From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752083AbeAZHir (ORCPT ); Fri, 26 Jan 2018 02:38:47 -0500 Received: from mail-pg0-f66.google.com ([74.125.83.66]:34311 "EHLO mail-pg0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752047AbeAZHio (ORCPT ); Fri, 26 Jan 2018 02:38:44 -0500 X-Google-Smtp-Source: AH8x2267yq8UbqgSVfnr/0ozcZPIWcCqdjJY54KAmifw5T2I9pkcT+hPoSIlu5jbfMyXAEhwfUfZeg== 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 v2 3/5] DT/arm,gic-v3-its: add reset-on-suspend property Date: Thu, 25 Jan 2018 23:38:33 -0800 Message-Id: <20180126073835.16575-4-dbasehore@chromium.org> X-Mailer: git-send-email 2.16.0.rc1.238.g530d649a79-goog In-Reply-To: <20180126073835.16575-1-dbasehore@chromium.org> References: <20180126073835.16575-1-dbasehore@chromium.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 -- 2.16.0.rc1.238.g530d649a79-goog