| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | # | 
| Arthur Othieno | be53f9b | 2006-08-13 23:39:11 +0200 | [diff] [blame] | 2 | # I2C subsystem configuration | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | # | 
|  | 4 |  | 
| Jan Engelhardt | 16538e6 | 2007-05-01 23:26:34 +0200 | [diff] [blame] | 5 | menuconfig I2C | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | tristate "I2C support" | 
| Martin Schwidefsky | e25df12 | 2007-05-10 15:45:57 +0200 | [diff] [blame] | 7 | depends on HAS_IOMEM | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8 | ---help--- | 
|  | 9 | I2C (pronounce: I-square-C) is a slow serial bus protocol used in | 
|  | 10 | many micro controller applications and developed by Philips.  SMBus, | 
|  | 11 | or System Management Bus is a subset of the I2C protocol.  More | 
|  | 12 | information is contained in the directory <file:Documentation/i2c/>, | 
|  | 13 | especially in the file called "summary" there. | 
|  | 14 |  | 
|  | 15 | Both I2C and SMBus are supported here. You will need this for | 
|  | 16 | hardware sensors support, and also for Video For Linux support. | 
|  | 17 |  | 
|  | 18 | If you want I2C support, you should say Y here and also to the | 
|  | 19 | specific driver for your bus adapter(s) below. | 
|  | 20 |  | 
|  | 21 | This I2C support can also be built as a module.  If so, the module | 
|  | 22 | will be called i2c-core. | 
|  | 23 |  | 
| Jan Engelhardt | 16538e6 | 2007-05-01 23:26:34 +0200 | [diff] [blame] | 24 | if I2C | 
|  | 25 |  | 
| David Brownell | 9c1600e | 2007-05-01 23:26:31 +0200 | [diff] [blame] | 26 | config I2C_BOARDINFO | 
|  | 27 | boolean | 
| David Brownell | 9c1600e | 2007-05-01 23:26:31 +0200 | [diff] [blame] | 28 | default y | 
|  | 29 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | config I2C_CHARDEV | 
|  | 31 | tristate "I2C device interface" | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | help | 
|  | 33 | Say Y here to use i2c-* device files, usually found in the /dev | 
|  | 34 | directory on your system.  They make it possible to have user-space | 
|  | 35 | programs use the I2C bus.  Information on how to do this is | 
|  | 36 | contained in the file <file:Documentation/i2c/dev-interface>. | 
|  | 37 |  | 
|  | 38 | This support is also available as a module.  If so, the module | 
|  | 39 | will be called i2c-dev. | 
|  | 40 |  | 
|  | 41 | source drivers/i2c/algos/Kconfig | 
|  | 42 | source drivers/i2c/busses/Kconfig | 
|  | 43 | source drivers/i2c/chips/Kconfig | 
|  | 44 |  | 
|  | 45 | config I2C_DEBUG_CORE | 
|  | 46 | bool "I2C Core debugging messages" | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | help | 
|  | 48 | Say Y here if you want the I2C core to produce a bunch of debug | 
|  | 49 | messages to the system log.  Select this if you are having a | 
|  | 50 | problem with I2C support and want to see more of what is going on. | 
|  | 51 |  | 
|  | 52 | config I2C_DEBUG_ALGO | 
|  | 53 | bool "I2C Algorithm debugging messages" | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | help | 
|  | 55 | Say Y here if you want the I2C algorithm drivers to produce a bunch | 
|  | 56 | of debug messages to the system log.  Select this if you are having | 
|  | 57 | a problem with I2C support and want to see more of what is going | 
|  | 58 | on. | 
|  | 59 |  | 
|  | 60 | config I2C_DEBUG_BUS | 
|  | 61 | bool "I2C Bus debugging messages" | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | help | 
|  | 63 | Say Y here if you want the I2C bus drivers to produce a bunch of | 
|  | 64 | debug messages to the system log.  Select this if you are having | 
|  | 65 | a problem with I2C support and want to see more of what is going | 
|  | 66 | on. | 
|  | 67 |  | 
|  | 68 | config I2C_DEBUG_CHIP | 
|  | 69 | bool "I2C Chip debugging messages" | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |  | 
| Jan Engelhardt | 16538e6 | 2007-05-01 23:26:34 +0200 | [diff] [blame] | 76 | endif # I2C |