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

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Message-ID: <a70c23487f3b3458ad21a61a4b8d16f47b75438b.camel@mediatek.com>
Date: Mon, 17 Feb 2025 06:01:56 +0000
From: CK Hu (胡俊光) <ck.hu@...iatek.com>
To: "robh@...nel.org" <robh@...nel.org>, "krzk+dt@...nel.org"
	<krzk+dt@...nel.org>, "conor+dt@...nel.org" <conor+dt@...nel.org>,
	"chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>, "AngeloGioacchino Del
 Regno" <angelogioacchino.delregno@...labora.com>,
	Sunny Shen (沈姍姍) <Sunny.Shen@...iatek.com>
CC: Singo Chang (張興國) <Singo.Chang@...iatek.com>,
	"treapking@...omium.org" <treapking@...omium.org>,
	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>,
	Jason-JH Lin (林睿祥) <Jason-JH.Lin@...iatek.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"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 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

> +
> +  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>;
> +        };
> +    };