From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 12451CD4F3D for ; Thu, 21 May 2026 15:01:07 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6826D10F37A; Thu, 21 May 2026 15:01:06 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="k8cHzA/l"; dkim-atps=neutral Received: from mail-wm1-f52.google.com (mail-wm1-f52.google.com [209.85.128.52]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1ED0010F37A for ; Thu, 21 May 2026 15:01:05 +0000 (UTC) Received: by mail-wm1-f52.google.com with SMTP id 5b1f17b1804b1-488ab2db91aso65465495e9.3 for ; Thu, 21 May 2026 08:01:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1779375664; x=1779980464; darn=lists.freedesktop.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=i/73kfEyrfpQzCEFi/idt4kbknug0hC2s2N9IffeSWo=; b=k8cHzA/lK4F1d2CKZAwQfPXq6ULsl3jA6OB0fAz3Ma0f0A7d0BdoH9kiuPKpZinfQg Y8EAP8k7dv4E3gV+8Nw4imM9IwtSXs4LIj+F7gJZJIrZ4y6nRQxtiPXpBUby657b+ORa Wdxv1k4Ut+/7HZweV9rOanXl4diqZO6ZuXBUhm7RB8F5lTdI4fXGsbME3W6xNutZ6OpG Jj3fAQK4i+7+wWM0djsCEue/CXbdbLE7FRFQ7h/2YwVtMZrBJ4G+eqJ7bRPN8lQ47I4Q Mu4maS9yUtShkimPNFEbQe2NUWRl7y56eiSGFTFH14SnHDz4k54ozIYkPXpFXLacd3m5 Uu2g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1779375664; x=1779980464; 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=i/73kfEyrfpQzCEFi/idt4kbknug0hC2s2N9IffeSWo=; b=mUNAtEo9yZH9KN/gVijV5MmjnDzY8SdUAmwgjXP65ZujlQzEvDxRIfRc+8LrmWSuX3 EBBVeV7zpEzlmY1b647nNJ1wWluf/kidTrgc9NHw1ung/cT92zU3hEdVlCWCvlbKFtNw wum/TaPG3TlUxjK2cmQp6TES4y3LFhJivdjRVXODXcy7p2Xf/fAdrdKhbJl7l6bUfB0S 9Fi5YGE708GW0tklm/dDpr6QQMArLJdVDOH8FtIH20bammgS6b6vlUzNiZbqIuVXKBy7 Dc1jnbld3ea23NsWc6z/DVrrByY0iQVIvV0XgZBqXxnopGbHKk19D3sZuO0//cl5he6X dmYw== X-Forwarded-Encrypted: i=1; AFNElJ+z1pO2rk32n6Xz3lwkwsu7vn50K5CtkfzRAe+xQ8wsjcLna7uyky+cvrFopDxbanp4LpPHqPbUMqE=@lists.freedesktop.org X-Gm-Message-State: AOJu0YyPxJJYQUFtZplWvx6qeXlw1qfciBl+hveH6iJFM6XkUYQaBpuH gIlh2L6MYBInw3+XH85ZgXZD24/G2FHNcdDT2OR1IruEljuzXnZk42h4 X-Gm-Gg: Acq92OEfzUXXcDcjm/vAS88uduMcJlIr5VcZFQCAt4SYom1QmcJ5+jLwPjKdRUXEJE0 cOoQbewm5VTWbarTymQxFVQ/3Mxf38HJMVUsx+t1fK55vnOZrYUE9QgmvEGH5x6sR08EHhDTC7R JFDZYTTPpeixHzoAY3RL01X63LXnT2F89jKiBYDbGB4vVL6e6I8EfGYpHm1BfBlk5zeMMIuMMP0 2SNmTYIrDwfeDysI6Dyq7AFdQFTz3xWvMsqbFQGmiWHFh5pXZHHQIbrg3GYk3eu9foCgHSKdR+n VYZS0igpi304VkWPZuSAXjnj+vkq143Msk2Jr6/sl2XCBpC6C2TpeLaMCDWUXm0hNGuilGTwLGc 3BuGEbzyAp7+Bhhzm4vrRhF+BQ2l8L7Ngbxrti3pze52P53rtOVHDAA2Byq0DNLb7qPcjJpGGMI MDmnqt/jJQgBWRl8ERw3FwxkqoBCcT9t9XSjcPZtqn1A== X-Received: by 2002:a05:600c:848d:b0:48e:635a:18d7 with SMTP id 5b1f17b1804b1-49035fbaad0mr49232625e9.0.1779375663135; Thu, 21 May 2026 08:01:03 -0700 (PDT) Received: from vitor-nb (dsl-113-208.bl27.telepac.pt. [176.79.113.208]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4903caede9fsm34056745e9.14.2026.05.21.08.01.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 May 2026 08:01:02 -0700 (PDT) From: Vitor Soares To: Laurent Pinchart , Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Lad Prabhakar , Thierry Reding , Sam Ravnborg 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 v1 02/15] arm64: dts: ti: k3-am62-verdin: Add Toradex DSI to LVDS adapter with 10.1" display Date: Thu, 21 May 2026 16:00:38 +0100 Message-ID: <20260521150038.103538-19-ivitro@gmail.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260521150038.103538-17-ivitro@gmail.com> References: <20260521150038.103538-17-ivitro@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Vitor Soares Add a device tree overlay for the Toradex DSI to LVDS Adapter with the Toradex Capacitive Touch Display 10.1" LVDS. The adapter connects to the Verdin DSI_1 interface. It is based on the Texas Instruments SN65DSI84 DSI-to-LVDS bridge and drives a LogicTechno LT170410-2WHC 10.1" WXGA LVDS panel. Touch input is provided by an Atmel MaxTouch capacitive touch controller. Link: https://developer.toradex.com/hardware/accessories/add-ons/dsi-lvds-adapter 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 --- arch/arm64/boot/dts/ti/Makefile | 5 + ...in-dsi-to-lvds-panel-cap-touch-10inch.dtso | 135 ++++++++++++++++++ 2 files changed, 140 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-am625-verdin-dsi-to-lvds-panel-cap-touch-10inch.dtso diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index 21db60cd19de..b2408f62c139 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -24,6 +24,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-am625-phyboard-lyra-rdk.dtb dtb-$(CONFIG_ARCH_K3) += k3-am625-sk.dtb dtb-$(CONFIG_ARCH_K3) += k3-am625-tqma62xx-mba62xx.dtb dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-dsi-to-hdmi.dtbo +dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-dsi-to-lvds-panel-cap-touch-10inch.dtbo dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-nonwifi-dahlia-dsi-to-hdmi.dtb dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-nonwifi-dahlia.dtb dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-nonwifi-dev-dsi-to-hdmi.dtb @@ -209,6 +210,9 @@ k3-am625-sk-csi2-ov5640-dtbs := k3-am625-sk.dtb \ k3-am625-sk-csi2-tevi-ov5640-dtbs := k3-am625-sk.dtb \ k3-am62x-sk-csi2-tevi-ov5640.dtbo 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-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 \ @@ -310,6 +314,7 @@ dtb- += k3-am625-beagleplay-csi2-ov5640.dtb \ k3-am625-sk-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-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-dsi-to-lvds-panel-cap-touch-10inch.dtso b/arch/arm64/boot/dts/ti/k3-am625-verdin-dsi-to-lvds-panel-cap-touch-10inch.dtso new file mode 100644 index 000000000000..c1236f64732a --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am625-verdin-dsi-to-lvds-panel-cap-touch-10inch.dtso @@ -0,0 +1,135 @@ +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT +/* + * Copyright (c) Toradex + * + * Toradex DSI to LVDS Adapter on Verdin DSI_1 with Capacitive Touch Display 10.1" + * Used on Dahlia (X17) and Development Board (X48) that expose DSI_1 via an + * Samtec LSS-130 connector. + * + * https://developer.toradex.com/hardware/accessories/displays/capacitive-touch-display-101inch-lvds + * https://www.toradex.com/accessories/capacitive-touch-display-10.1-inch-lvds + * https://developer.toradex.com/hardware/accessories/add-ons/dsi-lvds-adapter + * https://www.toradex.com/accessories/verdin-dsi-to-lvds-adapter + */ + +/dts-v1/; +/plugin/; + +#include +#include +#include + +&{/} { + backlight_pwm3: backlight-pwm3 { + 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>; + power-supply = <®_3v3>; + /* Verdin PWM_3_DSI (SODIMM 19) */ + pwms = <&epwm1 0 6666667 PWM_POLARITY_INVERTED>; + }; + + panel-lvds-bridge { + compatible = "logictechno,lt170410-2whc", "panel-lvds"; + backlight = <&backlight_pwm3>; + data-mapping = "vesa-24"; + height-mm = <136>; + width-mm = <217>; + + panel-timing { + clock-frequency = <71100000>; + de-active = <1>; + hactive = <1280>; + hback-porch = <3 40 51>; + hfront-porch = <43 80 91>; + hsync-active = <0>; + hsync-len = <15 40 47>; + pixelclk-active = <1>; /* positive edge */ + vactive = <800>; + vback-porch = <5 7 10>; + vfront-porch = <5 7 10>; + vsync-active = <0>; + vsync-len = <6 9 12>; + }; + + port { + panel_lvds_bridge_in: endpoint { + remote-endpoint = <&dsi_lvds_bridge_out>; + }; + }; + }; +}; + +&dsi_bridge { + status = "okay"; +}; + +&dsi_bridge_ports { + #address-cells = <1>; + #size-cells = <0>; + + port@1 { + reg = <1>; + + dsi_bridge_out: endpoint { + remote-endpoint = <&dsi_lvds_bridge_in>; + }; + }; +}; + +&dss { + status = "okay"; +}; + +/* Verdin I2C_1 */ +&main_i2c1 { + #address-cells = <1>; + #size-cells = <0>; + + bridge@2c { + compatible = "ti,sn65dsi84"; + reg = <0x2c>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_dsi1_bkl_en>; + /* Verdin GPIO_10_DSI (SODIMM 21) - DSI_1_BKL_EN */ + enable-gpios = <&main_gpio0 30 GPIO_ACTIVE_HIGH>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + dsi_lvds_bridge_in: endpoint { + remote-endpoint = <&dsi_bridge_out>; + data-lanes = <1 2 3 4>; + }; + }; + + port@2 { + reg = <2>; + + dsi_lvds_bridge_out: endpoint { + remote-endpoint = <&panel_lvds_bridge_in>; + }; + }; + }; + }; + + touch@4a { + compatible = "atmel,maxtouch"; + reg = <0x4a>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_dsi1_int>, <&pinctrl_i2s_2_bclk_gpio>; + /* Verdin GPIO_9_DSI (SODIMM 17) - TOUCH_INT# */ + interrupt-parent = <&main_gpio1>; + interrupts = <49 IRQ_TYPE_EDGE_FALLING>; + /* Verdin I2S_2_BCLK (SODIMM 42) - TOUCH_RESET# */ + reset-gpios = <&main_gpio0 35 GPIO_ACTIVE_LOW>; + }; +}; -- 2.54.0