Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / Documentation / devicetree / bindings / unittest.txt

diff --git a/kernel/Documentation/devicetree/bindings/unittest.txt b/kernel/Documentation/devicetree/bindings/unittest.txt
new file mode 100644 (file)
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+++ b/kernel/Documentation/devicetree/bindings/unittest.txt
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+1) OF unittest platform device
+
+** unittest
+
+Required properties:
+- compatible: must be "unittest"
+
+All other properties are optional.
+
+Example:
+       unittest {
+               compatible = "unittest";
+               status = "okay";
+       };
+
+2) OF unittest i2c adapter platform device
+
+** platform device unittest adapter
+
+Required properties:
+- compatible: must be unittest-i2c-bus
+
+Children nodes contain unittest i2c devices.
+
+Example:
+       unittest-i2c-bus {
+               compatible = "unittest-i2c-bus";
+               status = "okay";
+       };
+
+3) OF unittest i2c device
+
+** I2C unittest device
+
+Required properties:
+- compatible: must be unittest-i2c-dev
+
+All other properties are optional
+
+Example:
+       unittest-i2c-dev {
+               compatible = "unittest-i2c-dev";
+               status = "okay";
+       };
+
+4) OF unittest i2c mux device
+
+** I2C unittest mux
+
+Required properties:
+- compatible: must be unittest-i2c-mux
+
+Children nodes contain unittest i2c bus nodes per channel.
+
+Example:
+       unittest-i2c-mux {
+               compatible = "unittest-i2c-mux";
+               status = "okay";
+               #address-cells = <1>;
+               #size-cells = <0>;
+               channel-0 {
+                       reg = <0>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       i2c-dev {
+                               reg = <8>;
+                               compatible = "unittest-i2c-dev";
+                               status = "okay";
+                       };
+               };
+       };