On 21/03/2022 16:42, Phil Edworthy wrote: > The Renesas RZ/V2M (r9a09g011) SoC uses a uart that is compatible with the > EMMA Mobile SoC. > > Signed-off-by: Phil Edworthy <phil.edworthy@xxxxxxxxxxx> > Reviewed-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx> > --- > .../devicetree/bindings/serial/renesas,em-uart.yaml | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/serial/renesas,em-uart.yaml b/Documentation/devicetree/bindings/serial/renesas,em-uart.yaml > index e98ec48fee46..42733eaa0ece 100644 > --- a/Documentation/devicetree/bindings/serial/renesas,em-uart.yaml > +++ b/Documentation/devicetree/bindings/serial/renesas,em-uart.yaml > @@ -14,7 +14,11 @@ allOf: > > properties: > compatible: > - const: renesas,em-uart > + oneOf: No need for oneOf, you have just one element below. > + - items: > + - enum: > + - renesas,r9a09g011-uart # RZ/V2M > + - const: renesas,em-uart # generic EMMA Mobile compatible UART > Does not look like you tested it... Best regards, Krzysztof