diff --git a/qcom/sm6150.dtsi b/qcom/sm6150.dtsi
index dd3c2faf..3823f62f 100644
--- a/qcom/sm6150.dtsi
+++ b/qcom/sm6150.dtsi
@@ -26,6 +26,9 @@
 			compatible = "arm,armv8";
 			reg = <0x0 0x0>;
 			enable-method = "psci";
+			cpu-idle-states = <&SILVER_OFF &SILVER_PLL_OFF>;
+			power-domains = <&CPU_PD0>;
+			power-domain-names = "psci";
 			capacity-dmips-mhz = <1024>;
 			i-cache-size = <0x8000>;
 			d-cache-size = <0x8000>;
@@ -49,6 +52,9 @@
 			compatible = "arm,armv8";
 			reg = <0x0 0x100>;
 			enable-method = "psci";
+			cpu-idle-states = <&SILVER_OFF &SILVER_PLL_OFF>;
+			power-domains = <&CPU_PD1>;
+			power-domain-names = "psci";
 			capacity-dmips-mhz = <1024>;
 			i-cache-size = <0x8000>;
 			d-cache-size = <0x8000>;
@@ -67,6 +73,9 @@
 			compatible = "arm,armv8";
 			reg = <0x0 0x200>;
 			enable-method = "psci";
+			cpu-idle-states = <&SILVER_OFF &SILVER_PLL_OFF>;
+			power-domains = <&CPU_PD2>;
+			power-domain-names = "psci";
 			capacity-dmips-mhz = <1024>;
 			i-cache-size = <0x8000>;
 			d-cache-size = <0x8000>;
@@ -84,6 +93,9 @@
 			compatible = "arm,armv8";
 			reg = <0x0 0x300>;
 			enable-method = "psci";
+			cpu-idle-states = <&SILVER_OFF &SILVER_PLL_OFF>;
+			power-domains = <&CPU_PD3>;
+			power-domain-names = "psci";
 			capacity-dmips-mhz = <1024>;
 			i-cache-size = <0x8000>;
 			d-cache-size = <0x8000>;
@@ -101,6 +113,9 @@
 			compatible = "arm,armv8";
 			reg = <0x0 0x400>;
 			enable-method = "psci";
+			cpu-idle-states = <&SILVER_OFF &SILVER_PLL_OFF>;
+			power-domains = <&CPU_PD4>;
+			power-domain-names = "psci";
 			capacity-dmips-mhz = <1024>;
 			i-cache-size = <0x8000>;
 			d-cache-size = <0x8000>;
@@ -118,6 +133,9 @@
 			compatible = "arm,armv8";
 			reg = <0x0 0x500>;
 			enable-method = "psci";
+			cpu-idle-states = <&SILVER_OFF &SILVER_PLL_OFF>;
+			power-domains = <&CPU_PD5>;
+			power-domain-names = "psci";
 			capacity-dmips-mhz = <1024>;
 			i-cache-size = <0x8000>;
 			d-cache-size = <0x8000>;
@@ -135,6 +153,9 @@
 			compatible = "arm,armv8";
 			reg = <0x0 0x600>;
 			enable-method = "psci";
+			cpu-idle-states = <&GOLD_OFF &GOLD_RAIL_OFF>;
+			power-domains = <&CPU_PD6>;
+			power-domain-names = "psci";
 			capacity-dmips-mhz = <1740>;
 			i-cache-size = <0x10000>;
 			d-cache-size = <0x10000>;
@@ -152,6 +173,9 @@
 			compatible = "arm,armv8";
 			reg = <0x0 0x700>;
 			enable-method = "psci";
+			cpu-idle-states = <&GOLD_OFF &GOLD_RAIL_OFF>;
+			power-domains = <&CPU_PD7>;
+			power-domain-names = "psci";
 			capacity-dmips-mhz = <1740>;
 			i-cache-size = <0x10000>;
 			d-cache-size = <0x10000>;
@@ -204,9 +228,123 @@
 		};
 	};
 
+	idle-states {
+		SILVER_OFF: silver-c3 {  /* C3 */
+			compatible = "arm,idle-state";
+			idle-state-name = "pc";
+			entry-latency-us = <549>;
+			exit-latency-us = <901>;
+			min-residency-us = <1774>;
+			arm,psci-suspend-param = <0x40000003>;
+			local-timer-stop;
+		};
+
+		SILVER_PLL_OFF: silver-c4 {  /* C4 */
+			compatible = "arm,idle-state";
+			idle-state-name = "rail-pc";
+			entry-latency-us = <702>;
+			exit-latency-us = <915>;
+			min-residency-us = <4001>;
+			arm,psci-suspend-param = <0x40000004>;
+			local-timer-stop;
+		};
+
+		GOLD_OFF: gold-c3 {  /* C3 */
+			compatible = "arm,idle-state";
+			idle-state-name = "pc";
+			entry-latency-us = <523>;
+			exit-latency-us = <1244>;
+			min-residency-us = <2207>;
+			arm,psci-suspend-param = <0x40000003>;
+			local-timer-stop;
+		};
+
+		GOLD_RAIL_OFF: gold-c4 {  /* C4 */
+			compatible = "arm,idle-state";
+			idle-state-name = "rail-pc";
+			entry-latency-us = <526>;
+			exit-latency-us = <1854>;
+			min-residency-us = <5555>;
+			arm,psci-suspend-param = <0x40000004>;
+			local-timer-stop;
+		};
+
+		CLUSTER_OFF: cluster-d4 { /* D4 */
+			compatible = "domain-idle-state";
+			idle-state-name = "llcc-off";
+			entry-latency-us = <2752>;
+			exit-latency-us = <3048>;
+			min-residency-us = <6118>;
+			arm,psci-suspend-param = <0x41000044>;
+		};
+
+		CX_RET: cx-ret { /* Cx Ret */
+			compatible = "domain-idle-state";
+			idle-state-name = "llcc-off";
+			entry-latency-us = <3263>;
+			exit-latency-us = <4562>;
+			min-residency-us = <8467>;
+			arm,psci-suspend-param = <0x41001344>;
+		};
+
+		APSS_OFF: cluster-e3 { /* AOSS sleep */
+			compatible = "domain-idle-state";
+			idle-state-name = "llcc-off";
+			entry-latency-us = <3638>;
+			exit-latency-us = <6562>;
+			min-residency-us = <9826>;
+			arm,psci-suspend-param = <0x4100b344>;
+		};
+	};
+
 	psci {
 		compatible = "arm,psci-1.0";
 		method = "smc";
+
+		CPU_PD0: cpu-pd0 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+		};
+
+		CPU_PD1: cpu-pd1 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+		};
+
+		CPU_PD2: cpu-pd2 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+		};
+
+		CPU_PD3: cpu-pd3 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+		};
+
+		CPU_PD4: cpu-pd4 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+		};
+
+		CPU_PD5: cpu-pd5 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+		};
+
+		CPU_PD6: cpu-pd6 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+		};
+
+		CPU_PD7: cpu-pd7 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+		};
+
+		CLUSTER_PD: cluster-pd {
+			#power-domain-cells = <0>;
+			domain-idle-states = <&CLUSTER_OFF &CX_RET &APSS_OFF>;
+		};
 	};
 
 	chosen { };
@@ -422,6 +560,7 @@
 		interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
+		power-domains = <&CLUSTER_PD>;
 
 		apps_rsc_drv2: drv@2 {
 			qcom,drv-id = <2>;
@@ -573,6 +712,14 @@
 			status = "ok";
 		};
 	};
+
+	soc-sleep-stats@c3f0000 {
+		compatible = "qcom,rpmh-sleep-stats-legacy";
+		reg = <0xc3f0000 0x400>;
+		ss-name = "modem", "adsp", "adsp_island",
+			  "cdsp", "slpi", "slpi_island",
+			  "apss";
+	};
 };
 
 #include "sm6150-pinctrl.dtsi"