From f888da16628c150e23a80e9c24ed76d1cf8a94d2 Mon Sep 17 00:00:00 2001
From: Tony Xie <tony.xie@rock-chips.com>
Date: Fri, 24 Aug 2018 18:03:00 +0800
Subject: arm64: dts: rockchip: Add idle-states to device tree for rk3399
Add idle-states for cpu and cluster sleep states.
Signed-off-by: Tony Xie <tony.xie@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
arch/arm64/boot/dts/rockchip/rk3399.dtsi | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index c88e603396f6..b426902189c0 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -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>;
+ };
};
};
--
cgit 1.2-0.3.lf.el7