linux-kernel - Re: [PATCH 06/13] arm64: dts: renesas: r9a09g087m44-rzn2h-evk: Add user LEDs

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Message-ID: <CA+V-a8tT16aSiAdH6NUc7bfAb71_Bu3q-Ttp7Lw5A8z0y-3Avw@mail.gmail.com>
Date: Tue, 19 Aug 2025 08:52:06 +0100
From: "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Magnus Damm <magnus.damm@...il.com>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Biju Das <biju.das.jz@...renesas.com>, 
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>, 
	Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH 06/13] arm64: dts: renesas: r9a09g087m44-rzn2h-evk: Add
 user LEDs

Hi Geert,

Thank you for the review.

On Mon, Aug 18, 2025 at 3:15 PM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>
> Hi Prabhakar,
>
> On Tue, 12 Aug 2025 at 22:03, Prabhakar <prabhakar.csengg@...il.com> wrote:
> > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> >
> > Add USER LED0-LED8, which are available on RZ/N2H EVK.
> >
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
>
> Thanks for your patch!
>
> > --- a/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts
> > +++ b/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts
> > @@ -7,10 +7,64 @@
> >
> >  /dts-v1/;
> >
> > +#include <dt-bindings/gpio/gpio.h>
> > +
> >  #include "r9a09g087m44.dtsi"
> >  #include "rzt2h-n2h-evk-common.dtsi"
> >
> >  / {
> >         model = "Renesas RZ/N2H EVK Board based on r9a09g087m44";
> >         compatible = "renesas,rzn2h-evk", "renesas,r9a09g087m44", "renesas,r9a09g087";
> > +
> > +       leds {
> > +               compatible = "gpio-leds";
> > +
> > +               led3 {
> > +                       /* DSW18-7: ON, DSW18-8: OFF */
> > +                       gpios = <&pinctrl RZN2H_GPIO(31, 6) GPIO_ACTIVE_LOW>;
>
> Similar comments like for the RZ/T2H EVB, e.g.
>
>     led-3 {
>             /* DSW18-7: ON, DSW18-8: OFF */
>             gpios = <&pinctrl RZN2H_GPIO(31, 6) GPIO_ACTIVE_LOW>;
>             color = <LED_COLOR_ID_GREEN>;
>             function = LED_FUNCTION_DEBUG;
>             function-enumerator = <4>;
>     };
>
Agreed.

> > +               };
> > +
> > +               led4 {
> > +                       /* DSW18-9: ON, DSW18-10: OFF */
> > +                       gpios = <&pinctrl RZN2H_GPIO(18, 1) GPIO_ACTIVE_LOW>;
> > +               };
> > +
> > +               led5 {
> > +                       /* DSW18-1: ON, DSW18-2: OFF */
> > +                       gpios = <&pinctrl RZN2H_GPIO(22, 7) GPIO_ACTIVE_LOW>;
> > +               };
> > +
> > +               led6 {
> > +                       /* DSW18-3: ON, DSW18-4: OFF */
> > +                       gpios = <&pinctrl RZN2H_GPIO(23, 0) GPIO_ACTIVE_LOW>;
> > +               };
> > +
> > +               led7 {
> > +                       /*
> > +                        * DSW18-5: ON, DSW18-6: OFF
> > +                        * DSW19-3: ON, DSW19-4: OFF
>
> Shouldn't that be "DSW19-3: OFF, DSW19-4: ON"?
>
Agreed.

> > +                        */
> > +                       gpios = <&pinctrl RZN2H_GPIO(14, 3) GPIO_ACTIVE_LOW>;
> > +               };
> > +
> > +               led8 {
> > +                       /* DSW15-8: OFF, DSW15-9: OFF, DSW15-10: ON */
> > +                       gpios = <&pinctrl RZN2H_GPIO(14, 6) GPIO_ACTIVE_LOW>;
> > +               };
> > +
> > +               led9 {
> > +                       /* DSW15-5: OFF, DSW16-6: ON */
>
> s/DSW16/DSW15/
>
Agreed, (Ive also notified to update the user manual).


Cheers,
Prabhakar