Re: [PATCH v8 03/13] dt-bindings: mediatek: add mediatek, dsc.yaml for mt8195 SoC binding

[Chun-Kuang Hu <chunkuang.hu@kernel.org>]

Hi, Jason:

jason-jh.lin <jason-jh.lin@mediatek.com> 於 2021年8月19日 週四 上午10:23寫道：
>
> 1. Add mediatek,dsc.yaml to describe DSC module in details.
> 2. Add mt8195 SoC binding to mediatek,dsc.yaml.
>
> Signed-off-by: jason-jh.lin <jason-jh.lin@mediatek.com>
> ---
>  .../display/mediatek/mediatek,dsc.yaml        | 69 +++++++++++++++++++
>  1 file changed, 69 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,dsc.yaml
>
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsc.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsc.yaml
> new file mode 100644
> index 000000000000..f94a95c6a1c5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsc.yaml
> @@ -0,0 +1,69 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/mediatek/mediatek,dsc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: mediatek display DSC controller
> +
> +maintainers:
> +  - CK Hu <ck.hu@mediatek.com>

According to [1], the maintainer should be

Chun-Kuang Hu <chunkuang.hu@kernel.org>, Philipp Zabel <p.zabel@pengutronix.de>

[1] https://www.kernel.org/doc/html/latest/process/maintainers.html

> +
> +description: |
> +  The DSC standard is a specification of the algorithms used for
> +  compressing and decompressing image display streams, including
> +  the specification of the syntax and semantics of the compressed
> +  video bit stream. DSC is designed for real-time systems with
> +  real-time compression, transmission, decompression and Display.
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - items:
> +          - const: mediatek,mt8195-disp-dsc
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: DSC Wrapper Clock
> +
> +  power-domains:
> +    description: A phandle and PM domain specifier as defined by bindings of
> +      the power controller specified by phandle. See
> +      Documentation/devicetree/bindings/power/power-domain.yaml for details.
> +
> +  mediatek,gce-client-reg:
> +      description:
> +        The register of display function block to be set by gce. There are 4 arguments,
> +        such as gce node, subsys id, offset and register size. The subsys id that is
> +        mapping to the register of display function blocks is defined in the gce header
> +        include/include/dt-bindings/gce/<chip>-gce.h of each chips.
> +      $ref: /schemas/types.yaml#/definitions/phandle-array
> +      maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - power-domains
> +  - clocks
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +
> +    dsc0: disp_dsc_wrap@1c009000 {
> +        compatible = "mediatek,mt8195-disp-dsc";
> +        reg = <0 0x1c009000 0 0x1000>;
> +        interrupts = <GIC_SPI 645 IRQ_TYPE_LEVEL_HIGH 0>;
> +        power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS0>;
> +        clocks = <&vdosys0 CLK_VDO0_DSC_WRAP0>;
> +        mediatek,gce-client-reg = <&gce1 SUBSYS_1c00XXXX 0x9000 0x1000>;
> +    };
> +
> --
> 2.18.0
>

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