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Wed, 23 Sep 2026 18:43:40 +0000 From: Shenwei Wang To: Linus Walleij , Bartosz Golaszewski , Jonathan Corbet , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Mathieu Poirier , Frank Li , Sascha Hauer Cc: Shuah Khan , linux-gpio@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Pengutronix Kernel Team , Fabio Estevam , Shenwei Wang , Peng Fan , devicetree@vger.kernel.org, linux-remoteproc@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-imx@nxp.com, Arnaud POULIQUEN , b-padhi@ti.com, Andrew Lunn Subject: [PATCH v16 5/5] arm64: dts: imx8ulp: Add rpmsg node under imx_rproc Date: Wed, 23 Sep 2026 13:42:32 -0500 Message-ID: <20260923184255.299034-6-shenwei.wang@oss.nxp.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260923184255.299034-1-shenwei.wang@oss.nxp.com> References: <20260923184255.299034-1-shenwei.wang@oss.nxp.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: CY5PR15CA0128.namprd15.prod.outlook.com (2603:10b6:930:68::18) To VI1PR04MB7135.eurprd04.prod.outlook.com (2603:10a6:800:12c::22) 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: VI1PR04MB7135:EE_|AM8PR04MB7298:EE_ X-MS-Office365-Filtering-Correlation-Id: daccfc00-993d-4512-9c99-08df19a295ff X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|23010399003|19092799006|7416014|376014|1800799024|921020|3023799007|10067099003|56012099006|11063799006|22082099003|18002099003; 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Enable remote device communication and GPIO control via RPMSG on the i.MX platform. Signed-off-by: Shenwei Wang --- arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi index c6d1bb9edf38..81fb36b48f20 100644 --- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi @@ -190,6 +190,29 @@ scmi_sensor: protocol@15 { cm33: remoteproc-cm33 { compatible = "fsl,imx8ulp-cm33"; status = "disabled"; + + rpmsg { + #address-cells = <1>; + #size-cells = <0>; + + rpmsg_gpioa: gpio@0 { + compatible = "rpmsg-gpio"; + reg = <0>; + gpio-controller; + #gpio-cells = <2>; + #interrupt-cells = <2>; + interrupt-controller; + }; + + rpmsg_gpiob: gpio@1 { + compatible = "rpmsg-gpio"; + reg = <1>; + gpio-controller; + #gpio-cells = <2>; + #interrupt-cells = <2>; + interrupt-controller; + }; + }; }; soc: soc@0 { -- 2.43.0