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Thu, 22 Oct 2026 21:20:56 +0000 Date: Thu, 22 Oct 2026 17:20:48 -0400 From: Frank Li To: Ernest Van Hoecke Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Kieran Bingham , Francesco Dolcini , Dave Stevenson , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Ernest Van Hoecke Subject: Re: [PATCH v3 4/4] arm64: dts: freescale: imx8mp-verdin: Add mezzanine OV5640 overlays Message-ID: References: <20261022-verdin-imx8mp-hmp-camera-ready-v3-0-90a30b0b0d55@toradex.com> <20261022-verdin-imx8mp-hmp-camera-ready-v3-4-90a30b0b0d55@toradex.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261022-verdin-imx8mp-hmp-camera-ready-v3-4-90a30b0b0d55@toradex.com> X-ClientProxiedBy: PH7P220CA0075.NAMP220.PROD.OUTLOOK.COM (2603:10b6:510:32c::11) To MI3PR04MB12438.eurprd04.prod.outlook.com (2603:10a6:290:76::14) X-Archived-By: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MI3PR04MB12438:EE_|PA4PR04MB7709:EE_ X-MS-Office365-Filtering-Correlation-Id: e2b0edba-90e7-4001-5756-08df30825c3b X-LD-Processed: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|19092799006|366016|23010399003|7416014|376014|1800799024|6133799003|18002099003|22082099003|11063799006|4143699003|261009223027099003|261021121427099003|10067099003|261022105027099003|56012099006|261022075727099003; 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Add overlays for using a Toradex OV5640 camera > on this interface. > > The mezzanine can route the camera control signals through two jumper > configurations. Describe each configuration as a GPIO nexus mapping so the > camera description remains independent of the physical routing. > > The default positions share the native CSI_1 GPIOs and are intended for a > single camera. The alternate positions permit simultaneous native and > mezzanine cameras, but conflict with the Atmel MXT touchscreen GPIO. > > The current camera set uses a 27 MHz on-board oscillator. The legacy camera > module uses 24 MHz, so provide variants for both. > > Link: https://developer.toradex.com/hardware/verdin-som-family/add-ons/verdin-imx8m-plus-mezzanine/ > Link: https://developer.toradex.com/hardware/accessories/cameras/csi-camera-module-5mp-ov5640-arducam > Link: https://developer.toradex.com/hardware/legacy-products/other/csi-camera-module-5mp-ov5640/ > Signed-off-by: Ernest Van Hoecke > --- > arch/arm64/boot/dts/freescale/Makefile | 19 ++++++ > ...-verdin-mezzanine-ov5640-24mhz-alt-jumpers.dtso | 19 ++++++ > ...din-mezzanine-ov5640-24mhz-default-jumpers.dtso | 18 +++++ > ...imx8mp-verdin-mezzanine-ov5640-alt-jumpers.dtso | 38 +++++++++++ > ...mp-verdin-mezzanine-ov5640-default-jumpers.dtso | 42 ++++++++++++ > .../freescale/imx8mp-verdin-mezzanine-ov5640.dtsi | 78 ++++++++++++++++++++++ why not share with imx8m-verdin-ov5640.dtsi, which is almost the same. Frank