{"id":2226909,"url":"http://patchwork.ozlabs.org/api/patches/2226909/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-gpio/patch/20260422212849.1240591-5-shenwei.wang@nxp.com/","project":{"id":42,"url":"http://patchwork.ozlabs.org/api/projects/42/?format=json","name":"Linux GPIO development","link_name":"linux-gpio","list_id":"linux-gpio.vger.kernel.org","list_email":"linux-gpio@vger.kernel.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260422212849.1240591-5-shenwei.wang@nxp.com>","list_archive_url":null,"date":"2026-04-22T21:28:49","name":"[v13,4/4] arm64: dts: imx8ulp: Add rpmsg node under imx_rproc","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"c568ab3b975700d2f4867d7143fc295051460ccb","submitter":{"id":74153,"url":"http://patchwork.ozlabs.org/api/people/74153/?format=json","name":"Shenwei Wang","email":"shenwei.wang@nxp.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-gpio/patch/20260422212849.1240591-5-shenwei.wang@nxp.com/mbox/","series":[{"id":501113,"url":"http://patchwork.ozlabs.org/api/series/501113/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-gpio/list/?series=501113","date":"2026-04-22T21:28:45","name":"Enable Remote GPIO over RPMSG on i.MX Platform","version":13,"mbox":"http://patchwork.ozlabs.org/series/501113/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2226909/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2226909/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-gpio@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=nxp.com header.i=@nxp.com header.a=rsa-sha256\n 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,\n\tdevicetree@vger.kernel.org,\n\tlinux-remoteproc@vger.kernel.org,\n\timx@lists.linux.dev,\n\tlinux-arm-kernel@lists.infradead.org,\n\tlinux-imx@nxp.com","Subject":"[PATCH v13 4/4] arm64: dts: imx8ulp: Add rpmsg node under imx_rproc","Date":"Wed, 22 Apr 2026 16:28:49 -0500","Message-ID":"<20260422212849.1240591-5-shenwei.wang@nxp.com>","X-Mailer":"git-send-email 2.43.0","In-Reply-To":"<20260422212849.1240591-1-shenwei.wang@nxp.com>","References":"<20260422212849.1240591-1-shenwei.wang@nxp.com>","Content-Transfer-Encoding":"8bit","Content-Type":"text/plain","X-ClientProxiedBy":"SA1PR05CA0020.namprd05.prod.outlook.com\n (2603:10b6:806:2d2::22) To PAXPR04MB9185.eurprd04.prod.outlook.com\n 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5fc6dbe4-9b1e-4791-feb8-08dea0b662ad","X-MS-Exchange-CrossTenant-AuthSource":"PAXPR04MB9185.eurprd04.prod.outlook.com","X-MS-Exchange-CrossTenant-AuthAs":"Internal","X-MS-Exchange-CrossTenant-OriginalArrivalTime":"22 Apr 2026 21:30:33.7139\n (UTC)","X-MS-Exchange-CrossTenant-FromEntityHeader":"Hosted","X-MS-Exchange-CrossTenant-Id":"686ea1d3-bc2b-4c6f-a92c-d99c5c301635","X-MS-Exchange-CrossTenant-MailboxType":"HOSTED","X-MS-Exchange-CrossTenant-UserPrincipalName":"\n AfWw5VI1EA80zcovJWAO1SB6B87pZkrUXqM6rkV4NB22smr8fIvMPuAyVTXi0VoW+L+T86Y5+UYhmI4F/LVguA==","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"DU2PR04MB8870"},"content":"Add the RPMSG bus node along with its GPIO subnodes to the device\ntree.\n\nEnable remote device communication and GPIO control via RPMSG on\nthe i.MX platform.\n\nSigned-off-by: Shenwei Wang \n---\n arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 25 ++++++++++++++++++++++\n 1 file changed, 25 insertions(+)","diff":"diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi\nindex 1de3ad60c6aa..f1b984eb1203 100644\n--- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi\n+++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi\n@@ -190,6 +190,31 @@ scmi_sensor: protocol@15 {\n \tcm33: remoteproc-cm33 {\n \t\tcompatible = \"fsl,imx8ulp-cm33\";\n \t\tstatus = \"disabled\";\n+\n+\t\trpmsg {\n+\t\t\trpmsg-io {\n+\t\t\t\t#address-cells = <1>;\n+\t\t\t\t#size-cells = <0>;\n+\n+\t\t\t\trpmsg_gpioa: gpio@0 {\n+\t\t\t\t\tcompatible = \"rpmsg-gpio\";\n+\t\t\t\t\treg = <0>;\n+\t\t\t\t\tgpio-controller;\n+\t\t\t\t\t#gpio-cells = <2>;\n+\t\t\t\t\t#interrupt-cells = <2>;\n+\t\t\t\t\tinterrupt-controller;\n+\t\t\t\t};\n+\n+\t\t\t\trpmsg_gpiob: gpio@1 {\n+\t\t\t\t\tcompatible = \"rpmsg-gpio\";\n+\t\t\t\t\treg = <1>;\n+\t\t\t\t\tgpio-controller;\n+\t\t\t\t\t#gpio-cells = <2>;\n+\t\t\t\t\t#interrupt-cells = <2>;\n+\t\t\t\t\tinterrupt-controller;\n+\t\t\t\t};\n+\t\t\t};\n+\t\t};\n \t};\n \n \tsoc: soc@0 {\n","prefixes":["v13","4/4"]}