diff mbox series

[V5,1/5] dt-bindings: usb: tegra-xudc: Add dma-coherent for Tegra194

Message ID 20230119104208.28726-2-jonathanh@nvidia.com
State Accepted
Headers show
Series Tegra USB device support updates | expand

Commit Message

Jon Hunter Jan. 19, 2023, 10:42 a.m. UTC
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>
---
V5: Dropped fixes tag
V4: This is new in this version

 .../devicetree/bindings/usb/nvidia,tegra-xudc.yaml   | 12 ++++++++++++
 1 file changed, 12 insertions(+)

Comments

Krzysztof Kozlowski Jan. 22, 2023, 2:12 p.m. UTC | #1
On 19/01/2023 11:42, Jon Hunter wrote:
> 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: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof
Thierry Reding Jan. 24, 2023, 1:58 p.m. UTC | #2
On Thu, Jan 19, 2023 at 10:42:04AM +0000, Jon Hunter wrote:
> 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>
> ---
> V5: Dropped fixes tag
> V4: This is new in this version
> 
>  .../devicetree/bindings/usb/nvidia,tegra-xudc.yaml   | 12 ++++++++++++
>  1 file changed, 12 insertions(+)

Acked-by: Thierry Reding <treding@nvidia.com>
diff mbox series

Patch

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: