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| author | Jon Medhurst <tixy@linaro.org> | 2015-03-27 16:00:48 +0000 |
|---|---|---|
| committer | Jon Medhurst <tixy@linaro.org> | 2015-03-27 16:00:48 +0000 |
| commit | 0fc0aec60d5cc4d148c38d480d9ea853b3bae3cb (patch) | |
| tree | e58da8a390d1d239272eb2efc0b008d5b835b31c /Documentation | |
| parent | 0f4f1720da0f77d8f2b173d6a68c862bbf5bb316 (diff) | |
| parent | 10f63f3fcbe7905d8e6a0348707611d4d5958912 (diff) | |
Merge branch 'lsk-3.10-armlt-i2c' into integration-lsk-3.10-juno-android
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/i2c/i2c-designware.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-designware.txt b/Documentation/devicetree/bindings/i2c/i2c-designware.txt index e42a2ee233e6..5199b0c8cf7a 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-designware.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-designware.txt @@ -10,6 +10,16 @@ Recommended properties : - clock-frequency : desired I2C bus clock frequency in Hz. +Optional properties : + - i2c-sda-hold-time-ns : should contain the SDA hold time in nanoseconds. + This option is only supported in hardware blocks version 1.11a or newer. + + - i2c-scl-falling-time : should contain the SCL falling time in nanoseconds. + This value which is by default 300ns is used to compute the tLOW period. + + - i2c-sda-falling-time : should contain the SDA falling time in nanoseconds. + This value which is by default 300ns is used to compute the tHIGH period. + Example : i2c@f0000 { @@ -20,3 +30,16 @@ Example : interrupts = <11>; clock-frequency = <400000>; }; + + i2c@1120000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "snps,designware-i2c"; + reg = <0x1120000 0x1000>; + interrupt-parent = <&ictl>; + interrupts = <12 1>; + clock-frequency = <400000>; + i2c-sda-hold-time-ns = <300>; + i2c-sda-falling-time-ns = <300>; + i2c-scl-falling-time-ns = <300>; + }; |