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

From: Joy Zou
Date: Thu Apr 11 2024 - 02:38:11 EST



> -----Original Message-----
> From: Marco Felsch <m.felsch@xxxxxxxxxxxxxx>
> Sent: 2024年4月10日 15:40
> To: Joy Zou <joy.zou@xxxxxxx>
> Cc: Jacky Bai <ping.bai@xxxxxxx>; robh+dt@xxxxxxxxxx;
> krzysztof.kozlowski+dt@xxxxxxxxxx; conor+dt@xxxxxxxxxx;
> shawnguo@xxxxxxxxxx; s.hauer@xxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx;
> imx@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; dl-linux-imx
> <linux-imx@xxxxxxx>; kernel@xxxxxxxxxxxxxx; festevam@xxxxxxxxx;
> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> 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@xxxxxxx>
> > ---
> > 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
>