From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out28-99.mail.aliyun.com (out28-99.mail.aliyun.com [115.124.28.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A8401346FB5; Mon, 20 Apr 2026 02:34:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.28.99 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776652454; cv=none; b=rx68WbVkHqXrebgNCufJDhaAQkNHn0DrtiFhnjSIYL/Qp9UeGHjzBNoaLTPyc50I2Qpp+khVFseiOi7ddNSnv6eQ1GYG9Y2HyeSAsP7YxaGRCxCrW27+wwh6+q6JHqOBN+yDKZsOldUvs0rv0LVJJY6hHyw+bC2AOm3JJ9F9YJE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776652454; c=relaxed/simple; bh=AViuP/vukSm1bYwBrfdZBi4rzQ2N/P77JlnIer3YrD0=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=h4wNRT9bYSFJnG8LjcOXZChyTVgBxRAGMW7VhQ/HhTWQsQ+ULJAbDgMU87+S/HbQuvO7sAuiQo8xYqquhrYOhyht+1CKi7JiVcZ4LExhjxKE80C0ntiDqtE06VSemZ4GcoI8YGjyGwTGMWQKIdHtHG7Bc5daAOoUuiQKdveM2Kg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lontium.com; spf=pass smtp.mailfrom=lontium.com; dkim=pass (2048-bit key) header.d=lontium.com header.i=@lontium.com header.b=deHk99Z1; arc=none smtp.client-ip=115.124.28.99 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lontium.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lontium.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=lontium.com header.i=@lontium.com header.b="deHk99Z1" DKIM-Signature:v=1; a=rsa-sha256; c=relaxed/relaxed; d=lontium.com; s=default; t=1776652443; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=TzUGLYacwsKCVW9G/6aJQu90u36lBCxZ6anY27Su7b8=; b=deHk99Z16E6eomWjfi+WAl3YxHIE9HCi+WTaw3nnaCdu8kcx8mSNN90rwuw5wPIuDTVzXru/mcK3O0BbOx7W4r/sxaRRh038jnyuFMimdgwLzhpz62doGosBCT39mdCJpkAEQvzhpaxuGXKXyRrezK+kJ0/MD5xeKFCAf7BBKQAMlO4u2mc1Lak9drGIQKVWJRCNKVVZrAxcfpZM+Xv/s4caiHQIq8AYpeV1hdi7OdWzIBC4651RhCxUUbGjB46nnLr1K+swWg2A1AEaXuBXZwAmTEVPBX4d2w5qnc3CDKXotS34kS2Og2anRm7u8q8oV/DSuZ9eNPyjG5vvG/WI5w== 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 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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