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authorLinus Torvalds <torvalds@linux-foundation.org>2011-07-30 14:57:57 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-30 14:57:57 -0400
commit464c9098bbc17b4596aa12191a7e646a28e7587a (patch)
tree1d97f02c1f071f358f0d0b5fd8e04db3b9a7a9af /include/linux/platform_data
parent4c677e2eefdba9c5bfc4474e2e91b26ae8458a1d (diff)
parentf90be42fb383f39aa814b8e14de138da8973e5c1 (diff)
Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging: (24 commits) hwmon: (lm90) Refactor reading of config2 register hwmon: (lm90) Make SA56004 detection more robust hwmon: (lm90) Simplify handling of extended local temp register hwmon: (pmbus) Add client driver for LM25066, LM5064, and LM5066 hwmon: (max34440) Add support for peak attributes hwmon: (max8688) Add support for peak attributes hwmon: (max16064) Add support for peak attributes hwmon: (adm1275) Add support for peak attributes hwmon: (pmbus) Add support for peak attributes hwmon: Add new attributes to sysfs ABI hwmon: (pmbus) Strengthen check for status register existence hwmon: (pmbus) Add support for virtual pages hwmon: (pmbus) Support reading and writing of word registers in device specific code hwmon: (pmbus) Increase attribute name size hwmon: (pmbus) Add ADP4000, NCP4200 and NCP4208 to list of supported devices hwmon: (pmbus) Add support for VID output voltage mode hwmon: (pmbus) Move PMBus drivers to drivers/hwmon/pmbus hwmon: (coretemp) Add core/pkg threshold support to Coretemp hwmon: (lm95241) Add support for LM95231 hwmon: LM95245 driver ...
Diffstat (limited to 'include/linux/platform_data')
-rw-r--r--include/linux/platform_data/ntc_thermistor.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/include/linux/platform_data/ntc_thermistor.h b/include/linux/platform_data/ntc_thermistor.h
new file mode 100644
index 00000000000..abd28621527
--- /dev/null
+++ b/include/linux/platform_data/ntc_thermistor.h
@@ -0,0 +1,53 @@
1/*
2 * ntc_thermistor.h - NTC Thermistors
3 *
4 * Copyright (C) 2010 Samsung Electronics
5 * MyungJoo Ham <myungjoo.ham@samsung.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21#ifndef _LINUX_NTC_H
22#define _LINUX_NTC_H
23
24enum ntc_thermistor_type {
25 TYPE_NCPXXWB473,
26 TYPE_NCPXXWL333,
27};
28
29struct ntc_thermistor_platform_data {
30 /*
31 * One (not both) of read_uV and read_ohm should be provided and only
32 * one of the two should be provided.
33 * Both functions should return negative value for an error case.
34 *
35 * pullup_uV, pullup_ohm, pulldown_ohm, and connect are required to use
36 * read_uV()
37 *
38 * How to setup pullup_ohm, pulldown_ohm, and connect is
39 * described at Documentation/hwmon/ntc
40 *
41 * pullup/down_ohm: 0 for infinite / not-connected
42 */
43 int (*read_uV)(void);
44 unsigned int pullup_uV;
45
46 unsigned int pullup_ohm;
47 unsigned int pulldown_ohm;
48 enum { NTC_CONNECTED_POSITIVE, NTC_CONNECTED_GROUND } connect;
49
50 int (*read_ohm)(void);
51};
52
53#endif /* _LINUX_NTC_H */