i2c) |
| /* SDA on PB8/pad 0 SCL on PB9/pad 1 */ |
| pinmux_pin_set(muxb, 8, PINMUX_FUNC_D); |
| pinmux_pin_set(muxb, 9, PINMUX_FUNC_D); |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(0, atmel_sam0_i2c) |
| #warning Pin mapping may not be configured |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(1, atmel_sam0_i2c) |
| #warning Pin mapping may not be configured |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(2, atmel_sam0_i2c) |
| #warning Pin mapping may not be configured |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(3, atmel_sam0_i2c) |
| #warning Pin mapping may not be configured |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(5, atmel_sam0_i2c) |
| #warning Pin mapping may not be configured |
| #endif |
| #endif |
| |
| #if defined(CONFIG_PWM_SAM0_TCC) |
| #if ATMEL_SAM0_DT_TCC_CHECK(2, atmel_sam0_tcc_pwm) |
| /* LED0 on PA17/TCC2/WO[1] */ |
| pinmux_pin_set(muxa, 17, PINMUX_FUNC_E); |
| #endif |
| #endif |
| |
| if (IS_ENABLED(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); |
| } |
| |
| return 0; |
| } |
| |
| SYS_INIT(board_pinmux_init, PRE_KERNEL_2, CONFIG_PINMUX_INIT_PRIORITY); |