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Groups > linux.kernel > #1377427

[PATCH v4 03/16] arm64: dts: enable idle states for Hi6220

From Guodong Xu <guodong.xu@linaro.org>
Newsgroups linux.kernel
Subject [PATCH v4 03/16] arm64: dts: enable idle states for Hi6220
Date 2016-04-13 02:00 +0200
Message-ID <rngnV-7PD-35@gated-at.bofh.it> (permalink)
References <rngnU-7PD-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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From: Leo Yan <leo.yan@linaro.org>

Add cpu and cluster level's low power state for Hi6220.

Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
---
 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

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Thread

[PATCH v4 00/16] DTS for hi6220 and HiKey Guodong Xu <guodong.xu@linaro.org> - 2016-04-13 02:00 +0200
  [PATCH v4 12/16] arm64: dts: hi6220: add pinctrl for uarts and enable them Guodong Xu <guodong.xu@linaro.org> - 2016-04-13 02:00 +0200
  [PATCH v4 06/16] arm64: dts: add Hi6220 spi configuration nodes Guodong Xu <guodong.xu@linaro.org> - 2016-04-13 02:00 +0200
  [PATCH v4 13/16] arm64: dts: add LED nodes for hi6220-hikey Guodong Xu <guodong.xu@linaro.org> - 2016-04-13 02:00 +0200
  [PATCH v4 08/16] arm64: dts: hikey: enable i2c0 and i2c1 for working with mezzanine boards Guodong Xu <guodong.xu@linaro.org> - 2016-04-13 02:00 +0200
  [PATCH v4 07/16] arm64: dts: add all hi6220 i2c nodes Guodong Xu <guodong.xu@linaro.org> - 2016-04-13 02:00 +0200
  [PATCH v4 09/16] arm64: dts: Add hi6220 usb node Guodong Xu <guodong.xu@linaro.org> - 2016-04-13 02:00 +0200
  [PATCH v4 04/16] arm64: dts: Add Hi6220 gpio configuration nodes Guodong Xu <guodong.xu@linaro.org> - 2016-04-13 02:00 +0200
  [PATCH v4 11/16] arm64: dts: add Hi6220's stub clock node Guodong Xu <guodong.xu@linaro.org> - 2016-04-13 02:00 +0200
  [PATCH v4 10/16] arm64: dts: add mailbox node for Hi6220 Guodong Xu <guodong.xu@linaro.org> - 2016-04-13 02:00 +0200
  [PATCH v4 05/16] arm64: dts: add Hi6220 pinctrl configuration nodes Guodong Xu <guodong.xu@linaro.org> - 2016-04-13 02:00 +0200
  [PATCH v4 03/16] arm64: dts: enable idle states for Hi6220 Guodong Xu <guodong.xu@linaro.org> - 2016-04-13 02:00 +0200
  [PATCH v4 15/16] arm64: dts: add dwmmc nodes for hi6220 Guodong Xu <guodong.xu@linaro.org> - 2016-04-13 02:10 +0200
  [PATCH v4 16/16] arm64: dts: add wifi nodes support for hi6220-hikey Guodong Xu <guodong.xu@linaro.org> - 2016-04-13 02:10 +0200
  [PATCH v4 14/16] arm64: dts: hikey: Add hi655x pmic dts node Guodong Xu <guodong.xu@linaro.org> - 2016-04-13 02:10 +0200
    Re: [PATCH v4 14/16] arm64: dts: hikey: Add hi655x pmic dts node Rob Herring <robh+dt@kernel.org> - 2016-04-13 02:20 +0200
      Re: [PATCH v4 14/16] arm64: dts: hikey: Add hi655x pmic dts node Guodong Xu <guodong.xu@linaro.org> - 2016-04-13 02:20 +0200

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