From patchwork Tue Feb 5 18:58:55 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Evan Green X-Patchwork-Id: 1037075 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="mRTC3J+j"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43vDRS6rSmz9s7T for ; Wed, 6 Feb 2019 06:00:20 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729232AbfBES71 (ORCPT ); Tue, 5 Feb 2019 13:59:27 -0500 Received: from mail-pl1-f194.google.com ([209.85.214.194]:36789 "EHLO mail-pl1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728688AbfBES71 (ORCPT ); Tue, 5 Feb 2019 13:59:27 -0500 Received: by mail-pl1-f194.google.com with SMTP id g9so1911294plo.3 for ; Tue, 05 Feb 2019 10:59:26 -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 :mime-version:content-transfer-encoding; bh=T6ZkVEchsabZqxtMQeoE3ctJ4zykBlH7lRtatYFb9wo=; b=mRTC3J+jKMLMwOF4TMLfYeTfGl7DlhlggCf4bPCgHrsdtxYV+6fS71EeyaDxdaZVd+ 8xGolxtXoz4+IC00roQHBljzgcbHnWxzW1H0Idr7UdSKk1espV/44Wxt6JBxJHkK4RZn t7UAe+3KsAn2eSb5gvpYWMgjKuPPNjJkSRvyo= 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:mime-version:content-transfer-encoding; bh=T6ZkVEchsabZqxtMQeoE3ctJ4zykBlH7lRtatYFb9wo=; b=U8xiiRC+v1cRlwFVPxpViBkZyr9gFG+0klx92oRqxh9HdRJjYqitTQ3ngoYgpsNc8T ZT/RGyREBfh4qWqC6bQbSdGLdfKtC1H5x+zpaCd5eVTgUUoknsHU29V+P1HD/LrScKes OgS97Vblbjf5pWf4Ys2lmVOLl5y6NH/chfDn2WwZbEmBvsUPT8OVXZSg7KzrwkhkdySK lPenHQKm4LL1ZwVovcpV5FgxK4HCgPt5TvytT6L9uk3uRSp9/jvSlTddinb9XgcSEihm DNbdpdHdwBS53/IFKzKweN4/lwN9FqMBKMar2FrKX2k5ght0KjDz2splfhjxupdV8Ew6 llkw== X-Gm-Message-State: AHQUAuZAsZQyQN32e/ZntH4l76IyOTQqPiSOoK25/uBiUjawYHtBHwq/ lOut0Huhlez9YI52PQ9NSJ/c8g== X-Google-Smtp-Source: AHgI3IbtY8q+L210PGS9rdsM1l9sI59qwK3s7vtou7MZ2oEsN+ImorRrdRougfy6HVaBU7i71/ea6A== X-Received: by 2002:a17:902:108a:: with SMTP id c10mr6597175pla.131.1549393166546; Tue, 05 Feb 2019 10:59:26 -0800 (PST) Received: from evgreen2.mtv.corp.google.com ([2620:15c:202:201:ffda:7716:9afc:1301]) by smtp.gmail.com with ESMTPSA id m3sm6424435pfi.102.2019.02.05.10.59.25 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 05 Feb 2019 10:59:25 -0800 (PST) From: Evan Green To: Andy Gross , Kishon Vijay Abraham I Cc: Stephen Boyd , Marc Gonzalez , Can Guo , Vivek Gautam , Douglas Anderson , Asutosh Das , Evan Green , Rob Herring , devicetree@vger.kernel.org, liwei , linux-kernel@vger.kernel.org, Subhash Jadavani , Rob Herring , "Martin K. Petersen" , Mark Rutland Subject: [PATCH v3 1/8] dt-bindings: ufs: Add #reset-cells for Qualcomm controllers Date: Tue, 5 Feb 2019 10:58:55 -0800 Message-Id: <20190205185902.106085-2-evgreen@chromium.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190205185902.106085-1-evgreen@chromium.org> References: <20190205185902.106085-1-evgreen@chromium.org> MIME-Version: 1.0 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 v3: None 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 8cf59452c675..e2460b666ae4 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>; };