From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ulf Hansson Subject: [PATCH 1/2] PM / Domains: Define DT bindings for PM QoS device latencies Date: Thu, 31 Mar 2016 15:50:25 +0200 Message-ID: <1459432226-22562-1-git-send-email-ulf.hansson@linaro.org> Return-path: Received: from mail-lf0-f49.google.com ([209.85.215.49]:36465 "EHLO mail-lf0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752206AbcCaNud (ORCPT ); Thu, 31 Mar 2016 09:50:33 -0400 Received: by mail-lf0-f49.google.com with SMTP id e133so60069755lfe.3 for ; Thu, 31 Mar 2016 06:50:32 -0700 (PDT) Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: "Rafael J. Wysocki" , Kevin Hilman , Ulf Hansson , Rob Herring , linux-pm@vger.kernel.org Cc: Len Brown , Pavel Machek , Geert Uytterhoeven , Lina Iyer , Axel Haslam , Marek Szyprowski , Jon Hunter , devicetree@vger.kernel.org PM QoS device latencies are properties of the hardware. Let's define some DT bindings for them. Suggested-by: Geert Uytterhoeven Signed-off-by: Ulf Hansson --- Documentation/devicetree/bindings/power/power_domain.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/power/power_domain.txt b/Documentation/devicetree/bindings/power/power_domain.txt index 025b5e7..b101a20 100644 --- a/Documentation/devicetree/bindings/power/power_domain.txt +++ b/Documentation/devicetree/bindings/power/power_domain.txt @@ -65,12 +65,18 @@ Required properties: - power-domains : A phandle and PM domain specifier as defined by bindings of the power controller specified by phandle. +Optional properties: + - suspend-latency: Suspend latency of the device in ns. + - resume-latency: Resume latency of the device in ns. + Example: leaky-device@12350000 { compatible = "foo,i-leak-current"; reg = <0x12350000 0x1000>; power-domains = <&power 0>; + suspend-latency = <250000>; + resume-latency = <250000>; }; The node above defines a typical PM domain consumer device, which is located -- 1.9.1