From: Peng Fan <peng.fan@xxxxxxx>
Add cpuidle node to support cpu idle.
Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
---
arch/arm64/boot/dts/freescale/imx93.dtsi | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts/freescale/imx93.dtsi
index 5c5652ae4ee0..dc444ca394af 100644
--- a/arch/arm64/boot/dts/freescale/imx93.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx93.dtsi
@@ -46,12 +46,27 @@ cpus {
#address-cells = <1>;
#size-cells = <0>;
+ idle-states {
+ entry-method = "psci";
+
+ cpu_pd_wait: cpu-pd-wait {
+ compatible = "arm,idle-state";
+ arm,psci-suspend-param = <0x0010033>;
+ local-timer-stop;
+ entry-latency-us = <10000>;
+ exit-latency-us = <7000>;
+ min-residency-us = <27000>;
+ wakeup-latency-us = <15000>;
+ };
+ };
+
A55_0: cpu@0 {
device_type = "cpu";
compatible = "arm,cortex-a55";
reg = <0x0>;
enable-method = "psci";
#cooling-cells = <2>;
+ cpu-idle-states = <&cpu_pd_wait>;
};
A55_1: cpu@100 {
@@ -60,6 +75,7 @@ A55_1: cpu@100 {
reg = <0x100>;
enable-method = "psci";
#cooling-cells = <2>;
+ cpu-idle-states = <&cpu_pd_wait>;
};
};
--
2.37.1
