On 23/09/2022 00:03, Dinh Nguyen wrote: > Document the optional "altr,sysmgr-syscon" binding that is used to > access the System Manager register that controls the SDMMC clock > phase. > > Signed-off-by: Dinh Nguyen <dinguyen@xxxxxxxxxx> Thank you for your patch. There is something to discuss/improve. > --- > v2: added > --- > .../devicetree/bindings/mmc/synopsys-dw-mshc.yaml | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.yaml b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.yaml > index ae6d6fca79e2..aece6a337262 100644 > --- a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.yaml > +++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.yaml > @@ -38,6 +38,18 @@ properties: > - const: biu > - const: ciu > > + altr,sysmgr-syscon: > + $ref: /schemas/types.yaml#/definitions/phandle-array > + items: > + - items: > + - description: phandle to the sysmgr node > + - description: register offset that controls the SDMMC clock phase > + description: > + Contains the phandle to System Manager block that contains > + the SDMMC clock-phase control register. The first value is the pointer > + to the sysmgr and the 2nd value is the register offset for the SDMMC > + clock phase register. You need to restrict it per variant (altera). Move the allOf from top of the file to place above unevaluatedProperties and add if:then: making it false for other variants. Best regards, Krzysztof