[EXT] Re: [PATCH v3 1/1] arm64: dts: imx93-11x11-evk: add rtc PCF2131 support

Joy Zou joy.zou at nxp.com
Wed Apr 10 23:37:58 PDT 2024


> -----Original Message-----
> From: Marco Felsch <m.felsch at pengutronix.de>
> Sent: 2024年4月10日 15:40
> To: Joy Zou <joy.zou at nxp.com>
> Cc: 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; devicetree at vger.kernel.org;
> imx at lists.linux.dev; linux-kernel at vger.kernel.org; dl-linux-imx
> <linux-imx at nxp.com>; kernel at pengutronix.de; festevam at gmail.com;
> linux-arm-kernel at lists.infradead.org
> Subject: [EXT] Re: [PATCH v3 1/1] arm64: dts: imx93-11x11-evk: add rtc
> PCF2131 support
> On 24-04-10, Joy Zou wrote:
> > Support rtc PCF2131 on imx93-11x11-evk.
> >
> > Signed-off-by: Joy Zou <joy.zou at nxp.com>
> > ---
> > Changes in v3:
> > 1.adjust the indentation.
> >
> > Changes in v2:
> > 1. remove unnecessary status property.
> > ---
> >  .../boot/dts/freescale/imx93-11x11-evk.dts    | 24
> +++++++++++++++++++
> >  1 file changed, 24 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
> > b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
> > index 07e85a30a25f..73e0bca36b81 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>;
> > +     clock-frequency = <400000>;
> > +     pinctrl-names = "default", "sleep";
> > +     pinctrl-0 = <&pinctrl_lpi2c3>;
> > +     pinctrl-1 = <&pinctrl_lpi2c3>;
> 
> Are both "default" and "sleep" pinctrl's required? It doesn't make any sense
> to provde a sleep state which uses the same pinctrl state.
Thanks for your comments!
Currently, We only use default. Yeah, It's confused that a sleep state which uses the same pinctrl state.
So will remove the sleep.
BR
Joy Zou
> 
> Regards,
>   Marco
> 



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