linux-kernel - Re: [PATCH 3/8] dt-bindings: media: nxp: Add Wave6 video codec device

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Message-ID: <ec58d467-baa3-4630-bfb0-f09d366a9be9@kernel.org>
Date: Wed, 19 Feb 2025 13:31:48 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Nas Chung <nas.chung@...psnmedia.com>
Cc: "mchehab@...nel.org" <mchehab@...nel.org>,
 "hverkuil@...all.nl" <hverkuil@...all.nl>,
 "sebastian.fricke@...labora.com" <sebastian.fricke@...labora.com>,
 "robh@...nel.org" <robh@...nel.org>, "krzk+dt@...nel.org"
 <krzk+dt@...nel.org>, "conor+dt@...nel.org" <conor+dt@...nel.org>,
 "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
 "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "linux-imx@....com" <linux-imx@....com>,
 "linux-arm-kernel@...ts.infradead.org"
 <linux-arm-kernel@...ts.infradead.org>,
 "jackson.lee" <jackson.lee@...psnmedia.com>,
 "lafley.kim" <lafley.kim@...psnmedia.com>
Subject: Re: [PATCH 3/8] dt-bindings: media: nxp: Add Wave6 video codec device

On 18/02/2025 10:21, Nas Chung wrote:
> For example:
> vpu: video-codec@...80000 {
>         compatible = "nxp,imx95-vpu";
>         reg = <0x0 0x4c480000 0x0 0x50000>;
> 	ranges = <0x0 0x0 0x4c480000 0x50000>;
> 
>         vpuctrl: vpu-ctrl@...00 {
>           compatible = "nxp,imx95-vpu-ctrl";
> 	  reg = <0x40000 0x10000>;
>         };
> 
>         vpucore0: vpu-core@...00 {
>           compatible = "nxp,imx95-vpu-core";
>           reg = <0x00000 0x10000>;
>         };
> 
>         vpucore1: vpu-core@...00 {
>           compatible = "nxp,imx95-vpu-core";
>           reg = <0x10000 0x10000>;
>         };
> 
>         vpucore2: vpu-core@...00 {
>           compatible = "nxp,imx95-vpu-core";
>           reg = <0x20000 0x10000>;
>         };
> 
>         vpucore3: vpu-core@...00 {
>           compatible = "nxp,imx95-vpu-core";

Why do you need compatible here? Could it be anything else?

>           reg = <0x30000 0x10000>;

Where is the rest of resources? You created children only for one
resource - address space?

Best regards,
Krzysztof