Required properties:
- compatible:
"renesas,i2c-r8a7743" if the device is a part of a R8A7743 SoC.
+ "renesas,i2c-r8a7744" if the device is a part of a R8A7744 SoC.
"renesas,i2c-r8a7745" if the device is a part of a R8A7745 SoC.
+ "renesas,i2c-r8a77470" if the device is a part of a R8A77470 SoC.
"renesas,i2c-r8a774a1" if the device is a part of a R8A774A1 SoC.
"renesas,i2c-r8a7778" if the device is a part of a R8A7778 SoC.
"renesas,i2c-r8a7779" if the device is a part of a R8A7779 SoC.