On 12/01/22 11:00AM, Krzysztof Kozlowski wrote: > Convert the Samsung SoC (S3C24xx, S3C64xx, S5Pv210, Exynos) SPI > controller bindings to DT schema format > > Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx> > Reviewed-by: Sam Protsenko <semen.protsenko@xxxxxxxxxx> > --- > .../spi/samsung,spi-peripheral-props.yaml | 35 ++++ > .../devicetree/bindings/spi/samsung,spi.yaml | 187 ++++++++++++++++++ > .../bindings/spi/spi-peripheral-props.yaml | 1 + > .../devicetree/bindings/spi/spi-samsung.txt | 122 ------------ > MAINTAINERS | 2 +- > 5 files changed, 224 insertions(+), 123 deletions(-) > create mode 100644 Documentation/devicetree/bindings/spi/samsung,spi-peripheral-props.yaml > create mode 100644 Documentation/devicetree/bindings/spi/samsung,spi.yaml > delete mode 100644 Documentation/devicetree/bindings/spi/spi-samsung.txt > > diff --git a/Documentation/devicetree/bindings/spi/samsung,spi-peripheral-props.yaml b/Documentation/devicetree/bindings/spi/samsung,spi-peripheral-props.yaml > new file mode 100644 > index 000000000000..aa5a1f48494b > --- /dev/null > +++ b/Documentation/devicetree/bindings/spi/samsung,spi-peripheral-props.yaml > @@ -0,0 +1,35 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/spi/samsung,spi-peripheral-props.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Peripheral-specific properties for Samsung S3C/S5P/Exynos SoC SPI controller > + > +maintainers: > + - Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx> > + > +description: > + See spi-peripheral-props.yaml for more info. > + > +properties: > + controller-data: > + type: object > + additionalProperties: false > + > + properties: > + samsung,spi-feedback-delay: > + description: | > + The sampling phase shift to be applied on the miso line (to account > + for any lag in the miso line). Valid values: > + - 0: No phase shift. > + - 1: 90 degree phase shift sampling. > + - 2: 180 degree phase shift sampling. > + - 3: 270 degree phase shift sampling. > + $ref: /schemas/types.yaml#/definitions/uint32 > + enum: [0, 1, 2, 3] > + > + required: > + - samsung,spi-feedback-delay I am not quite sure if this required would work here. Let's say another controller also uses a controller-data node, but it contains a different set of properties. Won't this cause an error to be raised for that controller since this property is not there? -- Regards, Pratyush Yadav Texas Instruments Inc.