36 lines
912 B
C
36 lines
912 B
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 <zephyr/drivers/gpio.h>
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#include <zephyr/init.h>
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static int rf_init(void)
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{
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const struct gpio_dt_spec rf1 =
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GPIO_DT_SPEC_GET(DT_NODELABEL(rf_switch), rf1_gpios);
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const struct gpio_dt_spec rf2 =
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GPIO_DT_SPEC_GET(DT_NODELABEL(rf_switch), rf2_gpios);
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const struct gpio_dt_spec rf3 =
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GPIO_DT_SPEC_GET(DT_NODELABEL(rf_switch), rf3_gpios);
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/* configure RFSW8001 GPIOs (110: RF1/RF2 coexistence mode) */
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if (!gpio_is_ready_dt(&rf1) ||
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!gpio_is_ready_dt(&rf2) ||
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!gpio_is_ready_dt(&rf3)) {
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return -ENODEV;
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}
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(void)gpio_pin_configure_dt(&rf1, GPIO_OUTPUT_HIGH);
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(void)gpio_pin_configure_dt(&rf2, GPIO_OUTPUT_HIGH);
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(void)gpio_pin_configure_dt(&rf3, GPIO_OUTPUT_LOW);
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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(rf_init, POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE);
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