[u-boot.git] / drivers / serial / serial_nulldev.c

/*
 * Copyright (c) 2015 National Instruments
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <dm.h>
#include <serial.h>

static int nulldev_serial_setbrg(struct udevice *dev, int baudrate)
{
	return 0;
}

static int nulldev_serial_getc(struct udevice *dev)
{
	return -EAGAIN;
}

static int nulldev_serial_input(struct udevice *dev)
{
	return 0;
}

static int nulldev_serial_putc(struct udevice *dev, const char ch)
{
	return 0;
}

static const struct udevice_id nulldev_serial_ids[] = {
	{ .compatible = "nulldev-serial" },
	{ }
};


const struct dm_serial_ops nulldev_serial_ops = {
	.putc = nulldev_serial_putc,
	.getc = nulldev_serial_getc,
	.setbrg = nulldev_serial_setbrg,
};

U_BOOT_DRIVER(serial_nulldev) = {
	.name	= "serial_nulldev",
	.id	= UCLASS_SERIAL,
	.of_match = nulldev_serial_ids,
	.ops	= &nulldev_serial_ops,
};
Commit	Line	Data
cac73f20 KSC	1	/*
	2	* Copyright (c) 2015 National Instruments
	3	*
	4	* SPDX-License-Identifier: GPL-2.0+
	5	*/
	6
	7	#include <common.h>
	8	#include <dm.h>
	9	#include <serial.h>
	10
	11	static int nulldev_serial_setbrg(struct udevice *dev, int baudrate)
	12	{
	13	return 0;
	14	}
	15
	16	static int nulldev_serial_getc(struct udevice *dev)
	17	{
	18	return -EAGAIN;
	19	}
	20
	21	static int nulldev_serial_input(struct udevice *dev)
	22	{
	23	return 0;
	24	}
	25
	26	static int nulldev_serial_putc(struct udevice *dev, const char ch)
	27	{
	28	return 0;
	29	}
	30
	31	static const struct udevice_id nulldev_serial_ids[] = {
	32	{ .compatible = "nulldev-serial" },
	33	{ }
	34	};
	35
	36
	37	const struct dm_serial_ops nulldev_serial_ops = {
	38	.putc = nulldev_serial_putc,
	39	.getc = nulldev_serial_getc,
	40	.setbrg = nulldev_serial_setbrg,
	41	};
	42
	43	U_BOOT_DRIVER(serial_nulldev) = {
	44	.name = "serial_nulldev",
	45	.id = UCLASS_SERIAL,
	46	.of_match = nulldev_serial_ids,
	47	.ops = &nulldev_serial_ops,
	48	};