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Date: Wed, 30 Sep 2026 19:44:13 +0200
From: Francesco Dolcini <francesco@dolcini.it>
To: Marek Vasut <marex@nabladev.com>
Cc: Frank Li <Frank.li@oss.nxp.com>, linux-arm-kernel@lists.infradead.org,
	Aswath Govindraju <a-govindraju@ti.com>,
	Conor Dooley <conor+dt@kernel.org>,
	Fabio Estevam <festevam@gmail.com>, Frank Li <Frank.Li@nxp.com>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Marc Kleine-Budde <mkl@pengutronix.de>,
	Rob Herring <robh@kernel.org>, devicetree@vger.kernel.org,
	imx@lists.linux.dev, linux-can@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v5 3/3] arm64: dts: imx95: Add support for Data Modul
 i.MX95 eDM SBC
Message-ID: <20260930174413.GA2463938@francesco-nb>
References: <20260928204741.175754-1-marex@nabladev.com>
 <20260928204741.175754-3-marex@nabladev.com>
 <arvPDq8sjjv7na01@SMW015318>
 <49303872-5622-4e1d-8e1a-01394ec29367@nabladev.com>
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In-Reply-To: <49303872-5622-4e1d-8e1a-01394ec29367@nabladev.com>

On Tue, Sep 29, 2026 at 05:20:27PM +0200, Marek Vasut wrote:
> On 9/29/26 4:45 PM, Frank Li wrote:
> 
> Hello Frank,
> 
> > > +	backlight_lvds: backlight-lvds {
> > > +		compatible = "pwm-backlight";
> > > +		pinctrl-names = "default";
> > > +		pinctrl-0 = <&pinctrl_panel_backlight_lvds>;
> > > +		brightness-levels = <0 1 10 20 30 40 50 60 70 75 80 90 100>;
> > > +		default-brightness-level = <7>;
> > > +		enable-gpios = <&gpio2 27 GPIO_ACTIVE_HIGH>;
> > > +		pwms = <&tpm3 3 5000000 0>;
> > > +		/* Disabled by default, unless display board plugged in. */
> > > +		status = "disabled";
> > > +	};
> > 
> > The both backlight is not used in this dts, can you remove it and
> > add these when it real use.
> It's the same thing we do on the other boards, so I would prefer to keep
> this consistent:

I agree with Marek, and I would not use the criteria about being used or
not.

Francesco