From 173bee52a0f15572e4df8e2d2b4d53c34f0bee9c Mon Sep 17 00:00:00 2001 From: Jon Hunter Date: Thu, 19 Jan 2023 10:42:04 +0000 Subject: [PATCH] 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: Jon Hunter Acked-by: Thierry Reding Acked-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20230119104208.28726-2-jonathanh@nvidia.com Signed-off-by: Greg Kroah-Hartman --- Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml b/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml index f6cb19e..4ef88d3 100644 --- a/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml +++ b/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml @@ -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: -- 2.7.4