Michael Hope
2dd255d195
The Arduino Nano 33 IOT is a a small form factor development board with USB, Wifi, Bluetooth, a 6 axis IMU, and secure element. Signed-off-by: Michael Hope <mlhx@google.com>
111 lines
3.2 KiB
C
111 lines
3.2 KiB
C
/*
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* Copyright (c) 2020 Google LLC.
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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(struct device *dev)
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{
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struct device *muxa =
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device_get_binding(DT_LABEL(DT_NODELABEL(pinmux_a)));
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struct device *muxb =
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device_get_binding(DT_LABEL(DT_NODELABEL(pinmux_b)));
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ARG_UNUSED(dev);
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#if defined(CONFIG_UART_SAM0)
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#if ATMEL_SAM0_DT_SERCOM_CHECK(3, atmel_sam0_uart)
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/* SERCOM3 on RX=PA23/pad 1, TX=PA22/pad 0 */
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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(5, atmel_sam0_uart)
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/* SERCOM5 on RX=PB23/pad 3, TX=PB22/pad 2 */
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pinmux_pin_set(muxb, 23, PINMUX_FUNC_D);
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pinmux_pin_set(muxb, 22, PINMUX_FUNC_D);
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#endif
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#if ATMEL_SAM0_DT_SERCOM_CHECK(0, atmel_sam0_uart)
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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_uart)
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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)
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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)
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#warning Pin mapping may not be configured
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#endif
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#endif
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#if defined(CONFIG_SPI_SAM0)
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#if ATMEL_SAM0_DT_SERCOM_CHECK(1, atmel_sam0_spi)
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/* SPI SERCOM1 on MISO=PA19/pad 3, MOSI=PA16/pad 0, SCK=PA17/pad 1 */
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pinmux_pin_set(muxa, 16, PINMUX_FUNC_D);
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pinmux_pin_set(muxa, 17, PINMUX_FUNC_D);
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pinmux_pin_set(muxa, 19, PINMUX_FUNC_D);
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#endif
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#if ATMEL_SAM0_DT_SERCOM_CHECK(2, atmel_sam0_spi)
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/* SPI SERCOM2 on MISO=PA13/pad 1, MOSI=PA12/pad 0, SCK=PA15/pad 3 */
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pinmux_pin_set(muxa, 12, PINMUX_FUNC_C);
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pinmux_pin_set(muxa, 13, PINMUX_FUNC_C);
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pinmux_pin_set(muxa, 15, PINMUX_FUNC_C);
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#endif
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#if ATMEL_SAM0_DT_SERCOM_CHECK(0, atmel_sam0_spi)
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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)
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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)
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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)
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#warning Pin mapping may not be configured
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#endif
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#endif /* CONFIG_SPI_SAM0 */
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#if defined(CONFIG_I2C_SAM0)
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#if ATMEL_SAM0_DT_SERCOM_CHECK(4, atmel_sam0_i2c)
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/* SDA on PB8/pad 0 SCL on PB9/pad 1 */
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pinmux_pin_set(muxb, 8, PINMUX_FUNC_D);
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pinmux_pin_set(muxb, 9, PINMUX_FUNC_D);
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#endif
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#if ATMEL_SAM0_DT_SERCOM_CHECK(0, atmel_sam0_i2c)
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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)
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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)
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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)
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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)
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#warning Pin mapping may not be configured
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#endif
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#endif
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#if defined(CONFIG_PWM_SAM0_TCC)
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#if ATMEL_SAM0_DT_TCC_CHECK(2, atmel_sam0_tcc_pwm)
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/* LED0 on PA17/TCC2/WO[1] */
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pinmux_pin_set(muxa, 17, PINMUX_FUNC_E);
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#endif
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#endif
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if (IS_ENABLED(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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}
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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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