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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2013-11-29 01:51:24 +0100 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2014-01-03 17:40:23 +0100 |
| commit | 4215138e08489f2c1670c9118da2e62fcab2ffc6 (patch) | |
| tree | e74e0392dff7cf2594e0e9dc8497770f0fe40d87 /Documentation | |
| parent | bc12cfc87f1028d1b22ad97e3b7be8914d253c48 (diff) | |
| download | linux-next-4215138e08489f2c1670c9118da2e62fcab2ffc6.tar.gz | |
i2c: pca954x: Add device tree bindings documentation
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt new file mode 100644 index 000000000000..cc7e7fd92e31 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt @@ -0,0 +1,46 @@ +* NXP PCA954x I2C bus switch + +Required Properties: + + - compatible: Must contain one of the following. + "nxp,pca9540", "nxp,pca9542", "nxp,pca9543", "nxp,pca9544", + "nxp,pca9545", "nxp,pca9546", "nxp,pca9547", "nxp,pca9548" + + - reg: The I2C address of the device. + + The following required properties are defined externally: + + - Standard I2C mux properties. See i2c-mux.txt in this directory. + - I2C child bus nodes. See i2c-mux.txt in this directory. + + +Example: + + i2c-switch@74 { + compatible = "nxp,pca9548"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x74>; + + i2c@2 { + #address-cells = <1>; + #size-cells = <0>; + reg = <2>; + + eeprom@54 { + compatible = "at,24c08"; + reg = <0x54>; + }; + }; + + i2c@4 { + #address-cells = <1>; + #size-cells = <0>; + reg = <4>; + + rtc@51 { + compatible = "nxp,pcf8563"; + reg = <0x51>; + }; + }; + }; |