devicetree/bindings/unittest.txt

6 - compatible: must be "unittest"
12 		compatible = "unittest";
15 2) OF unittest i2c adapter platform device
20 - compatible: must be unittest-i2c-bus
22 Children nodes contain unittest i2c devices.
25 	unittest-i2c-bus {
26 		compatible = "unittest-i2c-bus";
29 3) OF unittest i2c device
31 ** I2C unittest device
34 - compatible: must be unittest-i2c-dev
39 	unittest-i2c-dev {
40 		compatible = "unittest-i2c-dev";
43 4) OF unittest i2c mux device
45 ** I2C unittest mux
48 - compatible: must be unittest-i2c-mux
50 Children nodes contain unittest i2c bus nodes per channel.
53 	unittest-i2c-mux {
54 		compatible = "unittest-i2c-mux";
55 		#address-cells = <1>;
56 		#size-cells = <0>;
57 		channel-0 {
59 			#address-cells = <1>;
60 			#size-cells = <0>;
61 			i2c-dev {
63 				compatible = "unittest-i2c-dev";