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From f888da16628c150e23a80e9c24ed76d1cf8a94d2 Mon Sep 17 00:00:00 2001
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From: Tony Xie <tony.xie@rock-chips.com>
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Date: Fri, 24 Aug 2018 18:03:00 +0800
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Subject: arm64: dts: rockchip: Add idle-states to device tree for rk3399
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Add idle-states for cpu and cluster sleep states.
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Signed-off-by: Tony Xie <tony.xie@rock-chips.com>
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Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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---
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arch/arm64/boot/dts/rockchip/rk3399.dtsi | 28 ++++++++++++++++++++++++++++
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1 file changed, 28 insertions(+)
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diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
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index c88e603396f6..b426902189c0 100644
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--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
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+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
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@@ -74,6 +74,7 @@
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clocks = <&cru ARMCLKL>;
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#cooling-cells = <2>; /* min followed by max */
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dynamic-power-coefficient = <100>;
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+ cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
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};
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cpu_l1: cpu@1 {
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@@ -84,6 +85,7 @@
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clocks = <&cru ARMCLKL>;
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#cooling-cells = <2>; /* min followed by max */
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dynamic-power-coefficient = <100>;
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+ cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
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};
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cpu_l2: cpu@2 {
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@@ -94,6 +96,7 @@
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clocks = <&cru ARMCLKL>;
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#cooling-cells = <2>; /* min followed by max */
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dynamic-power-coefficient = <100>;
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+ cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
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};
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cpu_l3: cpu@3 {
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@@ -104,6 +107,7 @@
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clocks = <&cru ARMCLKL>;
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#cooling-cells = <2>; /* min followed by max */
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dynamic-power-coefficient = <100>;
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+ cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
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};
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cpu_b0: cpu@100 {
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@@ -114,6 +118,7 @@
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clocks = <&cru ARMCLKB>;
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#cooling-cells = <2>; /* min followed by max */
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dynamic-power-coefficient = <436>;
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+ cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
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};
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cpu_b1: cpu@101 {
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@@ -124,6 +129,29 @@
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clocks = <&cru ARMCLKB>;
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#cooling-cells = <2>; /* min followed by max */
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dynamic-power-coefficient = <436>;
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+ cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
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+ };
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+
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+ idle-states {
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+ entry-method = "psci";
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+
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+ CPU_SLEEP: cpu-sleep {
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+ compatible = "arm,idle-state";
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+ local-timer-stop;
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+ arm,psci-suspend-param = <0x0010000>;
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+ entry-latency-us = <120>;
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+ exit-latency-us = <250>;
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+ min-residency-us = <900>;
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+ };
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+
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+ CLUSTER_SLEEP: cluster-sleep {
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+ compatible = "arm,idle-state";
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+ local-timer-stop;
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+ arm,psci-suspend-param = <0x1010000>;
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+ entry-latency-us = <400>;
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+ exit-latency-us = <500>;
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+ min-residency-us = <2000>;
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+ };
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};
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};
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--
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cgit 1.2-0.3.lf.el7
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