From patchwork Thu Dec 30 12:33:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Niklas_S=C3=B6derlund?= X-Patchwork-Id: 12701424 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id ABDF1C433EF for ; Thu, 30 Dec 2021 12:34:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239331AbhL3Meu (ORCPT ); Thu, 30 Dec 2021 07:34:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42274 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239200AbhL3Met (ORCPT ); Thu, 30 Dec 2021 07:34:49 -0500 Received: from mail-ed1-x535.google.com (mail-ed1-x535.google.com [IPv6:2a00:1450:4864:20::535]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4C0A1C061574 for ; Thu, 30 Dec 2021 04:34:49 -0800 (PST) Received: by mail-ed1-x535.google.com with SMTP id j21so97479461edt.9 for ; Thu, 30 Dec 2021 04:34:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ragnatech-se.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=7QMAbInQWbhdL1E+VTSWG9korXtCZ6MuxVQuJfwgF3c=; b=AkSItWLccvNn24tFuxlyVWyM4dznvns4GQO+o/s/573FIurTAJIjUpqAoe/dxcv+pC JB1sfAf0H4gLInAhKMcaXJ9sH54hgVea/Hd9oJsQSd3GhodvQXJ+6IytFAtBQwArmj6F suMg71uW2iGCmSHXYKZduEcQqfWHs53uDEgLFYNbCaDF5aUhDCImd+EiMGLgWpScDJLW MA7k3jJQ80Gp4FaN37Gw9ENiJu4PpA4Xfg655MfO/51dBWysla/+csS1EXC9MOEujkzC C3T9sVtwq4NhKWir7Abj0TEHYQYtNQNESy31c7q5a9SVzyHRolT1vYdth1RJ5NQR/n84 lGHQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=7QMAbInQWbhdL1E+VTSWG9korXtCZ6MuxVQuJfwgF3c=; b=W0IMIbRa9QthdF15H+kagksVybD12NdsCg7b44hWOlE27azVx1CcqVnXBA86qLFNPW MjzTZoSeMVaLTRsJ5s06WQT5Dxy0qDXAuVn6Lg54WNgRJLQa9FPCyNKOYzw5EP8TFLwG gnTLduL8CyTsuMvs4avsh+bjZqAlaAqo1PwBJZBitzG5U5nFsUk8Le0/751jdlCg5inV NoZsa27b3vrCVaxq+YcSAJh6RPCiKQsZ+bIU+2zlXjnFmvzEZZbNX0gsuXUSIsRrvsU8 CEnnMwMD+oWVWRqEFEzKBLCJ/1qlGKk6GM+JFffm1g+n0j4PGRl4KK0gLNu6Bjf22Pfr B/Dw== X-Gm-Message-State: AOAM531A6xRvLufE54Gh0hF9ENE6Db+n67vvgba1WNsXFsuebIUmRXNt LdYc/ZseWhKhS5EmCkEWvMF50A== X-Google-Smtp-Source: ABdhPJzRFuexvkjov6vVpqH/XtDVbbJxBNRBucQxsWwpIGPZbl170Nm6YMPoQ0sTGu9dp+RMAd/wwQ== X-Received: by 2002:a05:6402:42d5:: with SMTP id i21mr30081570edc.27.1640867687683; Thu, 30 Dec 2021 04:34:47 -0800 (PST) Received: from localhost.localdomain ([185.224.57.161]) by smtp.googlemail.com with ESMTPSA id sb10sm7593634ejc.121.2021.12.30.04.34.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Dec 2021 04:34:47 -0800 (PST) From: =?utf-8?q?Niklas_S=C3=B6derlund?= To: Rob Herring , devicetree@vger.kernel.org, linux-media@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, =?utf-8?q?Niklas_S=C3=B6derlund?= , Kieran Bingham Subject: [PATCH v3] dt-bindings: i2c: maxim,max96712: Add bindings for Maxim Integrated MAX96712 Date: Thu, 30 Dec 2021 13:33:54 +0100 Message-Id: <20211230123354.623876-1-niklas.soderlund+renesas@ragnatech.se> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add bindings for Maxim Integrated MAX96712 deserializer. The MAX96712 deserializer converts GMSL2 or GMSL1 serial inputs into MIPI CSI-2 D-PHY or C-PHY formatted outputs. Signed-off-by: Niklas Söderlund Reviewed-by: Kieran Bingham --- * Changes since v1 - Fixed spelling in binding description. - Drop 'staging' per Rob's suggestion. * Changes since v2 - Fix the $id file path. --- .../bindings/media/i2c/maxim,max96712.yaml | 111 ++++++++++++++++++ 1 file changed, 111 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/maxim,max96712.yaml diff --git a/Documentation/devicetree/bindings/media/i2c/maxim,max96712.yaml b/Documentation/devicetree/bindings/media/i2c/maxim,max96712.yaml new file mode 100644 index 0000000000000000..444f24838d3d8992 --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/maxim,max96712.yaml @@ -0,0 +1,111 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2021 Renesas Electronics Corp. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/i2c/maxim,max96712.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Quad GMSL2 to CSI-2 Deserializer with GMSL1 Compatibility + +maintainers: + - Niklas Söderlund + +description: | + The MAX96712 deserializer converts GMSL2 or GMSL1 serial inputs into MIPI + CSI-2 D-PHY or C-PHY formatted outputs. The device allows each link to + simultaneously transmit bidirectional control-channel data while forward + video transmissions are in progress. The MAX96712 can accommodate as many as + four remotely located sensors using industry-standard coax or STP + interconnects. + + Each GMSL2 serial link operates at a fixed rate of 3Gbps or 6Gbps in the + forward direction and 187.5Mbps in the reverse direction. In GMSL1 mode, the + MAX96712 can be paired with first-generation 3.12Gbps or 1.5Gbps GMSL1 + serializers or operate up to 3.12Gbps with GMSL2 serializers in GMSL1 mode. + +properties: + compatible: + const: maxim,max96712 + + reg: + description: I2C device address + maxItems: 1 + + enable-gpios: true + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: GMSL Input 0 + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: GMSL Input 1 + + port@2: + $ref: /schemas/graph.yaml#/properties/port + description: GMSL Input 2 + + port@3: + $ref: /schemas/graph.yaml#/properties/port + description: GMSL Input 3 + + port@4: + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + description: CSI-2 Output + + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: true + + required: + - data-lanes + + required: + - port@4 + +required: + - compatible + - reg + - ports + +additionalProperties: false + +examples: + - | + #include + + i2c@e6508000 { + #address-cells = <1>; + #size-cells = <0>; + + reg = <0 0xe6508000>; + + gmsl0: gmsl-deserializer@49 { + compatible = "maxim,max96712"; + reg = <0x49>; + enable-gpios = <&pca9654_a 0 GPIO_ACTIVE_HIGH>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@4 { + reg = <4>; + max96712_out0: endpoint { + clock-lanes = <0>; + data-lanes = <1 2 3 4>; + remote-endpoint = <&csi40_in>; + }; + }; + }; + }; + };