[PATCH v4 1/1] arm64: dts: imx93-11x11-evk: add rtc PCF2131 support

Joy Zou joy.zou at nxp.com
Wed Apr 24 02:04:36 PDT 2024


> -----Original Message-----
> From: Marco Felsch <m.felsch at pengutronix.de>
> Sent: 2024年4月24日 17:00
> To: Joy Zou <joy.zou at nxp.com>
> Cc: Frank Li <frank.li at nxp.com>; Jacky Bai <ping.bai at nxp.com>;
> robh+dt at kernel.org; krzysztof.kozlowski+dt at linaro.org;
> conor+dt at kernel.org; shawnguo at kernel.org; s.hauer at pengutronix.de;
> kernel at pengutronix.de; festevam at gmail.com; dl-linux-imx
> <linux-imx at nxp.com>; devicetree at vger.kernel.org; imx at lists.linux.dev;
> linux-arm-kernel at lists.infradead.org; linux-kernel at vger.kernel.org
> Subject: Re: Re: [PATCH v4 1/1] arm64: dts: imx93-11x11-evk: add rtc
> PCF2131 support
> 
> On 24-04-24, Joy Zou wrote:
> > > > diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
> > > > b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
> > > > index 07e85a30a25f..bc3c9271d747 100644
> > > > --- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
> > > > +++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
> > > > @@ -281,6 +281,23 @@ ldo5: LDO5 {
> > > >       };
> > > >  };
> > > >
> > > > +&lpi2c3 {
> > > > +     #address-cells = <1>;
> > > > +     #size-cells = <0>;
> > >
> > > while reading your patch I also noticed that you had to specify
> > > these cells here. It is very common to specify it within the base
> > > dtsi file imx93.dtsi. Can you please provde an extra patch which
> > > adds this to the base dtsi followed by this patch, which of course do need
> to specify it again.
> > >
> > > Thanks you,
> > >   Marco
> > >
> > Thanks for your comments!
> > Have checked the base dtsi file imx93.dtsi. The these cells already existed.
> 
> You're right, not sure why I didn't saw it in the first place.
> 
> > The current cells is same with the lpi2c3 node in imx93.dtsi. So
> > should remove these cells in order to keep terse?
> 
> Yes please remove it.
> 
> Regards,
>   Marco

Thanks for your comments!
Will change it in next version.
BR
Joy Zou


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