Re: [PATCH v2 2/3] media: dt-bindings: media: camss: Add qcom,sc8280xp-camss binding

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On Tue, Oct 10, 2023 at 01:25:38PM +0100, Bryan O'Donoghue wrote:
> Add bindings for qcom,sc8280xp-camss in order to support the camera
> subsystem for sc8280xp as found in the Lenovo x13s Laptop.
> 
> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
> ---
>  .../bindings/media/qcom,sc8280xp-camss.yaml   | 582 ++++++++++++++++++
>  1 file changed, 582 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/qcom,sc8280xp-camss.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/qcom,sc8280xp-camss.yaml b/Documentation/devicetree/bindings/media/qcom,sc8280xp-camss.yaml
> new file mode 100644
> index 000000000000..5b0481d8bd07
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/qcom,sc8280xp-camss.yaml
> @@ -0,0 +1,582 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/qcom,sc8280xp-camss.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm SC8280XP Camera Subsystem (CAMSS)
> +
> +maintainers:
> +  - Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
> +
> +description: |
> +  The CAMSS IP is a CSI decoder and ISP present on Qualcomm platforms.
> +
> +properties:
> +  compatible:
> +    const: qcom,sc8280xp-camss
> +
> +  clocks:
> +    maxItems: 63
> +
> +  clock-names:
> +    items:
> +      - const: camnoc_axi
> +      - const: camnoc_axi_src
> +      - const: cpas_ahb
> +      - const: cphy_rx_src
> +      - const: csiphy0
> +      - const: csiphy0_timer_src
> +      - const: csiphy0_timer
> +      - const: csiphy1
> +      - const: csiphy1_timer_src
> +      - const: csiphy1_timer
> +      - const: csiphy2
> +      - const: csiphy2_timer_src
> +      - const: csiphy2_timer
> +      - const: csiphy3
> +      - const: csiphy3_timer_src
> +      - const: csiphy3_timer
> +      - const: vfe0_axi
> +      - const: vfe0_src
> +      - const: vfe0
> +      - const: vfe0_cphy_rx
> +      - const: vfe0_csid_src
> +      - const: vfe0_csid
> +      - const: vfe1_axi
> +      - const: vfe1_src
> +      - const: vfe1
> +      - const: vfe1_cphy_rx
> +      - const: vfe1_csid_src
> +      - const: vfe1_csid
> +      - const: vfe2_axi
> +      - const: vfe2_src
> +      - const: vfe2
> +      - const: vfe2_cphy_rx
> +      - const: vfe2_csid_src
> +      - const: vfe2_csid
> +      - const: vfe3_axi
> +      - const: vfe3_src
> +      - const: vfe3
> +      - const: vfe3_cphy_rx
> +      - const: vfe3_csid_src
> +      - const: vfe3_csid
> +      - const: vfe_lite0_src
> +      - const: vfe_lite0
> +      - const: vfe_lite0_cphy_rx
> +      - const: vfe_lite0_csid_src
> +      - const: vfe_lite0_csid
> +      - const: vfe_lite1_src
> +      - const: vfe_lite1
> +      - const: vfe_lite1_cphy_rx
> +      - const: vfe_lite1_csid_src
> +      - const: vfe_lite1_csid
> +      - const: vfe_lite2_src
> +      - const: vfe_lite2
> +      - const: vfe_lite2_cphy_rx
> +      - const: vfe_lite2_csid_src
> +      - const: vfe_lite2_csid
> +      - const: vfe_lite3_src
> +      - const: vfe_lite3
> +      - const: vfe_lite3_cphy_rx
> +      - const: vfe_lite3_csid_src
> +      - const: vfe_lite3_csid
> +      - const: gcc_axi_hf
> +      - const: gcc_axi_sf
> +      - const: slow_ahb_src
> +
> +  interrupts:
> +    maxItems: 20
> +
> +  interrupt-names:
> +    items:
> +      - const: csid1_lite
> +      - const: vfe_lite1
> +      - const: csiphy3
> +      - const: csid0
> +      - const: vfe0
> +      - const: csid1
> +      - const: vfe1
> +      - const: csid0_lite
> +      - const: vfe_lite0
> +      - const: csiphy0
> +      - const: csiphy1
> +      - const: csiphy2
> +      - const: csid2
> +      - const: vfe2
> +      - const: csid3_lite
> +      - const: csid2_lite
> +      - const: vfe_lite3
> +      - const: vfe_lite2
> +      - const: csid3
> +      - const: vfe3
> +
> +  iommus:
> +    maxItems: 16
> +
> +  interconnects:
> +    maxItems: 4
> +
> +  interconnect-names:
> +    items:
> +      - const: cam_ahb
> +      - const: cam_hf_mnoc
> +      - const: cam_sf_mnoc
> +      - const: cam_sf_icp_mnoc
> +
> +  power-domains:
> +    items:
> +      - description: IFE0 GDSC - Image Front End, Global Distributed Switch Controller.
> +      - description: IFE1 GDSC - Image Front End, Global Distributed Switch Controller.
> +      - description: IFE2 GDSC - Image Front End, Global Distributed Switch Controller.
> +      - description: IFE3 GDSC - Image Front End, Global Distributed Switch Controller.
> +      - description: Titan Top GDSC - Titan ISP Block, Global Distributed Switch Controller.
> +
> +  power-domain-names:
> +    items:
> +      - const: ife0
> +      - const: ife1
> +      - const: ife2
> +      - const: ife3
> +      - const: top
> +
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/ports
> +
> +    description:
> +      CSI input ports.
> +
> +    properties:
> +      port@0:
> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
> +        description:
> +          Input port for receiving CSI data.
> +
> +        properties:
> +          endpoint:
> +            $ref: video-interfaces.yaml#
> +            unevaluatedProperties: false
> +
> +            properties:
> +              clock-lanes:
> +                maxItems: 1
> +
> +              data-lanes:
> +                minItems: 1
> +                maxItems: 4
> +
> +            required:
> +              - clock-lanes
> +              - data-lanes
> +
> +      port@1:
> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
> +        description:
> +          Input port for receiving CSI data.
> +
> +        properties:
> +          endpoint:
> +            $ref: video-interfaces.yaml#
> +            unevaluatedProperties: false
> +
> +            properties:
> +              clock-lanes:
> +                maxItems: 1
> +
> +              data-lanes:
> +                minItems: 1
> +                maxItems: 4
> +
> +            required:
> +              - clock-lanes
> +              - data-lanes
> +
> +      port@2:
> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
> +        description:
> +          Input port for receiving CSI data.
> +
> +        properties:
> +          endpoint:
> +            $ref: video-interfaces.yaml#
> +            unevaluatedProperties: false
> +
> +            properties:
> +              clock-lanes:
> +                maxItems: 1
> +
> +              data-lanes:
> +                minItems: 1
> +                maxItems: 4
> +
> +            required:
> +              - clock-lanes
> +              - data-lanes
> +
> +      port@3:
> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
> +        description:
> +          Input port for receiving CSI data.

Every port has the same description. You need to define how they 
correlate to the h/w. 0-3 is what in the hardware?

Rob



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