Subject: Re: [PATCH 3/4] dt-bindings: media: add mediatek ISP3.0 camsv

From: Rob Herring <[email-masked]>
Date: Wed, 28 Jun 2023 10:16:43 -0600

On Wed, Jun 28, 2023 at 04:52:54PM +0200, Julien Stephan wrote:
> From: Phi-bang Nguyen <[email-masked]>
> 
> This adds the bindings, for the ISP3.0 camsv module embedded in
> some Mediatek SoC, such as the mt8365
> 
> Signed-off-by: Phi-bang Nguyen <[email-masked]>
> Signed-off-by: Julien Stephan <[email-masked]>
> ---
>  .../bindings/media/mediatek,mt8365-camsv.yaml | 113 ++++++++++++++++++
>  MAINTAINERS                                   |   1 +
>  2 files changed, 114 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/mediatek,mt8365-camsv.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/mediatek,mt8365-camsv.yaml b/Documentation/devicetree/bindings/media/mediatek,mt8365-camsv.yaml
> new file mode 100644
> index 000000000000..e8ef6e0fd4bf
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/mediatek,mt8365-camsv.yaml
> @@ -0,0 +1,113 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (c) 2023 MediaTek, BayLibre
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/mediatek,mt8365-camsv.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek CAMSV 3.0
> +
> +maintainers:
> +  - Laurent Pinchart <[email-masked]>
> +  - Julien Stephan <[email-masked]>
> +  - Andy Hsieh <[email-masked]>
> +
> +description:
> +  The CAMSV is a set of DMA engines connected to the SENINF CSI-2
> +  receivers. The number of CAMSVs depend on the SoC model.
> +
> +properties:
> +  compatible:
> +    const: mediatek,mt8365-camsv
> +
> +  reg:
> +    maxItems: 3
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  power-domains:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: cam clock
> +      - description: camtg clock
> +      - description: camsv clock
> +
> +  clock-names:
> +    items:
> +      - const: camsys_cam_cgpdn
> +      - const: camsys_camtg_cgpdn
> +      - const: camsys_camsv
> +
> +  iommus:
> +    maxItems: 1
> +
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/ports
> +
> +    properties:
> +      port@0:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        unevaluatedProperties: false
> +        description: connection point for camsv0
> +
> +        patternProperties:
> +          endpoint:
> +            $ref: video-interfaces.yaml#

You can't have this and graph.yaml#/properties/port as the latter will 
prevent extra properties under 'endpoint'.

> +            unevaluatedProperties: false
> +
> +    required:
> +      - port@0
> +
> +required:
> +  - compatible
> +  - interrupts
> +  - clocks
> +  - clock-names
> +  - power-domains
> +  - iommus
> +  - ports
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +    #include <dt-bindings/clock/mediatek,mt8365-clk.h>
> +    #include <dt-bindings/memory/mediatek,mt8365-larb-port.h>
> +    #include <dt-bindings/power/mediatek,mt8365-power.h>
> +
> +    soc {
> +        #address-cells = <2>;
> +        #size-cells = <2>;
> +
> +        camsv1: camsv@15050000 {
> +            compatible = "mediatek,mt8365-camsv";
> +            reg = <0 0x15050000 0 0x0040>,
> +            <0 0x15050208 0 0x0020>,
> +            <0 0x15050400 0 0x0100>;
> +            interrupts = <GIC_SPI 186 IRQ_TYPE_LEVEL_LOW>;
> +            clocks = <&camsys CLK_CAM>,
> +            <&camsys CLK_CAMTG>,
> +            <&camsys CLK_CAMSV0>;
> +            clock-names = "camsys_cam_cgpdn", "camsys_camtg_cgpdn",
> +            "camsys_camsv";
> +            iommus = <&iommu M4U_PORT_CAM_IMGO>;
> +            power-domains = <&spm MT8365_POWER_DOMAIN_CAM>;
> +
> +            ports {
> +                #address-cells = <1>;
> +                #size-cells = <0>;
> +                port@0 {
> +                    reg = <0>;
> +                    camsv1_endpoint: endpoint {
> +                        remote-endpoint = <&seninf_camsv1_endpoint>;
> +                    };
> +                };
> +            };
> +        };
> +    };
> +...
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 4f83682732e6..2256ddcc4ca6 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -13261,6 +13261,7 @@ M:	Laurent Pinchart <[email-masked]>
>  M:	Julien Stephan <[email-masked]>
>  M:	Andy Hsieh <[email-masked]>
>  S:	Supported
> +F:	Documentation/devicetree/bindings/media/mediatek,mt8365-camsv.yaml
>  F:	Documentation/devicetree/bindings/media/mediatek,mt8365-seninf.yaml
>  F:	drivers/media/platform/mediatek/isp/isp_30/seninf/*
>  
> -- 
> 2.41.0
> 

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