linux-kernel - Re: [PATCH v1 1/6] dt-bindings: display/mediatek: mt8188: Add documentations for VDOSYS1

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Message-ID: <9db76b20dcd87d0406e8b26f14436431126d27fc.camel@mediatek.com>
Date:   Thu, 8 Jun 2023 03:12:26 +0000
From:   Shawn Sung (宋孝謙) 
        <Shawn.Sung@...iatek.com>
To:     "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "krzysztof.kozlowski@...aro.org" <krzysztof.kozlowski@...aro.org>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        Singo Chang (張興國) 
        <Singo.Chang@...iatek.com>,
        "chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Jason-JH Lin (林睿祥) 
        <Jason-JH.Lin@...iatek.com>,
        Nancy Lin (林欣螢) <Nancy.Lin@...iatek.com>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        "fshao@...gle.com" <fshao@...gle.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v1 1/6] dt-bindings: display/mediatek: mt8188: Add
 documentations for VDOSYS1

Hi Krzysztof,

Sorry, I missed this step in my SOP.
Will follow the instruction below to check again,
thank you for the information.

Best regards,
Hsiao Chien Sung

On Wed, 2023-06-07 at 09:26 +0200, Krzysztof Kozlowski wrote:
>  	 
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
>  
> On 07/06/2023 08:11, Hsiao Chien Sung wrote:
> > Add device tree documentations for MT8188 VDOSYS1.
> 
> It does not look like you tested the bindings, at least after quick
> look. Please run `make dt_binding_check` (see
> Documentation/devicetree/bindings/writing-schema.rst for
> instructions).
> Maybe you need to update your dtschema and yamllint.
> 
> > 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.
> 
> Typo, undefined
> 
> > +
> 
> 
> 
> > +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 {
> 
> No underscores in node names.
> 
> Node names should be generic. See also explanation and list of
> examples
> in DT specification:
> 
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
> 
> > +            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>;
> 
> Wrong wrapping. It's one line. Properties should not be wrapped after
> '='.
> 
> 
> Best regards,
> Krzysztof
>