[v2,0/4] Add driver for CSI2 and CRU modules found on Renesas RZ/G2L SoC
Message ID | 20220905230406.30801-1-prabhakar.mahadev-lad.rj@bp.renesas.com (mailing list archive) |
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Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from <linux-media-owner@vger.kernel.org>) id 1oVL9J-00EOnR-0R; Mon, 05 Sep 2022 23:05:03 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232471AbiIEXE4 (ORCPT <rfc822;mkrufky@linuxtv.org> + 1 other); Mon, 5 Sep 2022 19:04:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57772 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232002AbiIEXEz (ORCPT <rfc822;linux-media@vger.kernel.org>); Mon, 5 Sep 2022 19:04:55 -0400 Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 9885013DC8; Mon, 5 Sep 2022 16:04:49 -0700 (PDT) X-IronPort-AV: E=Sophos;i="5.93,292,1654527600"; d="scan'208";a="133796439" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 06 Sep 2022 08:04:48 +0900 Received: from localhost.localdomain (unknown [10.226.36.204]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id D3D40410101B; Tue, 6 Sep 2022 08:04:43 +0900 (JST) From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Mauro Carvalho Chehab <mchehab@kernel.org>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Philipp Zabel <p.zabel@pengutronix.de>, Jacopo Mondi <jacopo@jmondi.org>, =?utf-8?q?Niklas_S=C3=B6derlund?= <niklas.soderlund@ragnatech.se>, Sakari Ailus <sakari.ailus@linux.intel.com>, Hans Verkuil <hverkuil-cisco@xs4all.nl> Cc: Geert Uytterhoeven <geert+renesas@glider.be>, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar <prabhakar.csengg@gmail.com>, Biju Das <biju.das.jz@bp.renesas.com>, Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Subject: [PATCH v2 0/4] Add driver for CSI2 and CRU modules found on Renesas RZ/G2L SoC Date: Tue, 6 Sep 2022 00:04:02 +0100 Message-Id: <20220905230406.30801-1-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.17.1 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-media.vger.kernel.org> X-Mailing-List: linux-media@vger.kernel.org X-LSpam-Score: -2.4 (--) X-LSpam-Report: No, score=-2.4 required=5.0 tests=BAYES_00=-1.9,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no |
Message
Prabhakar Mahadev Lad
Sept. 5, 2022, 11:04 p.m. UTC
Hi All, This patch series aims to add driver support to CRU module found on Renesas RZ/G2L SoC. The Camera Data Receiving Unit (CRU) consists of a MIPI CSI-2 block and an Image Processing block. The Image Processing block can receive video data received from the external Digital Parallel Interface or MIPI CSI-2 block, and perform appropriate image processing for each. More details: * https://renesas.info/wiki/File:CRU.png * https://www.renesas.com/document/mah/rzg2l-group-rzg2lc-group-users-manual-hardware-0?language=en&r=1467981 Currently the driver has been tested using yavta and Gstreamer on RZ/G2L SMARC EVK using the ov5645 sensor on CSI2 interface only. 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 tags from Laurent * Marked port0/1 as required for cru node * Sorted Kconfig select * Prefixed generic names for struct/variables with rzg2_csi2 * Dropped unnecessary checks for remote source * Dropped exporting functions * Moved lane validation to probe * Split up rzg2l_csi2_dphy_setting() and rzg2l_csi2_mipi_link_setting() * Used rzg2l_csi2_write() wherever possible * Dropped stream_count/lock members from csi2 struct * Used active subdev state instead of manually storing format in driver * Implemented init_cfg/enum_frame_size/enum_mbus_code callbacks * Dropped check for bus_type of remote source * Switched to manually turning ON/OFF the clocks instead of pm_runtime so that the mipi/dhpy initialization happens as per the HW manual * Hardcoded VC0 usage for now as streams API is under development v1: - https://patchwork.kernel.org/project/linux-renesas-soc/cover/20220801214718.16943-1-prabhakar.mahadev-lad.rj@bp.renesas.com/ RFC v2: - https://patchwork.kernel.org/project/linux-renesas-soc/cover/20220121010543.31385-1-prabhakar.mahadev-lad.rj@bp.renesas.com/ RFC v1: - https://patchwork.kernel.org/project/linux-renesas-soc/cover/20211207012351.15754-1-prabhakar.mahadev-lad.rj@bp.renesas.com/ Cheers, Prabhakar Lad Prabhakar (4): media: dt-bindings: Document Renesas RZ/G2L CSI-2 block media: dt-bindings: Document Renesas RZ/G2L CRU block media: platform: Add Renesas RZ/G2L MIPI CSI-2 receiver driver media: platform: Add Renesas RZ/G2L CRU driver .../bindings/media/renesas,rzg2l-cru.yaml | 157 ++++ .../bindings/media/renesas,rzg2l-csi2.yaml | 140 ++++ drivers/media/platform/renesas/Kconfig | 1 + drivers/media/platform/renesas/Makefile | 1 + .../media/platform/renesas/rzg2l-cru/Kconfig | 34 + .../media/platform/renesas/rzg2l-cru/Makefile | 6 + .../platform/renesas/rzg2l-cru/rzg2l-core.c | 395 +++++++++ .../platform/renesas/rzg2l-cru/rzg2l-cru.h | 152 ++++ .../platform/renesas/rzg2l-cru/rzg2l-csi2.c | 761 ++++++++++++++++++ .../platform/renesas/rzg2l-cru/rzg2l-csi2.h | 46 ++ .../platform/renesas/rzg2l-cru/rzg2l-dma.c | 734 +++++++++++++++++ .../platform/renesas/rzg2l-cru/rzg2l-v4l2.c | 368 +++++++++ 12 files changed, 2795 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml create mode 100644 Documentation/devicetree/bindings/media/renesas,rzg2l-csi2.yaml create mode 100644 drivers/media/platform/renesas/rzg2l-cru/Kconfig create mode 100644 drivers/media/platform/renesas/rzg2l-cru/Makefile create mode 100644 drivers/media/platform/renesas/rzg2l-cru/rzg2l-core.c create mode 100644 drivers/media/platform/renesas/rzg2l-cru/rzg2l-cru.h create mode 100644 drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c create mode 100644 drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.h create mode 100644 drivers/media/platform/renesas/rzg2l-cru/rzg2l-dma.c create mode 100644 drivers/media/platform/renesas/rzg2l-cru/rzg2l-v4l2.c