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 4266ECD6E4A for ; Fri, 29 May 2026 11:29:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8534810FDAC; Fri, 29 May 2026 11:29:40 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=lontium.com header.i=@lontium.com header.b="UnoSOM6F"; dkim-atps=neutral Received: from out28-132.mail.aliyun.com (out28-132.mail.aliyun.com [115.124.28.132]) by gabe.freedesktop.org (Postfix) with ESMTPS id E2F7710FDAC for ; Fri, 29 May 2026 11:29:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lontium.com; s=default; t=1780054174; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=eVZn7MAONGMHowrlbF8Q4henpwp8Ya3lVGmR/icgdNU=; b=UnoSOM6FdEh3VR2ntKs3FfFELnnfhMdP1DxyGy2wDkrvvLgC/Z22IuaJTnqueE+VUyc0McEkJv1QkTDuvMpCbj/bNj0D41uCZLYMqUWzTyJHSz+tOqZk2CvFTjiPU3wcCq1GVPc/UICoeiXSt2jYFQWZr+rtF2MFHMw8a3S97Y81A/JGJzfygJUcr7pjjQt5irG/Dwp4DyoPr/NBGLS+s7B6QrGIJkXPe9wDrD5Cdm9CPLu6QwycXieoGRONrYFUuD396P1jIQ1ZqZFAK4Q0KSuKnwsgCRDE9hnCzS1Tf7o8NvSf0vETGG4qUtA3C655hw/rSDxlHfS15PeCzn8KWw== X-Alimail-AntiSpam: AC=SUSPECT; BC=0.08476171|-1; BR=01201311R171ec; CH=blue; DM=|CONTINUE|false|; DS=SPAM|spam_ad|0.867174-0.00121929-0.131607; FP=12538499638350542130|10|2|17|0|-1|-1|-1; HT=maildocker-contentspam033037021130; MF=syyang@lontium.com; NM=1; PH=DS; RN=24; RT=24; SR=0; TI=SMTPD_---.hjzOX-0_1780054172; Received: from DESKTOP-V2MKAT2.localdomain(mailfrom:syyang@lontium.com fp:SMTPD_---.hjzOX-0_1780054172 cluster:ay29) by smtp.aliyun-inc.com; Fri, 29 May 2026 19:29:33 +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@suse.de, jonas@kwiboo.se, jernej.skrabec@gmail.com, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, xmzhu@lontium.corp-partner.google.com, xmzhu@lontium.com, rlyu@lontium.com, xbpeng@lontium.com, qdchen@lontium.com, llzhang@lontium.com, Sunyun Yang , Krzysztof Kozlowski Subject: [PATCH v14 1/2] dt-bindings: bridge: Add Lontium LT7911EXC eDP to MIPI DSI bridge Date: Fri, 29 May 2026 19:29:27 +0800 Message-Id: <20260529112928.873766-2-syyang@lontium.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260529112928.873766-1-syyang@lontium.com> References: <20260529112928.873766-1-syyang@lontium.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: Sunyun Yang This commit adds the device tree binding schema for the Lontium LT7911EXC. This device is an I2C-controlled bridge that converts eDP 1.4 input to MIPI DSI output. Signed-off-by: Sunyun Yang Reviewed-by: Krzysztof Kozlowski --- .../display/bridge/lontium,lt7911exc.yaml | 89 +++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/lontium,lt7911exc.yaml diff --git a/Documentation/devicetree/bindings/display/bridge/lontium,lt7911exc.yaml b/Documentation/devicetree/bindings/display/bridge/lontium,lt7911exc.yaml new file mode 100644 index 000000000000..3290b10ce883 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/lontium,lt7911exc.yaml @@ -0,0 +1,89 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/lontium,lt7911exc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Lontium LT7911EXC eDP to MIPI DSI Bridge + +maintainers: + - Sunyun Yang + +properties: + compatible: + enum: + - lontium,lt7911exc + + reg: + maxItems: 1 + + reset-gpios: + maxItems: 1 + description: GPIO connected to RST_ pin. + + vdd-supply: + description: Regulator for 1.2V MIPI phy power. + + vcc-supply: + description: Regulator for 3.3V IO power. + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: Video port for eDP input. + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: Video port for MIPI DSI output. + + required: + - port@0 + - port@1 + +required: + - compatible + - reg + - reset-gpios + - vdd-supply + - vcc-supply + - ports + +additionalProperties: false + +examples: + - | + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + + mipi-bridge@41 { + compatible = "lontium,lt7911exc"; + reg = <0x41>; + reset-gpios = <&gpy8 8 GPIO_ACTIVE_LOW>; + vdd-supply = <<7911exc_1v2>; + vcc-supply = <<7911exc_3v3>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + bridge_in: endpoint { + remote-endpoint = <&edp_out>; + }; + }; + + port@1 { + reg = <1>; + bridge_out: endpoint { + remote-endpoint = <&panel_in>; + }; + }; + }; + }; + }; -- 2.34.1