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a02af4aeec
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>
41 lines
880 B
C
41 lines
880 B
C
/*
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* Copyright (c) 2013 Google, Inc
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __DM_DEMO_H
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#define __DM_DEMO_H
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#include <dm.h>
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/**
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* struct dm_demo_pdata - configuration data for demo instance
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*
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* @colour: Color of the demo
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* @sides: Numbers of sides
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* @default_char: Default ASCII character to output (65 = 'A')
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*/
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struct dm_demo_pdata {
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const char *colour;
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int sides;
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int default_char;
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};
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struct demo_ops {
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int (*hello)(struct udevice *dev, int ch);
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int (*status)(struct udevice *dev, int *status);
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int (*set_light)(struct udevice *dev, int light);
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int (*get_light)(struct udevice *dev);
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};
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int demo_hello(struct udevice *dev, int ch);
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int demo_status(struct udevice *dev, int *status);
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int demo_set_light(struct udevice *dev, int light);
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int demo_get_light(struct udevice *dev);
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int demo_list(void);
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int demo_parse_dt(struct udevice *dev);
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#endif
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