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authorSamu Onkalo <samu.p.onkalo@nokia.com>2010-11-11 17:05:22 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2010-11-12 10:55:32 -0500
commit0efba16cc05bfe1f80471886c7a888a4744138cf (patch)
tree9d0a5f76c91f5de9053079ad777868f03d403119 /include/linux/leds-lp5523.h
parent500fe141367e5291257e809c12f95ea54181e96d (diff)
leds: driver for National Semiconductors LP5523 chip
LP5523 chip is nine channel led driver with programmable engines. Driver provides support for that chip for direct access via led class or via programmable engines. Signed-off-by: Samu Onkalo <samu.p.onkalo@nokia.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/leds-lp5523.h')
-rw-r--r--include/linux/leds-lp5523.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/include/linux/leds-lp5523.h b/include/linux/leds-lp5523.h
new file mode 100644
index 000000000000..796747637b80
--- /dev/null
+++ b/include/linux/leds-lp5523.h
@@ -0,0 +1,47 @@
1/*
2 * LP5523 LED Driver
3 *
4 * Copyright (C) 2010 Nokia Corporation
5 *
6 * Contact: Samu Onkalo <samu.p.onkalo@nokia.com>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * version 2 as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA
21 */
22
23#ifndef __LINUX_LP5523_H
24#define __LINUX_LP5523_H
25
26/* See Documentation/leds/leds-lp5523.txt */
27
28struct lp5523_led_config {
29 u8 chan_nr;
30 u8 led_current; /* mA x10, 0 if led is not connected */
31 u8 max_current;
32};
33
34#define LP5523_CLOCK_AUTO 0
35#define LP5523_CLOCK_INT 1
36#define LP5523_CLOCK_EXT 2
37
38struct lp5523_platform_data {
39 struct lp5523_led_config *led_config;
40 u8 num_channels;
41 u8 clock_mode;
42 int (*setup_resources)(void);
43 void (*release_resources)(void);
44 void (*enable)(bool state);
45};
46
47#endif /* __LINUX_LP5523_H */