linux-kernel - Re: [PATCH v2 12/12] arm64: dts: renesas: Add initial device tree for RZ/V2N EVK

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Message-ID: <CAMuHMdVYfe7oUp+2QiHbBqxb3zKUYufpZHJQWmbzD1cu3TuRxg@mail.gmail.com>
Date: Thu, 10 Apr 2025 14:06:52 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Prabhakar <prabhakar.csengg@...il.com>
Cc: Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Linus Walleij <linus.walleij@...aro.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	Jiri Slaby <jirislaby@...nel.org>, Magnus Damm <magnus.damm@...il.com>, 
	linux-renesas-soc@...r.kernel.org, linux-clk@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-gpio@...r.kernel.org, linux-serial@...r.kernel.org, 
	Biju Das <biju.das.jz@...renesas.com>, 
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>, 
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v2 12/12] arm64: dts: renesas: Add initial device tree for
 RZ/V2N EVK

Hi Prabhakar,

On Mon, 7 Apr 2025 at 21:16, Prabhakar <prabhakar.csengg@...il.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
>
> Add the initial device tree for the Renesas RZ/V2N EVK board, based on
> the R9A09G056N48 SoC. Enable basic board functionality, including:
>
> - Memory mapping (reserve the first 128MB for the secure area)
> - Clock inputs (QEXTAL, RTXIN, AUDIO_EXTAL)
> - PINCTRL configurations for peripherals
> - Serial console (SCIF)
> - SDHI1 with power control and UHS modes
>
> Update the Makefile to include the new DTB.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> ---
> v1->v2
> - Followed DTS coding style guidelines

Thanks for the update!

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
i.e. will queue in renesas-devel for v6.16.

> --- /dev/null
> +++ b/arch/arm64/boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts

> +&pinctrl {

> +       sdhi1_pins: sd1 {
> +               sd1-dat-cmd {
> +                       pins = "SD1DAT0", "SD1DAT1", "SD1DAT2", "SD1DAT3", "SD1CMD";
> +                       input-enable;
> +                       renesas,output-impedance = <3>;
> +                       slew-rate = <0>;
> +               };
> +
> +               sd1-clk {
> +                       pins = "SD1CLK";
> +                       renesas,output-impedance = <3>;
> +                       slew-rate = <0>;
> +               };
> +
> +               sd1-cd {
> +                       pinmux = <RZV2N_PORT_PINMUX(9, 4, 14)>; /* SD1_CD */
> +               };

I will sort these subnodes while applying.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds