68 lines
1.9 KiB
C
68 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 <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_DT_GET(DT_NODELABEL(pinmux_a));
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const struct device *muxb = DEVICE_DT_GET(DT_NODELABEL(pinmux_b));
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ARG_UNUSED(dev);
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if (!device_is_ready(muxa)) {
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return -ENXIO;
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}
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if (!device_is_ready(muxb)) {
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return -ENXIO;
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}
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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_TCC_CHECK(2, atmel_sam0_tcc_pwm) && \
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defined(CONFIG_PWM_SAM0_TCC)
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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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#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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#if DT_NODE_HAS_STATUS(DT_NODELABEL(dac0), okay) && defined(CONFIG_DAC_SAM0)
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/* DAC on PA02 */
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pinmux_pin_set(muxa, 2, PINMUX_FUNC_B);
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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_2, CONFIG_PINMUX_INIT_PRIORITY);
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