zephyr/drivers/i2c/i2c_test.c

47 lines
1000 B
C

/*
* Copyright (c) 2021, Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
/*
* This is not a real I2C driver. It is used to instantiate struct
* devices for the "vnd,i2c" devicetree compatible used in test code.
*/
#include <zephyr/zephyr.h>
#include <zephyr/drivers/i2c.h>
#define DT_DRV_COMPAT vnd_i2c
static int vnd_i2c_configure(const struct device *dev,
uint32_t dev_config)
{
return -ENOTSUP;
}
static int vnd_i2c_transfer(const struct device *dev,
struct i2c_msg *msgs,
uint8_t num_msgs, uint16_t addr)
{
return -ENOTSUP;
}
static const struct i2c_driver_api vnd_i2c_api = {
.configure = vnd_i2c_configure,
.transfer = vnd_i2c_transfer,
};
static int vnd_i2c_init(const struct device *dev)
{
return 0;
}
#define VND_I2C_INIT(n) \
I2C_DEVICE_DT_INST_DEFINE(n, vnd_i2c_init, NULL, \
NULL, NULL, POST_KERNEL, \
CONFIG_I2C_INIT_PRIORITY, \
&vnd_i2c_api);
DT_INST_FOREACH_STATUS_OKAY(VND_I2C_INIT)