Unverified Commit bc9ab1b7 authored by Han Xu's avatar Han Xu Committed by Mark Brown
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spi: spi-fsl-lpspi: add num-cs binding for lpspi 



Add num-cs property to support multiple cs for lpspi. This property is
optional.

Signed-off-by: default avatarHan Xu <han.xu@nxp.com>
Acked-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221206225410.604482-2-han.xu@nxp.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 5f947746

Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml

+8 −0
Original line number Diff line number Diff line
@@ -56,6 +56,13 @@ properties: 
      this property to re-config the chipselect value in the LPSPI driver.

    type: boolean



  num-cs:

    description:

      number of chip selects.

    minimum: 1

    maximum: 2

    default: 1



required:

  - compatible

  - reg
@@ -80,4 +87,5 @@ examples: 
        clock-names = "per", "ipg";

        spi-slave;

        fsl,spi-only-use-cs1-sel;

        num-cs = <2>;

    };