From patchwork Mon Nov 25 09:21:40 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yuji Ishikawa X-Patchwork-Id: 13884634 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 0F884D3B7F6 for ; Mon, 25 Nov 2024 09:29:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=5hDtgLX4DHVA8GZcFRzzjSyP/msDmDl1GewnoAmFENU=; b=TWrYtWBarHoqQfPrqU2MW7/xFs reVogWQaHIPNchcB88EIdu8n8L4gRNUl3x4zi4QKBw1HmxoFHSSKrY1waniEQiFf91kF6UJ7MAwLV yZu4XGTwB7u25bYrHGiz7BTy4f1YtyGjAg1cVBb21R1xTO8M8aTqPRnE53wBrv9IlG4o0rekc1J27 KQGkiBeXhENz+VEmXqRC5eIJWHOjTN2karCtRFAererIYjagXuuiqEN89PmAJu4eABeTC7/keBG1n +WjEF0/rsF1LfSG8Aenb4T/AJLHCsZwXgNaHKhu5U2Hdj3geq9sYTiab6kY6+/Zzn8R7CGPB0N2qg Fw5y/vWw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tFVPS-00000007Z3M-2KWc; Mon, 25 Nov 2024 09:29:34 +0000 Received: from mo-csw1800.securemx.jp ([210.130.202.134] helo=mo-csw.securemx.jp) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tFVNZ-00000007Yir-0LEZ for linux-arm-kernel@lists.infradead.org; Mon, 25 Nov 2024 09:27:38 +0000 DKIM-Signature: v=1;a=rsa-sha256;c=relaxed/simple;d=toshiba.co.jp;h=From:To:Cc :Subject:Date:Message-Id:In-Reply-To:References:MIME-Version: Content-Transfer-Encoding;i=yuji2.ishikawa@toshiba.co.jp;s=key2.smx;t= 1732526832;x=1733736432;bh=Qr2pR5iOFRSZ7+g1nq5Xf9e/SUtdQos9mUpQSfloGDA=;b=lvI L7ATLHp6dSGjnKwSK8Da4e0uIogyTReWWuXo5KI0bM59tSckzXRoE2qzlW1hThceXYDpLFTjsDmqd LtC8ko4GmAltxivM3q3uq9FmXDdd7LWTOXT4gLxpx9GFblKkxyf04tIm38QWEn01CybXqDWBglxJy wfKH2It+dBRWwOwBXQCtrkDIv5+jtHfeDWFCOcOlTizfBXtaKZ4jK9sRMFmlr/Y86Ty2kBH1UFxZy UscyqlwwHknh3T67GJFs2mN7qWSO0z5JTMxQSRCdYtLXxZeDXQvrN9KNlQ8HRgGBAV48mKYyaZBKL EO+mcM50BA3FDWM03YI+cgEbqa92/cg==; Received: by mo-csw.securemx.jp (mx-mo-csw1800) id 4AP9RBDL023848; Mon, 25 Nov 2024 18:27:11 +0900 X-Iguazu-Qid: 2yAb1JZRvDQIMBFaAE X-Iguazu-QSIG: v=2; s=0; t=1732526831; q=2yAb1JZRvDQIMBFaAE; m=/swN041lxFAH+9+RIDcVzDvhh2V5tx9Y49KeY+kjvec= Received: from imx12-a.toshiba.co.jp ([38.106.60.135]) by relay.securemx.jp (mx-mr1801) id 4AP9R9Wd512264 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Mon, 25 Nov 2024 18:27:10 +0900 X-SA-MID: 32872672 From: Yuji Ishikawa To: Laurent Pinchart , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sakari Ailus , Hans Verkuil , Nobuhiro Iwamatsu , Yuji Ishikawa Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Subject: [PATCH v12 2/8] dt-bindings: media: platform: visconti: Add Toshiba Visconti Video Input Interface Date: Mon, 25 Nov 2024 18:21:40 +0900 X-TSB-HOP2: ON Message-Id: <20241125092146.1561901-3-yuji2.ishikawa@toshiba.co.jp> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241125092146.1561901-1-yuji2.ishikawa@toshiba.co.jp> References: <20241125092146.1561901-1-yuji2.ishikawa@toshiba.co.jp> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241125_012737_315569_9F737616 X-CRM114-Status: GOOD ( 16.80 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Adds the Device Tree binding documentation that allows to describe the Video Input Interface found in Toshiba Visconti SoCs. Signed-off-by: Yuji Ishikawa Reviewed-by: Nobuhiro Iwamatsu --- Changelog v2: - no change Changelog v3: - no change Changelog v4: - fix style problems at the v3 patch - remove "index" member - update example Changelog v5: - no change Changelog v6: - add register definition of BUS-IF and MPU Changelog v7: - remove trailing "bindings" from commit header message - remove trailing "Device Tree Bindings" from title - fix text wrapping of description - change compatible to visconti5-viif - explicitly define allowed properties for port::endpoint Changelog v8: - Suggestion from Krzysztof Kozlowski - rename bindings description file - use block style array instead of inline style - remove clock-lane (as it is fixed at position 0) - update sample node's name - use lowercase hex for literals - Suggestion from Laurent Pinchart - update description message port::description - remove port::endpoint::bus-type as it is fixed to <4> - remove port::endpoint::clock-lanes from example - add port::endpoint::data-lanes to required parameters list - fix sequence of data-lanes: <1 2 3 4> because current driver does not support data reordering - update port::endpoint::data-lanes::description - remove redundant type definition for port::endpoint::data-lanes Changelog v9: - place "required" after "properties" - dictionary ordering of properties Changelog v10: - no change Changelog v11: - no change Changelog v12: - remove property "clock-noncontinuous" as VIIF switches both modes automatically - remove property "link-frequencies" as VIIF does not use the information - remove reg[2] and interrupts[3] which are used for CSI2RX driver - update example to refer csi2rx for remote-endpoint .../media/toshiba,visconti5-viif.yaml | 95 +++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/toshiba,visconti5-viif.yaml diff --git a/Documentation/devicetree/bindings/media/toshiba,visconti5-viif.yaml b/Documentation/devicetree/bindings/media/toshiba,visconti5-viif.yaml new file mode 100644 index 000000000000..ef0452a47e98 --- /dev/null +++ b/Documentation/devicetree/bindings/media/toshiba,visconti5-viif.yaml @@ -0,0 +1,95 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/toshiba,visconti5-viif.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Toshiba Visconti5 SoC Video Input Interface + +maintainers: + - Nobuhiro Iwamatsu + +description: |- + Toshiba Visconti5 SoC Video Input Interface (VIIF) receives videostream + from MIPI CSI-2 receiver device, processes the stream with image signal + processors (L1ISP, L2ISP), then stores pictures to main memory. + +properties: + compatible: + const: toshiba,visconti5-viif + + reg: + items: + - description: Registers for capture control + - description: Registers for bus interface unit control + - description: Registers for Memory Protection Unit + + interrupts: + items: + - description: Sync Interrupt + - description: Status (Error) Interrupt + - description: L1ISP Interrupt + + port: + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + description: CSI-2 input port, with a single endpoint connected to the CSI-2 transmitter. + + properties: + endpoint: + $ref: video-interfaces.yaml# + additionalProperties: false + + properties: + data-lanes: + description: VIIF supports 1, 2, 3 or 4 data lanes + minItems: 1 + items: + - const: 1 + - const: 2 + - const: 3 + - const: 4 + + remote-endpoint: true + + required: + - data-lanes + - remote-endpoint + +required: + - compatible + - reg + - interrupts + - port + +additionalProperties: false + +examples: + - | + #include + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + video@1c000000 { + compatible = "toshiba,visconti5-viif"; + reg = <0 0x1c000000 0 0x6000>, + <0 0x1c00e000 0 0x1000>, + <0 0x2417a000 0 0x1000>; + interrupts = , + , + ; + + port { + #address-cells = <1>; + #size-cells = <0>; + + csi_in0: endpoint { + data-lanes = <1 2>; + remote-endpoint = <&csi2rx_out0>; + }; + }; + }; + };