From patchwork Fri Mar 26 12:19:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adrien Grassein X-Patchwork-Id: 12166477 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.5 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3468CC433C1 for ; Fri, 26 Mar 2021 12:20:05 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id C054F6191F for ; Fri, 26 Mar 2021 12:20:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C054F6191F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 496516E1B8; Fri, 26 Mar 2021 12:20:03 +0000 (UTC) Received: from mail-wr1-x436.google.com (mail-wr1-x436.google.com [IPv6:2a00:1450:4864:20::436]) by gabe.freedesktop.org (Postfix) with ESMTPS id E43C46E1B8 for ; Fri, 26 Mar 2021 12:20:02 +0000 (UTC) Received: by mail-wr1-x436.google.com with SMTP id j9so3716158wrx.12 for ; Fri, 26 Mar 2021 05:20:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=0Cg+L3wPpp5OHDURFXSz4FjhlOlxdha9TlBU9uEJUR4=; b=fZcIez8MREWxgCyQtvWwdjIm5euQ6o9gQ7FC4HVKcxBiDvM4xrDGie8N5Tpla/qM3c 5hnQYd//BT7uZvNHcEfadAGGPxvjnEFJl2W/3H00wr0sceJObt1bJdDyouIXr4P3jwql 1FN3lMz4Uq95K42L3nSGN7luoeoXpxMhnZolZwlbqhOlJXO019DaFSb108qq4I1zxPuj GbC4O3VYYX4qLzWTGulUJgpEAgW8VENzc3tWe7ZsPs77POJtUw5HI1BTtB/R46VVcmTG WvegsDw08sCzgSkLEm48dtyQ9uqm7YVMRTVRiBZexlEjkhP6tY7UnzP6ckfJtf8QR371 f4DQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=0Cg+L3wPpp5OHDURFXSz4FjhlOlxdha9TlBU9uEJUR4=; b=ZA0KFdfnSXzK1LIQif3zMTGsVuj/uRS/Mgsg6hMVoPxHZqdG3NoiihCjXDGDPLJgTh 8poSnKw6ORoXkQM6c4BcZO5pkbX3Xkr0mGOK7m2jMKy80hFOLgnrYmpGXqmjS1+OPtMF RZJItJNdqjiWlULJ1HjRqBUB6DDNLrUqy000Pinqao3lW4E5f/mTlyNF7VqhQvCw1nuL K4Lo/I2ycFtGQbDiqvkJ90s5xszxwUfFx3ijm2XAZrrfDBWR42uvSCS7wTYtwQcfsicU 9spaRd7SA9VEwVmIgoWj1il6gzoKJ1xatLBb5tyQ0QIyF2lgsyJ/Fd2eW8ZyC1/0MTNy Q5Tg== X-Gm-Message-State: AOAM531Ac+lpL7KKWvzPgp16cAUawo3Fni2taW0Lu+ZBsCg14wpzBGfs +sR3g9VZUmAjvkwAn/c1dHc= X-Google-Smtp-Source: ABdhPJwvjOLfOd3vNQBZGosStChbrabc4TRZuIZHHAGv1XyNK8GxNktfT3id8xevNJ705wUXBVgTgQ== X-Received: by 2002:adf:e482:: with SMTP id i2mr14079742wrm.392.1616761201544; Fri, 26 Mar 2021 05:20:01 -0700 (PDT) Received: from localhost.localdomain (2a01cb0008bd2700f1419764c24345e5.ipv6.abo.wanadoo.fr. [2a01:cb00:8bd:2700:f141:9764:c243:45e5]) by smtp.gmail.com with ESMTPSA id l6sm11150102wrt.56.2021.03.26.05.20.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Mar 2021 05:20:01 -0700 (PDT) From: Adrien Grassein To: Subject: [PATCH v9 1/2] dt-bindings: display: bridge: Add documentation for LT8912B Date: Fri, 26 Mar 2021 13:19:54 +0100 Message-Id: <20210326121955.1266230-2-adrien.grassein@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210326121955.1266230-1-adrien.grassein@gmail.com> References: <20210326121955.1266230-1-adrien.grassein@gmail.com> MIME-Version: 1.0 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: , Cc: devicetree@vger.kernel.org, jernej.skrabec@siol.net, narmstrong@baylibre.com, airlied@linux.ie, dri-devel@lists.freedesktop.org, jonas@kwiboo.se, linux-kernel@vger.kernel.org, robert.foss@linaro.org, a.hajda@samsung.com, robh+dt@kernel.org, Laurent.pinchart@ideasonboard.com, Adrien Grassein Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Lontium LT8912B is a DSI to HDMI bridge. Signed-off-by: Adrien Grassein Reviewed-by: Rob Herring --- .../display/bridge/lontium,lt8912b.yaml | 102 ++++++++++++++++++ MAINTAINERS | 5 + 2 files changed, 107 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml diff --git a/Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml b/Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml new file mode 100644 index 000000000000..735d0233a7d6 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml @@ -0,0 +1,102 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/lontium,lt8912b.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Lontium LT8912B MIPI to HDMI Bridge + +maintainers: + - Adrien Grassein + +description: | + The LT8912B is a bridge device which convert DSI to HDMI + +properties: + compatible: + enum: + - lontium,lt8912b + + reg: + maxItems: 1 + + reset-gpios: + maxItems: 1 + description: GPIO connected to active high RESET pin. + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: + Primary MIPI port for MIPI input + + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: true + + required: + - data-lanes + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: | + HDMI port, should be connected to a node compatible with the + hdmi-connector binding. + + required: + - port@0 + - port@1 + +required: + - compatible + - reg + - reset-gpios + - ports + +additionalProperties: false + +examples: + - | + #include + + i2c4 { + #address-cells = <1>; + #size-cells = <0>; + + hdmi-bridge@48 { + compatible = "lontium,lt8912b"; + reg = <0x48>; + reset-gpios = <&max7323 0 GPIO_ACTIVE_LOW>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + hdmi_out_in: endpoint { + data-lanes = <0 1 2 3>; + remote-endpoint = <&mipi_dsi_out>; + }; + }; + + port@1 { + reg = <1>; + + endpoint { + remote-endpoint = <&hdmi_in>; + }; + }; + }; + }; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 67b104202602..0dd60d51c001 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -10548,6 +10548,11 @@ S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git F: drivers/hid/hid-lg-g15.c +LONTIUM LT8912B MIPI TO HDMI BRIDGE +M: Adrien Grassein +S: Maintained +F: Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml + LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI) M: Sathya Prakash M: Sreekanth Reddy