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https://github.com/zephyrproject-rtos/zephyr
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8ffbf01957
I2C support was tested with the bme280 sample. Signed-off-by: Jacek Ozimek <jacek.ozmk@gmail.com>
95 lines
3.2 KiB
C
95 lines
3.2 KiB
C
/*
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* Copyright (c) 2018 Henrik Brix Andersen <henrik@brixandersen.dk>
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <init.h>
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#include <drivers/pinmux.h>
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#include <soc.h>
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static int board_pinmux_init(const struct device *dev)
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{
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const struct device *muxa = device_get_binding(DT_LABEL(DT_NODELABEL(pinmux_a)));
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#if (ATMEL_SAM0_DT_SERCOM_CHECK(4, atmel_sam0_spi) && CONFIG_SPI_SAM0)
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const struct device *muxb = device_get_binding(DT_LABEL(DT_NODELABEL(pinmux_b)));
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#endif
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ARG_UNUSED(dev);
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#if (ATMEL_SAM0_DT_SERCOM_CHECK(0, atmel_sam0_uart) && CONFIG_UART_SAM0)
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/* SERCOM0 on RX=PA11/pad 3, TX=PA10/pad 2 */
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pinmux_pin_set(muxa, 11, PINMUX_FUNC_C);
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pinmux_pin_set(muxa, 10, PINMUX_FUNC_C);
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#endif
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#if (ATMEL_SAM0_DT_SERCOM_CHECK(1, atmel_sam0_uart) && CONFIG_UART_SAM0)
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#warning Pin mapping may not be configured
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#endif
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#if (ATMEL_SAM0_DT_SERCOM_CHECK(2, atmel_sam0_uart) && CONFIG_UART_SAM0)
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#warning Pin mapping may not be configured
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#endif
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#if (ATMEL_SAM0_DT_SERCOM_CHECK(3, atmel_sam0_uart) && CONFIG_UART_SAM0)
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#warning Pin mapping may not be configured
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#endif
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#if (ATMEL_SAM0_DT_SERCOM_CHECK(4, atmel_sam0_uart) && CONFIG_UART_SAM0)
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#warning Pin mapping may not be configured
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#endif
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#if (ATMEL_SAM0_DT_SERCOM_CHECK(5, atmel_sam0_uart) && CONFIG_UART_SAM0)
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#warning Pin mapping may not be configured
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#endif
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#if (ATMEL_SAM0_DT_SERCOM_CHECK(4, atmel_sam0_spi) && CONFIG_SPI_SAM0)
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/* SPI SERCOM4 on MISO=PA12/pad 0, MOSI=PB10/pad 2, SCK=PB11/pad 3 */
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pinmux_pin_set(muxa, 12, PINMUX_FUNC_D);
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pinmux_pin_set(muxb, 10, PINMUX_FUNC_D);
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pinmux_pin_set(muxb, 11, PINMUX_FUNC_D);
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#endif
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#if (ATMEL_SAM0_DT_SERCOM_CHECK(0, atmel_sam0_spi) && CONFIG_SPI_SAM0)
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#warning Pin mapping may not be configured
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#endif
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#if (ATMEL_SAM0_DT_SERCOM_CHECK(1, atmel_sam0_spi) && CONFIG_SPI_SAM0)
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#warning Pin mapping may not be configured
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#endif
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#if (ATMEL_SAM0_DT_SERCOM_CHECK(2, atmel_sam0_spi) && CONFIG_SPI_SAM0)
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#warning Pin mapping may not be configured
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#endif
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#if (ATMEL_SAM0_DT_SERCOM_CHECK(3, atmel_sam0_spi) && CONFIG_SPI_SAM0)
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#warning Pin mapping may not be configured
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#endif
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#if (ATMEL_SAM0_DT_SERCOM_CHECK(5, atmel_sam0_spi) && CONFIG_SPI_SAM0)
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#warning Pin mapping may not be configured
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#endif
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#if (ATMEL_SAM0_DT_SERCOM_CHECK(3, atmel_sam0_i2c) && CONFIG_I2C_SAM0)
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/* SERCOM3 on SDA=PA22/pad 0, SCL=PA23/pad 1 */
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pinmux_pin_set(muxa, 22, PINMUX_FUNC_C);
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pinmux_pin_set(muxa, 23, PINMUX_FUNC_C);
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#endif
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#if (ATMEL_SAM0_DT_SERCOM_CHECK(0, atmel_sam0_i2c) && CONFIG_I2C_SAM0)
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#warning Pin mapping may not be configured
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#endif
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#if (ATMEL_SAM0_DT_SERCOM_CHECK(1, atmel_sam0_i2c) && CONFIG_I2C_SAM0)
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#warning Pin mapping may not be configured
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#endif
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#if (ATMEL_SAM0_DT_SERCOM_CHECK(2, atmel_sam0_i2c) && CONFIG_I2C_SAM0)
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#warning Pin mapping may not be configured
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#endif
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#if (ATMEL_SAM0_DT_SERCOM_CHECK(4, atmel_sam0_i2c) && CONFIG_I2C_SAM0)
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#warning Pin mapping may not be configured
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#endif
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#if (ATMEL_SAM0_DT_SERCOM_CHECK(5, atmel_sam0_i2c) && CONFIG_I2C_SAM0)
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#warning Pin mapping may not be configured
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#endif
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#ifdef CONFIG_USB_DC_SAM0
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/* USB DP on PA25, USB DM on PA24 */
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pinmux_pin_set(muxa, 25, PINMUX_FUNC_G);
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pinmux_pin_set(muxa, 24, PINMUX_FUNC_G);
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#endif
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return 0;
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}
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SYS_INIT(board_pinmux_init, PRE_KERNEL_1, CONFIG_PINMUX_INIT_PRIORITY);
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