mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-07 11:46:17 +09:00
57d92753d4
Serial devices support simple byte input/output and a few operations to find out whether data is available. Add a basic uclass for serial devices to be used by drivers that are converted to driver model. Signed-off-by: Simon Glass <sjg@chromium.org>
31 lines
588 B
C
31 lines
588 B
C
/*
|
|
* Copyright (c) 2013 Google, Inc
|
|
*
|
|
* (C) Copyright 2012
|
|
* Pavel Herrmann <morpheus.ibis@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#ifndef _DM_UCLASS_ID_H
|
|
#define _DM_UCLASS_ID_H
|
|
|
|
/* TODO(sjg@chromium.org): this could be compile-time generated */
|
|
enum uclass_id {
|
|
/* These are used internally by driver model */
|
|
UCLASS_ROOT = 0,
|
|
UCLASS_DEMO,
|
|
UCLASS_TEST,
|
|
UCLASS_TEST_FDT,
|
|
UCLASS_TEST_BUS,
|
|
|
|
/* U-Boot uclasses start here */
|
|
UCLASS_GPIO, /* Bank of general-purpose I/O pins */
|
|
UCLASS_SERIAL, /* Serial UART */
|
|
|
|
UCLASS_COUNT,
|
|
UCLASS_INVALID = -1,
|
|
};
|
|
|
|
#endif
|