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| author | John W. Linville <linville@tuxdriver.com> | 2011-11-22 20:05:46 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-11-22 20:05:46 +0100 |
| commit | 515db09338704a6ad7d27b5f1e33820d3052edd2 (patch) | |
| tree | 74f915531710303397d34069b325c2be7a5ac93c /Documentation/devicetree/bindings/i2c/samsung-i2c.txt | |
| parent | mac80211: fix RCU warnings in mesh (diff) | |
| parent | Linux 3.2-rc2 (diff) | |
| download | linux-515db09338704a6ad7d27b5f1e33820d3052edd2.tar.xz linux-515db09338704a6ad7d27b5f1e33820d3052edd2.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Conflicts:
drivers/net/wireless/iwlegacy/iwl-debugfs.c
drivers/net/wireless/iwlegacy/iwl-rx.c
drivers/net/wireless/iwlegacy/iwl-scan.c
drivers/net/wireless/iwlegacy/iwl-tx.c
include/net/bluetooth/bluetooth.h
Diffstat (limited to 'Documentation/devicetree/bindings/i2c/samsung-i2c.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/i2c/samsung-i2c.txt | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/samsung-i2c.txt b/Documentation/devicetree/bindings/i2c/samsung-i2c.txt new file mode 100644 index 000000000000..38832c712919 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/samsung-i2c.txt @@ -0,0 +1,39 @@ +* Samsung's I2C controller + +The Samsung's I2C controller is used to interface with I2C devices. + +Required properties: + - compatible: value should be either of the following. + (a) "samsung, s3c2410-i2c", for i2c compatible with s3c2410 i2c. + (b) "samsung, s3c2440-i2c", for i2c compatible with s3c2440 i2c. + - reg: physical base address of the controller and length of memory mapped + region. + - interrupts: interrupt number to the cpu. + - samsung,i2c-sda-delay: Delay (in ns) applied to data line (SDA) edges. + - gpios: The order of the gpios should be the following: <SDA, SCL>. + The gpio specifier depends on the gpio controller. + +Optional properties: + - samsung,i2c-slave-addr: Slave address in multi-master enviroment. If not + specified, default value is 0. + - samsung,i2c-max-bus-freq: Desired frequency in Hz of the bus. If not + specified, the default value in Hz is 100000. + +Example: + + i2c@13870000 { + compatible = "samsung,s3c2440-i2c"; + reg = <0x13870000 0x100>; + interrupts = <345>; + samsung,i2c-sda-delay = <100>; + samsung,i2c-max-bus-freq = <100000>; + gpios = <&gpd1 2 0 /* SDA */ + &gpd1 3 0 /* SCL */>; + #address-cells = <1>; + #size-cells = <0>; + + wm8994@1a { + compatible = "wlf,wm8994"; + reg = <0x1a>; + }; + }; |