linux-kernel - Re: [PATCH 1/7] arm64: dts: imx8qm: add lvds subsystem

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Date: Fri, 7 Jun 2024 14:52:35 -0400
From: Frank Li <Frank.li@....com>
To: Peng Fan <peng.fan@....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>,
	Aisheng Dong <aisheng.dong@....com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"imx@...ts.linux.dev" <imx@...ts.linux.dev>,
	"linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/7] arm64: dts: imx8qm: add lvds subsystem

On Fri, Jun 07, 2024 at 01:28:35AM +0000, Peng Fan wrote:
> > Subject: [PATCH 1/7] arm64: dts: imx8qm: add lvds subsystem
> > 
> > Add irqstear, pwm and i2c in lvds subsystem.
> 
> irqsteer
> 
> > 
> > Signed-off-by: Frank Li <Frank.Li@....com>
> > ---
> >  arch/arm64/boot/dts/freescale/imx8qm-ss-lvds.dtsi | 231
> > ++++++++++++++++++++++
> >  arch/arm64/boot/dts/freescale/imx8qm.dtsi         |   1 +
> >  2 files changed, 232 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/freescale/imx8qm-ss-lvds.dtsi
> > b/arch/arm64/boot/dts/freescale/imx8qm-ss-lvds.dtsi
> > new file mode 100644
> > index 0000000000000..eb8208cddeaf9
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/freescale/imx8qm-ss-lvds.dtsi
> > @@ -0,0 +1,231 @@
> > +// SPDX-License-Identifier: GPL-2.0+
> 
> GPL-2.0-only and MIT?
> 
> > +
> > +/*
> > + * Copyright 2024 NXP
> > + */
> > +
> > +/{
> > +
> > +	lvds1_ipg_clk: lvds0_ipg_clk: clock-controller-lvds-ipg {
> 
> Two alias name?

It is alllowed by dt. link to one fixed 24M clock. of course we can change
lvds1_ipg_clk to lvds0_ipg_clk.

To avoid confuse, I'd better use two name to align node nams.

Frank

> 
> > +		compatible = "fixed-clock";
> > +		#clock-cells = <0>;
> > +		clock-frequency = <24000000>;
> > +		clock-output-names = "lvds0_ipg_clk";
> > +	};
> > +
> 
> Regards,
> Peng.