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Commit f888da16 authored by Tony Xie's avatar Tony Xie Committed by Heiko Stuebner
Browse files

arm64: dts: rockchip: Add idle-states to device tree for rk3399 



Add idle-states for cpu and cluster sleep states.

Signed-off-by: default avatarTony Xie <tony.xie@rock-chips.com>
Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent 99165b93

arch/arm64/boot/dts/rockchip/rk3399.dtsi

+28 −0
Original line number Diff line number Diff line
@@ -74,6 +74,7 @@ 
			clocks = <&cru ARMCLKL>;

			#cooling-cells = <2>; /* min followed by max */

			dynamic-power-coefficient = <100>;

			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;

		};



		cpu_l1: cpu@1 {
@@ -84,6 +85,7 @@ 
			clocks = <&cru ARMCLKL>;

			#cooling-cells = <2>; /* min followed by max */

			dynamic-power-coefficient = <100>;

			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;

		};



		cpu_l2: cpu@2 {
@@ -94,6 +96,7 @@ 
			clocks = <&cru ARMCLKL>;

			#cooling-cells = <2>; /* min followed by max */

			dynamic-power-coefficient = <100>;

			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;

		};



		cpu_l3: cpu@3 {
@@ -104,6 +107,7 @@ 
			clocks = <&cru ARMCLKL>;

			#cooling-cells = <2>; /* min followed by max */

			dynamic-power-coefficient = <100>;

			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;

		};



		cpu_b0: cpu@100 {
@@ -114,6 +118,7 @@ 
			clocks = <&cru ARMCLKB>;

			#cooling-cells = <2>; /* min followed by max */

			dynamic-power-coefficient = <436>;

			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;

		};



		cpu_b1: cpu@101 {
@@ -124,6 +129,29 @@ 
			clocks = <&cru ARMCLKB>;

			#cooling-cells = <2>; /* min followed by max */

			dynamic-power-coefficient = <436>;

			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;

		};



		idle-states {

			entry-method = "psci";



			CPU_SLEEP: cpu-sleep {

				compatible = "arm,idle-state";

				local-timer-stop;

				arm,psci-suspend-param = <0x0010000>;

				entry-latency-us = <120>;

				exit-latency-us = <250>;

				min-residency-us = <900>;

			};



			CLUSTER_SLEEP: cluster-sleep {

				compatible = "arm,idle-state";

				local-timer-stop;

				arm,psci-suspend-param = <0x1010000>;

				entry-latency-us = <400>;

				exit-latency-us = <500>;

				min-residency-us = <2000>;

			};

		};

	};