From nobody Thu Apr 2 15:41:45 2026 Received: from AM0PR83CU005.outbound.protection.outlook.com (mail-westeuropeazon11010009.outbound.protection.outlook.com [52.101.69.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 31957346E46; Tue, 10 Feb 2026 10:04:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.69.9 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770717842; cv=fail; b=t+3hl3uAJNyj+iSltVLfJOi1JpQqGJPTQM1gza2Ll5A1TXKuXgVZUoUEmOM5+ksWxNCRd1pWJupqeb7g9V4GYiqOQM9+K5qTxlx7BmESyNpSEOZ0OWmIZna6Rc+WMhN2WFRHbpEHrAuSkJhJDmO6I3TD2EvfP6JuwrXlolGtlJc= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770717842; c=relaxed/simple; bh=DG5qhx1+0ZUfqPlPC6eusDAQUxXl4arhmhNEf4c/r8M=; h=From:Date:Subject:MIME-Version:Content-Type:Message-ID:References: In-Reply-To:To:CC; b=hArSXogZPFUmnrlQx7xY1lJLi6lvREvJwm/78a3bnp8OzAbMBjZKnJ7llyH1NTv//YbPUsjAwE58BMZc8pG7LlSChls/Y60z5k+CwjuwmUnHZNRfVVubH90QR6Y0viYZiUdG0ZYcuFAcWrbCm1mWvML09sM5sjpR3VcxnfXoGAQ= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=foss.st.com; spf=pass smtp.mailfrom=foss.st.com; dkim=pass (2048-bit key) header.d=foss.st.com header.i=@foss.st.com header.b=RmA/4Ff6; arc=fail smtp.client-ip=52.101.69.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=foss.st.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=foss.st.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=foss.st.com header.i=@foss.st.com header.b="RmA/4Ff6" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=f/otv8PuXjKxj728a+yNWvwjt5ovFwMQog7+AEJr7GNIcLLtDxIUqxg9pisbqyOFbrO2MKx3BqNGOp/u146S2bmkng+o3Rf4R+rDFikA0wbychpeb/hVGjnPIgzux3+cC73c5fnerRUOJJEugHz3bY2nqdMVcn8EYmRvfRwPOSQ6e8+PeemEP1J4Algjjmd5BRkaF2eoYxCm+9RV0/NH9ooQoa85T7o3nkL7mGnwIL00RkWQId+B0JHcPdQMGU9jRnhL59eU0JPz200Ei2zOmYOGl3likU92xwcPWB/u/RzKqnSrtI3wjLdRLV6zOLxej3otEwNOLe4Z0HtESf3NVA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=24qQLZ352PBO129n2m6cbX/zIAwoDL3cfnb6804fFiI=; b=u3PQr8gfg1HwCaILO/hnHMYysKj7u6F9zLjCZEo7EaHTZXE77MpfwBF9grq23rBnADlTiGeVF40pMuLpZDYh5v5uV/N28O9of/mF4B8z9RzwWFamFMarQhzxR7l0hdlXFnexwTBlbjBsETYMAeCYeFk00I26xYyombUL8B+mca36IQ/Jmjnqx5oIg1w4IqPP8WQWz8JpPDUk0bbQEt8LoBsuFqC4uEX8QMKnUl9SgGFvrJmpfsmVg852MXK8cCUGLFbQEAkYAYynU8a6Z1MAv8JoOKp64h55GoxB0kqHcvd965rVkRZrcll6l+VR69djb0eqTzjjongfIiz0JrnkFA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=fail (sender ip is 164.130.1.59) smtp.rcpttodomain=kernel.org smtp.mailfrom=foss.st.com; dmarc=fail (p=none sp=none pct=100) action=none header.from=foss.st.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=24qQLZ352PBO129n2m6cbX/zIAwoDL3cfnb6804fFiI=; b=RmA/4Ff6YHJz3ZQdXxDlcLhYOqg/WprfTwVoZTVweK3IqMgZqYNUL2x/gEdj990xkH3JtQiYrW/8b4z8K557TJtqZh5s48rcmZ+oaeDtBwaedFlQz1xJ2VBjSDIdA34h5sZTPJY/Gu5bUoWxRV9qyW2bclgB038qqMi8K/XLawZio/hxJ9nqgA/IrNXmEnSI7JjLu3bQ/A2NjoYw9pOq/Chx8Ml8GVgspXTu5+qxS2p1JfVls2KWr4+NtdZXeeXEzmv/XXfRSXFxP0HRlIbGN6WmVawkn83y5lH46w0KQWTrCKG82086jSXeiqYUQoAqLlAjXEeGgw+9xMjQowYOFg== Received: from CWLP265CA0392.GBRP265.PROD.OUTLOOK.COM (2603:10a6:400:1d6::17) by DB3PR10MB6907.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:10:42b::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9611.8; Tue, 10 Feb 2026 10:03:58 +0000 Received: from AMS1EPF00000046.eurprd04.prod.outlook.com (2603:10a6:400:1d6:cafe::8d) by CWLP265CA0392.outlook.office365.com (2603:10a6:400:1d6::17) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9587.19 via Frontend Transport; Tue, 10 Feb 2026 10:04:02 +0000 X-MS-Exchange-Authentication-Results: spf=fail (sender IP is 164.130.1.59) smtp.mailfrom=foss.st.com; dkim=none (message not signed) header.d=none;dmarc=fail action=none header.from=foss.st.com; Received-SPF: Fail (protection.outlook.com: domain of foss.st.com does not designate 164.130.1.59 as permitted sender) receiver=protection.outlook.com; client-ip=164.130.1.59; helo=smtpO365.st.com; Received: from smtpO365.st.com (164.130.1.59) by AMS1EPF00000046.mail.protection.outlook.com (10.167.16.43) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9611.8 via Frontend Transport; Tue, 10 Feb 2026 10:03:58 +0000 Received: from STKDAG1NODE1.st.com (10.75.128.132) by smtpo365.st.com (10.250.44.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Tue, 10 Feb 2026 11:05:48 +0100 Received: from localhost (10.130.75.212) by STKDAG1NODE1.st.com (10.75.128.132) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Tue, 10 Feb 2026 11:03:57 +0100 From: Raphael Gallais-Pou Date: Tue, 10 Feb 2026 11:04:02 +0100 Subject: [PATCH v2 9/9] arm64: dts: st: enable display support on stm32mp257f-dk board Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20260210-display-v2-9-0592bd514958@foss.st.com> References: <20260210-display-v2-0-0592bd514958@foss.st.com> In-Reply-To: <20260210-display-v2-0-0592bd514958@foss.st.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maxime Coquelin , Alexandre Torgue , Christophe Roullier CC: Philippe Cornu , Yannick Fertre , =?utf-8?q?Rapha=C3=ABl_Gallais-Pou?= , , , , X-Mailer: b4 0.14.2 X-ClientProxiedBy: STKCAS1NODE1.st.com (10.75.128.134) To STKDAG1NODE1.st.com (10.75.128.132) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AMS1EPF00000046:EE_|DB3PR10MB6907:EE_ X-MS-Office365-Filtering-Correlation-Id: bb48a43e-864e-441c-e210-08de688bb54e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|82310400026|1800799024|36860700013; X-Microsoft-Antispam-Message-Info: =?utf-8?B?S0Fka0tFeTY1SlJORFlzcm02enp2b0FwS0Ixam1wbVBXVDZzSDNmYklFc05t?= =?utf-8?B?UzhZVzhVTzR6RDhSd2tUbkZBNFZDSjJZUHgxSTFrMWlHZmJUeThoWHVIZ283?= =?utf-8?B?Z2pnY055RlhPSFFGU0RCQlRkUktMTDdaVFRKdS80RWRTUVdGWnlHSjI1b09U?= =?utf-8?B?WDhkcE40Yy95dnRyR25jYUZxd2ZHdUlsM0tCaWVYV1Jrb2YvaFozeGMxL1BY?= =?utf-8?B?cnVaRzBnckxPaFRkZnhadWNLQktnUVpCb25CZDJaQTN6SXd0OHBxeTFDZzY4?= =?utf-8?B?Snk1c3VKZ3IySmdrUWQwM2RNaHY0emFVa05RQVVrYUp1SWRCSTRpdi9RZUJo?= =?utf-8?B?NFBUaGZtNEpXWU9Wd0dCRDltVFFWUWFMVmtKb0ZEWFFrajh4TG5haG1sbVc4?= =?utf-8?B?N1BLd2J4MFh3SEZlZXBtN1pVTXAwazU1QnVWaDJGNjhjc2UxYVFkVFdJQ28w?= =?utf-8?B?WENmOWdpWHdEOUdqcVJNdXdxVnNUZWpteDZ6ZGFZM1FuTnZyczdOTjRpQzA5?= =?utf-8?B?bXM0cERWVGRKMXFVcWVyaW1KanRRODM4S2RaTzl4aGppNnVVMVlORmVEWVk2?= =?utf-8?B?RmxTNDRac1ZpTTJvRHdldnNGUjBqdlZId0cxaDd4K2VJbUVjeTBqdVdKd3NJ?= =?utf-8?B?OFdwVDBUMzc2cEJRalVvb2g5dTZsQ2ZwWkFyTkw1eEViczRTMnZ2VTNHbWIw?= =?utf-8?B?VDIxZmk1RmFtZ052RTY5SXUzZzltd29paXU2bzgyRzdPNWJrQmhwMG9zRElN?= =?utf-8?B?UDU1Z3NraVJodmNXSStlcCt5RUNOKys1MURSNGdZK2VSSlZmM1R5MFBKOVp1?= =?utf-8?B?dDd2cVcwYllmdlJHL3FBYVE5UmswcGQraWFOUUpva25MZ3dHR1NJS2x6UXJW?= =?utf-8?B?UnFNeXlYWXVwRW5MVUFpd1I0ZkdZSWV2bmkvdFpkZXBKM1BzcXJLd2FUeXR4?= =?utf-8?B?NTZZQStTVktPR2cvc3I5STlNZ0xaWnhBUTQrZVcyck0rNG5xZVpFWlJWUk53?= =?utf-8?B?VDJuR1A4Y2QxUHFwcUxTNDcrZmVncS9FUXlEa2h0dUQ4T09oeEYwTXFtamc5?= =?utf-8?B?SWF2dlJGWmtvTDZPSFRaUmRxQldsQklmQjRPcE5CUnFrdVNhRmtSMXF4Njlp?= =?utf-8?B?akYra2Z3ck05Tm1rM2g2d2x4bEJEbndVM21kL2ZkR2haZSthQUs4YUh6cHVs?= =?utf-8?B?eWdZQUpDVFB4TUlSa1hMUExDUG51K0N2cW54bnVOd253aExxOFRXb2QrS3F2?= =?utf-8?B?NmVqMTIvNzFDLzRJWnJYWWlqVTNuYXU0Q3JrNGxBa2JOS3UxVFh0L25Qc3lk?= =?utf-8?B?UlNLREliaGcyaSt0ZkZqWVRnMldHRERUelpsY0l5bkRNZEJPb0cxUUViUW1V?= =?utf-8?B?bm5oVTFDbjNRQTRrNUd6TWx5S2FvV3RwdFpVYXczVGJUc2NURUVuYlZ0L0s2?= =?utf-8?B?eG1CaU05V1liZm00bmxOaVJXTFdOeitySU9HMXBnb0xXdGtTdm81ODdzRHNI?= =?utf-8?B?c3JtU0ZBeGdMcmtzR1lXMmFJQ01VOFdzQXBzSjY0dVR3Z0pnenlIdnpYS2lO?= =?utf-8?B?ZHNIOU1zZTdtYnJWM2RaRVBQZUlUZE95cjRwMWpteFhaSWttN1V3R2tqQi92?= =?utf-8?B?QlVMOUR4SjlyNVlWbHhvZkIwWDhKdHB0UWFkOGlJUzIrcEZBeVo2U3BiSVRr?= =?utf-8?B?ZG5yZzRiYjlLSXdEYm9vSVhGTElISUQzN2h1WDdxSFQwQ0ppeW1waGpuSDNX?= =?utf-8?B?Zk1FQVZucG5wbTFQOHVmbUprWlQzMnd4RDNiTXQyVzMveElYckJaSFZIbk9P?= =?utf-8?B?SFp0cTlTZmdxZGJQaTFHSXlES2gzU1I0dE9KWlozZ3lXRnJXT1daZGR4M2p5?= =?utf-8?B?aGV4d2luZlZnMXVyTWJsNlRjOGZacDVoa2l0YTYxQmlOck1GcHZzNzdrRklW?= =?utf-8?B?S1RnRi82a1BzOFBCcjJLMEpTMlpoNjgxaDZSb0RhUWljL081RVNQUW1vNDIy?= =?utf-8?B?OThLVVp0dENlcnJhZ1RnODd0QVNmajdmcVRtSENNMnJ5Nm9nNmpSbEV2VUcy?= =?utf-8?B?UDVNOHdxUjhzeDhDZE8xOVcxaWNZeVh3RUZrdnltcFp5VTlqMjQyNHV2dW44?= =?utf-8?B?aXl0aDZvcUQwSUpWcXR5NkNsMk03UzFZekQ5NENyVG1HUHZjS2l4RitITEFX?= =?utf-8?B?RGxBTEg4VXR6MnpPNmdNWFhvanlqZ1lmbnZ5STdPaURwL045Vms2VlphUTI1?= =?utf-8?B?Zko0eVBCTG1nTXQyRHZxbWNKcER3PT0=?= X-Forefront-Antispam-Report: CIP:164.130.1.59;CTRY:IT;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:smtpO365.st.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(376014)(82310400026)(1800799024)(36860700013);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: gGwUAb0TbfdzVwlJtnXQpNXFKAvBGGFkF+zCYK9qI2dGpmHL5suGKlesXs1G+XOH0DECMZBJSvh2nmIthbU63c6xooRR3uFHtez42I9mIgldHbS9OxHMoafnf87gDA2YQufeAeGVcwQxO4h0qHYWMIvNo3RNBj0GNX8oXK7r2DcW24wvLvt8ys2pzxoFEt/NVcYxYy8EDzUFTA7TlulukzbcPoUyf4ad0Ixa+tPtr0XqLdp8KDGZGAonicfIklsgN93I8BP+mSA59irw6eV+dUNrUAC3ccNFaXT+0rsX5C8Ua2JPIBH4PEcV1ZiwVRmCgNZeb4WlNTQF2uWLkWCIE9sEIbvlVNNmqvEx40MpGfIrTNA2WAmVKd9vJDqXnG3mppBoZVf5sPcKkh3v9OcC5XDcjyPHFLOcXenvwCbUVDOOOc/+TA8xkpDoELhbEzMW X-OriginatorOrg: foss.st.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Feb 2026 10:03:58.4005 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: bb48a43e-864e-441c-e210-08de688bb54e X-MS-Exchange-CrossTenant-Id: 75e027c9-20d5-47d5-b82f-77d7cd041e8f X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=75e027c9-20d5-47d5-b82f-77d7cd041e8f;Ip=[164.130.1.59];Helo=[smtpO365.st.com] X-MS-Exchange-CrossTenant-AuthSource: AMS1EPF00000046.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB3PR10MB6907 Enable the following IPs on stm32mp257f-dk in order to get display: * LTDC * LVDS * WSVGA LVDS panel (1024x600) * Panel LVDS backlight as GPIO backlight * ILI2511 i2c touchscreen Signed-off-by: Raphael Gallais-Pou --- arch/arm64/boot/dts/st/stm32mp257f-dk.dts | 90 +++++++++++++++++++++++++++= ++++ 1 file changed, 90 insertions(+) diff --git a/arch/arm64/boot/dts/st/stm32mp257f-dk.dts b/arch/arm64/boot/dt= s/st/stm32mp257f-dk.dts index 4e45562ceb3dabb19eca3340337b364f63508215..b60c13614cfb9207b8b541ee8bd= e4ae9aab937a8 100644 --- a/arch/arm64/boot/dts/st/stm32mp257f-dk.dts +++ b/arch/arm64/boot/dts/st/stm32mp257f-dk.dts @@ -55,6 +55,43 @@ led-blue { }; }; =20 + panel_lvds: display { + compatible =3D "edt,etml0700z9ndha", "panel-lvds"; + enable-gpios =3D <&gpioi 4 GPIO_ACTIVE_HIGH>; + backlight =3D <&panel_lvds_backlight>; + power-supply =3D <&scmi_v3v3>; + width-mm =3D <156>; + height-mm =3D <92>; + data-mapping =3D "vesa-24"; + status =3D "okay"; + + panel-timing { + clock-frequency =3D <54000000>; + hactive =3D <1024>; + vactive =3D <600>; + hfront-porch =3D <150>; + hback-porch =3D <150>; + hsync-len =3D <21>; + vfront-porch =3D <24>; + vback-porch =3D <24>; + vsync-len =3D <21>; + }; + + port { + lvds_panel_in: endpoint { + remote-endpoint =3D <&lvds_out0>; + }; + }; + }; + + panel_lvds_backlight: backlight { + compatible =3D "gpio-backlight"; + gpios =3D <&gpioi 4 GPIO_ACTIVE_HIGH>; + default-on; + status =3D "okay"; + }; + + memory@80000000 { device_type =3D "memory"; reg =3D <0x0 0x80000000 0x1 0x0>; @@ -100,6 +137,59 @@ phy1_eth1: ethernet-phy@1 { }; }; =20 +&i2c2 { + pinctrl-names =3D "default", "sleep"; + pinctrl-0 =3D <&i2c2_pins_b>; + pinctrl-1 =3D <&i2c2_sleep_pins_b>; + i2c-scl-rising-time-ns =3D <108>; + i2c-scl-falling-time-ns =3D <12>; + clock-frequency =3D <400000>; + status =3D "okay"; + /* spare dmas for other usage */ + /delete-property/dmas; + /delete-property/dma-names; + + ili2511: ili2511@41 { + compatible =3D "ilitek,ili251x"; + reg =3D <0x41>; + interrupt-parent =3D <&gpioi>; + interrupts =3D <6 IRQ_TYPE_EDGE_FALLING>; + reset-gpios =3D <&gpioi 0 GPIO_ACTIVE_LOW>; + status =3D "okay"; + }; +}; + +<dc { + status =3D "okay"; + port { + ltdc_ep0_out: endpoint { + remote-endpoint =3D <&lvds_in>; + }; + }; +}; + +&lvds { + status =3D "okay"; + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + lvds_in: endpoint { + remote-endpoint =3D <<dc_ep0_out>; + }; + }; + + port@1 { + reg =3D <1>; + lvds_out0: endpoint { + remote-endpoint =3D <&lvds_panel_in>; + }; + }; + }; +}; + &scmi_regu { scmi_vddio1: regulator@0 { regulator-min-microvolt =3D <1800000>; --=20 2.43.0