From 82d41d09743938e5bc399725ad64e12fa968e8ed Mon Sep 17 00:00:00 2001 From: Eddie James Date: Tue, 17 Jul 2018 10:30:59 -0500 Subject: [PATCH] dt-bindings: i2c: Add FSI-attached I2C master dt binding documentation Document the bindings. Signed-off-by: Eddie James Acked-by: Rob Herring Signed-off-by: Wolfram Sang --- Documentation/devicetree/bindings/i2c/i2c-fsi.txt | 40 +++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/i2c-fsi.txt diff --git a/Documentation/devicetree/bindings/i2c/i2c-fsi.txt b/Documentation/devicetree/bindings/i2c/i2c-fsi.txt new file mode 100644 index 000000000000..b1be2ceb7e69 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-fsi.txt @@ -0,0 +1,40 @@ +Device-tree bindings for FSI-attached I2C master and busses +----------------------------------------------------------- + +Required properties: + - compatible = "ibm,i2c-fsi"; + - reg = < address size >; : The FSI CFAM address and address + space size. + - #address-cells = <1>; : Number of address cells in child + nodes. + - #size-cells = <0>; : Number of size cells in child nodes. + - child nodes : Nodes to describe busses off the I2C + master. + +Child node required properties: + - reg = < port number > : The port number on the I2C master. + +Child node optional properties: + - child nodes : Nodes to describe devices on the I2C + bus. + +Examples: + + i2c@1800 { + compatible = "ibm,i2c-fsi"; + reg = < 0x1800 0x400 >; + #address-cells = <1>; + #size-cells = <0>; + + i2c-bus@0 { + reg = <0>; + }; + + i2c-bus@1 { + reg = <1>; + + eeprom@50 { + compatible = "vendor,dev-name"; + }; + }; + }; -- 2.11.0