linux-kernel - Re: [PATCH 1/3] dt-bindings: vendor-prefixes: Add 'lge,*' for LG Electronics

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Message-ID: <2770a98f-ce6f-48c7-9bb1-45f9286de371@kernel.org>
Date: Fri, 9 Jan 2026 08:33:43 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Chanho Min <chanho.min@....com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
 Neil Armstrong <neil.armstrong@...aro.org>,
 Kever Yang <kever.yang@...k-chips.com>, Kael D'Alcamo <dev@...l-k.io>,
 Manivannan Sadhasivam <mani@...nel.org>,
 Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
 Gunho Lee <gunho.lee@....com>, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/3] dt-bindings: vendor-prefixes: Add 'lge,*' for LG
 Electronics

On 09/01/2026 02:31, Chanho Min wrote:
> On Thu, Jan 08, 2026 at 05:46:53PM +0100, Krzysztof Kozlowski wrote:
>> On 08/01/2026 17:39, Krzysztof Kozlowski wrote:
>>> On 08/01/2026 09:22, Chanho Min wrote:
>>>> Currently 'lg,*' is used for LG Corporation, but LG Electronics uses
>>>> 'lge' as vendor prefix for many of its device tree bindings
>>>> (lg1k SoCs, etc).
>>>>
>>>> Add 'lge' vendor prefix entry to avoid confusion with 'lg'.
>>>>
>>>> Signed-off-by: Chanho Min <chanho.min@....com>
>>>> ---
>>>>  Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 ++
>>>>  1 file changed, 2 insertions(+)
>>>>
>>>> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
>>>> index c7591b2aec2a..6c31fa4bee6a 100644
>>>> --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
>>>> +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
>>>> @@ -907,6 +907,8 @@ patternProperties:
>>>>      description: Lenovo Group Ltd.
>>>>    "^lg,.*":
>>>>      description: LG Corporation
>>>> +  "^lge,.*":
>>>
>>> NAK, we have been there and I do not change my stance.
>>
>> Unless you meant to add it because of EXISTING device trees (predating
>> commit fc75109288709 from Rob), then add with deprecated: true and don't
>> use it any new compatibles.
>>
>> Best regards,
>> Krzysztof
> 
> Hi Krzysztof,
> 
> v2 will include:
>  - "lg," prefix only ("lg,lg1215-ref", "lg,lg1215")
>  - Drop "^lge,.*" from vendor-prefixes.yaml
>  - dts coding style fixes in patch 3
> 
> Existing "lge," → "lg," conversion will be sent separately soon.

If you have existing compatibles released as ABI then they should stay
and you can document a deprecated lge prefix. But not for new devices.

One of many previous threads:
https://lore.kernel.org/all/9942f964-442e-e782-3926-6d7d1123418a@canonical.com/

Best regards,
Krzysztof