diff mbox series

[2/4] dt-bindings: usb: dwc2: add iommus

Message ID 20220218161522.52044-2-krzysztof.kozlowski@canonical.com
State Accepted
Commit 1b5f9a0487594bae57a6b60d11ee2e274648ec05
Headers show
Series None | expand

Commit Message

Krzysztof Kozlowski Feb. 18, 2022, 4:15 p.m. UTC 
The DWC2 node might use IOMMU (e.g. Altera Stratix10), so add "iommus"
property.  This fixes warnings like:

  arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dt.yaml:
    usb@ffb40000: 'iommus' does not match any of the regexes: 'pinctrl-[0-9]+'

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
---
 Documentation/devicetree/bindings/usb/dwc2.yaml | 3 +++
 1 file changed, 3 insertions(+)

Comments

Rob Herring Feb. 22, 2022, 10 p.m. UTC | #1 
On Fri, 18 Feb 2022 17:15:20 +0100, Krzysztof Kozlowski wrote:
> The DWC2 node might use IOMMU (e.g. Altera Stratix10), so add "iommus"
> property.  This fixes warnings like:
> 
>   arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dt.yaml:
>     usb@ffb40000: 'iommus' does not match any of the regexes: 'pinctrl-[0-9]+'
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
> ---
>  Documentation/devicetree/bindings/usb/dwc2.yaml | 3 +++
>  1 file changed, 3 insertions(+)
> 

Acked-by: Rob Herring <robh@kernel.org>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/usb/dwc2.yaml b/Documentation/devicetree/bindings/usb/dwc2.yaml
index 048e352c531a..1ba96706bbcb 100644
--- a/Documentation/devicetree/bindings/usb/dwc2.yaml
+++ b/Documentation/devicetree/bindings/usb/dwc2.yaml
@@ -68,6 +68,9 @@  properties:
     items:
       - const: otg
 
+  iommus:
+    maxItems: 1
+
   resets:
     items:
       - description: common reset