Hello, On Mon, Feb 07, 2022 at 02:33:33PM +0800, Tyrone Ting wrote: > From: Tyrone Ting > > This commit adds compatible and syscon description for NPCM845 i2c module. > > Fixes: 56a1485b102e ("i2c: npcm7xx: Add Nuvoton NPCM I2C controller driver") > Signed-off-by: Tyrone Ting > Signed-off-by: Tali Perry > --- [...] > > + syscon: > + $ref: "/schemas/types.yaml#/definitions/phandle" > + description: The phandle of system manager register node. > + > required: > - compatible > - reg > - interrupts > - clocks > + - syscon By making the syscon property required, the existing npcm7xx devicetrees become wrong (because they don't have the syscon property). Please, either keep it optional, or adjust the npcm7xx devicetrees in this series. Best regards, Jonathan