blob: d70e110e4b6d5b0817d83936d52a7c61446eff9f [file] [log] [blame]
/*
* Copyright (c) 2021, Thomas Stranger
*
* SPDX-License-Identifier: Apache-2.0
*/
/*
* This is not a real serial driver. It is used to instantiate struct
* devices for the "vnd,serial" devicetree compatible used in test code.
*/
#include <zephyr.h>
#include <drivers/uart.h>
#define DT_DRV_COMPAT vnd_serial
static int serial_vnd_poll_in(const struct device *dev, unsigned char *c)
{
return -ENOTSUP;
}
static void serial_vnd_poll_out(const struct device *dev, unsigned char c)
{
}
static int serial_vnd_err_check(const struct device *dev)
{
return -ENOTSUP;
}
#ifdef CONFIG_UART_USE_RUNTIME_CONFIGURE
static int serial_vnd_configure(const struct device *dev,
const struct uart_config *cfg)
{
return -ENOTSUP;
}
static int serial_vnd_config_get(const struct device *dev,
struct uart_config *cfg)
{
return -ENOTSUP;
}
#endif /* CONFIG_UART_USE_RUNTIME_CONFIGURE */
static const struct uart_driver_api serial_vnd_api = {
.poll_in = serial_vnd_poll_in,
.poll_out = serial_vnd_poll_out,
.err_check = serial_vnd_err_check,
#ifdef CONFIG_UART_USE_RUNTIME_CONFIGURE
.configure = serial_vnd_configure,
.config_get = serial_vnd_config_get,
#endif /* CONFIG_UART_USE_RUNTIME_CONFIGURE */
};
static int serial_vnd_init(const struct device *dev)
{
return 0;
}
#define VND_SERIAL_INIT(n) \
DEVICE_DT_INST_DEFINE(n, &serial_vnd_init, NULL, \
NULL, NULL, POST_KERNEL, \
CONFIG_KERNEL_INIT_PRIORITY_DEVICE, \
&serial_vnd_api);
DT_INST_FOREACH_STATUS_OKAY(VND_SERIAL_INIT)