From patchwork Tue Oct 4 23:43:40 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 612438 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 A58BDC433F5 for ; Tue, 4 Oct 2022 23:44:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230197AbiJDXoD (ORCPT ); Tue, 4 Oct 2022 19:44:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50848 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229531AbiJDXoB (ORCPT ); Tue, 4 Oct 2022 19:44:01 -0400 Received: from mail-wm1-x32e.google.com (mail-wm1-x32e.google.com [IPv6:2a00:1450:4864:20::32e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7E61D2FC1C; Tue, 4 Oct 2022 16:43:51 -0700 (PDT) Received: by mail-wm1-x32e.google.com with SMTP id fn7-20020a05600c688700b003b4fb113b86so174920wmb.0; Tue, 04 Oct 2022 16:43:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=PF7E73KQ1n1awp93A4zRltZY54I7cVFO2GfXjBhFNkc=; b=m6Yc1MsFCLGMHsjB44xY0/Gsns41ardIzKcPyprdX7GmqqFr6MDFw1Bx+xkJyl6kvw jeKXdug9NhgvWPc+ZbDqsa+Tken3OVf7y7To3zFsYAJTfMUzeo1s4gdjGOwoEDS7xlRc F0WwIGhBJQ6WpDe4xW7RZWOBWuUpdCvFmC799JXyVzTmMxE/112uvpg5bwcABBXezsu4 GQmjayAWQ9N7kg9y1LtCSqQW6ZLagd0ah3fZFMK8r1wqHUHmbGdg0zFDZMLK/wqYBR/H xGt5FcEKsp+db2W0LM08CRfPEQyJnRNtL6KhERtxKPsFsUQdWXi4Qs3BK7gUZLF2Jh5r XY8w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=PF7E73KQ1n1awp93A4zRltZY54I7cVFO2GfXjBhFNkc=; b=Dp+BlPwPu56BE2kpB2hODTC8HRZtUgtdlAWKkuT80qM2g1JXY16s9GkkToqnWTeVse qmhHlLD0Wk4zl/ieUgVnDpDwqz6uA3rlbCfajT+gz1RRgRKzYoIwv8T/38l25xIdjVEy s7Rz4v33RPzxZY6wa+imkqAH5796EBxkH0ybXVUc/McpvYldc9S2lPqrtrBfi6RI0+kt Nvyic/ghdOBPhbhd5SVAk36j02p98eWuuxQzJCT2phuD2m82FpqowfKWadaZfz7no/SZ yIKBENtM75H3tK3C0n28lF2Ig4G3ctsqEifXFVxJAz3NkElR7/iYBfN4Yh/5Wh2fBx5K lL7w== X-Gm-Message-State: ACrzQf0I/AZhzBh4QyyisVCuw1JaI6D4dqPe0MkDFb7dOZ9LkGOhsAUQ Y7czf2d6cDbWVhQhBmN48bA= X-Google-Smtp-Source: AMsMyM52JdH3g041V2hF90NquIfgzzDQoOk1+yK8kfpPtAoRLUm6NvofWj56nN8qypoSjWsg4uho1g== X-Received: by 2002:a05:600c:3b9e:b0:3b4:4cf1:9531 with SMTP id n30-20020a05600c3b9e00b003b44cf19531mr1398519wms.64.1664927030034; Tue, 04 Oct 2022 16:43:50 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2501:c701:a47e:e9a:dd40:f694]) by smtp.gmail.com with ESMTPSA id x5-20020a05600c2d0500b003b56be51313sm202461wmf.44.2022.10.04.16.43.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 04 Oct 2022 16:43:49 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Mauro Carvalho Chehab , Laurent Pinchart , Sakari Ailus , Rob Herring , Krzysztof Kozlowski , Philipp Zabel , Jacopo Mondi , =?utf-8?q?Niklas_S=C3=B6derlund?= , Hans Verkuil Cc: Geert Uytterhoeven , linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar , Biju Das , Lad Prabhakar , Laurent Pinchart , Krzysztof Kozlowski Subject: [PATCH v3 1/4] media: dt-bindings: Document Renesas RZ/G2L CSI-2 block Date: Wed, 5 Oct 2022 00:43:40 +0100 Message-Id: <20221004234343.54777-2-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221004234343.54777-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20221004234343.54777-1-prabhakar.mahadev-lad.rj@bp.renesas.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Lad Prabhakar Document the CSI-2 block which is part of CRU found in Renesas RZ/G2L (and alike) SoCs. Signed-off-by: Lad Prabhakar Reviewed-by: Laurent Pinchart Reviewed-by: Krzysztof Kozlowski --- v2 -> v3 * Updated clock names * Included presetn reset signal and added reset-names in CSI binding * Renamed csi20 -> csi for example node * Included RB tag from Krzysztof for patch#1 v1 -> v2 * Dropped media prefix from subject * Renamed node name csi20 -> csi * Used 4 spaces for indentation in example node * Dropped reset-names and interrupt-names properties * Dropped oneOf from compatible * Included RB tag from Laurent RFC v2 -> v1 * Fixed review comments pointed by Rob and Jacopo. RFC v1 -> RFC v2 * New patch --- .../bindings/media/renesas,rzg2l-csi2.yaml | 149 ++++++++++++++++++ 1 file changed, 149 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/renesas,rzg2l-csi2.yaml diff --git a/Documentation/devicetree/bindings/media/renesas,rzg2l-csi2.yaml b/Documentation/devicetree/bindings/media/renesas,rzg2l-csi2.yaml new file mode 100644 index 000000000000..67eea2ac1d22 --- /dev/null +++ b/Documentation/devicetree/bindings/media/renesas,rzg2l-csi2.yaml @@ -0,0 +1,149 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright (C) 2022 Renesas Electronics Corp. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/renesas,rzg2l-csi2.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas RZ/G2L (and alike SoC's) MIPI CSI-2 receiver + +maintainers: + - Lad Prabhakar + +description: + The CSI-2 receiver device provides MIPI CSI-2 capabilities for the Renesas RZ/G2L + (and alike SoCs). MIPI CSI-2 is part of the CRU block which is used in conjunction + with the Image Processing module, which provides the video capture capabilities. + +properties: + compatible: + items: + - enum: + - renesas,r9a07g044-csi2 # RZ/G2{L,LC} + - renesas,r9a07g054-csi2 # RZ/V2L + - const: renesas,rzg2l-csi2 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: Internal clock for connecting CRU and MIPI + - description: CRU Main clock + - description: CRU Register access clock + + clock-names: + items: + - const: system + - const: video + - const: apb + + power-domains: + maxItems: 1 + + resets: + items: + - description: CRU_PRESETN reset terminal + - description: CRU_CMN_RSTB reset terminal + + reset-names: + items: + - const: presetn + - const: cmn-rstb + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + description: + Input port node, single endpoint describing the CSI-2 transmitter. + + properties: + endpoint: + $ref: video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: + minItems: 1 + maxItems: 4 + items: + maximum: 4 + + required: + - clock-lanes + - data-lanes + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: + Output port node, Image Processing block connected to the CSI-2 receiver. + + required: + - port@0 + - port@1 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - power-domains + - resets + - reset-names + - ports + +additionalProperties: false + +examples: + - | + #include + #include + + csi: csi@10830400 { + compatible = "renesas,r9a07g044-csi2", "renesas,rzg2l-csi2"; + reg = <0x10830400 0xfc00>; + interrupts = ; + clocks = <&cpg CPG_MOD R9A07G044_CRU_SYSCLK>, + <&cpg CPG_MOD R9A07G044_CRU_VCLK>, + <&cpg CPG_MOD R9A07G044_CRU_PCLK>; + clock-names = "system", "video", "apb"; + power-domains = <&cpg>; + resets = <&cpg R9A07G044_CRU_PRESETN>, + <&cpg R9A07G044_CRU_CMN_RSTB>; + reset-names = "presetn", "cmn-rstb"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + csi2_in: endpoint { + clock-lanes = <0>; + data-lanes = <1 2>; + remote-endpoint = <&ov5645_ep>; + }; + }; + + port@1 { + #address-cells = <1>; + #size-cells = <0>; + + reg = <1>; + + csi2cru: endpoint@0 { + reg = <0>; + remote-endpoint = <&crucsi2>; + }; + }; + }; + };