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authorJon Hunter <jonathanh@nvidia.com>2023-01-19 13:42:04 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-01-25 17:46:10 +0300
commit173bee52a0f15572e4df8e2d2b4d53c34f0bee9c (patch)
treedf4559b82b73cb47de6e6a369ca83bc59314d023 /Documentation
parentec13100fcf2374f013ac836f806d1eb0abf06194 (diff)
downloadlinux-173bee52a0f15572e4df8e2d2b4d53c34f0bee9c.tar.xz
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 <jonathanh@nvidia.com> Acked-by: Thierry Reding <treding@nvidia.com> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20230119104208.28726-2-jonathanh@nvidia.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml12
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml b/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml
index f6cb19efd98b..4ef88d38fa3a 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: