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Thu, 1 Oct 2026 18:46:07 +0000 Date: Thu, 1 Oct 2026 13:45:57 -0500 From: Frank Li To: Francesco Dolcini Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Francesco Dolcini , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v1 4/7] ARM: dts: imx6ull-colibri-emmc: Add Toradex Capacitive Touch Display 7" Parallel Message-ID: References: <20261001174924.3831455-1-francesco@dolcini.it> <20261001174924.3831455-5-francesco@dolcini.it> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261001174924.3831455-5-francesco@dolcini.it> X-ClientProxiedBy: CY5PR14CA0005.namprd14.prod.outlook.com (2603:10b6:930:2::14) To GV2PR04MB11799.eurprd04.prod.outlook.com (2603:10a6:150:2cf::9) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: GV2PR04MB11799:EE_|MI9PR04MB750000:EE_ X-MS-Office365-Filtering-Correlation-Id: abcc1cad-afe5-4c54-435f-08df1fec40e8 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|1800799024|19092799006|7416014|366016|376014|23010399003|10067099003|56012099006|4143699003|11063799006|6133799003|18002099003|22082099003|13003099007; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?DWR8nCzEPUn7aHn4mkIm70+u5MPsjYvCfuedU8jGRgIk8E18J16brvCKdZHX?= =?us-ascii?Q?0wcpq5d36497jW2bA39IDU0YtR4cHoy9C+ISGXDVbKclNmX/SodBEcTOgZzS?= =?us-ascii?Q?eMaJvuRptZshI42/Q3qk7EfebldN/u1QXE+OlFua778JplGF6z2vy/NpUa2b?= =?us-ascii?Q?dZ4Y8rYxcGW7ZtGLKHOojVHbjPVAwCp7bv/wJaoQov65fN/tjrj+0Nyh8PAD?= =?us-ascii?Q?fNGQoey72RM02ttkqq98g/Qu0hVgdS+nxxeq+2Cd9prtk0xVyNp9gXUcxey1?= =?us-ascii?Q?465WMA/AAbdEh4luGpyl7czeI99XfwAzixONOSL4VtDW8Zy1+kAJRtyZaEGW?= =?us-ascii?Q?Ogk8q+c9hg1GuuKMv8aphVLOzY+FGWhiNwWSHn9raiSxIXwai8EDUApm7BEV?= =?us-ascii?Q?yV/8tAYN17pt95i43zKHh4QsZLJ32fHGKYIVPfYn10qdmtNq48lGXjUp7VXf?= =?us-ascii?Q?5/k71qN0uCBkNdMVRRa0emX5EYM882l1SQOe5B0IqUeKb7fW8vum73D8FTTC?= =?us-ascii?Q?NLKfb/ZsUqyno8S6eRSHv3tji/AZdkEVHdqMc2AyZ5x+9m+dDwyP3PAXINg/?= =?us-ascii?Q?cvit7ollw3RYLwRdzSQh12CcHFgLDSQTkgrJz5EiHVd7tHC0KHnhez95WMBv?= =?us-ascii?Q?ylVIUSrdVQl3qiCnINkxHpXw7KFImzEcDO0qf/MrrHwfHWN3fY/62uzenqHK?= =?us-ascii?Q?/0PRPtmJD4fHo7YCBGSUSYuhge7SzwDp7uFCPoomlkOxrdLCDTtmqh9voXFO?= =?us-ascii?Q?LDWP6H29HhESGn/2cTxfAwLKq/ovyk/ebYLOlC3VLriPixxG8LInG45X3erw?= =?us-ascii?Q?Xc7WZmhXpriIdhXT2S83nr0/Moz3W+k3+4fBpXtx2mPKfh9ZD4tCE2/X7vvm?= =?us-ascii?Q?kZOInPYLcegla4JBkAlozkpTX5yUkKz7W8zCoqvNvX6bS3MsLShMPsFvCeoJ?= =?us-ascii?Q?xn1zTBl8yPaHEePshM9AvL1Ud/hSggJ8BleXZN2Ww+UxGl/s4BIH2NT1EbPZ?= =?us-ascii?Q?zCX4H0giM2uCOZLCOAm6Bjzu3xZgz4CCpuXJ8al9A26S9dAHAsSWKnLoq4g6?= =?us-ascii?Q?SRX7BTd7RtL0NWjmrj97/j3Oydqvi2DmTiWMlBIo1OxYXrHAd9laMv6P5/Xk?= =?us-ascii?Q?VaxcoOk58H7T7yo2capfWQsHsOrqmkGF6Gt+XxoDGrQCYhOP2G1OVwejZEmE?= =?us-ascii?Q?dGJS2gUxbMRs5r39JimEAnid5D3yUZWx/uHn0tMRkTiS/cjBerhih1XZRRnT?= =?us-ascii?Q?wDxcHGiyWVzqaGUvX5WkFLBVjkvmgfjESNPZRX1979QrDpIiSm2Ri9DutZ2W?= =?us-ascii?Q?/N1nl2jR0U68XIxFNhfwCGry4HpAFeyzGSu0JCCj0wemrJB7EFp+TbsghgCA?= =?us-ascii?Q?gujIi7k2N/rI3TEmvjlmgE2CUItvWAg4QkX4FpSCsPV/NrE8cjXX1WIt2hhx?= =?us-ascii?Q?eGCrmSfwTMRK/Mz5lFB4zAmZdWINURN6pHZoP3yg249je8tu/Bhu7u7CcDJO?= =?us-ascii?Q?/nHmMP2BU/ug4RNiwmmnbAXYm+emv86iUwbFbmuqdgJ3MCRkf2hdETecDTO5?= =?us-ascii?Q?MpuWZa6mvu4+Xm3qrfpUF0S9wxZBxC71WdWBzXmbjbdo61/IfuOirfbugGwl?= =?us-ascii?Q?mNXresDMg1I/hVRVaMKFYHqTP63GcFd4mDbOHXkmx5UkWyb27Mnmgrn5htw9?= =?us-ascii?Q?5BMqU3AgrdAYFbczZF3K5RlMqsKl7HfxiPpDdGiXE3UO4mBBOj3reoNEkkP7?= =?us-ascii?Q?JZ7liet2gmIqeVIW069Ke3Wv3HcHqENZqecQCyJapX07rFRdyhT0?= X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: abcc1cad-afe5-4c54-435f-08df1fec40e8 X-MS-Exchange-CrossTenant-AuthSource: GV2PR04MB11799.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Oct 2026 18:46:07.5293 (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: 5qYOP546u0UnHGsFhN2bY1/mTxJsW5Qlcg4XrM9IFt/Cq5hsn3FrQq6ts1gvwS6LFcokEW0X1Hf9cmVHfkRDM8W/mlEoaqZJx/ATLUXCOAbo7yjAT/syHpxnWAs6sjdV X-MS-Exchange-Transport-CrossTenantHeadersStamped: MI9PR04MB750000 On Thu, Oct 01, 2026 at 07:49:13PM +0200, Francesco Dolcini wrote: > From: Francesco Dolcini > > Add a device tree overlay for the Capacitive Touch Display 7" Parallel > on the Colibri iMX6ULL eMMC parallel RGB LCD interface. > > The panel is a LogicTechno LT161010-2NHC 7" WVGA TFT Transmissive LCD > and the touch input is provided by an Atmel MaxTouch capacitive touch > controller. > > The touch controller is connected to the Toradex 10-way Capacitive Touch > Interface connector available on Iris v2 and Aster carrier boards. > > The panel, backlight and LCDIF configuration is identical to the Colibri > iMX7 eMMC one, only the Atmel MaxTouch controller wiring is SoC > specific. To avoid duplicating it, rework the Colibri iMX7 eMMC overlay > moving the common part to a new dtsi shared between the two modules, > and include it from both overlays. > > The overlay is also combined with the Iris v2 and Aster carrier board > device tree to provide a ready-to-use DTB. > > Link: https://developer.toradex.com/hardware/accessories/displays/capacitive-touch-display-7inch-parallel/ > Signed-off-by: Francesco Dolcini > --- > arch/arm/boot/dts/nxp/imx/Makefile | 12 +++++++ > ...i-emmc-panel-cap-touch-7inch-parallel.dtso | 31 +++++++++++++++++++ > ...olibri-panel-cap-touch-7inch-parallel.dtsi | 29 +++++++++++++++++ > ...i-emmc-panel-cap-touch-7inch-parallel.dtso | 16 ++-------- > 4 files changed, 74 insertions(+), 14 deletions(-) > create mode 100644 arch/arm/boot/dts/nxp/imx/imx6ull-colibri-emmc-panel-cap-touch-7inch-parallel.dtso > create mode 100644 arch/arm/boot/dts/nxp/imx/imx6ull-imx7-colibri-panel-cap-touch-7inch-parallel.dtsi > > diff --git a/arch/arm/boot/dts/nxp/imx/Makefile b/arch/arm/boot/dts/nxp/imx/Makefile > index 0aece8cc9fe4..eee3f4e8e7c0 100644 > --- a/arch/arm/boot/dts/nxp/imx/Makefile > +++ b/arch/arm/boot/dts/nxp/imx/Makefile > @@ -352,6 +352,15 @@ dtb-$(CONFIG_SOC_IMX6SX) += \ > imx6sx-udoo-neo-basic.dtb \ > imx6sx-udoo-neo-extended.dtb \ > imx6sx-udoo-neo-full.dtb > + > +imx6ull-colibri-emmc-aster-panel-cap-touch-7inch-parallel-dtbs := \ > + imx6ull-colibri-emmc-aster.dtb \ > + imx6ull-colibri-emmc-panel-cap-touch-7inch-parallel.dtbo > + > +imx6ull-colibri-emmc-iris-v2-panel-cap-touch-7inch-parallel-dtbs := \ > + imx6ull-colibri-emmc-iris-v2.dtb \ > + imx6ull-colibri-emmc-panel-cap-touch-7inch-parallel.dtbo > + > dtb-$(CONFIG_SOC_IMX6UL) += \ > imx6ul-14x14-evk.dtb \ > imx6ul-ccimx6ulsbcexpress.dtb \ > @@ -380,9 +389,12 @@ dtb-$(CONFIG_SOC_IMX6UL) += \ > imx6ull-14x14-evk.dtb \ > imx6ull-colibri-aster.dtb \ > imx6ull-colibri-emmc-aster.dtb \ > + imx6ull-colibri-emmc-aster-panel-cap-touch-7inch-parallel.dtb \ > imx6ull-colibri-emmc-eval-v3.dtb \ > imx6ull-colibri-emmc-iris.dtb \ > imx6ull-colibri-emmc-iris-v2.dtb \ > + imx6ull-colibri-emmc-iris-v2-panel-cap-touch-7inch-parallel.dtb \ > + imx6ull-colibri-emmc-panel-cap-touch-7inch-parallel.dtbo \ > imx6ull-colibri-eval-v3.dtb \ > imx6ull-colibri-iris.dtb \ > imx6ull-colibri-iris-v2.dtb \ > diff --git a/arch/arm/boot/dts/nxp/imx/imx6ull-colibri-emmc-panel-cap-touch-7inch-parallel.dtso b/arch/arm/boot/dts/nxp/imx/imx6ull-colibri-emmc-panel-cap-touch-7inch-parallel.dtso > new file mode 100644 > index 000000000000..2edf680b1884 > --- /dev/null > +++ b/arch/arm/boot/dts/nxp/imx/imx6ull-colibri-emmc-panel-cap-touch-7inch-parallel.dtso > @@ -0,0 +1,31 @@ > +// SPDX-License-Identifier: GPL-2.0-only OR MIT > +/* > + * Copyright (c) Toradex > + * > + * Toradex Capacitive Touch Display 7" Parallel connected through the 40-way > + * Unified Interface Display and 10-way Capacitive Touch Interface connectors > + * (as featured on Iris v2 and Aster v1.1 carrier boards). > + * > + * https://docs.toradex.com/104497-7-inch-parallel-capacitive-touch-display-800x480-datasheet.pdf > + * https://developer.toradex.com/hardware/accessories/displays/capacitive-touch-display-7inch-parallel/ > + * https://www.toradex.com/accessories/capacitive-touch-display-7-inch-parallel > + */ > + > +/dts-v1/; > +/plugin/; > + > +#include > +#include > + > +#include "imx6ull-imx7-colibri-panel-cap-touch-7inch-parallel.dtsi" > + > +&atmel_mxt_ts { > + pinctrl-0 = <&pinctrl_atmel_conn &pinctrl_atmel_snvs_conn>; > + /* SODIMM 107 / TOUCH_INT# */ > + interrupt-parent = <&gpio5>; > + interrupts = <4 IRQ_TYPE_EDGE_FALLING>; > + /* SODIMM 106 / TOUCH_RST# */ > + reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>; > + > + status = "okay"; > +}; > diff --git a/arch/arm/boot/dts/nxp/imx/imx6ull-imx7-colibri-panel-cap-touch-7inch-parallel.dtsi b/arch/arm/boot/dts/nxp/imx/imx6ull-imx7-colibri-panel-cap-touch-7inch-parallel.dtsi > new file mode 100644 > index 000000000000..21688c63d11f > --- /dev/null > +++ b/arch/arm/boot/dts/nxp/imx/imx6ull-imx7-colibri-panel-cap-touch-7inch-parallel.dtsi File name include lt161010, incase there are more panel. Frank > @@ -0,0 +1,29 @@ > +// SPDX-License-Identifier: GPL-2.0-only OR MIT > +/* > + * Copyright (c) Toradex > + * > + * Panel, backlight and LCDIF part of the Toradex Capacitive Touch Display 7" > + * Parallel overlays, connected through the 40-way Unified Interface Display > + * connector, shared by the Colibri iMX6ULL eMMC and Colibri iMX7 eMMC overlays. > + * > + * The Atmel MaxTouch controller wiring is SoC specific and is described by > + * the overlay including this file. > + * > + * https://docs.toradex.com/104497-7-inch-parallel-capacitive-touch-display-800x480-datasheet.pdf > + * https://developer.toradex.com/hardware/accessories/displays/capacitive-touch-display-7inch-parallel/ > + * https://www.toradex.com/accessories/capacitive-touch-display-7-inch-parallel > + */ > + > +&backlight { > + status = "okay"; > +}; > + > +&lcdif { > + status = "okay"; > +}; > + > +&panel_dpi { > + compatible = "logictechno,lt161010-2nhc"; > + > + status = "okay"; > +}; > diff --git a/arch/arm/boot/dts/nxp/imx/imx7d-colibri-emmc-panel-cap-touch-7inch-parallel.dtso b/arch/arm/boot/dts/nxp/imx/imx7d-colibri-emmc-panel-cap-touch-7inch-parallel.dtso > index f336f7b05a2b..211acf11e438 100644 > --- a/arch/arm/boot/dts/nxp/imx/imx7d-colibri-emmc-panel-cap-touch-7inch-parallel.dtso > +++ b/arch/arm/boot/dts/nxp/imx/imx7d-colibri-emmc-panel-cap-touch-7inch-parallel.dtso > @@ -17,6 +17,8 @@ > #include > #include > > +#include "imx6ull-imx7-colibri-panel-cap-touch-7inch-parallel.dtsi" > + > &atmel_mxt_ts { > pinctrl-0 = <&pinctrl_atmel_connector>; > /* SODIMM 107 / TOUCH_INT# */ > @@ -27,17 +29,3 @@ &atmel_mxt_ts { > > status = "okay"; > }; > - > -&backlight { > - status = "okay"; > -}; > - > -&lcdif { > - status = "okay"; > -}; > - > -&panel_dpi { > - compatible = "logictechno,lt161010-2nhc"; > - > - status = "okay"; > -}; > -- > 2.47.3 > >