| /* |
| * Copyright (c) 2018 Bryan O'Donoghue |
| * Copyright (c) 2019 Benjamin Valentin |
| * |
| * 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)); |
| const struct device *muxc = DEVICE_DT_GET(DT_NODELABEL(pinmux_c)); |
| |
| ARG_UNUSED(dev); |
| |
| if (!device_is_ready(muxa)) { |
| return -ENXIO; |
| } |
| if (!device_is_ready(muxb)) { |
| return -ENXIO; |
| } |
| if (!device_is_ready(muxc)) { |
| return -ENXIO; |
| } |
| |
| #if (ATMEL_SAM0_DT_SERCOM_CHECK(0, atmel_sam0_spi) && CONFIG_SPI_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if (ATMEL_SAM0_DT_SERCOM_CHECK(1, atmel_sam0_spi) && CONFIG_SPI_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if (ATMEL_SAM0_DT_SERCOM_CHECK(2, atmel_sam0_spi) && CONFIG_SPI_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if (ATMEL_SAM0_DT_SERCOM_CHECK(3, atmel_sam0_spi) && CONFIG_SPI_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if (ATMEL_SAM0_DT_SERCOM_CHECK(4, atmel_sam0_spi) && CONFIG_SPI_SAM0) |
| /** |
| * SPI SERCOM4 on |
| * MISO = PC19/pad 0, |
| * CS = PB31/pad 1, |
| * MOSI = PB30/pad 2, |
| * SCK = PC18/pad 3 |
| */ |
| pinmux_pin_set(muxc, 19, PINMUX_FUNC_F); |
| pinmux_pin_set(muxb, 31, PINMUX_FUNC_F); |
| pinmux_pin_set(muxb, 30, PINMUX_FUNC_F); |
| pinmux_pin_set(muxc, 18, PINMUX_FUNC_F); |
| #endif |
| #if (ATMEL_SAM0_DT_SERCOM_CHECK(5, atmel_sam0_spi) && CONFIG_SPI_SAM0) |
| 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 (ATMEL_SAM0_DT_SERCOM_CHECK(0, atmel_sam0_i2c) && CONFIG_I2C_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if (ATMEL_SAM0_DT_SERCOM_CHECK(1, atmel_sam0_i2c) && CONFIG_I2C_SAM0) |
| /* SERCOM1 on SDA=PA16, SCL=PA17 */ |
| pinmux_pin_set(muxa, 16, PINMUX_FUNC_C); |
| pinmux_pin_set(muxa, 17, PINMUX_FUNC_C); |
| #endif |
| #if (ATMEL_SAM0_DT_SERCOM_CHECK(2, atmel_sam0_i2c) && CONFIG_I2C_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if (ATMEL_SAM0_DT_SERCOM_CHECK(3, atmel_sam0_i2c) && CONFIG_I2C_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if (ATMEL_SAM0_DT_SERCOM_CHECK(4, atmel_sam0_i2c) && CONFIG_I2C_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if (ATMEL_SAM0_DT_SERCOM_CHECK(5, atmel_sam0_i2c) && CONFIG_I2C_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| |
| #if (ATMEL_SAM0_DT_TCC_CHECK(0, atmel_sam0_tcc_pwm) && \ |
| defined(CONFIG_PWM_SAM0_TCC)) |
| |
| /* TCC0 on WO3=PA19 */ |
| pinmux_pin_set(muxa, 19, PINMUX_FUNC_F); |
| #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_2, CONFIG_PINMUX_INIT_PRIORITY); |