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https://github.com/zephyrproject-rtos/zephyr.git
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34 lines
778 B
C
34 lines
778 B
C
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/*
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* Copyright (c) 2017 Christian Taedcke
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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 <board.h>
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#include <gpio.h>
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#include <misc/printk.h>
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static int efm32wg_stk3800_init(struct device *dev)
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{
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struct device *bce_dev; /* Board Controller Enable Gpio Device */
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ARG_UNUSED(dev);
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/* Enable the board controller to be able to use the serial port */
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bce_dev = device_get_binding(BC_ENABLE_GPIO_NAME);
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if (!bce_dev) {
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printk("Board controller gpio port was not found!\n");
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return -ENODEV;
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}
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gpio_pin_configure(bce_dev, BC_ENABLE_GPIO_PIN, GPIO_DIR_OUT);
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gpio_pin_write(bce_dev, BC_ENABLE_GPIO_PIN, 1);
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return 0;
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}
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/* needs to be done after GPIO driver init */
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SYS_INIT(efm32wg_stk3800_init, PRE_KERNEL_1, CONFIG_BOARD_INIT_PRIORITY);
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