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Tue, 05 May 2026 05:59:25 -0700 (PDT) From: Biju X-Google-Original-From: Biju To: Geert Uytterhoeven , Magnus Damm , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Biju Das , linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar Mahadev Lad , Biju Das Subject: [PATCH 1/2] arm64: dts: renesas: r9a08g046: Add wdt device node Date: Tue, 5 May 2026 13:59:16 +0100 Message-ID: <20260505125921.149682-2-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260505125921.149682-1-biju.das.jz@bp.renesas.com> References: <20260505125921.149682-1-biju.das.jz@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: Biju Das The RZ/G3L SOC has 3 watchdog timer channels: wdt channel0(wdt0) for Cortex-A55-CPU Non-Secure wdt channel1(wdt1) for Cortex-A55 CPU Secure wdt channel2(wdt2) for Cortex-M33 CPU Add wdt0 node to RZ/G3L ("R9A08G046") SoC DTSI. Signed-off-by: Biju Das Reviewed-by: Geert Uytterhoeven --- arch/arm64/boot/dts/renesas/r9a08g046.dtsi | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r9a08g046.dtsi b/arch/arm64/boot/d= ts/renesas/r9a08g046.dtsi index 55cbae6ca8d4..930873ae7786 100644 --- a/arch/arm64/boot/dts/renesas/r9a08g046.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a08g046.dtsi @@ -875,6 +875,20 @@ gic: interrupt-controller@12400000 { interrupt-controller; interrupts =3D ; }; + + wdt0: watchdog@12800800 { + compatible =3D "renesas,r9a08g046-wdt", "renesas,rzg2l-wdt"; + reg =3D <0 0x12800800 0 0x400>; + clocks =3D <&cpg CPG_MOD R9A08G046_WDT0_PCLK>, + <&cpg CPG_MOD R9A08G046_WDT0_CLK>; + clock-names =3D "pclk", "oscclk"; + interrupts =3D , + ; + interrupt-names =3D "wdt", "perrout"; + resets =3D <&cpg R9A08G046_WDT0_PRESETN>; + power-domains =3D <&cpg>; + status =3D "disabled"; + }; }; =20 stmmac_axi_setup: stmmac-axi-config { --=20 2.43.0 From nobody Sat Jun 13 21:24:19 2026 Received: from mail-wm1-f42.google.com (mail-wm1-f42.google.com [209.85.128.42]) (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 B0883426EC8 for ; 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Tue, 05 May 2026 05:59:26 -0700 (PDT) Received: from localhost.localdomain ([2a00:23c4:a758:8a01:1da3:f63c:84a5:197e]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48a82301ad1sm625634745e9.9.2026.05.05.05.59.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 May 2026 05:59:26 -0700 (PDT) From: Biju X-Google-Original-From: Biju To: Geert Uytterhoeven , Magnus Damm , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Biju Das , linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar Mahadev Lad , Biju Das Subject: [PATCH 2/2] arm64: dts: renesas: rzg3l-smarc-som: Enable watchdog Date: Tue, 5 May 2026 13:59:17 +0100 Message-ID: <20260505125921.149682-3-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260505125921.149682-1-biju.das.jz@bp.renesas.com> References: <20260505125921.149682-1-biju.das.jz@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: Biju Das Enable watchdog timer channel0 on RZ/G3L SoM DTSI Signed-off-by: Biju Das Reviewed-by: Geert Uytterhoeven --- arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi b/arch/arm64/= boot/dts/renesas/rzg3l-smarc-som.dtsi index 0c5b195ec57e..f4ae7b7d7749 100644 --- a/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi +++ b/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi @@ -219,3 +219,8 @@ i2c0_pins: i2c0 { ; /* RIIC0_SDA */ }; }; + +&wdt0 { + timeout-sec =3D <60>; + status =3D "okay"; +}; --=20 2.43.0