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>

diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index c88e603396f610615e4070bc8af62dfa9d389b0b..b426902189c0b58003b62dab04179ec351e6bdc2 100644 (file)
--- 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>;
+                       };
                };
        };