From nobody Mon Feb 9 09:33:19 2026 Received: from mail-m3296.qiye.163.com (mail-m3296.qiye.163.com [220.197.32.96]) (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 8069212CD8B; Sat, 7 Feb 2026 08:49:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.32.96 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770454172; cv=none; b=cci5yUVw/01KRusrtg7kpE3fe0f5z/SFVo/uz6gXGKYw4lpr6gllOaOjvUEXyfUR8rqZPH9FINwjZWWWuSFpku9WSzhjosahT1s+HQAg8Gw2w83s+LRetMm1ZnUvNer38/2mJtTE19QVLiUk0YZRihPI1Sj3yGreQJkrd9jE1VA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770454172; c=relaxed/simple; bh=EGlbJt4UoSLkYy09+Ujv17dM+4JZjbWnbz1SJ8A7TVQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ff6EMsb1oNQZFrVBycinFtZ5VxJoBO+IIGH2Dv99ZN7+aI+DaCgvTR+iIppwStOEXl2i25BRQuOcJPGqTlAI6wN6qBJE/+UvJ/+QgdWxM61uKK+bBA823oUjYweVXBX7Em7lCb82aGkIrv+GdWmfI9AQpqpgXges1yOFMLEL5RU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=thundersoft.com; spf=pass smtp.mailfrom=thundersoft.com; dkim=pass (1024-bit key) header.d=thundersoft.com header.i=@thundersoft.com header.b=LGCz9P7g; arc=none smtp.client-ip=220.197.32.96 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=thundersoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=thundersoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=thundersoft.com header.i=@thundersoft.com header.b="LGCz9P7g" Received: from [127.0.1.1] (unknown [113.235.123.225]) by smtp.qiye.163.com (Hmail) with ESMTP id 3372cf66b; Sat, 7 Feb 2026 15:33:38 +0800 (GMT+08:00) From: Hongyang Zhao Date: Sat, 07 Feb 2026 15:32:54 +0800 Subject: [PATCH v3 1/3] dt-bindings: display: lt9611: Support single Port B input Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260207-rubikpi-next-20260116-v3-1-23b9aa189a3a@thundersoft.com> References: <20260207-rubikpi-next-20260116-v3-0-23b9aa189a3a@thundersoft.com> In-Reply-To: <20260207-rubikpi-next-20260116-v3-0-23b9aa189a3a@thundersoft.com> To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vinod Koul , Bjorn Andersson , Konrad Dybcio , Dmitry Baryshkov , Christopher Obbard Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Roger Shimizu , linux-arm-msm@vger.kernel.org, Hongyang Zhao X-Mailer: b4 0.15-dev-47773 X-Developer-Signature: v=1; a=ed25519-sha256; t=1770449616; l=2074; i=hongyang.zhao@thundersoft.com; s=20251115; h=from:subject:message-id; bh=EGlbJt4UoSLkYy09+Ujv17dM+4JZjbWnbz1SJ8A7TVQ=; b=VabQBDcaR19gGUsPqBfUFW5+ApjQtXi/6JPTGqKx+qQymjWtrf7Qsp7roy3l9QqMS7y/SlqK6 8hEmEyAng0wAkYlnZQpWK/ajm0VhFF5+Vowt2ko4gZU0Lylro/7lyXJ X-Developer-Key: i=hongyang.zhao@thundersoft.com; a=ed25519; pk=0M0CJ1s9WiFZwli2JsxLB9ykikp5WkpKzCWgpdANKNI= X-HM-Tid: 0a9c370545c509d5kunm3723250e7f3075 X-HM-MType: 1 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFITzdXWS1ZQUlXWQ8JGhUIEh9ZQVkZH0JCVkpDT0NPSkMfHh5JQlYVFAkWGhdVEwETFh oSFyQUDg9ZV1kYEgtZQVlKSkhVSUhOVUpJSFVJSU5ZV1kWGg8SFR0UWUFZT0tIVUpLSU9PT0hVSk tLVUpCS0tZBg++ DKIM-Signature: a=rsa-sha256; b=LGCz9P7gcDxPocmLXLstQ5nLO+UPYcIl+LO3yYZXUsj35hK0bCDm0SvEG59RAzORhN3dwivCxKLjF5EF3L4a2ExmLqjBBBE418m7dv4GNQIxbvz/5h/ka8qzSXHW3Oqvw+5lN7ZEpAV1ez50yX6xvByrgasoZZ/jevWItPAFo5c=; c=relaxed/relaxed; s=default; d=thundersoft.com; v=1; bh=W01jkYSpWbsH8AaTOMMLWBvhB2MlFfUuXRlmTq4crEU=; h=date:mime-version:subject:message-id:from; The LT9611 has two DSI input ports (Port A and Port B). Update the binding to clearly document the port mapping and allow using Port B alone when DSI is physically connected to Port B only. Changes: - Clarify port@0 corresponds to DSI Port A input - Clarify port@1 corresponds to DSI Port B input - Change port requirement from mandatory port@0 to anyOf port@0/port@1, allowing either port to be used independently Reviewed-by: Neil Armstrong Signed-off-by: Hongyang Zhao --- .../bindings/display/bridge/lontium,lt9611.yaml | 15 +++++++++++= ---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/display/bridge/lontium,lt961= 1.yaml b/Documentation/devicetree/bindings/display/bridge/lontium,lt9611.ya= ml index 655db8cfdc25..429a06057ae8 100644 --- a/Documentation/devicetree/bindings/display/bridge/lontium,lt9611.yaml +++ b/Documentation/devicetree/bindings/display/bridge/lontium,lt9611.yaml @@ -44,21 +44,28 @@ properties: port@0: $ref: /schemas/graph.yaml#/properties/port description: - Primary MIPI port-1 for MIPI input + DSI Port A input. directly drives the display, or works in + combination with Port B for higher resolution displays. =20 port@1: $ref: /schemas/graph.yaml#/properties/port description: - Additional MIPI port-2 for MIPI input, used in combination - with primary MIPI port-1 to drive higher resolution displays + DSI Port B input. Can be used alone if DSI is physically + connected to Port B, or in combination with Port A for higher + resolution displays. =20 port@2: $ref: /schemas/graph.yaml#/properties/port description: HDMI port for HDMI output =20 + anyOf: + - required: + - port@0 + - required: + - port@1 + required: - - port@0 - port@2 =20 required: --=20 2.43.0