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>
hvdd-usb-supply:
description: USB controller power supply. Must supply 3.3 V.
+ dma-coherent: true
+
required:
- compatible
- reg
clock-names:
maxItems: 4
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - nvidia,tegra194-xudc
+ then:
+ required:
+ - dma-coherent
+
additionalProperties: false
examples: