On 20/06/2022 21:30, Serge Semin wrote: > On Mon, Jun 13, 2022 at 12:56:47PM -0700, Brad Larson wrote: >> From: Brad Larson <blarson@xxxxxxx> >> >> The AMD Pensando Elba SoC has integrated the DW APB SPI Controller >> >> Signed-off-by: Brad Larson <blarson@xxxxxxx> >> --- >> Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml | 2 ++ >> 1 file changed, 2 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml >> index e25d44c218f2..2a55b947cffc 100644 >> --- a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml >> +++ b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml >> @@ -73,6 +73,8 @@ properties: >> - renesas,r9a06g032-spi # RZ/N1D >> - renesas,r9a06g033-spi # RZ/N1S >> - const: renesas,rzn1-spi # RZ/N1 > >> + - description: AMD Pensando Elba SoC SPI Controller >> + const: amd,pensando-elba-spi > > Not enough. The driver requires to have a phandle reference to the > Pensando System Controller. So the property like > "amd,pensando-elba-syscon" is also needed to be added to the DT schema > otherwise should the dt-schema tool correctly handle the > "unevaluatedProperties: false" setting (Rob says it isn't fully > supported at the moment), the dtbs_check procedure will fail on your > dts evaluation. The property was here before, now removed, so I assume it was also removed from the driver and DTS. Isn't that the case? Otherwise this is incomplete binding... Best regards, Krzysztof