Kconfig revision be53f9b2a08e647396ceaa004199ae4b032a9bd2 
1#
2# I2C subsystem configuration
3#
4
5menu "I2C support"
6
7config I2C
8	tristate "I2C support"
9	---help---
10	  I2C (pronounce: I-square-C) is a slow serial bus protocol used in
11	  many micro controller applications and developed by Philips.  SMBus,
12	  or System Management Bus is a subset of the I2C protocol.  More
13	  information is contained in the directory <file:Documentation/i2c/>,
14	  especially in the file called "summary" there.
15
16	  Both I2C and SMBus are supported here. You will need this for
17	  hardware sensors support, and also for Video For Linux support.
18
19	  If you want I2C support, you should say Y here and also to the
20	  specific driver for your bus adapter(s) below.
21
22	  This I2C support can also be built as a module.  If so, the module
23	  will be called i2c-core.
24
25config I2C_CHARDEV
26	tristate "I2C device interface"
27	depends on I2C
28	help
29	  Say Y here to use i2c-* device files, usually found in the /dev
30	  directory on your system.  They make it possible to have user-space
31	  programs use the I2C bus.  Information on how to do this is
32	  contained in the file <file:Documentation/i2c/dev-interface>.
33
34	  This support is also available as a module.  If so, the module 
35	  will be called i2c-dev.
36
37source drivers/i2c/algos/Kconfig
38source drivers/i2c/busses/Kconfig
39source drivers/i2c/chips/Kconfig
40
41config I2C_DEBUG_CORE
42	bool "I2C Core debugging messages"
43	depends on I2C
44	help
45	  Say Y here if you want the I2C core to produce a bunch of debug
46	  messages to the system log.  Select this if you are having a
47	  problem with I2C support and want to see more of what is going on.
48
49config I2C_DEBUG_ALGO
50	bool "I2C Algorithm debugging messages"
51	depends on I2C
52	help
53	  Say Y here if you want the I2C algorithm drivers to produce a bunch
54	  of debug messages to the system log.  Select this if you are having
55	  a problem with I2C support and want to see more of what is going
56	  on.
57
58config I2C_DEBUG_BUS
59	bool "I2C Bus debugging messages"
60	depends on I2C
61	help
62	  Say Y here if you want the I2C bus drivers to produce a bunch of
63	  debug messages to the system log.  Select this if you are having
64	  a problem with I2C support and want to see more of what is going
65	  on.
66
67config I2C_DEBUG_CHIP
68	bool "I2C Chip debugging messages"
69	depends on I2C
70	help
71	  Say Y here if you want the I2C chip drivers to produce a bunch of
72	  debug messages to the system log.  Select this if you are having
73	  a problem with I2C support and want to see more of what is going
74	  on.
75
76endmenu
77
78