From 4215138e08489f2c1670c9118da2e62fcab2ffc6 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Fri, 29 Nov 2013 01:51:24 +0100 Subject: i2c: pca954x: Add device tree bindings documentation Signed-off-by: Laurent Pinchart Signed-off-by: Wolfram Sang --- .../devicetree/bindings/i2c/i2c-mux-pca954x.txt | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt (limited to 'Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt') 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>; + }; + }; + }; -- cgit v1.2.3-59-g8ed1b