[EXT] Re: [PATCH v9 2/6] arm64: dts: freescale: rename imx93.dtsi to imx91_93_common.dtsi and modify them

[Joy Zou]

Hi Alexande，
> -----Original Message-----
> From: Alexander Stein <alexander.stein at ew.tq-group.com>
> Sent: 2025年8月27日 16:33
> To: robh at kernel.org; krzk+dt at kernel.org; conor+dt at kernel.org;
> shawnguo at kernel.org; s.hauer at pengutronix.de; kernel at pengutronix.de;
> festevam at gmail.com; richardcochran at gmail.com; andrew+netdev at lunn.ch;
> davem at davemloft.net; edumazet at google.com; kuba at kernel.org;
> pabeni at redhat.com; mcoquelin.stm32 at gmail.com;
> alexandre.torgue at foss.st.com; frieder.schrempf at kontron.de;
> primoz.fiser at norik.com; othacehe at gnu.org;
> Markus.Niebel at ew.tq-group.com; Joy Zou <joy.zou at nxp.com>
> Cc: devicetree at vger.kernel.org; linux-kernel at vger.kernel.org;
> imx at lists.linux.dev; linux-arm-kernel at lists.infradead.org;
> linux at ew.tq-group.com; netdev at vger.kernel.org; linux-pm at vger.kernel.org;
> linux-stm32 at st-md-mailman.stormreply.com; Frank Li <frank.li at nxp.com>
> Subject: [EXT] Re: [PATCH v9 2/6] arm64: dts: freescale: rename imx93.dtsi to
> imx91_93_common.dtsi and modify them
> 
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> 
> Hi,
> 
> Am Montag, 25. August 2025, 11:12:19 CEST schrieb Joy Zou:
> > The design of i.MX91 platform is very similar to i.MX93 and only
> > some small differences.
> >
> > If the imx91.dtsi include the imx93.dtsi, each add to imx93.dtsi
> > requires an remove in imx91.dtsi for this unique to i.MX93, e.g. NPU.
> > The i.MX91 isn't the i.MX93 subset, if the imx93.dtsi include the
> > imx91.dtsi, the same problem will occur.
> >
> > Common + delta is better than common - delta, so add
> imx91_93_common.dtsi
> > for i.MX91 and i.MX93, then the imx93.dtsi and imx91.dtsi will include the
> > imx91_93_common.dtsi.
> >
> > Rename imx93.dtsi to imx91_93_common.dtsi and move i.MX93 specific
> > part from imx91_93_common.dtsi to imx93.dtsi.
> >
> > Reviewed-by: Frank Li <Frank.Li at nxp.com>
> > Signed-off-by: Joy Zou <joy.zou at nxp.com>
> > ---
> > Changes for v7:
> > 1.The aliases are removed from common.dtsi because the imx93.dtsi aliases
> >   are removed.
> >
> > Changes for v6:
> > 1. merge rename imx93.dtsi to imx91_93_common.dtsi and move i.MX93
> >    specific part from imx91_93_common.dtsi to imx93.dtsi patch.
> > 2. restore copyright time and add modification time.
> > 3. remove unused map0 label in imx91_93_common.dtsi.
> > ---
> >  .../{imx93.dtsi => imx91_93_common.dtsi}      |  140 +-
> >  arch/arm64/boot/dts/freescale/imx93.dtsi      | 1484 ++---------------
> >  2 files changed, 163 insertions(+), 1461 deletions(-)
> >  copy arch/arm64/boot/dts/freescale/{imx93.dtsi =>
> imx91_93_common.dtsi} (91%)
> >  rewrite arch/arm64/boot/dts/freescale/imx93.dtsi (97%)
> 
> It's not shown in the diff, but can you add a 'soc' phandle for 'soc at 0' node?
> So it can be referenced by imx91 or imx93 individually.
Add it when needed to reduce difference and facilitate review.
BR
Joy Zou
> 
> Best regards
> Alexander
>