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=-7.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,USER_AGENT_NEOMUTT 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 E2FB9C43387 for ; Wed, 9 Jan 2019 12:29:54 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 B750D20665 for ; Wed, 9 Jan 2019 12:29:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="e4RtDigC" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B750D20665 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=iki.fi Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-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=bombadil.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=RTYYB/wqinIUhY/BZKzjSRqANS1A8bk/E1XEF9C0Fqg=; b=e4RtDigCQFmu6n J0U6v2J3FkXI2di5VutAWaVA0w18d2/qlkakXg6dv4iUOKWdRhqTW7ZmjJ7TBbP40YbJu04jnQdK+ +GDE7aZfLp2HzBr5RooyMIZgFXHh0ivkSS/yeOW9RQlAIwJ/ecH2YIPaB/P1qThMGM8egSLjySXW/ Mt+VQzwRg7Mwvcd6jt0mTZSaOchh4pvRl9IZJ10t4J0E37CfeW/zP5LXZokQdqI4TMoBJitz8HWN6 /2Mzm9xb68HE5n2mCpJKc9tUDvijzOKmOKdfZiBlipFhzdafc0zHflE+2ntfjUXNmNhdL8BsJgo7O 5+kpCyT1HtVlOYAjnGBA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1ghCzW-0003Hz-S0; Wed, 09 Jan 2019 12:29:50 +0000 Received: from hillosipuli.retiisi.org.uk ([2001:1bc8:1a6:d3d5::81:2]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1ghCzQ-0003HT-DW for linux-arm-kernel@lists.infradead.org; Wed, 09 Jan 2019 12:29:46 +0000 Received: from valkosipuli.localdomain (valkosipuli.retiisi.org.uk [IPv6:2001:1bc8:1a6:d3d5::80:2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by hillosipuli.retiisi.org.uk (Postfix) with ESMTPS id 4B9EE634C7F; Wed, 9 Jan 2019 14:28:25 +0200 (EET) Received: from sailus by valkosipuli.localdomain with local (Exim 4.89) (envelope-from ) id 1ghCy8-0002Z9-KI; Wed, 09 Jan 2019 14:28:24 +0200 Date: Wed, 9 Jan 2019 14:28:24 +0200 From: Sakari Ailus To: Maxime Ripard Subject: Re: [PATCH v4 0/9] phy: Add configuration interface for MIPI D-PHY devices Message-ID: <20190109122824.vcxpcmiunball5rq@valkosipuli.retiisi.org.uk> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170113 (1.7.2) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190109_042944_649346_45C2B9C8 X-CRM114-Status: GOOD ( 20.27 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Archit Taneja , Rafal Ciepiela , Krzysztof Witos , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Kishon Vijay Abraham I , Andrzej Hajda , Chen-Yu Tsai , Laurent Pinchart , Thomas Petazzoni , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Jan 09, 2019 at 10:33:17AM +0100, Maxime Ripard wrote: > Hi, > > Here is a set of patches to allow the phy framework consumers to test and > apply runtime configurations. > > This is needed to support more phy classes that require tuning based on > parameters depending on the current use case of the device, in addition to > the power state management already provided by the current functions. > > A first test bed for that API are the MIPI D-PHY devices. There's a number > of solutions that have been used so far to support these phy, most of the > time being an ad-hoc driver in the consumer. > > That approach has a big shortcoming though, which is that this is quite > difficult to deal with consumers integrated with multiple variants of phy, > of multiple consumers integrated with the same phy. > > The latter case can be found in the Cadence DSI bridge, and the CSI > transceiver and receivers. All of them are integrated with the same phy, or > can be integrated with different phy, depending on the implementation. > > I've looked at all the MIPI DSI drivers I could find, and gathered all the > parameters I could find. The interface should be complete, and most of the > drivers can be converted in the future. The current set converts two of > them: the above mentionned Cadence DSI driver so that the v4l2 drivers can > use them, and the Allwinner MIPI-DSI driver. > > Let me know what you think, > Maxime > > Changes from v3 > - Rebased on 5.0-rc1 > - Added the fixes suggested by Sakari Thanks! For patches 1--3: Acked-by: Sakari Ailus -- Sakari Ailus _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel