mirror of
https://github.com/zephyrproject-rtos/zephyr
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9eb379f2bf
* add pinmux driver. hsdk board has arduino, mikrobus and pmod interfaces, which can be confiured for different function, such as: gpio, spi, uart, iic. * add introduction for arduino, mikrobus and pmod interfaces. Signed-off-by: Watson Zeng <zhiwei@synopsys.com>
38 lines
994 B
C
38 lines
994 B
C
/*
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* Copyright (c) 2019 Synopsys
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <soc.h>
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#include <init.h>
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#include <drivers/pinmux.h>
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static int board_pinmux_init(struct device *device)
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{
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ARG_UNUSED(device);
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struct device *pinmux = device_get_binding(CONFIG_PINMUX_NAME);
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if (pinmux == NULL) {
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return -ENXIO;
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}
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/*
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* to do configuration for each sel,
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* please refer the doc for hsdk board.
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*/
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pinmux_pin_set(pinmux, HSDK_PINMUX_SEL0, HSDK_PINMUX_FUN0);
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pinmux_pin_set(pinmux, HSDK_PINMUX_SEL1, HSDK_PINMUX_FUN0);
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pinmux_pin_set(pinmux, HSDK_PINMUX_SEL2, HSDK_PINMUX_FUN0);
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pinmux_pin_set(pinmux, HSDK_PINMUX_SEL3, HSDK_PINMUX_FUN2);
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pinmux_pin_set(pinmux, HSDK_PINMUX_SEL4, HSDK_PINMUX_FUN0);
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pinmux_pin_set(pinmux, HSDK_PINMUX_SEL5, HSDK_PINMUX_FUN0);
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pinmux_pin_set(pinmux, HSDK_PINMUX_SEL6, HSDK_PINMUX_FUN0);
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pinmux_pin_set(pinmux, HSDK_PINMUX_SEL7, HSDK_PINMUX_FUN0);
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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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