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Tue, 25 Nov 2025 14:45:50 -0800 (PST) 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 4/4] arm64: dts: renesas: r9a09g056n48-rzv2n-evk: Add NMI wakeup button support Date: Tue, 25 Nov 2025 22:45:33 +0000 Message-ID: <20251125224533.294235-5-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251125224533.294235-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20251125224533.294235-1-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 support for the NMI connected user pushbutton on the RZ/V2N EVK. The button is wired to the SoC NMI input and can be used to wake the system from low-power states. Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- .../boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts b/arch/= arm64/boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts index 62bac7416fd1..e0d8e8d10386 100644 --- a/arch/arm64/boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts +++ b/arch/arm64/boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts @@ -8,6 +8,7 @@ /dts-v1/; =20 #include +#include #include "r9a09g056.dtsi" =20 / { @@ -44,6 +45,18 @@ hdmi_con_out: endpoint { }; }; =20 + keys: keys { + compatible =3D "gpio-keys"; + + key-wakeup { + interrupts-extended =3D <&icu 0 IRQ_TYPE_EDGE_FALLING>; + linux,code =3D ; + label =3D "NMI_SW"; + debounce-interval =3D <20>; + wakeup-source; + }; + }; + memory@48000000 { device_type =3D "memory"; /* first 128MB is reserved for secure area. */ --=20 2.52.0