Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966796AbcDLX5N (ORCPT ); Tue, 12 Apr 2016 19:57:13 -0400 Received: from mail-pa0-f51.google.com ([209.85.220.51]:35812 "EHLO mail-pa0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965155AbcDLX5J (ORCPT ); Tue, 12 Apr 2016 19:57:09 -0400 From: Guodong Xu To: xuwei5@hisilicon.com, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, catalin.marinas@arm.com, will.deacon@arm.com, haojian.zhuang@linaro.org, linus.walleij@linaro.org, tony@atomide.com Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Leo Yan Subject: [PATCH v4 03/16] arm64: dts: enable idle states for Hi6220 Date: Wed, 13 Apr 2016 07:55:39 +0800 Message-Id: <1460505352-13157-4-git-send-email-guodong.xu@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1460505352-13157-1-git-send-email-guodong.xu@linaro.org> References: <1460505352-13157-1-git-send-email-guodong.xu@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2530 Lines: 108 From: Leo Yan Add cpu and cluster level's low power state for Hi6220. Acked-by: Sudeep Holla Signed-off-by: Leo Yan --- arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi index b975286..dc7f21a 100644 --- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi +++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi @@ -53,11 +53,35 @@ }; }; + idle-states { + entry-method = "psci"; + + CPU_SLEEP: cpu-sleep { + compatible = "arm,idle-state"; + local-timer-stop; + arm,psci-suspend-param = <0x0010000>; + entry-latency-us = <700>; + exit-latency-us = <250>; + min-residency-us = <1000>; + }; + + CLUSTER_SLEEP: cluster-sleep { + compatible = "arm,idle-state"; + local-timer-stop; + arm,psci-suspend-param = <0x1010000>; + entry-latency-us = <1000>; + exit-latency-us = <700>; + min-residency-us = <2700>; + wakeup-latency-us = <1500>; + }; + }; + cpu0: cpu@0 { compatible = "arm,cortex-a53", "arm,armv8"; device_type = "cpu"; reg = <0x0 0x0>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu1: cpu@1 { @@ -65,6 +89,7 @@ device_type = "cpu"; reg = <0x0 0x1>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu2: cpu@2 { @@ -72,6 +97,7 @@ device_type = "cpu"; reg = <0x0 0x2>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu3: cpu@3 { @@ -79,6 +105,7 @@ device_type = "cpu"; reg = <0x0 0x3>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu4: cpu@100 { @@ -86,6 +113,7 @@ device_type = "cpu"; reg = <0x0 0x100>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu5: cpu@101 { @@ -93,6 +121,7 @@ device_type = "cpu"; reg = <0x0 0x101>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu6: cpu@102 { @@ -100,6 +129,7 @@ device_type = "cpu"; reg = <0x0 0x102>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu7: cpu@103 { @@ -107,6 +137,7 @@ device_type = "cpu"; reg = <0x0 0x103>; enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; }; -- 1.9.1