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Message-ID: <CAAOTY__LvESsCU74vWwdTKDT6C-xasO7d5sXdzihyssmEaQbYQ@mail.gmail.com>
Date:   Fri, 9 Jun 2023 09:05:46 +0800
From:   Chun-Kuang Hu <chunkuang.hu@...nel.org>
To:     Hsiao Chien Sung <shawn.sung@...iatek.com>
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Singo Chang <singo.chang@...iatek.com>,
        Nancy Lin <nancy.lin@...iatek.com>,
        Jason-JH Lin <jason-jh.lin@...iatek.com>,
        Fei Shao <fshao@...gle.com>
Subject: Re: [PATCH v1 1/6] dt-bindings: display/mediatek: mt8188: Add
 documentations for VDOSYS1

Hi, Hsiao-chien:

Separate mmsys part to another patch because it would go through
different maintainer's tree.

Separate padding part to another patch because it's a new device.

Regards,
Chun-Kuang.

Hsiao Chien Sung <shawn.sung@...iatek.com> 於 2023年6月7日 週三 下午2:11寫道:
>
> Add device tree documentations for MT8188 VDOSYS1.
>
> Signed-off-by: Hsiao Chien Sung <shawn.sung@...iatek.com>
> ---
>  .../bindings/arm/mediatek/mediatek,mmsys.yaml |  1 +
>  .../display/mediatek/mediatek,ethdr.yaml      |  5 +-
>  .../display/mediatek/mediatek,mdp-rdma.yaml   |  5 +-
>  .../display/mediatek/mediatek,merge.yaml      |  1 +
>  .../display/mediatek/mediatek,padding.yaml    | 80 +++++++++++++++++++
>  5 files changed, 90 insertions(+), 2 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,padding.yaml
>
> diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml
> index 536f5a5ebd24..642fa2e4736e 100644
> --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml
> +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml
> @@ -32,6 +32,7 @@ properties:
>                - mediatek,mt8183-mmsys
>                - mediatek,mt8186-mmsys
>                - mediatek,mt8188-vdosys0
> +              - mediatek,mt8188-vdosys1
>                - mediatek,mt8192-mmsys
>                - mediatek,mt8195-vdosys1
>                - mediatek,mt8195-vppsys0
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,ethdr.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,ethdr.yaml
> index 801fa66ae615..e3f740ab0564 100644
> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,ethdr.yaml
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,ethdr.yaml
> @@ -23,7 +23,10 @@ description:
>
>  properties:
>    compatible:
> -    const: mediatek,mt8195-disp-ethdr
> +    oneOf:
> +      - enum:
> +        - mediatek,mt8188-disp-ethdr
> +        - mediatek,mt8195-disp-ethdr
>
>    reg:
>      maxItems: 7
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-rdma.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-rdma.yaml
> index dd12e2ff685c..07c345fa9178 100644
> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-rdma.yaml
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-rdma.yaml
> @@ -21,7 +21,10 @@ description:
>
>  properties:
>    compatible:
> -    const: mediatek,mt8195-vdo1-rdma
> +    oneOf:
> +      - enum:
> +        - mediatek,mt8188-vdo1-rdma
> +        - mediatek,mt8195-vdo1-rdma
>
>    reg:
>      maxItems: 1
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,merge.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,merge.yaml
> index 2f8e2f4dc3b8..600f1b4608f8 100644
> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,merge.yaml
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,merge.yaml
> @@ -23,6 +23,7 @@ properties:
>      oneOf:
>        - enum:
>            - mediatek,mt8173-disp-merge
> +          - mediatek,mt8188-disp-merge
>            - mediatek,mt8195-disp-merge
>
>    reg:
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,padding.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,padding.yaml
> new file mode 100644
> index 000000000000..8a9e74cbf6dc
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,padding.yaml
> @@ -0,0 +1,80 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/mediatek/mediatek,padding.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek PADDING
> +
> +maintainers:
> +  - Chun-Kuang Hu <chunkuang.hu@...nel.org>
> +  - Philipp Zabel <p.zabel@...gutronix.de>
> +
> +description:
> +  MediaTek PADDING provides ability to VDOSYS1 to fill pixels to
> +  width and height of a layer with a specified color.
> +  Since MIXER in VDOSYS1 requires the width of a layer to be 2-pixel-align, or
> +  4-pixel-align when ETHDR is enabled, we need PADDING to deal with odd width.
> +  Please notice that even if the PADDING is in bypass mode,
> +  settings in the registers must be cleared to 0, otherwise
> +  undeinfed behaviors could happen.
> +
> +properties:
> +  compatible:
> +    const: mediatek,mt8188-vdo1-padding
> +
> +  reg:
> +    maxItems: 1
> +
> +  power-domains:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: RDMA Clock
> +
> +  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/dt-bindings/gce/<chip>-gce.h of each chips.
> +    $ref: /schemas/types.yaml#/definitions/phandle-array
> +    items:
> +      items:
> +        - description: phandle of GCE
> +        - description: GCE subsys id
> +        - description: register offset
> +        - description: register size
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - power-domains
> +  - clocks
> +  - mediatek,gce-client-reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/clock/mt8188-clk.h>
> +    #include <dt-bindings/power/mt8188-power.h>
> +    #include <dt-bindings/gce/mt8188-gce.h>
> +    #include <dt-bindings/memory/mt8188-memory-port.h>
> +
> +    soc {
> +        #address-cells = <2>;
> +        #size-cells = <2>;
> +
> +        vdo1_padding0: vdo1_padding0@...1d000 {
> +            compatible = "mediatek,mt8188-vdo1-padding";
> +            reg = <0 0x1c11d000 0 0x1000>;
> +            clocks = <&vdosys1 CLK_VDO1_PADDING0>;
> +            power-domains = <&spm MT8188_POWER_DOMAIN_VDOSYS1>;
> +            mediatek,gce-client-reg =
> +                <&gce0 SUBSYS_1c11XXXX 0xd000 0x1000>;
> +        };
> +    };
> --
> 2.18.0
>

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