From patchwork Fri Sep 14 22:48:40 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis de Oliveira X-Patchwork-Id: 10601289 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CC0EC157B for ; Fri, 14 Sep 2018 22:51:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AE9042BA1C for ; Fri, 14 Sep 2018 22:51:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A25EF2BA1E; Fri, 14 Sep 2018 22:51:13 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3C7D32BA1C for ; Fri, 14 Sep 2018 22:51:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727009AbeIOEHh (ORCPT ); Sat, 15 Sep 2018 00:07:37 -0400 Received: from smtprelay.synopsys.com ([198.182.47.9]:45670 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725198AbeIOEHh (ORCPT ); Sat, 15 Sep 2018 00:07:37 -0400 Received: from mailhost.synopsys.com (mailhost2.synopsys.com [10.13.184.66]) by smtprelay.synopsys.com (Postfix) with ESMTP id 880FE24E16A9; Fri, 14 Sep 2018 15:51:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1536965466; bh=jlchJUNAEyg+3WEw4BobU4J12aTphTdtuvICHSjp40k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VR5fSPztUNWLN4ju2DMoPqiJLNYxxX1REjXMAl/FzHtUKm8Fs9P28kvxWBi/MohKC EN+yAqVSKvf8ToyWCjHdeKpIZGJcrnj5c7uMMThGrbJfaTtxIIZIlW1jzpay8sHWP8 k7jR0AD58o5xy33i0c4huCB+e0Z29Xnts8RezGEEUWuHxXcU8gHibBY/G+/yKH5VAv r1PZDG87LBB4GU4HkBNnI3RKJIzY7uzTcVz5otA81XxDXHmno1noJm9A16FArnhxH/ fZ6QeJfQuCbLO3/jDTON7SdAcPUI0OfzKuhHH2ERAKzbbhahHHXnYt+/nHQkggZN3m dOjtFMHrua0+g== Received: from de02.synopsys.com (germany.internal.synopsys.com [10.225.17.21]) by mailhost.synopsys.com (Postfix) with ESMTP id 33BB63F5D; Fri, 14 Sep 2018 15:51:06 -0700 (PDT) Received: from de02dwemt291.internal.synopsys.com (de02dwemt291.internal.synopsys.com [10.225.18.65]) by de02.synopsys.com (Postfix) with ESMTP id 262623EF6A; Sat, 15 Sep 2018 00:51:05 +0200 (CEST) Received: from de02dwemt291.internal.synopsys.com (localhost [127.0.0.1]) by de02dwemt291.internal.synopsys.com (8.14.4/8.12.3) with ESMTP id w8EMp2jM027396; Sat, 15 Sep 2018 00:51:02 +0200 Received: (from lolivei@localhost) by de02dwemt291.internal.synopsys.com (8.14.4/8.14.4/Submit) id w8EMouoN027395; Sat, 15 Sep 2018 00:50:56 +0200 From: Luis Oliveira To: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Cc: all-jpinto-org-pt02@synopsys.com, Luis Oliveira , Luis Oliveira , Mauro Carvalho Chehab , Rob Herring , Mark Rutland , Hans Verkuil , Geert Uytterhoeven , Laurent Pinchart , Arnd Bergmann , Jacob Chen , Neil Armstrong , Keiichi Watanabe , Kate Stewart , Philipp Zabel , Todor Tomov , devicetree@vger.kernel.org Subject: [PATCH 4/5] Documentation: dt-bindings: Document bindings for DW MIPI CSI-2 Host Date: Sat, 15 Sep 2018 00:48:40 +0200 Message-Id: <20180914224849.27173-5-lolivei@synopsys.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20180914224849.27173-1-lolivei@synopsys.com> References: <20180914224849.27173-1-lolivei@synopsys.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add bindings for Synopsys DesignWare MIPI CSI-2 host. Signed-off-by: Luis Oliveira --- .../devicetree/bindings/media/snps,dw-csi-plat.txt | 74 ++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/snps,dw-csi-plat.txt diff --git a/Documentation/devicetree/bindings/media/snps,dw-csi-plat.txt b/Documentation/devicetree/bindings/media/snps,dw-csi-plat.txt new file mode 100644 index 0000000..0cc2915 --- /dev/null +++ b/Documentation/devicetree/bindings/media/snps,dw-csi-plat.txt @@ -0,0 +1,74 @@ +Synopsys DesignWare CSI-2 Host controller + +Description +----------- + +This HW block is used to receive image coming from an MIPI CSI-2 compatible +camera. + +Required properties: +- compatible: shall be "snps,dw-csi-plat" +- reg : physical base address and size of the device memory mapped + registers; +- interrupts : CSI-2 Host interrupt +- snps,output-type : Core output to be used (IPI-> 0 or IDI->1 or BOTH->2) These + values choose which of the Core outputs will be used, it + can be Image Data Interface or Image Pixel Interface. +- phys : List of one PHY specifier (as defined in + Documentation/devicetree/bindings/phy/phy-bindings.txt). + This PHY is a MIPI DPHY working in RX mode. +- resets : Reference to a reset controller (optional) + +Optional properties(if in IPI mode): +- snps,ipi-mode : Mode to be used when in IPI(Camera -> 0 or Controller -> 1) + This property defines if the controller will use the video + timings available + in the video stream or if it will use pre-defined ones. +- snps,ipi-color-mode : Bus depth to be used in IPI (48 bits -> 0 or 16 bits -> 1) + This property defines the width of the IPI bus. +- snps,ipi-auto-flush : Data auto-flush (1 -> Yes or 0 -> No). This property defines + if the data is automatically flushed in each vsync or if + this process is done manually +- snps,virtual-channel : Virtual channel where data is present when in IPI mode. This + property chooses the virtual channel which IPI will use to + retrieve the video stream. + +The per-board settings: + - port sub-node describing a single endpoint connected to the camera as + described in video-interfaces.txt[1]. + +Example: + + csi2_1: csi2@3000 { + compatible = "snps,dw-csi-plat"; + #address-cells = <1>; + #size-cells = <0>; + reg = < 0x03000 0x7FF>; + interrupts = <2>; + output-type = <2>; + resets = <&dw_rst 1>; + phys = <&mipi_dphy_rx1 0>; + phy-names = "csi2-dphy"; + + /* IPI optional Configurations */ + snps,ipi-mode = <0>; + snps,ipi-color-mode = <0>; + snps,ipi-auto-flush = <1>; + snps,virtual-channel = <0>; + + /* CSI-2 per-board settings */ + port@1 { + reg = <1>; + csi1_ep1: endpoint { + remote-endpoint = <&camera_1>; + data-lanes = <1 2>; + }; + }; + port@2 { + csi1_ep2: endpoint { + remote-endpoint = <&vif1_ep>; + }; + }; + }; + +