linux-kernel - Re: [PATCH 1/3] dt-bindings: display: mediatek: dpi: Add power domains

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Message-ID: <c8ed627e-42fd-4cd9-b9e4-a97177ef3ef0@kernel.org>
Date: Wed, 21 Aug 2024 08:48:41 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Rohit Agarwal <rohiagar@...omium.org>
Cc: chunkuang.hu@...nel.org, p.zabel@...gutronix.de, airlied@...il.com,
 daniel@...ll.ch, maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
 tzimmermann@...e.de, robh@...nel.org, krzk+dt@...nel.org,
 conor+dt@...nel.org, matthias.bgg@...il.com,
 angelogioacchino.delregno@...labora.com, ck.hu@...iatek.com,
 jitao.shi@...iatek.com, dri-devel@...ts.freedesktop.org,
 linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/3] dt-bindings: display: mediatek: dpi: Add power
 domains

On 20/08/2024 14:18, Rohit Agarwal wrote:
> 
> On 20/08/24 4:40 PM, Krzysztof Kozlowski wrote:
>> On Tue, Aug 20, 2024 at 08:06:57AM +0000, Rohit Agarwal wrote:
>>> Add power domain binding to the mediatek DPI controller.
>> Why? Who needs it? Why all devices suddenly have it (IOW, why is it not
>> constrained anyhow per variant)?
>>
> Ok, my intent was to introduce only for this particular variant.
> Let me constrain it to this particular compatible.

Then add property in top-level properties and in if:then: disallow it
for older devices.

Best regards,
Krzysztof