77 lines
1.9 KiB
C
77 lines
1.9 KiB
C
/*
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* Copyright (c) 2018 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 <pinmux.h>
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static int board_pinmux_init(struct device *dev)
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{
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struct device *muxa = device_get_binding(DT_PINMUX_SAM0_A_LABEL);
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ARG_UNUSED(dev);
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#if DT_UART_SAM0_SERCOM0_BASE_ADDRESS
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/* SERCOM0 on RX=PA7/pad 3, TX=PA6/pad 2 */
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pinmux_pin_set(muxa, 7, PINMUX_FUNC_D);
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pinmux_pin_set(muxa, 6, PINMUX_FUNC_D);
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#endif
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#if DT_UART_SAM0_SERCOM2_BASE_ADDRESS
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/* SERCOM2 on RX=PA9/pad 1, TX=PA8/pad 0 */
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pinmux_pin_set(muxa, 9, PINMUX_FUNC_D);
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pinmux_pin_set(muxa, 8, PINMUX_FUNC_D);
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#endif
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#if DT_UART_SAM0_SERCOM1_BASE_ADDRESS
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#error Pin mapping is not configured
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#endif
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#if DT_UART_SAM0_SERCOM3_BASE_ADDRESS
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#error Pin mapping is not configured
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#endif
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#if DT_UART_SAM0_SERCOM4_BASE_ADDRESS
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#error Pin mapping is not configured
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#endif
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#if DT_UART_SAM0_SERCOM5_BASE_ADDRESS
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#error Pin mapping is not configured
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#endif
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#if DT_SPI_SAM0_SERCOM0_BASE_ADDRESS
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/* SPI SERCOM0 on MISO=PA9/pad 1, MOSI=PA6/pad 2, SCK=PA7/pad 3 */
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pinmux_pin_set(muxa, 9, PINMUX_FUNC_D);
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pinmux_pin_set(muxa, 6, PINMUX_FUNC_D);
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pinmux_pin_set(muxa, 7, PINMUX_FUNC_D);
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#endif
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#if DT_SPI_SAM0_SERCOM1_BASE_ADDRESS
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/* SPI SERCOM1 on MOSI=PA0/pad 0, SCK=PA1/pad 1 */
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pinmux_pin_set(muxa, 0, PINMUX_FUNC_D);
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pinmux_pin_set(muxa, 1, PINMUX_FUNC_D);
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#endif
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#if DT_SPI_SAM0_SERCOM2_BASE_ADDRESS
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#error Pin mapping is not configured
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#endif
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#if DT_SPI_SAM0_SERCOM3_BASE_ADDRESS
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#error Pin mapping is not configured
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#endif
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#if DT_SPI_SAM0_SERCOM4_BASE_ADDRESS
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#error Pin mapping is not configured
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#endif
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#if DT_SPI_SAM0_SERCOM5_BASE_ADDRESS
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#error Pin mapping is not 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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