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dt-bindings: usb: dwc2: add iommus

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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]+'

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2022-02-18 17:15:20 +01:00 committed by Dinh Nguyen
parent 448841d9a2
commit 1b5f9a0487
1 changed files with 3 additions and 0 deletions
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3
Documentation/devicetree/bindings/usb/dwc2.yaml
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@ -68,6 +68,9 @@ properties:
items:
- const: otg
iommus:
maxItems: 1
resets:
items:
- description: common reset