From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E7B82C4361B for ; Tue, 8 Dec 2020 19:56:05 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7853D23C32 for ; Tue, 8 Dec 2020 19:56:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7853D23C32 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Zu6VJEhj7Lz3SKz2TFrqePF+NeR/gZeXW/SxDtYEnPs=; b=yxOWdHhjj5EGufzEdotlpJQad bbqjAOiL49lxKQ2GG15urwbUuiz0bHTtHu+tsNsRZFVNeVDiT4Re1MFl7ZsKNbDT99fVTbkhN2OYn msgK0+65mfhzXXj7KGZXdrPxgMnSzdF4UH8oAZ4QyjgDPklc2AILmjfx9fEX2E8WPSBIfZPAINx+x rmNkpD0+/p2kcgL0NpvtHsU8mO7XqsA4LGbDuwu+JxyF3GpZKPuuty2an+PmyLD6gF11aTPKMVm5h FbZwvi8iFqcj7jDEyo99zHnA+J01l2+avKU4hieXIaQGw3oImy46XCobCR8/O2DO+e+Gehr6/9+Im yPggl6hMA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kmj4J-0000OG-JT; Tue, 08 Dec 2020 19:54:39 +0000 Received: from mail-ot1-f68.google.com ([209.85.210.68]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kmj4H-0000Na-0b for linux-arm-kernel@lists.infradead.org; Tue, 08 Dec 2020 19:54:38 +0000 Received: by mail-ot1-f68.google.com with SMTP id j12so16919620ota.7 for ; Tue, 08 Dec 2020 11:54:36 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=QxevaX9hHJqThS0h+1tu93etIkBHDGFZ0rujAfMqWBU=; b=UAO3krLcmzgsIwj0xI30qB7NpePsgB2iv1m9RoIWK7uRdDRSk9TIG0s1R9EYfXFyaX SH995cA6PxkSThHLUm6GhdYUkzVZ5+F69lCnrqGw9IDQKc9q98IHXExjxLMHas3nEBPk Z1z80OutSkU0oT5DLvxlQwAX3jOynyzvS52r+Fg18jurF0A4oAf6LqQIW+y6RnT84DYS +yuQ2B30OS2u8d0fU4IVMX0Db+kYNmpryB1secmNVJuCo1LTB0FZAFjDf+xd6S1tu+Cm bONykwWQhasuW+wr5K3Sdt2KlxqMChsGIwRfQ8lAzrmc1K4bFV9nSiHMW4xwz3kzJSFn y9fg== X-Gm-Message-State: AOAM533l1HBUbzTd7qzTy8e2TlCsUHvVrzQFB2Cw024YVyFgxQ4TgdYd A/dEcDmknz5k05jpaMVGDg== X-Google-Smtp-Source: ABdhPJzCUquUPkk4QcEOY3Zw0x6ce2Fw4YZ0IvyhJ84rgBYmuVMaX6uzvrqVOqNJYEjlVUOHQDs46g== X-Received: by 2002:a05:6830:1d8c:: with SMTP id y12mr17836523oti.34.1607457275947; Tue, 08 Dec 2020 11:54:35 -0800 (PST) Received: from xps15 (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id n3sm3887074oif.42.2020.12.08.11.54.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Dec 2020 11:54:34 -0800 (PST) Received: (nullmailer pid 2975909 invoked by uid 1000); Tue, 08 Dec 2020 19:54:32 -0000 Date: Tue, 8 Dec 2020 13:54:32 -0600 From: Rob Herring To: Paul Kocialkowski Subject: Re: [PATCH v2 06/19] dt-bindings: media: sun6i-a31-csi: Add MIPI CSI-2 input port Message-ID: <20201208195432.GA2973474@robh.at.kernel.org> References: <20201128142839.517949-1-paul.kocialkowski@bootlin.com> <20201128142839.517949-7-paul.kocialkowski@bootlin.com> <20201201104321.rl3ujt5pjre6xlmm@gilmour> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201208_145437_083645_C520C1D4 X-CRM114-Status: GOOD ( 34.54 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dafna Hirschfeld , linux-doc@vger.kernel.org, linux-sunxi@googlegroups.com, Thomas Petazzoni , kevin.lhopital@hotmail.com, devel@driverdev.osuosl.org, Jonathan Corbet , Kishon Vijay Abraham I , Chen-Yu Tsai , Hans Verkuil , linux-media@vger.kernel.org, devicetree@vger.kernel.org, Sakari Ailus , Helen Koike , Maxime Ripard , Yong Deng , Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, Jernej Skrabec , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, Vinod Koul , Philipp Zabel Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Dec 02, 2020 at 03:16:44PM +0100, Paul Kocialkowski wrote: > Hi, > > On Tue 01 Dec 20, 11:43, Maxime Ripard wrote: > > On Sat, Nov 28, 2020 at 03:28:26PM +0100, Paul Kocialkowski wrote: > > > The A31 CSI controller supports two distinct input interfaces: > > > parallel and an external MIPI CSI-2 bridge. The parallel interface > > > is often connected to a set of hardware pins while the MIPI CSI-2 > > > bridge is an internal FIFO-ish link. As a result, these two inputs > > > are distinguished as two different ports. > > > > > > Note that only one of the two may be present on a controller instance. > > > For example, the V3s has one controller dedicated to MIPI-CSI2 and one > > > dedicated to parallel. > > > > > > Update the binding with an explicit ports node that holds two distinct > > > port nodes: one for parallel input and one for MIPI CSI-2. > > > > > > This is backward-compatible with the single-port approach that was > > > previously taken for representing the parallel interface port, which > > > stays enumerated as fwnode port 0. However, it is now marked as > > > deprecated and the multi-port approach should be preferred. > > > > > > Note that additional ports may be added in the future, especially to > > > support feeding the CSI controller's output to the ISP. > > > > > > Signed-off-by: Paul Kocialkowski > > > --- > > > .../media/allwinner,sun6i-a31-csi.yaml | 86 ++++++++++++++++--- > > > 1 file changed, 73 insertions(+), 13 deletions(-) > > > > > > diff --git a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml > > > index 1fd9b5532a21..3bcee2d44f3c 100644 > > > --- a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml > > > +++ b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml > > > @@ -43,6 +43,7 @@ properties: > > > # See ./video-interfaces.txt for details > > > port: > > > type: object > > > + deprecated: true > > > > I'm not sure we want to deprecate it. There's some SoCs with the same > > controller but without the MIPI-CSI block where this would be completely > > valid > > I think we'll need to deprecate it when adding support for the ISP anyway, > so I figured we might as well do it now. But I'm okay to postpone this for now. > > > > properties: > > > endpoint: > > > @@ -67,6 +68,59 @@ properties: > > > > > > additionalProperties: false > > > > > > + ports: > > > + type: object > > > + > > > + properties: > > > + port@0: > > > + type: object > > > + description: Parallel input port, connect to a parallel sensor > > > + > > > + properties: > > > + reg: > > > + const: 0 > > > + > > > + endpoint: > > > + type: object > > > + > > > + properties: > > > + remote-endpoint: true > > > + > > > + bus-width: > > > + enum: [ 8, 10, 12, 16 ] > > > + > > > + pclk-sample: true > > > + hsync-active: true > > > + vsync-active: true > > > + > > > + required: > > > + - bus-width > > > + - remote-endpoint > > > + > > > + required: > > > + - endpoint > > > + > > > + additionalProperties: false > > > + > > > + port@1: > > > + type: object > > > + description: MIPI CSI-2 bridge input port > > > + > > > + properties: > > > + reg: > > > + const: 1 > > > + > > > + endpoint: > > > + type: object > > > + > > > + properties: > > > + remote-endpoint: true > > > + > > > + required: > > > + - remote-endpoint > > > + > > > + additionalProperties: false > > > > There's a schema for the OF-graph now, you'll want to use it. > > I didn't know that, thanks for the tip! Will look into it. There's about to be. Don't use what's in graph.yaml (in dt-schema) yet. Rob _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel