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dkim=none (message not signed) header.d=none;dmarc=fail action=quarantine header.from=phytec.de; Received-SPF: SoftFail (protection.outlook.com: domain of transitioning phytec.de discourages use of 91.26.50.189 as permitted sender) Received: from Postix.phytec.de (91.26.50.189) by AMS0EPF00000194.mail.protection.outlook.com (10.167.16.214) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9723.19 via Frontend Transport; Fri, 20 Mar 2026 21:24:08 +0000 Received: from lws-haller-privat.attlocal.net (172.25.39.212) by Postix.phytec.de (172.25.0.11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.35; Fri, 20 Mar 2026 22:24:06 +0100 From: Dominik Haller To: CC: , , , , "Dominik Haller" Subject: [PATCH v4 0/5] k3-am68-phyboard-izar dsi support Date: Fri, 20 Mar 2026 14:23:41 -0700 Message-ID: <20260320212349.420951-1-d.haller@phytec.de> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [172.25.39.212] X-ClientProxiedBy: Postix.phytec.de (172.25.0.11) To Postix.phytec.de (172.25.0.11) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AMS0EPF00000194:EE_|VI0P195MB3207:EE_ X-MS-Office365-Filtering-Correlation-Id: 991783db-1ca9-4eb6-42b7-08de86c70592 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|82310400026|36860700016|376014|13003099007|18002099003|56012099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: q5NDZ9kHszBb1cELQh5N7A4YwAM1zfoNCaVrT4myRwZn+KvePFqJQSJJVpuNFZLcntLFM3HOQQtBrKoJf3eiZDE0jNJDdjyWjnmnIEYhDCDGbkOgOLBF+NnGPPYsyVilZxje5mLJicf1rQcEBj7ljr6accIv9WrA07zST/SR+2kbDk2Bs79AzqOHMPDU1z/MDcUe4LYnn3x7oVvHvg45EfQEQc3uSDFRzzAA//R2Ep4gKBmDsuhJ66Qe+IETRoQoJq95V9dHhJOO6HTZTa6zMpaRc42DQyy7M5YCfXxdM2RQlrZDJ7gBagkECyo3S2rhuePe5eCPlUSw717AhnziOjXATU9Tww4KozwmapqYsQFE10Ccz1EhkrMwjH7xKEE6j7fFnrsi3rY8X9cYO8NyhNrta4KMCUjnPZPaQFxqFbEEn0fYzZPnLvVt1c2Urb6A X-OriginatorOrg: phytec.de X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Mar 2026 21:24:08.2836 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 991783db-1ca9-4eb6-42b7-08de86c70592 X-MS-Exchange-CrossTenant-Id: e609157c-80e2-446d-9be3-9c99c2399d29 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e609157c-80e2-446d-9be3-9c99c2399d29;Ip=[91.26.50.189];Helo=[Postix.phytec.de] X-MS-Exchange-CrossTenant-AuthSource: AMS0EPF00000194.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI0P195MB3207 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260320_142422_073838_C4C7FDE3 X-CRM114-Status: GOOD ( 10.58 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This series adds support for the two dsi based display interfaces of the phyboard-izar with the phycore-am68x/tda4x som. dsi0 gets converted to lvds on the som using a SN65DSI83 bridge in the default configuration. The phyboard-izar kit comes with a 10.1" lvds display with usb touch as addon. dsi1 is routed to the carrier board onto a connector. To use that Phytec has developed a small extension board "PEB-AV-15" with a Lontium LT8912B dsi->hdmi bridge. Changes for v2: - Drop the following patch as it got merged in the last window: dt-bindings: display: bridge: lt8912b: Drop reset gpio requirement - In arm64: dts: ti: k3-am68-phyboard-izar: Add LVDS-Display Reduce pwm frequency to ~23kHz for the backlight. This is supported by the backlight and works better with most fans. Since the fan connector is using PWM0_A and the backlight PWM0_B they need to use the same frequency. - In arm64: dts: ti: k3-am68-phyboard-izar: Add PEB-AV-15 overlay Fix license in boilerplate: s/GPL-2.0-or-only or MIT/GPL-2.0-only OR MIT Link to v1: https://lore.kernel.org/linux-devicetree/20260130205820.83189-1-d.haller@phytec.de/ Changes for v3: - In arm64: dts: ti: k3-j721s2-main: Add DSI1 Pick up Beleswar's Reviewed-by from v1 - In arm64: dts: ti: k3-am68-phyboard-izar: Add PEB-AV-15 overlay Fix the remaining style issues pointed out by Vignesh in v2 Link to v2: https://lore.kernel.org/linux-devicetree/20260306033151.276202-1-d.haller@phytec.de/ Changes for v4: - In arm64: dts: ti: k3-am68-phyboard-izar: Add PEB-AV-15 overlay In arm64: dts: ti: k3-am68-phyboard-izar: Add LVDS-Display Fix whitespaces Link to v3: https://lore.kernel.org/linux-devicetree/20260311234844.56443-1-d.haller@phytec.de/ Dominik Haller (5): arm64: dts: ti: k3-am68-phyboard-izar: Assign dss clocks arm64: dts: ti: k3-am68-phycore-som: Add DSI->LVDS bridge arm64: dts: ti: k3-am68-phyboard-izar: Add LVDS-Display arm64: dts: ti: k3-j721s2-main: Add DSI1 arm64: dts: ti: k3-am68-phyboard-izar: Add PEB-AV-15 overlay arch/arm64/boot/dts/ti/Makefile | 8 + ...-am68-phyboard-izar-lvds-ph128800t006.dtso | 125 ++++++++++++ .../ti/k3-am68-phyboard-izar-peb-av-15.dtso | 191 ++++++++++++++++++ .../boot/dts/ti/k3-am68-phyboard-izar.dts | 17 ++ .../boot/dts/ti/k3-am68-phycore-som.dtsi | 17 ++ arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 39 ++++ 6 files changed, 397 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-am68-phyboard-izar-lvds-ph128800t006.dtso create mode 100644 arch/arm64/boot/dts/ti/k3-am68-phyboard-izar-peb-av-15.dtso -- 2.43.0