[PATCH] arm64: dts: rockchip: Add idle-states to device tree for rk3399
From: Tony Xie <hidden>
Date: 2018-08-24 10:01:56
Also in:
linux-arm-kernel, linux-rockchip, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Signed-off-by: Tony Xie <redacted> --- 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 e0040b6..49fb57f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi@@ -111,6 +111,7 @@ #cooling-cells = <2>; /* min followed by max */ clocks = <&cru ARMCLKL>; dynamic-power-coefficient = <100>; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu_l1: cpu@1 {
@@ -120,6 +121,7 @@ enable-method = "psci"; clocks = <&cru ARMCLKL>; dynamic-power-coefficient = <100>; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu_l2: cpu@2 {
@@ -129,6 +131,7 @@ enable-method = "psci"; clocks = <&cru ARMCLKL>; dynamic-power-coefficient = <100>; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu_l3: cpu@3 {
@@ -138,6 +141,7 @@ enable-method = "psci"; clocks = <&cru ARMCLKL>; dynamic-power-coefficient = <100>; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu_b0: cpu@100 {
@@ -148,6 +152,7 @@ #cooling-cells = <2>; /* min followed by max */ clocks = <&cru ARMCLKB>; dynamic-power-coefficient = <436>; + cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; cpu_b1: cpu@101 {
@@ -157,6 +162,29 @@ enable-method = "psci"; clocks = <&cru ARMCLKB>; 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>; + }; }; };
--
1.9.1