From patchwork Thu Nov 11 15:45:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 12692299 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7CE98C433F5 for ; Thu, 11 Nov 2021 15:47:41 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 46B9E611AD for ; Thu, 11 Nov 2021 15:47:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 46B9E611AD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=amarulasolutions.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=aRAsEWLMXI3i+vAyJ60tyPOwsi/fBFa6vvcO5hS7+g4=; b=gfiB7NkhGeQQ4F tfyI1U962rfGTAYkyiIRCHXZt77CSfvqTIgd4AuNScLoyqpetzceqjvyVwydK6cIs0FkHegVhBb3b VJQz3hgJjcBdKjuibWmF90VvE1ql/FhdNGJEPDLZQSR0FJAFrHWVUvrHUfluKua2iOzQbJcp/uMgq M+MDT+ShnJ99dfgrHo/9jF3D1vJWKA7RBUq7pmIVI3w/v61z151jaYM/jrLXgyxZHFDYxzQVCEsgR EDyCa+FVn6DLgi9/P6KmKAEz3oBy7nO4TJTmWsYRU3Y09H7xQma3kbi2nA25p/Nx78JIlA18CTv1U WnbpTSeFyXc5rT1PqiuQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mlCHF-008HWx-9g; Thu, 11 Nov 2021 15:46:13 +0000 Received: from mail-pl1-x633.google.com ([2607:f8b0:4864:20::633]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mlCH8-008HUs-5F for linux-arm-kernel@lists.infradead.org; Thu, 11 Nov 2021 15:46:11 +0000 Received: by mail-pl1-x633.google.com with SMTP id o14so6079718plg.5 for ; Thu, 11 Nov 2021 07:46:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=IHt50f9mlyj2/SGCeb4ttMHVOWoii0nmE+uZwCQwvss=; b=pJ+aj0QcW5CArcwgJ/NlNf7LjHw/5Dte0pH8KK1eCFpa3e3bzsXEOjr0mZfAd97E87 wneccpy8j5SVG3wQuitDaYXf3q+k4h3nGJYGTDSsR/tMAZyDl4IFpSOQvlzkInw3kAR2 Md4gPyfxT+6FZ+yPkZo0DiItVLsxp4GaQPqB0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=IHt50f9mlyj2/SGCeb4ttMHVOWoii0nmE+uZwCQwvss=; b=aAGhw7Q5FWMvonFEQQqUaU9NJJ93VJdQKTZt6Xdqq4vRloDS+/n64X8y1Sw+WQ6TRi MyHI3UnQe+xGGRGpwIPvzSK6o5887f36AyBrUssgBciwu3cN12XSos5pHZMaRhm9cxqR nXVcA/4xby3/+sKqkzWbxLuklJA+fkp6rRL04uJ0jMeekNFyXbVJzz3ivWEAWVerEIkM nnHV8oIa0+DBdSJBmoR/A96Gi9XZAO7pNZQsoGSNN79M68kSu9f8hxNuS6yVaMOcrito UI6MK1MNymdV+SLEM9C6BixE+bLGBrlEdJ8HhzB05vqTCZdf60Os/VYznD1djBv8FRYu P7xg== X-Gm-Message-State: AOAM5329GdljQc97isnHym/bujoYze+fBW9OPTyqE0ZvnIK0YeLEr46m 1MWeKfNEOOm7zc6I6XvXXeANWV+VEH/c1w== X-Google-Smtp-Source: ABdhPJxC6ZgyozJNOpUT/48/RGwMj3ZvL6O5TXHm+OR45a6ap3fs4/22wlkQl/SgvLOHLCzAQ+3q/Q== X-Received: by 2002:a17:90a:17a5:: with SMTP id q34mr27153922pja.122.1636645564865; Thu, 11 Nov 2021 07:46:04 -0800 (PST) Received: from localhost.localdomain ([2405:201:c00a:a0a9:3041:135c:4e21:846c]) by smtp.gmail.com with ESMTPSA id m15sm2782122pjf.49.2021.11.11.07.46.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Nov 2021 07:46:04 -0800 (PST) From: Jagan Teki To: Rob Herring , Maxime Coquelin , Alexandre Torgue Cc: devicetree@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-amarula@amarulasolutions.com, Matteo Lisi , Jagan Teki Subject: [PATCH 1/3] ARM: dts: stm32: Enable LVDS panel on i.Core STM32MP1 EDIMM2.2 Date: Thu, 11 Nov 2021 21:15:55 +0530 Message-Id: <20211111154557.852637-1-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211111_074606_370344_2F414020 X-CRM114-Status: GOOD ( 11.04 ) 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 Engicam i.Core STM32MP1 EDIMM2.2 Starter Kit has plugged with 7" LVDS panel. Engicam i.Core STM32MP1 SoM has SN65DSI84 DSI to LVDS bridge. This patch adds a display pipeline to connect DSI to SN65DSI84 to 7" LVDS panel. Signed-off-by: Jagan Teki --- .../stm32mp157a-icore-stm32mp1-edimm2.2.dts | 85 +++++++++++++++++++ 1 file changed, 85 insertions(+) diff --git a/arch/arm/boot/dts/stm32mp157a-icore-stm32mp1-edimm2.2.dts b/arch/arm/boot/dts/stm32mp157a-icore-stm32mp1-edimm2.2.dts index ec9f1d1cd50f..d80b4415e761 100644 --- a/arch/arm/boot/dts/stm32mp157a-icore-stm32mp1-edimm2.2.dts +++ b/arch/arm/boot/dts/stm32mp157a-icore-stm32mp1-edimm2.2.dts @@ -24,6 +24,91 @@ aliases { chosen { stdout-path = "serial0:115200n8"; }; + + backlight: backlight { + compatible = "gpio-backlight"; + gpios = <&gpiod 13 GPIO_ACTIVE_HIGH>; + default-on; + }; + + panel { + compatible = "yes-optoelectronics,ytc700tlag-05-201c"; + backlight = <&backlight>; + power-supply = <&v3v3>; + + port { + panel_out_bridge: endpoint { + remote-endpoint = <&bridge_out_panel>; + }; + }; + }; +}; + +&dsi { + status = "okay"; + phy-dsi-supply = <®18>; + + ports { + port@0 { + reg = <0>; + dsi_in_ltdc: endpoint { + remote-endpoint = <<dc_out_dsi>; + }; + }; + + port@1 { + reg = <1>; + dsi_out_bridge: endpoint { + remote-endpoint = <&bridge_in_dsi>; + }; + }; + }; +}; + +&i2c6 { + i2c-scl-falling-time-ns = <20>; + i2c-scl-rising-time-ns = <185>; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&i2c6_pins_a>; + pinctrl-1 = <&i2c6_sleep_pins_a>; + status = "okay"; + + bridge@2c { + compatible = "ti,sn65dsi84"; + reg = <0x2c>; + enable-gpios = <&gpiof 15 GPIO_ACTIVE_HIGH>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + bridge_in_dsi: endpoint { + remote-endpoint = <&dsi_out_bridge>; + data-lanes = <0 1>; + }; + }; + + port@2 { + reg = <2>; + bridge_out_panel: endpoint { + remote-endpoint = <&panel_out_bridge>; + }; + }; + }; + }; +}; + +<dc { + status = "okay"; + + port { + ltdc_out_dsi: endpoint@0 { + reg = <0>; + remote-endpoint = <&dsi_in_ltdc>; + }; + }; }; &sdmmc1 {