From patchwork Sat Feb 3 01:24:48 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Derek Basehore X-Patchwork-Id: 10198263 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1C36B60594 for ; Sat, 3 Feb 2018 01:25:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0FBC928FC5 for ; Sat, 3 Feb 2018 01:25:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 04A1828FC7; Sat, 3 Feb 2018 01:25:18 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 881FD28FC4 for ; Sat, 3 Feb 2018 01:25:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752619AbeBCBZN (ORCPT ); Fri, 2 Feb 2018 20:25:13 -0500 Received: from mail-pl0-f68.google.com ([209.85.160.68]:34642 "EHLO mail-pl0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752240AbeBCBY7 (ORCPT ); Fri, 2 Feb 2018 20:24:59 -0500 Received: by mail-pl0-f68.google.com with SMTP id q17so5261647pll.1 for ; Fri, 02 Feb 2018 17:24:59 -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=w83D5Ef/PEoeLmEjI8Fya4YIM1kcJMX0O8yenM8U5ac=; b=b/9KO4NQrTm3WTovR/ZqMbhv8cz0eNFbaNCB8SVYCKusiyCuUaAtWbTwgCpHm0uSN5 hyMR4jqK5IeREQWxsj492cPA+B/52T6Q4xVloeEJOYhESNdwh6heCslv+z93Qc1Y6R6X e1LKqLyw2kGqn3juhpBfk2dthe05vGHz5kzM4= 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=w83D5Ef/PEoeLmEjI8Fya4YIM1kcJMX0O8yenM8U5ac=; b=Yj6XsNAWWEASKNlkF32nfUHK5V/6PoFznsjsz9jUnAa+GdHqN1qnCNf2p7YZb040G7 rUb6ezez1ZLAYVqPqkbdN+TXjj5cSAtrxPMiq25LX0op5sjTBk3IG58atyPT45h3cSEx 9puKgL8AFtDZcuBL/66WDITqDdMU+4OaPdDb1XkmnT3RfJtXYlaG9EhIEauQxs0gOkCL cjH0AdXXtOPH5B7J/bSWxa2Xp1ny9/jcyVljJRSXuHByuX47RyOy6lngtj+rTp2ZmGeY S74rPrqxQytLgni0815F+OZ+M1zYJ2uK6VkJCdZzXynxd1WOj7YzGvN0oTIVlWMUuKnr jHiA== X-Gm-Message-State: AKwxytdjRT9KC8biCUvd8Hj9k5Ko1AdEioIKnPMPHiH8SiXl7KVUUmKN WZ2Th4t4VjxJ7tBOlwcemnRcJg== X-Google-Smtp-Source: AH8x227Y9TKnQNdw7xRrjJP3kilFz30Hb134ZBnr0o6iMFpWLooW9gVlFLv0cfiHPAY4i2nJRT50Rw== X-Received: by 2002:a17:902:6ec5:: with SMTP id l5-v6mr37316283pln.443.1517621099448; Fri, 02 Feb 2018 17:24:59 -0800 (PST) Received: from exogeni.mtv.corp.google.com ([2620:0:1000:1600:211e:5908:95bc:4888]) by smtp.gmail.com with ESMTPSA id x124sm5332917pfx.105.2018.02.02.17.24.58 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 02 Feb 2018 17:24:58 -0800 (PST) From: Derek Basehore To: linux-kernel@vger.kernel.org Cc: Soby.Mathew@arm.com, sudeep.holla@arm.com, devicetree@vger.kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, linux-pm@vger.kernel.org, rafael.j.wysocki@intel.com, tglx@linutronix.de, briannorris@chromium.org, marc.zyngier@arm.com, Derek Basehore Subject: [PATCH v4 3/5] DT/arm,gic-v3-its: add reset-on-suspend property Date: Fri, 2 Feb 2018 17:24:48 -0800 Message-Id: <20180203012450.18378-4-dbasehore@chromium.org> X-Mailer: git-send-email 2.16.0.rc1.238.g530d649a79-goog In-Reply-To: <20180203012450.18378-1-dbasehore@chromium.org> References: <20180203012450.18378-1-dbasehore@chromium.org> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This adds documentation for the new reset-on-suspend property. This property enables saving and restoring the ITS for when it loses state in system suspend. Signed-off-by: Derek Basehore --- Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt index 0a57f2f4167d..a470147d4f14 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt @@ -78,6 +78,9 @@ These nodes must have the following properties: Optional: - socionext,synquacer-pre-its: (u32, u32) tuple describing the untranslated address and size of the pre-ITS window. +- reset-on-suspend: Boolean property. Indicates that the ITS state is + reset on suspend. The state is then saved on suspend and restored on + resume. The main GIC node must contain the appropriate #address-cells, #size-cells and ranges properties for the reg property of all ITS