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Fri, 23 Jan 2026 02:23:26 +0000 From: Nick Xie To: neil.armstrong@linaro.org, khilman@baylibre.com, jbrunet@baylibre.com, martin.blumenstingl@googlemail.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org Cc: krzk+dt@kernel.org, robh@kernel.org, conor+dt@kernel.org, xieqinick@gmail.com, Nick Xie Subject: [PATCH 4/6] arm64: dts: amlogic: meson-s4-s905y4-khadas-vim1s: add POWER key support Date: Fri, 23 Jan 2026 10:22:56 +0800 Message-Id: <20260123022258.136448-5-nick@khadas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260123022258.136448-1-nick@khadas.com> References: <20260123022258.136448-1-nick@khadas.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SI2P153CA0024.APCP153.PROD.OUTLOOK.COM (2603:1096:4:190::13) To PS1PPF62EEA9B1D.apcprd03.prod.outlook.com (2603:1096:308::2da) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PS1PPF62EEA9B1D:EE_|SI2PR03MB6590:EE_ X-MS-Office365-Filtering-Correlation-Id: 117445b1-09f1-433f-2f30-08de5a2663b3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|52116014|366016|1800799024|38350700014; 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charset="utf-8" Add the gpio-keys-polled node to support the Power button found on the Khadas VIM1S board. The button is connected to the GPIOD_8 pin. Use polled mode instead of gpio-keys because the GPIO interrupt controller support for Meson S4 SoC is not yet available upstream. Signed-off-by: Nick Xie --- .../dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts b= /arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts index 4bae6d46defb5..cf65c079e675a 100644 --- a/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts +++ b/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts @@ -6,6 +6,7 @@ /dts-v1/; =20 #include "meson-s4.dtsi" +#include #include =20 / { @@ -44,6 +45,17 @@ emmc_pwrseq: emmc-pwrseq { reset-gpios =3D <&gpio GPIOB_9 GPIO_ACTIVE_LOW>; }; =20 + gpio-keys-polled { + compatible =3D "gpio-keys-polled"; + poll-interval =3D <100>; + + power-button { + label =3D "power"; + linux,code =3D ; + gpios =3D <&gpio GPIOD_8 GPIO_ACTIVE_LOW>; + }; + }; + pwm-leds { compatible =3D "pwm-leds"; =20 --=20 2.34.1