linux-kernel - Re: [PATCH 1/8] ARM: dts: imx: add power-supply for lcd panel

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Message-ID: <24287186-1b97-434f-929f-a391a2fd9784@mailbox.org>
Date: Wed, 15 Oct 2025 01:29:41 +0200
From: Marek Vasut <marek.vasut@...lbox.org>
To: Frank Li <Frank.li@....com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
 Sascha Hauer <s.hauer@...gutronix.de>,
 Pengutronix Kernel Team <kernel@...gutronix.de>,
 Fabio Estevam <festevam@...il.com>,
 Christoph Niedermaier <cniedermaier@...electronics.com>,
 devicetree@...r.kernel.org, imx@...ts.linux.dev,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 kernel@...electronics.com
Subject: Re: [PATCH 1/8] ARM: dts: imx: add power-supply for lcd panel

On 10/15/25 12:01 AM, Frank Li wrote:
> On Tue, Oct 14, 2025 at 10:46:56PM +0200, Marek Vasut wrote:
>> On 10/14/25 9:38 PM, Frank Li wrote:
>>> Add power-supply for lcd panel to fix below CHECK_DTBS warnings:
>>>     arch/arm/boot/dts/nxp/imx/imx6q-evi.dtb: panel (sharp,lq101k1ly04): 'power-supply' is a required property
>>
>> ...
>>
>>> diff --git a/arch/arm/boot/dts/nxp/imx/imx6ull-dhcom-pdk2.dts b/arch/arm/boot/dts/nxp/imx/imx6ull-dhcom-pdk2.dts
>>> index b29713831a74489e8cc0e651c18a40d85f9f9113..04e570d76e42cd67a38e0f3b2301598f712e6bd4 100644
>>> --- a/arch/arm/boot/dts/nxp/imx/imx6ull-dhcom-pdk2.dts
>>> +++ b/arch/arm/boot/dts/nxp/imx/imx6ull-dhcom-pdk2.dts
>>> @@ -199,7 +199,7 @@ touchscreen@38 {
>>>    		reg = <0x38>;
>>>    		interrupt-parent = <&gpio5>;
>>>    		interrupts = <4 IRQ_TYPE_EDGE_FALLING>; /* GPIO E */
>>> -		power-supply = <&reg_panel_3v3>;
>>> +		vcc-supply = <&reg_panel_3v3>;
>> This looks like a different kind of change ?
> 
> It is touchscreen, It needs sperate patch fix it to align
> edt-ft5x06.yaml.
Can you please split this fix from the series, include the error message 
you get from DT check, and possibly add Fixes: tag ?

Thank you