Received: by 2002:ab2:710b:0:b0:1ef:a325:1205 with SMTP id z11csp1600118lql; Wed, 13 Mar 2024 02:50:30 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCUH+DPoxhPOecA8sj3BNjMojafDfBA+cq3kdt3mAFFdl2eli01BqPWAUUBIb0TIeEZ4nHtpafkgdc9TFHCVyQXL4dorzD9R5FEsuwKu4Q== X-Google-Smtp-Source: AGHT+IHCGYdHmYp7p18z020TkzS3o7LGfKHSP6vTodJpAJPa8P36jb7K4yJ8GB0i4J/IHQ/8DvD3 X-Received: by 2002:a17:906:1d1b:b0:a46:5e1b:58a3 with SMTP id n27-20020a1709061d1b00b00a465e1b58a3mr716402ejh.35.1710323429931; Wed, 13 Mar 2024 02:50:29 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1710323429; cv=pass; d=google.com; s=arc-20160816; b=TjbnGcF8rBIRYXevB6IGty0yI8QnCFZmZJiFvrjkt2WMX+QiqARmfPEHHpTqUgTR7G +0tLwzQKfJX/1jPrawpDUP7xg36a/5jP2QIDwim2TVSrLMndPv4R35sWqqzQTECtSlFL zNtrbv9EUDJSgo5lVUBOs884xXQ1QpnpYnV3tjFYJ5T6xPL2QPEmP3z3+H35BZlXRgtz IE0tEn0Rx13tHMmo/GD8AjkNCyVcBKqXOZPFJNH/ZjDOvPnowiiPVgYZIGHYsKRUL0Xp zlh+QVdQ6ExNgSpyRw3ha5FAzZptvF6vW3dl86RY20a7vwGi3rQBfgykQv5tHC0QeWXL CigQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:in-reply-to:message-id :date:subject:cc:to:from:dkim-signature; bh=InIW+1GpZnDeY/RAFHZX+DvTlVc0aWGSfboxLyLI2ho=; fh=o5hCEgjDLrIJ/q5aSblSlywrc7IrgRjeqtGzqdt0w5c=; b=RwfyQvtqoNFgeR4lnJvBAb1eTONw9rntik6AAzz7PRE6XKmmiesctVSpdyoYdJODor yQH9+RjP2enObNKYgU91O3M/4CS9rLaCP9R/H/0jw3LtUDlug6BV3Xo7MEg1ZZfvc55c zJF8ThI+8jBkhFbVLi+GHZdejqpHstVO7a+lpSzVBN9cuzUPmFdoSegicO7tmjbZvSF8 XR+ppuf+7IVR3fj8IQe9FHbkvQeiIXam9jSq9aJn+tsgjsx/QY/WQUJf4V5HKG6Tfk+u h5GMYl8KuG1vXcMpZD+L3lWs/dDL8RiGtdcQ7fyX288sSxSH+LL0jC0oKtTjD/h10YGD H7Nw==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@collabora.com header.s=mail header.b=BZzLf2PN; arc=pass (i=1 spf=pass spfdomain=collabora.com dkim=pass dkdomain=collabora.com dmarc=pass fromdomain=collabora.com); spf=pass (google.com: domain of linux-kernel+bounces-101297-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-101297-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=collabora.com Return-Path: Received: from am.mirrors.kernel.org (am.mirrors.kernel.org. [2604:1380:4601:e00::3]) by mx.google.com with ESMTPS id b11-20020a17090630cb00b00a44a43a84adsi4274304ejb.425.2024.03.13.02.50.29 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Mar 2024 02:50:29 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-101297-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3; Authentication-Results: mx.google.com; dkim=pass header.i=@collabora.com header.s=mail header.b=BZzLf2PN; arc=pass (i=1 spf=pass spfdomain=collabora.com dkim=pass dkdomain=collabora.com dmarc=pass fromdomain=collabora.com); spf=pass (google.com: domain of linux-kernel+bounces-101297-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-101297-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=collabora.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id 7D1751F21FF2 for ; Wed, 13 Mar 2024 09:50:29 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id E163735F18; Wed, 13 Mar 2024 09:50:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="BZzLf2PN" Received: from madrid.collaboradmins.com (madrid.collaboradmins.com [46.235.227.194]) (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 31CE12C6B3; Wed, 13 Mar 2024 09:50:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.227.194 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710323405; cv=none; b=BVTLucNOAAJdtuU96QZ7SRGKbRmh7wXufR3irsVeZL9Y7AzDG8Z/8uAUA1Y5GVKRI2FLNbQh75ILrXBk/HenG7mumqat2kEFjPyEQZATCoKx02iC1xfqzNRWZznyEdG7MtlJW4keZqydG0X5iyihPGebDyheTsc4b2mvEyc5/e8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710323405; c=relaxed/simple; bh=r3FgjHieRHvmPvUhf7DHkS8OZOnqayUYxYf3X+g8UPI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=n1W4OcQF75xVppoQlfkZh45rrfIyZwqKbUNH/2STuNOSOeEGChZJRZcqhaPswGq0ViEhdyXNYIBb6Os10zAYo/kiPp3wUO4cz/UGv58tvg9xff7VhkcLG6Jfz7ck/Vf/J4DKtAHMSM2xiM4JY6aYSlcAxzwgd56NzmIHe1HVrG0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=BZzLf2PN; arc=none smtp.client-ip=46.235.227.194 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1710323397; bh=r3FgjHieRHvmPvUhf7DHkS8OZOnqayUYxYf3X+g8UPI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BZzLf2PNPWyaAIir1fvCNPxDpDlfdMjBgiAzyH7ffkyfXFFsy+hW40H36bfXJof8a z200dqnWQ7nvJkIVhcBaMJU+HRl8VXXgM6S7hilv99C0yAk19GBX+YgmdbKzG2P2JA rw+VoIaKF32VhAzKr7rMp49VLc/LLwxMoYdgDjjmRnkTFBdEa/LQdA26OF0JR6gui+ D6sLTqY6Ps4KO/Np2l/3A9GdG/ORMCk1K9ccyshVJlrgt303OH8RhPtWcPF9BwGfpM jlYGX9Hck6/FT/cTKcLeLhgu+YYtRSHnHWdIzw5t/S9o57Qaglo4PrJ1aLiCICqJSK l4CKBoSLSKgjw== Received: from stla-brain-8255-1.home (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: jmassot) by madrid.collaboradmins.com (Postfix) with ESMTPSA id B87D837820BB; Wed, 13 Mar 2024 09:49:56 +0000 (UTC) From: Julien Massot To: linux-media@vger.kernel.org Cc: devicetree@vger.kernel.org, kernel@collabora.com, linux-kernel@vger.kernel.org, mchehab@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, sakari.ailus@iki.fi, Julien Massot Subject: [PATCH v5 1/4] dt-bindings: media: add Maxim MAX96717 GMSL2 Serializer Date: Wed, 13 Mar 2024 10:49:19 +0100 Message-ID: <20240313094922.311743-2-julien.massot@collabora.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240313094922.311743-1-julien.massot@collabora.com> References: <20240313094922.311743-1-julien.massot@collabora.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add DT bindings for Maxim MAX96717 GMSL2 Serializer. Signed-off-by: Julien Massot --- Change since v4: - Add compatible for MAX96717 and use it as a fallback for MAX96717F - Remove extra '|' for decriptions - Reference 'i2c-gate' instead of 'i2c-controller' Change since v3: - Renamed file to maxim,max96717.yaml dropped the 'f' suffix - Added lane-polarities and bus type properties to the CSI endpoint Change since v2: - remove reg description - add data lanes min/maxItems - Use generic node name --- .../bindings/media/i2c/maxim,max96717.yaml | 165 ++++++++++++++++++ 1 file changed, 165 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/maxim,max96717.yaml diff --git a/Documentation/devicetree/bindings/media/i2c/maxim,max96717.yaml b/Documentation/devicetree/bindings/media/i2c/maxim,max96717.yaml new file mode 100644 index 000000000000..0942d8c7c5c9 --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/maxim,max96717.yaml @@ -0,0 +1,165 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2024 Collabora Ltd. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/i2c/maxim,max96717.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MAX96717 CSI-2 to GMSL2 Serializer + +maintainers: + - Julien Massot + +description: + The MAX96717 serializer converts MIPI CSI-2 D-PHY or C-PHY formatted input + into GMSL2 serial outputs. The device allows the GMSL2 link to + simultaneously transmit bidirectional control-channel data while forward + video transmissions are in progress. The MAX96717 can connect to one + remotely located deserializer using industry-standard coax or STP + interconnects. The device cans operate in pixel or tunnel mode. In pixel mode + the MAX96717 can select the MIPI datatype, while the tunnel mode forward all the MIPI + data received by the serializer. + The MAX96717 supports Reference Over Reverse (channel), + to generate a clock output for the sensor from the GMSL reverse channel. + + The GMSL2 serial link operates at a fixed rate of 3Gbps or 6Gbps in the + forward direction and 187.5Mbps in the reverse direction. + MAX96717F only supports a fixed rate of 3Gbps in the forward direction. + +properties: + compatible: + oneOf: + - enum: + - maxim,max96717 + - items: + - enum: + - maxim,max96717f + - const: maxim,max96717 # fallback for 'f' variant + + '#gpio-cells': + const: 2 + description: + First cell is the GPIO pin number, second cell is the flags. The GPIO pin + number must be in range of [0, 10]. + + gpio-controller: true + + '#clock-cells': + const: 0 + + reg: + maxItems: 1 + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + description: CSI-2 Input port + + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: + minItems: 1 + maxItems: 4 + + lane-polarities: + minItems: 1 + maxItems: 5 + + bus-type: + enum: + - 1 # MEDIA_BUS_TYPE_CSI2_CPHY + - 4 # MEDIA_BUS_TYPE_CSI2_DPHY + + required: + - data-lanes + - bus-type + + port@1: + $ref: /schemas/graph.yaml#/properties/port + unevaluatedProperties: false + description: GMSL Output port + + required: + - port@1 + + i2c-gate: + $ref: /schemas/i2c/i2c-gate.yaml + unevaluatedProperties: false + description: + The MAX96717 will forward the I2C requests from the + incoming GMSL2 link. Therefore, it supports an i2c-gate + subnode to configure a sensor. + +required: + - compatible + - reg + - ports + +additionalProperties: false + +examples: + - | + #include + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + serializer: serializer@40 { + compatible = "maxim,max96717f", "maxim,max96717"; + reg = <0x40>; + gpio-controller; + #gpio-cells = <2>; + #clock-cells = <0>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + max96717f_csi_in: endpoint { + bus-type = ; + data-lanes = <1 2 3 4>; + remote-endpoint = <&sensor_out>; + }; + }; + + port@1 { + reg = <1>; + max96917f_gmsl_out: endpoint { + remote-endpoint = <&deser_gmsl_in>; + }; + }; + }; + + i2c-gate { + #address-cells = <1>; + #size-cells = <0>; + sensor@10 { + compatible = "st,st-vgxy61"; + reg = <0x10>; + reset-gpios = <&serializer 0 GPIO_ACTIVE_LOW>; + clocks = <&serializer>; + VCORE-supply = <&v1v2>; + VDDIO-supply = <&v1v8>; + VANA-supply = <&v2v8>; + port { + sensor_out: endpoint { + data-lanes = <1 2 3 4>; + remote-endpoint = <&max96717f_csi_in>; + }; + }; + }; + }; + }; + }; +... -- 2.44.0