Re: [PATCH v3 1/3] dt-bindings: drm/bridge: Document Cadence MHDP bridge bindings in yaml format

From: Rob Herring
Date: Mon Jan 27 2020 - 12:15:02 EST


On Wed, Jan 22, 2020 at 11:54:59AM +0100, Yuti Amonkar wrote:
> Document the bindings used for the Cadence MHDP DPI/DP bridge in
> yaml format.
>
> Signed-off-by: Yuti Amonkar <yamonkar@xxxxxxxxxxx>
> ---
> .../bindings/display/bridge/cdns,mhdp.yaml | 131 +++++++++++++++++++++
> 1 file changed, 131 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp.yaml
>
> diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.yaml
> new file mode 100644
> index 0000000..696418a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.yaml
> @@ -0,0 +1,131 @@

Missing SPDX tag. Dual license please.

> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/display/bridge/cdns,mhdp.yaml#";
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#";
> +
> +title: Cadence MHDP bridge
> +
> +maintainers:
> + - Swapnil Jakhade <sjakhade@xxxxxxxxxxx>
> + - Yuti Amonkar <yamonkar@xxxxxxxxxxx>
> +
> +properties:
> + compatible:
> + enum:
> + - cdns,mhdp8546
> + - ti,j721e-mhdp8546
> +
> + reg:
> + minItems: 1
> + maxItems: 2
> + items:
> + - description:
> + Register block of mhdptx apb registers upto PHY mapped area(AUX_CONFIG_P).
> + The AUX and PMA registers are mapped to associated phy driver.
> + - description:
> + Register block for DSS_EDP0_INTG_CFG_VP registers in case of TI J7 SoCs.
> +
> + reg-names:
> + minItems: 1
> + maxItems: 2
> + items:
> + - const: mhdptx
> + - const: j721e-intg
> +
> + clocks:
> + maxItems: 1
> + description:
> + DP bridge clock, it's used by the IP to know how to translate a number of
> + clock cycles into a time (which is used to comply with DP standard timings
> + and delays).
> +
> + phys:
> + description: Phandle to the DisplyPort phy.
> +
> + phy-names:
> + const: dpphy
> +
> + ports:
> + type: object
> + description:
> + Ports as described in Documentation/devicetree/bindings/graph.txt
> +
> + properties:
> + '#address-cells':

Wrong indentation.

> + const: 1
> +
> + '#size-cells':
> + const: 0
> +
> + port@0:
> + type: object
> + description:
> + input port representing the DP bridge input
> +
> + port@1:
> + type: object
> + description:
> + output port representing the DP bridge output.
> +
> + required:
> + - port@0
> + - port@1
> + - '#address-cells'
> + - '#size-cells'
> +
> +allOf:
> + - if:
> + properties:
> + compatible:
> + contains:
> + const: ti,j721e-mhdp8546
> + then:
> + properties:
> + reg:
> + minItems: 2
> + maxItems: 2
> + reg-names:
> + minItems: 2
> + maxItems: 2

As we've already defined the max, you can drop maxItems on these 2.

With those 2 changes,

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>