From nobody Sun May 24 22:36:43 2026 Received: from SN4PR0501CU005.outbound.protection.outlook.com (mail-southcentralusazon11011051.outbound.protection.outlook.com [40.93.194.51]) (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 E25192D7380; Thu, 21 May 2026 02:06:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.93.194.51 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779329200; cv=fail; b=JjbdrIps5cp3Z88VbTA7Q3HVEzIwaPobNTme/ah8g/wH/YVQo6bEMopz9+yB/Suitp18TPKMqdn/9L4OErv2f11TEFxoGMrHo9MaEJn3pZEF0/Yyfc8+4f27WRFO4fblULOxiV0BL/lhrFSmgtNKyQ3het/miNds8OkZ9dCgWwU= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779329200; c=relaxed/simple; bh=FNwxs7aIT1MhRUDIG00d8VaKogmQl2ADefUzZjbyGWw=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=g65VWUMo3JoYeCTWwqGWLNcetLPB3cAASXrM7mMlidMh4fuw5fxSv1Toge8ltZ+Vm/oI7Q4keVXOuG9Pu6OkRjOcFKiYWmXM+PQCbSzQhJUiiXUfHHRjGmGtCByASYHZvNBpqSvGD14XgyEpmhfqslDO/bQshDd6lozOI7Kg+nY= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=Qa9lWWvT; arc=fail smtp.client-ip=40.93.194.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="Qa9lWWvT" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=NrNBYY/wPGMR9RFRHPIkiwi7kw8z0C17K6aoSPYc6fFhS8sUNSM0kACNu2w2q4nU5IZOQv9nU8cBA1VxKtWKllsKLp48T64ja9uEe3iy3Qwvu+9xVr/l3WWbXRIDoVLYX/wPoUy5JLqM2w94C03DcNi9imjFn0gr/intT7MMkg4j5csPIY5qbbun3xS5mUwKl45wS8srynaMQgJ6zwbuCHtKG9n+hYkKEpAJ1kMdtdNQpuBdLG5VpDkJ8X6zi1rVelYPSHhNQnLgjSoHg7sjNxqp5jtKKMzzpXGlVZQgpVFe91CkZPO1Kppl3ji4wITrcAclR6yupOafvvkfZy9vzg== 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=FlFOu5MqxDFGL7C9V1EuJH8tdOybCgc7Gu6RlGlhbJ0=; b=aWxBURMRkmnlIw2NmZ/euW4zMX5jcFA1EIOcdQ7TFgKyNrl1SsTdZ8cCFS5zGDHt4gz7hwmcVo0Sgjw622XMPk4FDCtC0kU2PUMSGSKknHTqr4xO+S6Ya1LoXgffw9HtqbMeytaA/d8pIXrxu15IGhRkRJAgtbiIidMJGFcLNlGPApgNlXWI7frkhde2D1a68lPQWreGEBjQN1f0TL3krYQOa3iH589WpEe6r8MbF+s40vlWnEljx9GRCHglQJhMKFq+DjcoHWnCed6M4WBMNlY4srMDxjSLL74IfHS7N1C1stG6gjOiE3N+iRkTFP8PTMIYyVT6JiY+Qfo32lZ4HQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 198.47.23.194) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=ti.com; dmarc=pass (p=quarantine sp=none pct=100) action=none header.from=ti.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=FlFOu5MqxDFGL7C9V1EuJH8tdOybCgc7Gu6RlGlhbJ0=; b=Qa9lWWvTneo0d6AgzGB0t3CMfO+kl5N626NDmlkH9zmCXcQ3T6bsLgy1rUlprHhMxDAJ7cW0vLMdpvNspVNfVNnNsUbZoCMl6r3srY8RTQjZlzswqRO4bVg8h1H1rLQnzJRTTVE9+88WVeKwz0TVM08eXtkIO9hMPnyh5GN1648= Received: from MN2PR16CA0061.namprd16.prod.outlook.com (2603:10b6:208:234::30) by SJ2PR10MB7013.namprd10.prod.outlook.com (2603:10b6:a03:4c6::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.48.16; Thu, 21 May 2026 02:06:36 +0000 Received: from BL6PEPF00022573.namprd02.prod.outlook.com (2603:10b6:208:234:cafe::7c) by MN2PR16CA0061.outlook.office365.com (2603:10b6:208:234::30) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.21.48.16 via Frontend Transport; Thu, 21 May 2026 02:06:36 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 198.47.23.194) smtp.mailfrom=ti.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=ti.com; Received-SPF: Pass (protection.outlook.com: domain of ti.com designates 198.47.23.194 as permitted sender) receiver=protection.outlook.com; client-ip=198.47.23.194; helo=lewvzet200.ext.ti.com; pr=C Received: from lewvzet200.ext.ti.com (198.47.23.194) by BL6PEPF00022573.mail.protection.outlook.com (10.167.249.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.48.11 via Frontend Transport; Thu, 21 May 2026 02:06:36 +0000 Received: from DLEE215.ent.ti.com (157.170.170.118) by lewvzet200.ext.ti.com (10.4.14.103) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.37; Wed, 20 May 2026 21:06:35 -0500 Received: from DLEE203.ent.ti.com (157.170.170.78) by DLEE215.ent.ti.com (157.170.170.118) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.37; Wed, 20 May 2026 21:06:35 -0500 Received: from lelvem-mr06.itg.ti.com (10.180.75.8) by DLEE203.ent.ti.com (157.170.170.78) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.37 via Frontend Transport; Wed, 20 May 2026 21:06:35 -0500 Received: from a0512632.dhcp.ti.com (a0512632.dhcp.ti.com [172.24.233.20]) by lelvem-mr06.itg.ti.com (8.18.1/8.18.1) with ESMTP id 64L26UOE2630310; Wed, 20 May 2026 21:06:31 -0500 From: Swamil Jain To: , , , , , , CC: , , , , , , Subject: [PATCH v2] arm64: dts: ti: Add LincolnTech OLDI LCD-185 Overlay for AM625-BeaglePlay Date: Thu, 21 May 2026 07:36:30 +0530 Message-ID: <20260521020630.816220-1-s-jain1@ti.com> X-Mailer: git-send-email 2.34.1 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 X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF00022573:EE_|SJ2PR10MB7013:EE_ X-MS-Office365-Filtering-Correlation-Id: 38ab1d09-c0b3-4458-f2f6-08deb6dd968b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|82310400026|36860700016|1800799024|3023799007|18002099003|56012099003|13003099007|6133799003; X-Microsoft-Antispam-Message-Info: uo2dqegCUelzlMFrGWrjpSDDjx3lvyN5vMeNzmoGj7QXky41geO2LfF06TaZzBo0wIqOxo1ZALrcUkuZVigCYX8J0veA+SV7k/W/8tV2gXAbX5N2DWiBnesetBTevuRF8qZdDy3EnsJDt4NZxxRfuSD7Brpqu6OsLOfXgC3jMSKFqCff139jmPtP07vXr/TYQqC2mMkfpwjVIhTfR9AzTv1zBfoxomppl/Pew1LSqPWSv+JDqCxP5/B1XHWyJh6Zsci6LUXLuiic2umi0AG4CHzEA5hCoeA7FfAIdRutDWAF7iewnexwR3ukdL+tsq34Wqx4vpYQWCPNBxVL4Lm3MA6x8QqTpcYVoM6LquUNF2MP1jZB08jwnyhlh9cHIA5SQMa4voB8lFLbAGNawVnjQdHKNE8XW4hQtpe0toM1B4wCoAtFmB2MLo0ut0tNWoAlcEzMPHLdZ+l8hbWXrx/gcYrd4qS4jh+4bO9IPaqTdHg1PNVBXU1pdT4yCT5V9L9Q6Nmt3kRLkFuCUsKThRxb0ghfFxCPIscD5yh/S1WAl7BzsHQGJGw+cLEKvLVqp0CV26DAjykLh6jn0c9A8PSbSYYVVVGRTzAB8FTirh8vHQKt27nIM+labIkCmCfSTm60MKBOSEn7KZX7BqstN/hhHa90qz7jnPDJhdz8XDJG6MY= X-Forefront-Antispam-Report: CIP:198.47.23.194;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:lewvzet200.ext.ti.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(376014)(82310400026)(36860700016)(1800799024)(3023799007)(18002099003)(56012099003)(13003099007)(6133799003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: KUUgXEfmWIg+dWub6eycSyGyMXI4B82PcZQdpdIMOpxblNFICepVYsj1ogKwsW95uAX2HBDTE87eFI3RxApeHLlHWu6CLKlJA15gl6By2sfGkg8XRgxiVqLQ42va2M4ud++e2oFigMTRhHvL0jjEUyiUyqeNiwqGp8Uzhmobwy7oQwpw4hoiIXBSjQYEJQGDb5Gi+bkleOODVRwYSLK4GKuHjN70Abr4/tmybcF8OHqaj4ike5U+g2yapuPmTJBxvjLH4/QrCpJLN+DOTjw0xaB6FdOPHtVMQHY6eZwR0i5C7D52hVgiBbWdgetCIMPnv3SB+L30l3ZpD4ng5rWzD4eGAqNt1p8LmPJLbbXTO41t6gPkPcIHtq3srS+JIKF2lSQ9/RfgF/k3tJncE0ycr0Ep81z7QVwo3r3SzjnmKDCNpsNPLP7FxSMeNcXC0scr X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 May 2026 02:06:36.1793 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 38ab1d09-c0b3-4458-f2f6-08deb6dd968b X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.23.194];Helo=[lewvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: BL6PEPF00022573.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR10MB7013 Content-Type: text/plain; charset="utf-8" From: Aradhya Bhatia The panel is Lincoln Technology Solutions LCD185-101CT[0]. It is a Dual-Link LVDS panel and supports WUXGA resolution (1920x1200). Furthermore, it has an i2c based touch controller: Goodix-GT928. Add DT overlay for the OLDI panel to connect with BeaglePlay platform. [0]: https://lincolntechsolutions.com/wp-content/uploads/2024/09/LCD185-101= CTL1ARNTT_DS_R1.3.pdf Signed-off-by: Aradhya Bhatia Signed-off-by: Swamil Jain --- Changelog: v1->v2: Move overlay-specific pinmux configurations from base device tree to k3-am625-beagleplay-lincolntech-lcd185-panel.dtso file. link to v1: https://lore.kernel.org/all/20260514225502.2327771-1-s-jain1@ti= .com/ --- arch/arm64/boot/dts/ti/Makefile | 4 + ...5-beagleplay-lincolntech-lcd185-panel.dtso | 165 ++++++++++++++++++ 2 files changed, 169 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-am625-beagleplay-lincolntech-= lcd185-panel.dtso diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makef= ile index 7642c06ca834..f0436a102fce 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -12,6 +12,7 @@ dtb-$(CONFIG_ARCH_K3) +=3D k3-am625-beagleplay.dtb dtb-$(CONFIG_ARCH_K3) +=3D k3-am625-beagleplay-csi2-ov5640.dtbo dtb-$(CONFIG_ARCH_K3) +=3D k3-am625-beagleplay-csi2-tevi-ov5640.dtbo +dtb-$(CONFIG_ARCH_K3) +=3D k3-am625-beagleplay-lincolntech-lcd185-panel.dt= bo dtb-$(CONFIG_ARCH_K3) +=3D k3-am625-phyboard-lyra-rdk.dtb dtb-$(CONFIG_ARCH_K3) +=3D k3-am625-sk.dtb dtb-$(CONFIG_ARCH_K3) +=3D k3-am625-tqma62xx-mba62xx.dtb @@ -177,6 +178,8 @@ k3-am625-beagleplay-csi2-ov5640-dtbs :=3D k3-am625-beag= leplay.dtb \ k3-am625-beagleplay-csi2-ov5640.dtbo k3-am625-beagleplay-csi2-tevi-ov5640-dtbs :=3D k3-am625-beagleplay.dtb \ k3-am625-beagleplay-csi2-tevi-ov5640.dtbo +k3-am625-beagleplay-lincolntech-lcd185-panel-dtbs :=3D k3-am625-beagleplay= .dtb \ + k3-am625-beagleplay-lincolntech-lcd185-panel.dtbo k3-am625-phyboard-lyra-disable-eth-phy-dtbs :=3D k3-am625-phyboard-lyra-rd= k.dtb \ k3-am6xx-phycore-disable-eth-phy.dtbo k3-am625-phyboard-lyra-disable-rtc-dtbs :=3D k3-am625-phyboard-lyra-rdk.dt= b \ @@ -287,6 +290,7 @@ k3-j784s4-evm-usxgmii-exp1-exp2-dtbs :=3D k3-j784s4-evm= .dtb \ k3-j784s4-evm-usxgmii-exp1-exp2.dtbo dtb- +=3D k3-am625-beagleplay-csi2-ov5640.dtb \ k3-am625-beagleplay-csi2-tevi-ov5640.dtb \ + k3-am625-beagleplay-lincolntech-lcd185-panel.dtb \ k3-am625-phyboard-lyra-disable-eth-phy.dtb \ k3-am625-phyboard-lyra-disable-rtc.dtb \ k3-am625-phyboard-lyra-disable-spi-nor.dtb \ diff --git a/arch/arm64/boot/dts/ti/k3-am625-beagleplay-lincolntech-lcd185-= panel.dtso b/arch/arm64/boot/dts/ti/k3-am625-beagleplay-lincolntech-lcd185-= panel.dtso new file mode 100644 index 000000000000..e7cadd48d439 --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am625-beagleplay-lincolntech-lcd185-panel.d= tso @@ -0,0 +1,165 @@ +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT +/** + * Lincoln tech Solutions OLDI panel (LCD185-101CT) and touch DT overlay f= or AM625-BeaglePlay + * + * AM625-BeaglePlay: https://www.beagleboard.org/boards/beagleplay + * Panel datasheet: https://lincolntechsolutions.com/wp-content/uploads/20= 24/09/LCD185-101CTL1ARNTT_DS_R1.3.pdf + * + * Copyright (C) 2026 Texas Instruments Incorporated - http://www.ti.com/ + */ + +/dts-v1/; +/plugin/; + +#include +#include +#include "k3-pinctrl.h" + +&{/} { + backlight: backlight { + compatible =3D "pwm-backlight"; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&backlight_pins_default>; + brightness-levels =3D <0 4 8 16 32 64 128 255>; + default-brightness-level =3D <6>; + enable-gpios =3D <&main_gpio0 0 GPIO_ACTIVE_HIGH>; + pwms =3D <&epwm0 1 20000 0>; + }; + + lcd { + compatible =3D "lincolntech,lcd185-101ct"; + backlight =3D <&backlight>; + /* + * Note that the OLDI TX 0 transmits the odd set of pixels + * while the OLDI TX 1 transmits the even set. This is a + * fixed configuration in the IP integration and is not + * changeable. The properties, "dual-lvds-odd-pixels" and + * "dual-lvds-even-pixels" have been used to merely + * identify if a Dual Link configuration is required. + * Swapping them will cause an error in the dss oldi driver. + */ + power-supply =3D <&vsys_5v0>; + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + dual-lvds-odd-pixels; + lcd_in0: endpoint { + remote-endpoint =3D <&oldi_0_out>; + }; + }; + port@1 { + reg =3D <1>; + dual-lvds-even-pixels; + lcd_in1: endpoint { + remote-endpoint =3D <&oldi_1_out>; + }; + }; + }; + }; +}; + +&main_pmx0 { + touchscreen_pins_default: touchscreen-default-pins { + pinctrl-single,pins =3D < + AM62X_IOPAD(0x01b4, PIN_OUTPUT, 7) /* (A13) SPI0_CS0.GPIO1_15 */ + AM62X_IOPAD(0x00a0, PIN_INPUT, 7) /* (K25) GPMC0_WPn.GPIO0_39 */ + >; + }; + + backlight_pins_default: bl-default-pins { + pinctrl-single,pins =3D < + AM62X_IOPAD(0x0000, PIN_OUTPUT, 7) /* (H24) OSPI0_CLK.GPIO0_0 */ + AM62X_IOPAD(0x01b8, PIN_OUTPUT, 2) /* (C13) SPI0_CS1.EHRPWM0_B */ + >; + }; +}; + +&dss { + status =3D "okay"; +}; + +&oldi0 { + status =3D "okay"; + ti,companion-oldi =3D <&oldi1>; +}; + +&oldi1 { + status =3D "okay"; + ti,secondary-oldi; + ti,companion-oldi =3D <&oldi0>; +}; + +&oldi0_port0 { + oldi_0_in: endpoint { + remote-endpoint =3D <&dpi0_out0>; + }; +}; + +&oldi0_port1 { + oldi_0_out: endpoint { + remote-endpoint =3D <&lcd_in0>; + }; +}; + +&oldi1_port0 { + oldi_1_in: endpoint { + remote-endpoint =3D <&dpi0_out1>; + }; +}; + +&oldi1_port1 { + oldi_1_out: endpoint { + remote-endpoint =3D <&lcd_in1>; + }; +}; + +&dss_ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + /* VP1: Output to OLDI */ + port@0 { + reg =3D <0>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + dpi0_out0: endpoint@0 { + reg =3D <0>; + remote-endpoint =3D <&oldi_0_in>; + }; + dpi0_out1: endpoint@1 { + reg =3D <1>; + remote-endpoint =3D <&oldi_1_in>; + }; + }; +}; + +&main_i2c2 { + #address-cells =3D <1>; + #size-cells =3D <0>; + + eeprom@57 { + compatible =3D "atmel,24c256"; + reg =3D <0x57>; + }; + + touchscreen@5d { + compatible =3D "goodix,gt928"; + reg =3D <0x5d>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&touchscreen_pins_default>; + interrupt-parent =3D <&main_gpio0>; + interrupts =3D <39 IRQ_TYPE_EDGE_FALLING>; + irq-gpios =3D <&main_gpio0 39 GPIO_ACTIVE_HIGH>; + reset-gpios =3D <&main_gpio1 15 GPIO_ACTIVE_HIGH>; + touchscreen-size-x =3D <1920>; + touchscreen-size-y =3D <1200>; + }; +}; + +&epwm0 { + status =3D "okay"; +};