Messages in this thread | | | Date | Tue, 11 Jan 2022 19:08:31 -0600 | From | Rob Herring <> | Subject | Re: [PATCH V3 1/7] dt-bindings: Add the yaml bindings for EUD |
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On Tue, Jan 04, 2022 at 05:28:14PM +0530, Souradeep Chowdhury wrote: > Documentation for Embedded USB Debugger(EUD) device tree > bindings in yaml format.
I agree with Bjorn's comments.
> > Signed-off-by: Souradeep Chowdhury <quic_schowdhu@quicinc.com> > --- > .../devicetree/bindings/soc/qcom/qcom,eud.yaml | 50 ++++++++++++++++++++++ > 1 file changed, 50 insertions(+) > create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml > > diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml > new file mode 100644 > index 0000000..3523932 > --- /dev/null > +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml > @@ -0,0 +1,50 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: "http://devicetree.org/schemas/soc/qcom/qcom,eud.yaml#" > +$schema: "http://devicetree.org/meta-schemas/core.yaml#" > + > +title: Qualcomm Embedded USB Debugger > + > +maintainers: > + - Souradeep Chowdhury <quic_schowdhu@quicinc.com> > + > +description: > + This binding is used to describe the Qualcomm Embedded USB Debugger, which is > + mini USB-hub implemented on chip to support USB-based debug capabilities. > + > +properties: > + compatible: > + items: > + - enum: > + - qcom,sc7280-eud > + - const: qcom,eud > + > + reg: > + items: > + - description: EUD Base Register Region > + - description: EUD Mode Manager Register > + > + interrupts: > + description: > + EUD interrupt
Just 'maxItems: 1' is sufficient here.
> + > + port:
Based on Bjorn's comment, you will need 2 port nodes.
> + description: > + This port is to be attached to the endpoint of the connector child of > + DWC3 controller node. The controller has the "usb-role-switch" property. > + $ref: /schemas/graph.yaml#/properties/port > + > +required: > + - compatible > + - reg > + > +additionalProperties: false > + > +examples: > + - | > + eud@88e0000 { > + compatible = "qcom,sc7280-eud","qcom,eud"; > + reg = <0x88e0000 0x2000>, > + <0x88e2000 0x1000>;
Are the ports really optional?
> + }; > -- > 2.7.4 > >
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