drivers/gpio/gpio_test.c

/*
 * Copyright (c) 2021, Commonwealth Scientific and Industrial Research
 * Organisation (CSIRO) ABN 41 687 119 230.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/*
 * This is not a real GPIO driver. It is used to instantiate struct
 * devices for the "vnd,gpio" devicetree compatible used in test code.
 */

#define DT_DRV_COMPAT vnd_gpio

#include <zephyr/drivers/gpio.h>
#include <zephyr/drivers/gpio/gpio_utils.h>

struct vnd_gpio_config {
	/* gpio_driver_config needs to be first */
	struct gpio_driver_config common;
};

struct vnd_gpio_data {
	/* gpio_driver_data needs to be first */
	struct gpio_driver_data common;
};

static int vnd_gpio_pin_configure(const struct device *port,
				  gpio_pin_t pin,
				  gpio_flags_t flags)
{
	return -ENOTSUP;
}

static int vnd_gpio_port_get_raw(const struct device *port,
				 gpio_port_value_t *value)
{
	return -ENOTSUP;
}

static int vnd_gpio_port_set_masked_raw(const struct device *port,
					gpio_port_pins_t mask,
					gpio_port_value_t value)
{
	return -ENOTSUP;
}

static int vnd_gpio_port_set_bits_raw(const struct device *port,
				      gpio_port_pins_t pins)
{
	return -ENOTSUP;
}

static int vnd_gpio_port_clear_bits_raw(const struct device *port,
					gpio_port_pins_t pins)
{
	return -ENOTSUP;
}

static int vnd_gpio_port_toggle_bits(const struct device *port,
				     gpio_port_pins_t pins)
{
	return -ENOTSUP;
}

static const struct gpio_driver_api vnd_gpio_api = {
	.pin_configure = vnd_gpio_pin_configure,
	.port_get_raw = vnd_gpio_port_get_raw,
	.port_set_masked_raw = vnd_gpio_port_set_masked_raw,
	.port_set_bits_raw = vnd_gpio_port_set_bits_raw,
	.port_clear_bits_raw = vnd_gpio_port_clear_bits_raw,
	.port_toggle_bits = vnd_gpio_port_toggle_bits,
};

#define VND_GPIO_INIT(n)						\
	static const struct vnd_gpio_config vnd_gpio_config_##n = {	\
		.common = {						\
			.port_pin_mask = GPIO_PORT_PIN_MASK_FROM_DT_INST(n), \
		},							\
	};								\
									\
	static struct vnd_gpio_data vnd_gpio_data_##n;			\
									\
	DEVICE_DT_INST_DEFINE(n, NULL, NULL, &vnd_gpio_data_##n,	\
			      &vnd_gpio_config_##n, POST_KERNEL,	\
			      CONFIG_GPIO_INIT_PRIORITY,		\
			      &vnd_gpio_api);

DT_INST_FOREACH_STATUS_OKAY(VND_GPIO_INIT)