linux-kernel - RE: [PATCH v1] dts: arm64: freescale: move imx9*-clock.h imx9*-power.h into dt-bindings

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Message-ID:
 <PAXPR04MB845970863A16718967270D1A880EA@PAXPR04MB8459.eurprd04.prod.outlook.com>
Date: Wed, 10 Sep 2025 07:07:37 +0000
From: Peng Fan <peng.fan@....com>
To: Marek Vasut <marek.vasut@...lbox.org>, "Peng Fan (OSS)"
	<peng.fan@....nxp.com>
CC: Krzysztof Kozlowski <krzk@...nel.org>, 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>, Abel Vesa <abelvesa@...nel.org>, Michael Turquette
	<mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>,
	"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>, "linux-clk@...r.kernel.org"
	<linux-clk@...r.kernel.org>, E Shattow <e@...eshell.de>
Subject: RE: [PATCH v1] dts: arm64: freescale: move imx9*-clock.h
 imx9*-power.h into dt-bindings

Hi Marek,

> Subject: Re: [PATCH v1] dts: arm64: freescale: move imx9*-clock.h
> imx9*-power.h into dt-bindings
> 
> On 9/4/25 11:34 AM, Peng Fan wrote:
> 
> Hi,
> 
> sorry for my late reply.
> 
> >> Instead of playing this "I found this code somewhere, so I can do
> >>> whatever the same" answer the first implied question - why these
> are
> >>> bindings? Provide arguments what do they bind.
> >>
> >> I am not sure how to answer this, but what I can write is, that if I
> >> scramble these IDs in either the DT or the firmware (which provides
> >> the SCMI clock service), then the system cannot work. I am not sure
> >> if this is the answer you are looking for.
> >
> > Marek,
> >    Some U-Boot code indeed directly use the IDs to configure the clock
> without
> >    relying on any drivers. Since the SCMI IDs could not be moved to
> > dt-bindings,
> 
> Why can they not be moved to DT bindings ?

DT maintainers suggested to keep the files under
arch/arm64/boot/dts/freescale/

https://lore.kernel.org/all/75ab9162-ed02-479d-92a1-7cfabff6b32e@linaro.org/

Regards
Peng