linux-kernel - RE: [PATCH 12/12] arm64: dts: renesas: Add initial device tree for RZ/G3L SMARC EVK board

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Message-ID:
 <TY3PR01MB11346054A682D32AFBA0E62EE8693A@TY3PR01MB11346.jpnprd01.prod.outlook.com>
Date: Mon, 26 Jan 2026 20:48:13 +0000
From: Biju Das <biju.das.jz@...renesas.com>
To: biju.das.au <biju.das.au@...il.com>, Geert Uytterhoeven
	<geert+renesas@...der.be>, magnus.damm <magnus.damm@...il.com>, Rob Herring
	<robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
	<conor+dt@...nel.org>
CC: "linux-renesas-soc@...r.kernel.org" <linux-renesas-soc@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Prabhakar
 Mahadev Lad <prabhakar.mahadev-lad.rj@...renesas.com>, biju.das.au
	<biju.das.au@...il.com>
Subject: RE: [PATCH 12/12] arm64: dts: renesas: Add initial device tree for
 RZ/G3L SMARC EVK board

Hi All,

> -----Original Message-----
> From: Biju <biju.das.au@...il.com>
> Sent: 20 January 2026 12:52
> Subject: [PATCH 12/12] arm64: dts: renesas: Add initial device tree for RZ/G3L SMARC EVK board
> 
> From: Biju Das <biju.das.jz@...renesas.com>
> 
> Add the initial device tree for the Renesas RZ/G3L SMARC EVK board.
> 
> Added placeholders to avoid compilation error with the common code in renesas-smarc2.dtsi.
> 
> Signed-off-by: Biju Das <biju.das.jz@...renesas.com>
> ---
>  arch/arm64/boot/dts/renesas/Makefile          |  2 +
>  .../boot/dts/renesas/r9a08g046l48-smarc.dts   | 41 +++++++++++++++++++
>  2 files changed, 43 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts
> 
> diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/renesas/Makefile
> index 1fab1b50f20e..0153e772c231 100644
> --- a/arch/arm64/boot/dts/renesas/Makefile
> +++ b/arch/arm64/boot/dts/renesas/Makefile
> @@ -179,6 +179,8 @@ dtb-$(CONFIG_ARCH_R9A08G045) += r9a08g045s33-smarc-pmod1-type-3a.dtbo
>  r9a08g045s33-smarc-pmod1-type-3a-dtbs := r9a08g045s33-smarc.dtb r9a08g045s33-smarc-pmod1-type-3a.dtbo
>  dtb-$(CONFIG_ARCH_R9A08G045) += r9a08g045s33-smarc-pmod1-type-3a.dtb
> 
> +dtb-$(CONFIG_ARCH_R9A08G046) += r9a08g046l48-smarc.dtb
> +
>  dtb-$(CONFIG_ARCH_R9A09G011) += r9a09g011-v2mevk2.dtb
> 
>  dtb-$(CONFIG_ARCH_R9A09G047) += r9a09g047e57-smarc.dtb diff --git
> a/arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts b/arch/arm64/boot/dts/renesas/r9a08g046l48-
> smarc.dts
> new file mode 100644
> index 000000000000..988b1f96228f
> --- /dev/null
> +++ b/arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts
> @@ -0,0 +1,41 @@
> +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +/*
> + * Device Tree Source for the RZ/G3L SMARC EVK board
> + *
> + * Copyright (C) 2026 Renesas Electronics Corp.
> + */
> +
> +/dts-v1/;
> +
> +/* Add place holder to avoid compilation error with renesas-smarc2.dtsi */
> +#define KEY_1_GPIO		1
> +#define KEY_2_GPIO		2
> +#define KEY_3_GPIO		3
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include "r9a08g046l48.dtsi"
> +#include "rzg3l-smarc-som.dtsi"
> +#include "renesas-smarc2.dtsi"
> +
> +/ {
> +	model = "Renesas SMARC EVK version 2 based on r9a08g046l48";
> +	compatible = "renesas,smarc2-evk", "renesas,rzg3l-smarcm",
> +		     "renesas,r9a08g046l48", "renesas,r9a08g046";
> +
> +	aliases {
> +		serial3 = &scif0;
> +	};
> +};
> +
> +&keys {
> +	status = "disabled";
> +
> +	/delete-node/ key-1;
> +	/delete-node/ key-2;
> +	/delete-node/ key-3;
> +};
> +
> +&scif0 {
> +	status = "okay";
> +};

I will drop this node in next version as it is enabled in renesas-smarc.dtsi

Cheers,
Biju

> --
> 2.43.0