53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
/*
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* Copyright (c) 2019 Linaro Ltd.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <device.h>
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#include <drivers/gpio.h>
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#include <init.h>
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#include <kernel.h>
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#include <sys/sys_io.h>
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static int pins_stm32_init(const struct device *port)
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{
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ARG_UNUSED(port);
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const struct device *gpioa, *gpiob, *gpioh;
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gpioa = device_get_binding(DT_LABEL(DT_NODELABEL(gpioa)));
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if (!gpioa) {
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return -ENODEV;
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}
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gpiob = device_get_binding(DT_LABEL(DT_NODELABEL(gpiob)));
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if (!gpiob) {
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return -ENODEV;
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}
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gpioh = device_get_binding(DT_LABEL(DT_NODELABEL(gpioh)));
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if (!gpioh) {
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return -ENODEV;
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}
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/* RF_CTX_PA */
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gpio_pin_configure(gpioa, 4, GPIO_OUTPUT | GPIO_PULL_UP);
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gpio_pin_set(gpioa, 4, 1);
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/* RF_CRX_RX */
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gpio_pin_configure(gpiob, 6, GPIO_OUTPUT | GPIO_PULL_UP);
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gpio_pin_set(gpiob, 6, 1);
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/* RF_CBT_HF */
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gpio_pin_configure(gpiob, 7, GPIO_OUTPUT | GPIO_PULL_UP);
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gpio_pin_set(gpiob, 7, 0);
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gpio_pin_configure(gpioh, 1, GPIO_OUTPUT);
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gpio_pin_set(gpioh, 1, 1);
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return 0;
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}
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/* Need to be initialised after GPIO driver */
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SYS_INIT(pins_stm32_init, POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE);
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