linux-kernel - Re: [PATCH] arm64: dts: freescale: imx93-phyboard-nash: Move ADC vref to SoM

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Message-ID: <aGPdNy8Bn37XiOpy@dragon>
Date: Tue, 1 Jul 2025 21:05:59 +0800
From: Shawn Guo <shawnguo2@...h.net>
To: Primoz Fiser <primoz.fiser@...ik.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>, devicetree@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, upstream@...ts.phytec.de
Subject: Re: [PATCH] arm64: dts: freescale: imx93-phyboard-nash: Move ADC
 vref to SoM

On Mon, Jun 02, 2025 at 02:52:07PM +0200, Primoz Fiser wrote:
> Move configuration for ADC voltage reference from board DTS to a SoM
> include file. The SoC ADC reference voltage is connected to a "VDDA_1V8"
> voltage node and supplied by the PMIC's BUCK5 regulator. The reference
> voltage is thus defined by the SoM and cannot be changed by the carrier
> board design and as such belongs into the SoM include file.
> 
> Moreover, with this in place, customers designing own carrier boards can
> simply include imx93-phycore-som.dtsi and enable adc1 in their own DTS
> without the need to define dummy ADC vref regulator themselves anymore.
> 
> Signed-off-by: Primoz Fiser <primoz.fiser@...ik.com>

Applied, thanks!