1 1) OF unittest platform device
6 - compatible: must be "unittest"
8 All other properties are optional.
12 compatible = "unittest";
15 2) OF unittest i2c adapter platform device
17 ** platform device unittest adapter
20 - compatible: must be unittest-i2c-bus
22 Children nodes contain unittest i2c devices.
26 compatible = "unittest-i2c-bus";
29 3) OF unittest i2c device
31 ** I2C unittest device
34 - compatible: must be unittest-i2c-dev
36 All other properties are optional
40 compatible = "unittest-i2c-dev";
43 4) OF unittest i2c mux device
48 - compatible: must be unittest-i2c-mux
50 Children nodes contain unittest i2c bus nodes per channel.
54 compatible = "unittest-i2c-mux";
63 compatible = "unittest-i2c-dev";