Re: [PATCH v1 01/11] media: dt-bindings: starfive,jh7110-camss: add binding document

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On 02/03/2023 10:19, jack.zhu wrote:
> Add DT binding document for Starfive Camera subsystem driver
> 
> Signed-off-by: jack.zhu <jack.zhu@xxxxxxxxxxxxxxxx>
> ---
>  .../bindings/media/starfive,jh7110-camss.yaml | 150 ++++++++++++++++++
>  1 file changed, 150 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/starfive,jh7110-camss.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/starfive,jh7110-camss.yaml b/Documentation/devicetree/bindings/media/starfive,jh7110-camss.yaml
> new file mode 100644
> index 000000000000..9a34944ca0ab
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/starfive,jh7110-camss.yaml
> @@ -0,0 +1,150 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/media/starfive,jh7110-camss.yaml#";
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#";

Drop quotes from both.

> +
> +title: Starfive SoC CAMSS ISP
> +
> +maintainers:
> +  - Jack Zhu <jack.zhu@xxxxxxxxxxxxxxxx>
> +  - Changhuang Liang <changhuang.liang@xxxxxxxxxxxxxxxx>
> +
> +description: |

No need for '|'

> +  The Starfive CAMSS ISP is a Camera interface for Starfive JH7110 SoC.It
> +  consists of a VIN controller(Video In Controller, a top-level control until)
> +  and a ISP.

"an ISP", I think

> +
> +properties:
> +  compatible:
> +    const: starfive,jh7110-camss
> +
> +  reg:
> +    minItems: 2

Drop minItems, no need.

> +    maxItems: 2
> +
> +  reg-names:
> +    items:
> +      - const: syscon
> +      - const: isp
> +
> +  clocks:
> +    minItems: 7

Drop mintems

> +    maxItems: 7
> +
> +  clock-names:
> +    items:
> +      - const: clk_apb_func
> +      - const: clk_wrapper_clk_c
> +      - const: clk_dvp_inv
> +      - const: clk_axiwr
> +      - const: clk_mipi_rx0_pxl
> +      - const: clk_ispcore_2x
> +      - const: clk_isp_axi

Drop "clk" prefix

> +
> +  resets:
> +    minItems: 6

Drop

> +    maxItems: 6
> +
> +  reset-names:
> +    items:
> +      - const: rst_wrapper_p

Drop rst prefix

> +      - const: rst_wrapper_c
> +      - const: rst_axird
> +      - const: rst_axiwr
> +      - const: rst_isp_top_n
> +      - const: rst_isp_top_axi
> +
> +  power-domains:
> +    items:
> +      - description: JH7110 PD ISP - ISP Power Domain Switch Controller.

Drop redundant pieces, e.g. "PD ISP"

> +
> +  interrupts:
> +    minItems: 4

Drop

> +    maxItems: 4
> +
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/ports
> +
> +    properties:
> +      port@1:

And what about port@0?

> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
> +        description:
> +          Input port for receiving CSI data.
> +
> +        properties:
> +          endpoint@1:

Hm, do you have more than one endpoint in this port? Why unit address?

> +            $ref: video-interfaces.yaml#
> +            unevaluatedProperties: false
> +
> +    required:
> +      - port@1
> +
> +required:
> +  - compatible
> +  - reg
> +  - reg-names
> +  - clocks
> +  - clock-names
> +  - resets
> +  - reset-names
> +  - power-domains
> +  - interrupts
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +

Drop blank line

> +    stfcamss: camss@19840000 {

isp@

> +        compatible = "starfive,jh7110-camss";
> +        reg = <0x19840000 0x10000>,
> +            <0x19870000 0x30000>;

All this looks misaligned
> +        reg-names = "syscon", "isp";
> +        clocks = <&ispcrg 0>,
> +            <&ispcrg 13>,

Looks even worse...

> +            <&ispcrg 2>,
> +            <&ispcrg 12>,
> +            <&ispcrg 1>,
> +            <&syscrg 51>,
> +            <&syscrg 52>;
> +        clock-names = "clk_apb_func",
> +            "clk_wrapper_clk_c",
> +            "clk_dvp_inv",
> +            "clk_axiwr",
> +            "clk_mipi_rx0_pxl",
> +            "clk_ispcore_2x",
> +            "clk_isp_axi";
> +        resets = <&ispcrg 0>,
> +            <&ispcrg 1>,
> +            <&ispcrg 10>,
> +            <&ispcrg 11>,
> +            <&syscrg 41>,
> +            <&syscrg 42>;
> +        reset-names = "rst_wrapper_p",
> +            "rst_wrapper_c",
> +            "rst_axird",
> +            "rst_axiwr",
> +            "rst_isp_top_n",
> +            "rst_isp_top_axi";
> +        power-domains = <&pwrc 5>;
> +        interrupts = <92>, <87>, <88>, <90>;
> +
> +        ports {
> +            #address-cells = <1>;
> +            #size-cells = <0>;
> +
> +            port@1 {
> +                reg = <1>;
> +                #address-cells = <1>;
> +                #size-cells = <0>;
> +
> +                vin_from_csi2rx: endpoint@1 {
> +                    reg = <1>;
> +                    remote-endpoint = <&csi2rx_to_vin>;
> +                };
> +            };
> +        };
> +    };

Best regards,
Krzysztof




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