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=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 C7950C433FF for ; Tue, 6 Aug 2019 14:35:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9959A2173C for ; Tue, 6 Aug 2019 14:35:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733003AbfHFOfV (ORCPT ); Tue, 6 Aug 2019 10:35:21 -0400 Received: from mail-out.m-online.net ([212.18.0.10]:40428 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732127AbfHFOfV (ORCPT ); Tue, 6 Aug 2019 10:35:21 -0400 Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 462xxd66Khz1rVv9; Tue, 6 Aug 2019 16:35:17 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 462xxd5cjNz1qqkR; Tue, 6 Aug 2019 16:35:17 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id QVD24-9x6PND; Tue, 6 Aug 2019 16:35:16 +0200 (CEST) X-Auth-Info: kmfsdWdhk3xGEqAJHCFnELOWoHi9xGAAMC918h47RyM= Received: from [IPv6:::1] (unknown [195.140.253.167]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Tue, 6 Aug 2019 16:35:16 +0200 (CEST) From: Marek Vasut Subject: Re: [PATCH 1/2] media: dt-bindings: Add Intersil ISL7998x DT bindings To: Sakari Ailus Cc: linux-media@vger.kernel.org, Mauro Carvalho Chehab , Rob Herring , devicetree@vger.kernel.org References: <20190520201812.7937-1-marex@denx.de> <20190701080457.acucsi6p3mlmbg75@paasikivi.fi.intel.com> Openpgp: preference=signencrypt Autocrypt: addr=marex@denx.de; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <20190701080457.acucsi6p3mlmbg75@paasikivi.fi.intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org On 7/1/19 10:04 AM, Sakari Ailus wrote: > Hi Marek, > > On Mon, May 20, 2019 at 10:18:11PM +0200, Marek Vasut wrote: >> Add bindings for the Intersil ISL7998x BT656-to-MIPI-CSI2 decoder. >> >> Signed-off-by: Marek Vasut >> Cc: Sakari Ailus >> Cc: Mauro Carvalho Chehab >> Cc: Rob Herring >> Cc: devicetree@vger.kernel.org >> To: linux-media@vger.kernel.org >> --- >> .../bindings/media/i2c/isl7998x.txt | 37 +++++++++++++++++++ >> 1 file changed, 37 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/media/i2c/isl7998x.txt >> >> diff --git a/Documentation/devicetree/bindings/media/i2c/isl7998x.txt b/Documentation/devicetree/bindings/media/i2c/isl7998x.txt >> new file mode 100644 >> index 000000000000..c21703983360 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/media/i2c/isl7998x.txt >> @@ -0,0 +1,37 @@ >> +Intersil ISL7998x BT656-to-MIPI-CSI2 decoder >> + >> +The Intersil ISL7998x is a BT656-to-MIPI-CSI decoder which, capable of >> +receiving up to four analog stream and multiplexing them into up to four >> +MIPI CSI2 virtual channels, using one MIPI clock lane and 1/2 data lanes. >> + >> +Required Properties: >> +- compatible: value should be "isil,isl79987" >> +- pd-gpios: a GPIO spec for the Power Down pin (active high) >> + >> +Option Properties: >> +- isil,num-inputs: Number of connected inputs (1, 2 or 4) > > The presence of ports describing connected Bt.656 inputs tells this. > >> + >> +For further reading on port node refer to >> +Documentation/devicetree/bindings/media/video-interfaces.txt. > > Which endpoint properties are relevant for the endpoint(s) in the CSI-2 port? clock-lanes, data-lanes and the remote-endpoint . > How about the ports describing the Bt.656 interfaces? You should have > those, too... So who would be connected to these analog "input" endpoint ? What would be their "remote-endpoint" ? >> + >> +Example: >> + >> + i2c_master { >> + isl7998x_mipi@44 { >> + compatible = "isil,isl79987"; >> + reg = <0x44>; >> + isil,num-inputs = <4>; >> + pinctrl-names = "default"; >> + pinctrl-0 = <&pinctrl_videoadc>; >> + pd-gpios = <&gpio3 27 GPIO_ACTIVE_HIGH>; >> + status = "okay"; >> + >> + port { >> + isl79987_to_mipi_csi2: endpoint { >> + remote-endpoint = <&mipi_csi2_in>; >> + clock-lanes = <0>; >> + data-lanes = <1 2>; >> + }; >> + }; >> + }; >> + }; >> > -- Best regards, Marek Vasut