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 72A77F327B7 for ; Tue, 21 Apr 2026 07:10:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4464010EB8D; Tue, 21 Apr 2026 07:10:38 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=lontium.com header.i=@lontium.com header.b="Ij6BttJg"; dkim-atps=neutral X-Greylist: delayed 302 seconds by postgrey-1.36 at gabe; Mon, 20 Apr 2026 02:39:07 UTC Received: from out28-5.mail.aliyun.com (out28-5.mail.aliyun.com [115.124.28.5]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3DC8410E10C for ; Mon, 20 Apr 2026 02:39:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lontium.com; s=default; t=1776652745; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=TzUGLYacwsKCVW9G/6aJQu90u36lBCxZ6anY27Su7b8=; b=Ij6BttJgfROVuMEUWCfweN/gmO6SzGWMBW2vCSjfDXvl0y5+lrFhRiEYKXHlKWvJkkIUCc9pTBbzBXuFJvT6yfQPf/mB+EJ8ozMImuUi4a7oDE7bGdVM5ub9z8SdtfyKT7n5a9Q4iUdLrjYthXnsizAdUl+MfAKPCV/dhTQEwNnrcA+ti/kLQAwkeXjXOe5qfvu8GQkufXSqYo3ST1cDUXjJSuNmhb3l7OnXHohnpCtJQ00nwEGQO6sU9xET0yJfdgnNWNT+zlH98ku3MUHqzOt0E4EjIxj7GpMi9HUfBFsNuXmYldCITyAJNnbgm/5t2Txv5GDq0QgONLRylkY9xA== X-Alimail-AntiSpam: AC=CONTINUE; BC=0.185872|-1; CH=green; DM=|CONTINUE|false|; DS=CONTINUE|ham_system_inform|0.0215629-0.00143445-0.977003; FP=12486424288784215529|0|0|0|0|-1|-1|-1; HT=maildocker-contentspam011083013073; MF=syyang@lontium.com; NM=1; PH=DS; RN=19; RT=19; SR=0; TI=SMTPD_---.hFmvE13_1776652440; Received: from DESKTOP-V2MKAT2.localdomain(mailfrom:syyang@lontium.com fp:SMTPD_---.hFmvE13_1776652440 cluster:ay29) by smtp.aliyun-inc.com; Mon, 20 Apr 2026 10:34:01 +0800 From: syyang@lontium.com To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, andrzej.hajda@intel.com, neil.armstrong@linaro.org, dmitry.baryshkov@oss.qualcomm.com, maarten.lankhorst@linux.intel.com, rfoss@kernel.org, mripard@kernel.org Cc: Laurent.pinchart@ideasonboard.com, tzimmermann@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, yangsunyun1993@gmail.com, xmzhu@lontium.corp-partner.google.com, Sunyun Yang Subject: [PATCH 0/2] Add LT7911EXC edp to mipi bridge driver Date: Mon, 20 Apr 2026 10:33:52 +0800 Message-Id: <20260420023354.1192642-1-syyang@lontium.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Tue, 21 Apr 2026 07:09:47 +0000 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: Sunyun Yang This patch series adds support for the LT7911EXC edp to mipi bidge chip. The LT7911EXC is an I2C-controlled bridge that Receiver eDP1.4 and output signal/dual port mipi. This series introduces: - A device tree binding YAML file describing the hardware - A new DRM bridge driver implementing the basic functionality Signed-off-by: Sunyun Yang --- Sunyun Yang (2): dt-bindings:bridge Add LT7911EXC binding drm/bridge: Add LT7911EXC edp to mipi bridge driver .../display/bridge/lontium,lt7911exc.yaml | 91 +++ drivers/gpu/drm/bridge/Kconfig | 18 + drivers/gpu/drm/bridge/Makefile | 1 + drivers/gpu/drm/bridge/lontium-lt7911exc.c | 571 ++++++++++++++++++ 4 files changed, 681 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/lontium,lt7911exc.yaml create mode 100644 drivers/gpu/drm/bridge/lontium-lt7911exc.c -- 2.34.1