Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755337AbbLBKaw (ORCPT ); Wed, 2 Dec 2015 05:30:52 -0500 Received: from foss.arm.com ([217.140.101.70]:41321 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752466AbbLBKau (ORCPT ); Wed, 2 Dec 2015 05:30:50 -0500 Date: Wed, 2 Dec 2015 10:31:59 +0000 From: Lorenzo Pieralisi To: Jisheng Zhang Cc: sebastian.hesselbarth@gmail.com, daniel.lezcano@linaro.org, will.deacon@arm.com, catalin.marinas@arm.com, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] arm64: dts: berlin4ct: support cpuidle-dt Message-ID: <20151202103159.GC18657@red-moon> References: <1448890918-6999-1-git-send-email-jszhang@marvell.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1448890918-6999-1-git-send-email-jszhang@marvell.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1938 Lines: 69 On Mon, Nov 30, 2015 at 09:41:58PM +0800, Jisheng Zhang wrote: > This patch adds an idle-states node to describe the berlin4ct idle > states and also adds references to the idle-states node in all CPU > nodes. After this patch cpuidle is enabled. > > Signed-off-by: Jisheng Zhang > --- > arch/arm64/boot/dts/marvell/berlin4ct.dtsi | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) Acked-by: Lorenzo Pieralisi > > diff --git a/arch/arm64/boot/dts/marvell/berlin4ct.dtsi b/arch/arm64/boot/dts/marvell/berlin4ct.dtsi > index 39d0676..3649cea 100644 > --- a/arch/arm64/boot/dts/marvell/berlin4ct.dtsi > +++ b/arch/arm64/boot/dts/marvell/berlin4ct.dtsi > @@ -69,6 +69,7 @@ > device_type = "cpu"; > reg = <0x0>; > enable-method = "psci"; > + cpu-idle-states = <&CPU_SLEEP_0>; > }; > > cpu1: cpu@1 { > @@ -76,6 +77,7 @@ > device_type = "cpu"; > reg = <0x1>; > enable-method = "psci"; > + cpu-idle-states = <&CPU_SLEEP_0>; > }; > > cpu2: cpu@2 { > @@ -83,6 +85,7 @@ > device_type = "cpu"; > reg = <0x2>; > enable-method = "psci"; > + cpu-idle-states = <&CPU_SLEEP_0>; > }; > > cpu3: cpu@3 { > @@ -90,6 +93,19 @@ > device_type = "cpu"; > reg = <0x3>; > enable-method = "psci"; > + cpu-idle-states = <&CPU_SLEEP_0>; > + }; > + > + idle-states { > + entry-method = "psci"; > + CPU_SLEEP_0: cpu-sleep-0 { > + compatible = "arm,idle-state"; > + local-timer-stop; > + arm,psci-suspend-param = <0x0010000>; > + entry-latency-us = <75>; > + exit-latency-us = <155>; > + min-residency-us = <1000>; > + }; > }; > }; > > -- > 2.6.2 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/