3 This device supports both I2C and SPI (configured with pin strapping
8 - compatible : "wlf,wm8741"
10 - reg : the I2C address of the device for I2C, the chip select
15 - diff-mode: Differential output mode configuration. Default value for field
16 DIFF in register R8 (MODE_CONTROL_2). If absent, the default is 0, shall be:
25 compatible = "wlf,wm8741";