Commit 173bee52 authored by Jon Hunter's avatar Jon Hunter Committed by Greg Kroah-Hartman
Browse files

dt-bindings: usb: tegra-xudc: Add dma-coherent for Tegra194 



DMA operations for XUSB device controller are coherent for Tegra194 and
so update the device-tree binding to add this property.

Signed-off-by: default avatarJon Hunter <jonathanh@nvidia.com>
Acked-by: default avatarThierry Reding <treding@nvidia.com>
Acked-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230119104208.28726-2-jonathanh@nvidia.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ec13100f

Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml

+12 −0
Original line number Diff line number Diff line
@@ -112,6 +112,8 @@ properties: 
  hvdd-usb-supply:

    description: USB controller power supply. Must supply 3.3 V.



  dma-coherent: true



required:

  - compatible

  - reg
@@ -164,6 +166,16 @@ allOf: 
        clock-names:

          maxItems: 4



  - if:

      properties:

        compatible:

          contains:

            enum:

              - nvidia,tegra194-xudc

    then:

      required:

        - dma-coherent



additionalProperties: false



examples: