From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f41.google.com (mail-wm1-f41.google.com [209.85.128.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DB129449EB6 for ; Fri, 22 May 2026 16:11:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.41 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779466306; cv=none; b=Vmck3BKukp40HLktyXoordlMyIQKU3C/jSrf6imaiSd97xk6FEE1XIPNpXZ4EzBwOm0KqcCTmYA8vq49EYScAYCntchz0woyMSL+54XEQFLE/7zV2fYCAPKA3XHEYG3nMiehmQ9EF4mYTOGqtXZHTu5RatWnOM0itdQgn/xaglk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779466306; c=relaxed/simple; bh=48kcuJ/i/8PepOHTSjMzjN6b2+s0XJ/67+SfBUSkqYE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=r+JbeTocQGxOG1RiryY9LJWxvUgI85DSeCkOvJikXO8NerEYllQX95akv1b1TalNv+bnl6CralSE5VheILkRKpaDtFSPI4+Nm/NHQqE6vwVHLMqCxiBHBKJt+nC+RE6ErxXbKp6Jg3oUnznZUBIcHYklY8uJ3ciYU7iBnwwQRlA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=FlHTaUVv; arc=none smtp.client-ip=209.85.128.41 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="FlHTaUVv" Received: by mail-wm1-f41.google.com with SMTP id 5b1f17b1804b1-4891b0786beso51626445e9.1 for ; Fri, 22 May 2026 09:11:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1779466303; x=1780071103; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=8Ik325qS+IlSAnQ/mwoET7pUu3OO4SnjA2/txbOoUzg=; b=FlHTaUVvkvzm75TpMb9ljgPTeNTE+R1p2Bpdwz4nQ/I+JMHOHycdBszRVmS38Vy+G/ HmymI1db5wAf+0WRZw6LsCwIu/Trxzjuda5FAJRG7RT+Cviy6el0ME3e7Zg11PFYzPP5 JIuy5xdDh42ivox1EtQeA3Zp5CTxg31XTJ9LLXpHGmgoGooWhajrrB7IR3P+zk2wy/wL zBH5JHWHA5hnHsXwdRAvBaWCFscT2WvMeKoIBoAp9Cck+7k4EWuWq3x3+ATwL4PpZcDA MZhEtV7yYHrTkqBjD/QYuLVo+SJtHnIhN6bC5ulU0JTHf2wvsMFAQKrBZ3zPnfUsg9Ra KP8A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1779466303; x=1780071103; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=8Ik325qS+IlSAnQ/mwoET7pUu3OO4SnjA2/txbOoUzg=; b=eX7w4mK5L20WjhfR/iUHL861mhbLN5JUKlb54FQhJ9zYncMs7elAJ+7BU8kN34+uJZ mGPvvKRVgMlrffmJ91BVhZP3mUUxWZqfXKwLwy6z87VASZyAlWs9ndi1FLN8n2EJvOa3 1S66qKwTlC1rQ0ZYN/8z3NwDsChho59JbRE+NpMsCif3c6H/cWALoAQb5MXbCgcTI7eD ydTh3V4FLFGeL2tC505+gvkWwh8wX5sRd1M1h6fID/P3Ju2yD3kIKdwkKoMpThDGGay7 KcFdANVDi9io/kh7BbzrsoHffn68oFmUZWT7feiQDjIZt080Yy2hjfhilp0TWWYIu6wi 4VQg== X-Forwarded-Encrypted: i=1; AFNElJ/FAa1F4/uDb+Uirb67Qp0d5KHw4b+K9UjL29sVzMWRgTKNDtX5XwNVBYN8TqvIZNs8N3PJsz3x2glI@vger.kernel.org X-Gm-Message-State: AOJu0YyU8MGKryGzNHGcrS2ixOuOXAtGAEUrgZGJMCThkqiGRUwipt8Q hRvFpHMyTMNi90b+y37w/TeQDV+3lN34eYxHrXrK1ZrIPirUEYcmuswd X-Gm-Gg: Acq92OH8A/xpoLPo2JpyNHN342dJ9Ixl+ml6oCFtpUi1hjFyGvpAjj0SDwXUSSoVOsu kupPyLQ9zFE0B+pbqTW9M2BUGVXTHPgyihBFJOpDFuB3RI1jTNHKoW28864R11qFvIdSfQsBWpt wbPfo9bcn/ySJNMFGoeDg/FQS/ZGgpzrPtakijSyxe1jlFgktbZPnoYXbHSJW3eUtBZLdj/VtPJ x12z1tHeTdxHOR7Qt3KluKz2wa1gSBHStuu1/yeeplcN/STvbhMLT+FBm/Y5PEne2yP60HxulXQ tdqe8/U8BiVuLSKMy0wRvDZoWiUVgvqwUPuypVDFByyTlpg3PxRfzDOD3LrNhduJgsy9ybrNaWD UsiiSWy9ZoDbO5rQg6VmtAIvMDVfC0F1xroWsZBK5qm1p0hi2A1ep8VwX1zLZzewzhyTtyGgL/V XfkqmmwKnBoBou1U7ZxAfVz4eDFHmReVhT2oVJTKRPfQ== X-Received: by 2002:a05:600c:3587:b0:48f:e230:2a20 with SMTP id 5b1f17b1804b1-490428eb9eemr61826885e9.31.1779466303106; Fri, 22 May 2026 09:11:43 -0700 (PDT) Received: from vitor-nb (dsl-113-208.bl27.telepac.pt. [176.79.113.208]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-490454a0b9asm51042755e9.11.2026.05.22.09.11.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 May 2026 09:11:42 -0700 (PDT) From: Vitor Soares To: Laurent Pinchart , Neil Armstrong , Jessica Zhang , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Lad Prabhakar , Thierry Reding Cc: Vitor Soares , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 02/11] arm64: dts: ti: k3-am62-verdin: Add Toradex Capacitive Touch Display 10.1" LVDS Date: Fri, 22 May 2026 17:11:06 +0100 Message-ID: <20260522161105.277519-15-ivitro@gmail.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260522161105.277519-13-ivitro@gmail.com> References: <20260522161105.277519-13-ivitro@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Vitor Soares Add a device tree overlay for the Toradex Capacitive Touch Display 10.1" LVDS connected via Verdin AM62 OLDI on carrier boards exposing LVDS interface (e.g., Mallow). The panel is a LogicTechno LT170410-2WHC 10.1" WXGA IPS LCD and the touch input is provided by an Atmel MaxTouch capacitive touch controller. Link: https://developer.toradex.com/hardware/accessories/displays/capacitive-touch-display-101inch-lvds Assisted-by: Claude:claude-sonnet-4.6 Signed-off-by: Vitor Soares --- Changes in v3: - Add missing regulator-name property on fixed regulators - Simplify regulator labels - Rename touch@ nodes to touchscreen@ Changes in v2: - Use panel-simple compatible form arch/arm64/boot/dts/ti/Makefile | 5 + ...25-verdin-panel-cap-touch-10inch-lvds.dtso | 120 ++++++++++++++++++ 2 files changed, 125 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-am625-verdin-panel-cap-touch-10inch-lvds.dtso diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index b2408f62c139..867c05b675d1 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -33,6 +33,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-nonwifi-ivy.dtb dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-nonwifi-mallow.dtb dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-nonwifi-yavia.dtb dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-nonwifi-zinnia.dtb +dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-panel-cap-touch-10inch-lvds.dtbo dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-wifi-dahlia-dsi-to-hdmi.dtb dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-wifi-dahlia.dtb dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-wifi-dev-dsi-to-hdmi.dtb @@ -213,6 +214,9 @@ k3-am625-sk-hdmi-audio-dtbs := k3-am625-sk.dtb k3-am62x-sk-hdmi-audio.dtbo k3-am625-verdin-wifi-dev-dsi-to-lvds-panel-cap-touch-10inch-dtbs := \ k3-am625-verdin-wifi-dev.dtb \ k3-am625-verdin-dsi-to-lvds-panel-cap-touch-10inch.dtbo +k3-am625-verdin-wifi-mallow-panel-cap-touch-10inch-lvds-dtbs := \ + k3-am625-verdin-wifi-mallow.dtb \ + k3-am625-verdin-panel-cap-touch-10inch-lvds.dtbo k3-am62-lp-sk-hdmi-audio-dtbs := k3-am62-lp-sk.dtb k3-am62x-sk-hdmi-audio.dtbo k3-am62-lp-sk-nand-dtbs := k3-am62-lp-sk.dtb k3-am62-lp-sk-nand.dtbo k3-am62a7-phyboard-lyra-disable-eth-phy-dtbs := k3-am62a7-phyboard-lyra-rdk.dtb \ @@ -315,6 +319,7 @@ dtb- += k3-am625-beagleplay-csi2-ov5640.dtb \ k3-am625-sk-csi2-tevi-ov5640.dtb \ k3-am625-sk-hdmi-audio.dtb \ k3-am625-verdin-wifi-dev-dsi-to-lvds-panel-cap-touch-10inch.dtb \ + k3-am625-verdin-wifi-mallow-panel-cap-touch-10inch-lvds.dtb \ k3-am62-lp-sk-hdmi-audio.dtb \ k3-am62-lp-sk-nand.dtb \ k3-am62a7-phyboard-lyra-disable-eth-phy.dtb \ diff --git a/arch/arm64/boot/dts/ti/k3-am625-verdin-panel-cap-touch-10inch-lvds.dtso b/arch/arm64/boot/dts/ti/k3-am625-verdin-panel-cap-touch-10inch-lvds.dtso new file mode 100644 index 000000000000..f83366b11bdb --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am625-verdin-panel-cap-touch-10inch-lvds.dtso @@ -0,0 +1,120 @@ +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT +/* + * Copyright (c) Toradex + * + * Toradex Capacitive Touch Display 10.1" connected via Verdin AM62 OLDI + * on carrier boards with a Toradex standard LVDS display connector + * (e.g., Mallow). + * + * https://developer.toradex.com/hardware/accessories/displays/capacitive-touch-display-101inch-lvds + * https://www.toradex.com/accessories/capacitive-touch-display-10.1-inch-lvds + */ + +/dts-v1/; +/plugin/; + +#include +#include +#include +#include "k3-pinctrl.h" + +&{/} { + backlight_pwm2: backlight-pwm2 { + compatible = "pwm-backlight"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2s_2_d_out_gpio>; + brightness-levels = <0 45 63 88 119 158 203 255>; + default-brightness-level = <4>; + /* Verdin I2S_2_D_OUT as GPIO (SODIMM 46) */ + enable-gpios = <&main_gpio0 34 GPIO_ACTIVE_HIGH>; + /* Verdin PWM_2 (SODIMM 16) */ + pwms = <&epwm0 1 6666667 PWM_POLARITY_INVERTED>; + }; + + panel-lvds-native { + compatible = "logictechno,lt170410-2whc"; + backlight = <&backlight_pwm2>; + power-supply = <®_3v3_lvds>; + + port { + panel_lvds_native_in: endpoint { + remote-endpoint = <&oldi0_out>; + }; + }; + }; + + reg_3v3_lvds: regulator-3v3-lvds { + compatible = "regulator-fixed"; + regulator-max-microvolt = <3300000>; + regulator-min-microvolt = <3300000>; + regulator-name = "+V3.3_LVDS"; + }; +}; + +&dss { + status = "okay"; +}; + +&dss_ports { + #address-cells = <1>; + #size-cells = <0>; + + /* DSS VP1: internal DPI output to OLDIx */ + port@0 { + reg = <0>; + + dss0_out: endpoint { + remote-endpoint = <&oldi0_in>; + }; + }; +}; + +/* Verdin I2C_2_DSI */ +&main_i2c2 { + #address-cells = <1>; + #size-cells = <0>; + + touchscreen@4a { + compatible = "atmel,maxtouch"; + reg = <0x4a>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2s_2_d_in_gpio>, <&pinctrl_i2s_2_sync_gpio>; + /* Verdin I2S_2_SYNC as GPIO (SODIMM 44) */ + interrupt-parent = <&main_gpio0>; + interrupts = <37 IRQ_TYPE_EDGE_FALLING>; + /* Verdin I2S_2_D_IN as GPIO (SODIMM 48) */ + reset-gpios = <&main_gpio0 33 GPIO_ACTIVE_LOW>; + }; +}; + +&main_pmx0 { + /* Mallow Touch RST */ + pinctrl_i2s_2_d_in_gpio: main-gpio0-33-default-pins { + pinctrl-single,pins = < + AM62X_IOPAD(0x0088, PIN_INPUT, 7) /* (L24) GPMC0_OEn_REn.GPIO0_33 */ /* SODIMM 48 */ + >; + }; + + /* Mallow Touch INT# */ + pinctrl_i2s_2_sync_gpio: main-gpio0-37-default-pins { + pinctrl-single,pins = < + AM62X_IOPAD(0x0098, PIN_INPUT, 7) /* (U23) GPMC0_WAIT0.GPIO0_37 */ /* SODIMM 44 */ + >; + }; +}; + +&oldi0 { + status = "okay"; +}; + +&oldi0_port0 { + oldi0_in: endpoint { + remote-endpoint = <&dss0_out>; + }; +}; + +&oldi0_port1 { + oldi0_out: endpoint { + remote-endpoint = <&panel_lvds_native_in>; + }; +}; -- 2.54.0