On 06/03/2023 05:07, Brad Larson wrote: > Support the AMD Pensando SoC Controller which is a SPI connected device > providing a miscellaneous set of essential board control/status registers. > This device is present in all Pensando SoC based designs. > > Signed-off-by: Brad Larson <blarson@xxxxxxx> > --- > > v10 changes: > - Property renamed to amd,pensando-ctrl > - Driver is renamed and moved to soc/drivers/amd affecting binding > - Delete cs property, driver handles device node creation from parent num-cs > fixing schema reg error in a different way > > v9 changes: > - Instead of four nodes, one per chip-select, a single > node is used with reset-cells in the parent. > - No MFD API is used anymore in the driver so it made > sense to move this to drivers/spi. > - This driver is common for all Pensando SoC based designs > so changed the name to pensando-sr.c to not make it Elba > SoC specific. > - Added property cs for the chip-select number which is used > by the driver to create /dev/pensr0.<cs> > > --- > .../bindings/soc/amd/amd,pensando-ctrl.yaml | 60 +++++++++++++++++++ > 1 file changed, 60 insertions(+) > create mode 100644 Documentation/devicetree/bindings/soc/amd/amd,pensando-ctrl.yaml > > diff --git a/Documentation/devicetree/bindings/soc/amd/amd,pensando-ctrl.yaml b/Documentation/devicetree/bindings/soc/amd/amd,pensando-ctrl.yaml > new file mode 100644 > index 000000000000..36694077b2e6 > --- /dev/null > +++ b/Documentation/devicetree/bindings/soc/amd/amd,pensando-ctrl.yaml Your subject suggests this is pensando-elbasr but you write everywhere pensando-ctrl. Confusing. Pick one. > @@ -0,0 +1,60 @@ > +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/soc/amd/amd,pensando-ctrl.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: AMD Pensando SoC Controller > + > +description: | No need for | > + The AMD Pensando SoC Controller is a SPI connected device with essential > + control/status registers accessed on chip select 0. This device is present > + in all Pensando SoC based designs. > + > +maintainers: > + - Brad Larson <blarson@xxxxxxx> > + > +properties: > + compatible: > + contains: Drop 'contains'. That's not a correct syntax here. > + enum: > + - amd,pensando-ctrl > + > + reg: > + minItems: 1 maxItems instead > + > + '#reset-cells': > + const: 1 > + > + interrupts: > + maxItems: 1 > + > + spi-max-frequency: true Drop, not needed. > + > +required: > + - compatible > + - spi-max-frequency > + - '#reset-cells' allOf with ref to spi-peripheral-props.yaml > + > +unevaluatedProperties: false This is not correct without allOf (should be additionalProperties if you are not using allOf), which leads you to the missing allOf. > + > +examples: > + - | > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + > + spi { > + #address-cells = <1>; > + #size-cells = <0>; > + num-cs = <4>; Drop num-cs, not important in this context. > + > + system-controller@0 { > + compatible = "amd,pensando-ctrl"; > + reg = <0>; > + spi-max-frequency = <12000000>; > + interrupt-parent = <&porta>; > + interrupts = <0 IRQ_TYPE_LEVEL_LOW>; > + #reset-cells = <1>; > + }; > + }; > + > +... Best regards, Krzysztof