Michael Hope
754ed1fd95
The Adafruit ItsyBitsy M4 express is a small (36 mm x 18 mm) ARM development board with an onboard RGB LED, USB port, 2 MiB of SPI flash, and range of I/O broken out onto 23 GPIO pins. Signed-off-by: Michael Hope <mlhx@google.com>
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/*
|
|
* 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(struct device *dev)
|
|
{
|
|
struct device *muxa =
|
|
device_get_binding(DT_LABEL(DT_NODELABEL(pinmux_a)));
|
|
|
|
ARG_UNUSED(dev);
|
|
|
|
#if (ATMEL_SAM0_DT_SERCOM_CHECK(3, atmel_sam0_uart) && 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) && CONFIG_UART_SAM0)
|
|
#warning Pin mapping may not be configured
|
|
#endif
|
|
#if (ATMEL_SAM0_DT_SERCOM_CHECK(1, atmel_sam0_uart) && CONFIG_UART_SAM0)
|
|
#warning Pin mapping may not be configured
|
|
#endif
|
|
#if (ATMEL_SAM0_DT_SERCOM_CHECK(2, atmel_sam0_uart) && CONFIG_UART_SAM0)
|
|
#warning Pin mapping may not be configured
|
|
#endif
|
|
#if (ATMEL_SAM0_DT_SERCOM_CHECK(4, atmel_sam0_uart) && CONFIG_UART_SAM0)
|
|
#warning Pin mapping may not be configured
|
|
#endif
|
|
#if (ATMEL_SAM0_DT_SERCOM_CHECK(5, atmel_sam0_uart) && CONFIG_UART_SAM0)
|
|
#warning Pin mapping may not be configured
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
SYS_INIT(board_pinmux_init, PRE_KERNEL_1, CONFIG_PINMUX_INIT_PRIORITY);
|