From patchwork Wed Jan 23 22:11:29 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Evan Green X-Patchwork-Id: 1030211 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=chromium.org header.i=@chromium.org header.b="JC2LKH6b"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43lKJk4yMfz9sCX for ; Thu, 24 Jan 2019 09:12:06 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726367AbfAWWMF (ORCPT ); Wed, 23 Jan 2019 17:12:05 -0500 Received: from mail-pf1-f195.google.com ([209.85.210.195]:45525 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726157AbfAWWME (ORCPT ); Wed, 23 Jan 2019 17:12:04 -0500 Received: by mail-pf1-f195.google.com with SMTP id g62so1861016pfd.12 for ; Wed, 23 Jan 2019 14:12:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=QnBy3yFqLwRX55WY/zVdCOpm+/+wmQpglkGG4K9iWAk=; b=JC2LKH6bgY/tersTa9GmDGjmtc3MQzAiSCLBE4pWPCmurqPXT+MXVDkzuRODzqCD+m /gREHqEs30sFQ4E4ozamLuas3Lirbca6RlVG5nh38+sS+Apn0NkmBapRfTTX2Abb8l9z X+lPkWyIy0mFQyAUryrMCbOHS5jUwR4f8NeKE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=QnBy3yFqLwRX55WY/zVdCOpm+/+wmQpglkGG4K9iWAk=; b=lCjaJrSRzM3bHavBHNFOBxB1znSMvhgg267k5raDs+So1TxsdIB1UqwGS9wM8itYvg oyORCOlXMPs4xQvCKAE6zC1kspUelD32Bpx7djwxziZ8qD+A1QitTuN0FoDwtsO2x6Ck Vv2ZJIWjt3htRZmvd/xa+03utYapsbZgso5tCoNti2Q9eADNKEU1gYLWIZE2dkSqM+aY 8VZHZ+4dtOJ6VRma+7BuYhi7JMHnutoUrD2JdaHADY2MbleC9S6h9QJGvV6qw2Fb7/L3 tTCPkhunV+fQygSYLljaw6D+JTvfpk2l3bjGlV0qMtP3Nnwen8v98+AP4qGbB3TES4+n 3SZQ== X-Gm-Message-State: AJcUukeE/b61EA79b8T1hp+xQ2X9sTOB2AEShWm89XHdyLmwlWl5z5UU U64QJh+UVFL6JKQWVDkyKAa9KA== X-Google-Smtp-Source: ALg8bN776wtxE68uoxKfmS+B3PdjVJDjmggLUklOUYvAwvjGD48uEEADg4TZR1SIe0IaELhQRdjUQg== X-Received: by 2002:a62:4e16:: with SMTP id c22mr3760419pfb.167.1548281523456; Wed, 23 Jan 2019 14:12:03 -0800 (PST) Received: from evgreen2.mtv.corp.google.com ([2620:15c:202:201:ffda:7716:9afc:1301]) by smtp.gmail.com with ESMTPSA id d18sm27927943pfj.47.2019.01.23.14.12.02 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 23 Jan 2019 14:12:02 -0800 (PST) From: Evan Green To: Andy Gross , Rob Herring , Kishon Vijay Abraham I Cc: Can Guo , Douglas Anderson , Asutosh Das , Stephen Boyd , Vivek Gautam , Evan Green , devicetree@vger.kernel.org, liwei , linux-kernel@vger.kernel.org, Subhash Jadavani , "Martin K. Petersen" , Mark Rutland Subject: [PATCH v2 1/9] dt-bindings: ufs: Add #reset-cells for Qualcomm controllers Date: Wed, 23 Jan 2019 14:11:29 -0800 Message-Id: <20190123221137.41722-2-evgreen@chromium.org> X-Mailer: git-send-email 2.18.1 In-Reply-To: <20190123221137.41722-1-evgreen@chromium.org> References: <20190123221137.41722-1-evgreen@chromium.org> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Enable Qualcomm UFS controllers to expose the PHY reset via a reset controller. Signed-off-by: Evan Green Reviewed-by: Rob Herring Reviewed-by: Stephen Boyd --- Fixing up this aspect of it made me notice that this patch [1] hasn't landed yet. It really ought to. [1] https://lore.kernel.org/lkml/20181012213926.253765-1-dianders@chromium.org/T/#u Changes in v2: None Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt b/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt index 8cf59452c6756..e2460b666ae45 100644 --- a/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt +++ b/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt @@ -47,6 +47,8 @@ Optional properties: -lanes-per-direction : number of lanes available per direction - either 1 or 2. Note that it is assume same number of lanes is used both directions at once. If not specified, default is 2 lanes per direction. +- #reset-cells : Must be <1> for Qualcomm UFS controllers that expose + PHY reset from the UFS controller. - resets : reset node register - reset-names : describe reset node register, the "rst" corresponds to reset the whole UFS IP. @@ -76,4 +78,5 @@ Example: reset-names = "rst"; phys = <&ufsphy1>; phy-names = "ufsphy"; + #reset-cells = <1>; };