From: Yuantian Tang <andy.tang@xxxxxxx>
Signed-off-by: Tang Yuantian <andy.tang@xxxxxxx>
---
arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi | 21 +++++++++++++++++++++
1 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
index 380e7c7..18828b9 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
@@ -81,6 +81,7 @@
clocks = <&clockgen 1 0>;
next-level-cache = <&l2>;
#cooling-cells = <2>;
+ cpu-idle-states = <&CPU_PH20>;
};
cpu1: cpu@1 {
@@ -89,6 +90,7 @@
reg = <0x1>;
clocks = <&clockgen 1 0>;
next-level-cache = <&l2>;
+ cpu-idle-states = <&CPU_PH20>;
};
cpu2: cpu@2 {
@@ -97,6 +99,7 @@
reg = <0x2>;
clocks = <&clockgen 1 0>;
next-level-cache = <&l2>;
+ cpu-idle-states = <&CPU_PH20>;
};
cpu3: cpu@3 {
@@ -105,6 +108,7 @@
reg = <0x3>;
clocks = <&clockgen 1 0>;
next-level-cache = <&l2>;
+ cpu-idle-states = <&CPU_PH20>;
};
l2: l2-cache {
@@ -112,6 +116,23 @@
};
};
+ idle-states {
+ /*
+ * PSCI node is not added default, U-boot will add missing
+ * parts if it determines to use PSCI.
+ */
+ entry-method = "arm,psci";
+
+ CPU_PH20: cpu-ph20 {
+ compatible = "arm,idle-state";
+ idle-state-name = "PH20";
+ arm,psci-suspend-param = <0x00010000>;
+ entry-latency-us = <1000>;
+ exit-latency-us = <1000>;
+ min-residency-us = <3000>;
+ };
+ };
+
memory@80000000 {
device_type = "memory";
reg = <0x0 0x80000000 0 0x80000000>;
--
1.7.1
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