u-boot/include/dm-demo.h
Simon Glass a02af4aeec dm: demo: Add a simple GPIO demonstration
Add a new 'demo light' command which uses GPIOs to control imaginary lights.
Each light is assigned a bit number in the overall value. This provides an
example driver for using the new GPIO API.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-01-29 17:09:51 -07:00

40 lines
880 B
C

/*
* Copyright (c) 2013 Google, Inc
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __DM_DEMO_H
#define __DM_DEMO_H
#include <dm.h>
/**
* struct dm_demo_pdata - configuration data for demo instance
*
* @colour: Color of the demo
* @sides: Numbers of sides
* @default_char: Default ASCII character to output (65 = 'A')
*/
struct dm_demo_pdata {
const char *colour;
int sides;
int default_char;
};
struct demo_ops {
int (*hello)(struct udevice *dev, int ch);
int (*status)(struct udevice *dev, int *status);
int (*set_light)(struct udevice *dev, int light);
int (*get_light)(struct udevice *dev);
};
int demo_hello(struct udevice *dev, int ch);
int demo_status(struct udevice *dev, int *status);
int demo_set_light(struct udevice *dev, int light);
int demo_get_light(struct udevice *dev);
int demo_list(void);
int demo_parse_dt(struct udevice *dev);
#endif