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Tue, 17 Jun 2025 10:19:59 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Geert Uytterhoeven , Magnus Damm , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [PATCH v2 1/4] arm64: dts: renesas: Add initial SoC DTSI for RZ/N2H SoC Date: Tue, 17 Jun 2025 18:19:54 +0100 Message-ID: <20250617171957.162145-2-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250617171957.162145-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20250617171957.162145-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Lad Prabhakar Add initial SoC DTSI for Renesas RZ/N2H ("R9A09G087") SoC, below are the list of blocks added: - EXT CLKs - 4X CA55 - SCIF - CPG - GIC - ARMv8 Timer Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- v1->v2: - Reordered the `l3_ca55` node and renamed it to `L3_CA55` for consistency - Added reviewed-by tag from Geert --- arch/arm64/boot/dts/renesas/r9a09g087.dtsi | 124 +++++++++++++++++++++ 1 file changed, 124 insertions(+) create mode 100644 arch/arm64/boot/dts/renesas/r9a09g087.dtsi diff --git a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi b/arch/arm64/boot/d= ts/renesas/r9a09g087.dtsi new file mode 100644 index 000000000000..e57a91adcb68 --- /dev/null +++ b/arch/arm64/boot/dts/renesas/r9a09g087.dtsi @@ -0,0 +1,124 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/* + * Device Tree Source for the RZ/N2H SoC + * + * Copyright (C) 2025 Renesas Electronics Corp. + */ + +#include +#include + +/ { + compatible =3D "renesas,r9a09g087"; + #address-cells =3D <2>; + #size-cells =3D <2>; + + cpus { + #address-cells =3D <1>; + #size-cells =3D <0>; + + cpu0: cpu@0 { + compatible =3D "arm,cortex-a55"; + reg =3D <0>; + device_type =3D "cpu"; + next-level-cache =3D <&L3_CA55>; + enable-method =3D "psci"; + }; + + cpu1: cpu@100 { + compatible =3D "arm,cortex-a55"; + reg =3D <0x100>; + device_type =3D "cpu"; + next-level-cache =3D <&L3_CA55>; + enable-method =3D "psci"; + }; + + cpu2: cpu@200 { + compatible =3D "arm,cortex-a55"; + reg =3D <0x200>; + device_type =3D "cpu"; + next-level-cache =3D <&L3_CA55>; + enable-method =3D "psci"; + }; + + cpu3: cpu@300 { + compatible =3D "arm,cortex-a55"; + reg =3D <0x300>; + device_type =3D "cpu"; + next-level-cache =3D <&L3_CA55>; + enable-method =3D "psci"; + }; + + L3_CA55: cache-controller-0 { + compatible =3D "cache"; + cache-unified; + cache-size =3D <0x100000>; + cache-level =3D <3>; + }; + }; + + extal_clk: extal { + compatible =3D "fixed-clock"; + #clock-cells =3D <0>; + /* This value must be overridden by the board */ + clock-frequency =3D <0>; + }; + + psci { + compatible =3D "arm,psci-1.0", "arm,psci-0.2"; + method =3D "smc"; + }; + + soc: soc { + compatible =3D "simple-bus"; + interrupt-parent =3D <&gic>; + #address-cells =3D <2>; + #size-cells =3D <2>; + ranges; + + sci0: serial@80005000 { + compatible =3D "renesas,r9a09g087-rsci", "renesas,r9a09g077-rsci"; + reg =3D <0 0x80005000 0 0x400>; + interrupts =3D , + , + , + ; + interrupt-names =3D "eri", "rxi", "txi", "tei"; + clocks =3D <&cpg CPG_MOD 8>, <&cpg CPG_CORE R9A09G087_CLK_PCLKM>; + clock-names =3D "operation", "bus"; + power-domains =3D <&cpg>; + status =3D "disabled"; + }; + + cpg: clock-controller@80280000 { + compatible =3D "renesas,r9a09g087-cpg-mssr"; + reg =3D <0 0x80280000 0 0x1000>, + <0 0x81280000 0 0x9000>; + clocks =3D <&extal_clk>; + clock-names =3D "extal"; + #clock-cells =3D <2>; + #reset-cells =3D <1>; + #power-domain-cells =3D <0>; + }; + + gic: interrupt-controller@83000000 { + compatible =3D "arm,gic-v3"; + reg =3D <0x0 0x83000000 0 0x40000>, + <0x0 0x83040000 0 0x160000>; + #interrupt-cells =3D <3>; + #address-cells =3D <0>; + interrupt-controller; + interrupts =3D ; + }; + }; + + timer { + compatible =3D "arm,armv8-timer"; + interrupts-extended =3D <&gic GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>, + <&gic GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>, + <&gic GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>, + <&gic GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>, + <&gic GIC_PPI 12 IRQ_TYPE_LEVEL_LOW>; + interrupt-names =3D "sec-phys", "phys", "virt", "hyp-phys", "hyp-virt"; + }; +}; --=20 2.49.0 From nobody Thu Oct 9 10:50:43 2025 Received: from mail-wm1-f47.google.com (mail-wm1-f47.google.com [209.85.128.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6332E23B624; Tue, 17 Jun 2025 17:20:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.47 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750180805; cv=none; b=s3Rt5D+CcIB5n1ISL+PB3dpK49MsF472gE1rG+nuGNXI4yB/pqPa6Y8Fa9/EGd5L/HQ/BeJUBtr8rV4Q462Rb94rC4g3wFHlZaOGwFuL9+FbBJ0x16zUP6JoyEEkdduTm9mlACOg6C8LwhbK1TOMlP4+CuAQn0BUGRzCbCGYCPw= ARC-Message-Signature: i=1; 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Tue, 17 Jun 2025 10:20:01 -0700 (PDT) Received: from iku.Home ([2a06:5906:61b:2d00:a081:30f1:e1c7:6f28]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4532e25f207sm180875415e9.35.2025.06.17.10.20.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Jun 2025 10:20:00 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Geert Uytterhoeven , Magnus Damm , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [PATCH v2 2/4] arm64: dts: renesas: Refactor RZ/T2H EVK device tree Date: Tue, 17 Jun 2025 18:19:55 +0100 Message-ID: <20250617171957.162145-3-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250617171957.162145-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20250617171957.162145-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Paul Barker The RZ/T2H EVK and RZ/N2H EVK are very similar boards. As there is so much overlap between these parts, common device tree entries are moved to the new file rzt2h-evk-common.dtsi. Signed-off-by: Paul Barker Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- v1->v2: - Renamed the file to `rzt2h-n2h-evk-common.dtsi` to better reflect its purpose. --- .../dts/renesas/r9a09g077m44-rzt2h-evk.dts | 17 +------------ .../dts/renesas/rzt2h-n2h-evk-common.dtsi | 24 +++++++++++++++++++ 2 files changed, 25 insertions(+), 16 deletions(-) create mode 100644 arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi diff --git a/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts b/arch/= arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts index 752d4c9f2cae..486584fefead 100644 --- a/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts +++ b/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts @@ -8,24 +8,9 @@ /dts-v1/; =20 #include "r9a09g077m44.dtsi" +#include "rzt2h-n2h-evk-common.dtsi" =20 / { model =3D "Renesas RZ/T2H EVK Board based on r9a09g077m44"; compatible =3D "renesas,rzt2h-evk", "renesas,r9a09g077m44", "renesas,r9a0= 9g077"; - - aliases { - serial0 =3D &sci0; 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charset="utf-8" From: Paul Barker Add the device tree source include file for the R9A09G087M44 variant of the Renesas RZ/N2H SoC, which features a 4-core configuration. Signed-off-by: Paul Barker Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- v1->v2: - Added reviewed-by tag from Geert --- arch/arm64/boot/dts/renesas/r9a09g087m44.dtsi | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 arch/arm64/boot/dts/renesas/r9a09g087m44.dtsi diff --git a/arch/arm64/boot/dts/renesas/r9a09g087m44.dtsi b/arch/arm64/boo= t/dts/renesas/r9a09g087m44.dtsi new file mode 100644 index 000000000000..ef0343b53309 --- /dev/null +++ b/arch/arm64/boot/dts/renesas/r9a09g087m44.dtsi @@ -0,0 +1,13 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/* + * Device Tree Source for the RZ/N2H 4-core SoC + * + * Copyright (C) 2025 Renesas Electronics Corp. + */ + +/dts-v1/; +#include "r9a09g087.dtsi" + +/ { + compatible =3D "renesas,r9a09g087m44", "renesas,r9a09g087"; +}; --=20 2.49.0 From nobody Thu Oct 9 10:50:43 2025 Received: from mail-wr1-f45.google.com (mail-wr1-f45.google.com [209.85.221.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C6DA428506C; 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charset="utf-8" From: Paul Barker Add an initial devicetree file for the Renesas RZ/N2H Evaluation Board (EVK). Signed-off-by: Paul Barker Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- v1->v2: - Updated model string to "Renesas RZ/N2H EVK Board based on r9a09g087m44" - Added reviewed-by tag from Geert --- arch/arm64/boot/dts/renesas/Makefile | 2 ++ .../boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts | 16 ++++++++++++++++ 2 files changed, 18 insertions(+) create mode 100644 arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/ren= esas/Makefile index 52d0488cfee3..2bd5d179f757 100644 --- a/arch/arm64/boot/dts/renesas/Makefile +++ b/arch/arm64/boot/dts/renesas/Makefile @@ -167,5 +167,7 @@ dtb-$(CONFIG_ARCH_R9A09G057) +=3D r9a09g057h48-kakip.dtb =20 dtb-$(CONFIG_ARCH_R9A09G077) +=3D r9a09g077m44-rzt2h-evk.dtb =20 +dtb-$(CONFIG_ARCH_R9A09G087) +=3D r9a09g087m44-rzn2h-evk.dtb + dtb-$(CONFIG_ARCH_RCAR_GEN3) +=3D draak-ebisu-panel-aa104xd12.dtbo dtb-$(CONFIG_ARCH_RCAR_GEN3) +=3D salvator-panel-aa104xd12.dtbo diff --git a/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts b/arch/= arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts new file mode 100644 index 000000000000..d6ba14a26f03 --- /dev/null +++ b/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts @@ -0,0 +1,16 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/* + * Device Tree Source for the RZ/N2H EVK board + * + * Copyright (C) 2025 Renesas Electronics Corp. + */ + +/dts-v1/; + +#include "r9a09g087m44.dtsi" +#include "rzt2h-n2h-evk-common.dtsi" + +/ { + model =3D "Renesas RZ/N2H EVK Board based on r9a09g087m44"; + compatible =3D "renesas,rzn2h-evk", "renesas,r9a09g087m44", "renesas,r9a0= 9g087"; +}; --=20 2.49.0