linux-kernel - Re: [PATCH 1/5] dt-bindings: display: mediatek: mdp-rsz: Add rules for MT8196

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Message-ID: <982e72c0ae1681d3385e594c81c0b1a994e3e81d.camel@mediatek.com>
Date: Sun, 23 Feb 2025 17:50:15 +0000
From: Sunny Shen (沈姍姍) <Sunny.Shen@...iatek.com>
To: CK Hu (胡俊光) <ck.hu@...iatek.com>,
	"robh@...nel.org" <robh@...nel.org>, "krzk+dt@...nel.org"
	<krzk+dt@...nel.org>, "conor+dt@...nel.org" <conor+dt@...nel.org>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	"chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>
CC: "treapking@...omium.org" <treapking@...omium.org>,
	Singo Chang (張興國) <Singo.Chang@...iatek.com>,
	Project_Global_Chrome_Upstream_Group
	<Project_Global_Chrome_Upstream_Group@...iatek.com>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	Nancy Lin (林欣螢) <Nancy.Lin@...iatek.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Jason-JH Lin (林睿祥) <Jason-JH.Lin@...iatek.com>,
	"linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>,
	Paul-pl Chen (陳柏霖) <Paul-pl.Chen@...iatek.com>,
	"linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>,
	"matthias.bgg@...il.com" <matthias.bgg@...il.com>, "p.zabel@...gutronix.de"
	<p.zabel@...gutronix.de>
Subject: Re: [PATCH 1/5] dt-bindings: display: mediatek: mdp-rsz: Add rules
 for MT8196

On Mon, 2025-02-17 at 06:01 +0000, CK Hu (胡俊光) wrote:
> On Tue, 2025-02-11 at 10:52 +0800, Sunny Shen wrote:
> > Add MDP-RSZ hardware description for MediaTek MT8196 SoC
> > 
> > Signed-off-by: Sunny Shen <sunny.shen@...iatek.com>
> > ---
> >  .../display/mediatek/mediatek,mdp-rsz.yaml    | 46
> > +++++++++++++++++++
> >  1 file changed, 46 insertions(+)
> >  create mode 100644
> > Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-
> > rsz.yaml
> > 
> > diff --git
> > a/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-
> > rsz.yaml
> > b/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-
> > rsz.yaml
> > new file mode 100644
> > index 000000000000..6642b9aa651a
> > --- /dev/null
> > +++
> > b/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-
> > rsz.yaml
> > @@ -0,0 +1,46 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id:
> > https://urldefense.com/v3/__http://devicetree.org/schemas/display/mediatek/mediatek,mdp-rsz.yaml*__;Iw!!CTRNKA9wMg0ARbw!jo9-Ezn5GR8wfDCMX72zrrpxlMEYb-5w52TYinNWsQlfpiPjw5R967JIU0-6WnI5fvIU7-v0IVaRALBlW4aL$
> >  
> > +$schema:
> > https://urldefense.com/v3/__http://devicetree.org/meta-schemas/core.yaml*__;Iw!!CTRNKA9wMg0ARbw!jo9-Ezn5GR8wfDCMX72zrrpxlMEYb-5w52TYinNWsQlfpiPjw5R967JIU0-6WnI5fvIU7-v0IVaRAIIMW8TJ$
> >  
> > +
> > +title: MediaTek display multimedia data path resizer
> > +
> > +maintainers:
> > +  - Chun-Kuang Hu <chunkuang.hu@...nel.org>
> > +  - Philipp Zabel <p.zabel@...gutronix.de>
> > +
> > +description: |
> > +  MediaTek display multimedia data path resizer, namely MDP-RSZ,
> > +  can do scaling up/down to the picture.
> > +
> > +properties:
> > +  compatible:
> > +    const: mediatek,mt8196-disp-mdp-rsz
> 
> Reference to other display mdp device compatible, use
> 
> mediatek,mt8196-mdp-rsz
> 
> Regards,
> CK

OK, will modify this


> 
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  clocks:
> > +    items:
> > +      - description: MDP-RSZ Clock
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - clocks
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > +  - |
> > +    soc {
> > +        #address-cells = <2>;
> > +        #size-cells = <2>;
> > +
> > +        disp_mdp_rsz0: disp-mdp-rsz0@...a0000 {
> > +            compatible = "mediatek,mt8196-disp-mdp-rsz";
> > +            reg = <0 0x321a0000 0 0x1000>;
> > +            clocks = <&dispsys_config_clk 101>;
> > +        };
> > +    };
>