diff --git a/qcom/pm6155.dtsi b/qcom/pm6155.dtsi
new file mode 100644
index 000000000000..4666f0ad2626
--- /dev/null
+++ b/qcom/pm6155.dtsi
@@ -0,0 +1,171 @@
+#include <dt-bindings/clock/qcom,rpmh.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/input/qcom,qpnp-power-on.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/spmi/spmi.h>
+#include <dt-bindings/iio/qcom,spmi-vadc.h>
+
+&spmi_bus {
+	#address-cells = <2>;
+	#size-cells = <0>;
+	interrupt-controller;
+	#interrupt-cells = <4>;
+
+	qcom,pm6155@0 {
+		compatible = "qcom,spmi-pmic";
+		reg = <0 SPMI_USID>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		pm6155_1_tz: qcom,temp-alarm@2400 {
+			compatible = "qcom,spmi-temp-alarm";
+			reg = <0x2400>;
+			interrupts = <0x0 0x24 0x0 IRQ_TYPE_EDGE_BOTH>;
+			#thermal-sensor-cells = <0>;
+			qcom,temperature-threshold-set = <1>;
+		};
+
+		qcom,power-on@800 {
+			compatible = "qcom,qpnp-power-on";
+			reg = <0x800>;
+			interrupts = <0x0 0x8 0x0 IRQ_TYPE_NONE>,
+				     <0x0 0x8 0x1 IRQ_TYPE_NONE>;
+			interrupt-names = "kpdpwr", "resin";
+			qcom,pon-dbc-delay = <15625>;
+			qcom,kpdpwr-sw-debounce;
+			qcom,system-reset;
+			qcom,store-hard-reset-reason;
+
+			qcom,pon_1 {
+				qcom,pon-type = <PON_POWER_ON_TYPE_KPDPWR>;
+				qcom,pull-up = <1>;
+				linux,code = <KEY_POWER>;
+			};
+
+			qcom,pon_2 {
+				qcom,pon-type = <PON_POWER_ON_TYPE_RESIN>;
+				qcom,pull-up;
+				linux,code = <KEY_VOLUMEDOWN>;
+			};
+		};
+
+		pm6155_1_clkdiv: clock-controller@5b00 {
+			compatible = "qcom,spmi-clkdiv";
+			reg = <0x5b00>;
+			#clock-cells = <1>;
+			qcom,num-clkdivs = <2>;
+			clock-output-names = "pm6155_1_div_clk1",
+						"pm6155_1_div_clk2";
+			clocks = <&rpmhcc RPMH_CXO_CLK>;
+			clock-names = "xo";
+		};
+
+		pm6155_1_rtc: qcom,pm6155_1_rtc {
+			compatible = "qcom,pm8941-rtc";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			qcom,qpnp-rtc-write = <0>;
+			qcom,qpnp-rtc-alarm-pwrup = <0>;
+
+			qcom,pm6155_1_rtc_rw@6000 {
+				reg = <0x6000 0x100>;
+			};
+			qcom,pm6155_1_rtc_alarm@6100 {
+				reg = <0x6100 0x100>;
+				interrupts = <0x0 0x61 0x1 IRQ_TYPE_NONE>;
+			};
+		};
+
+		pm6155_1_gpios: pinctrl@c000 {
+			compatible = "qcom,pm8150-gpio";
+			reg = <0xc000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+
+		pm6155_1_sdam_2: sdam@b100 {
+			compatible = "qcom,spmi-sdam";
+			reg = <0xb100 0x100>;
+		};
+
+	};
+
+	qcom,pm6155@1 {
+		compatible ="qcom,spmi-pmic";
+		reg = <1 SPMI_USID>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
+	/* below definitions are for the second instance of pm6155 */
+	qcom,pm6155@4 {
+		compatible = "qcom,spmi-pmic";
+		reg = <4 SPMI_USID>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		qcom,power-on@800 {
+			compatible = "qcom,qpnp-power-on";
+			reg = <0x800>;
+		};
+
+		pm6155_2_clkdiv: clock-controller@5b00 {
+			compatible = "qcom,spmi-clkdiv";
+			reg = <0x5b00>;
+			#clock-cells = <1>;
+			qcom,num-clkdivs = <2>;
+			clock-output-names = "pm6155_2_div_clk1",
+						"pm6155_2_div_clk2";
+			clocks = <&rpmhcc RPMH_CXO_CLK>;
+			clock-names = "xo";
+		};
+
+		pm6155_2_gpios: pinctrl@c000 {
+			compatible = "qcom,pm8150-gpio";
+			reg = <0xc000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+	};
+
+	qcom,pm6155@5 {
+		compatible ="qcom,spmi-pmic";
+		reg = <5 SPMI_USID>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+};
+
+&thermal_zones {
+	pm6155-1-tz {
+		polling-delay-passive = <100>;
+		polling-delay = <0>;
+		thermal-governor = "step_wise";
+		thermal-sensors = <&pm6155_1_tz>;
+		wake-capable-sensor;
+
+		trips {
+			pm6155_trip0: trip0 {
+				temperature = <105000>;
+				hysteresis = <0>;
+				type = "passive";
+			};
+
+			pm6155_trip1: trip1 {
+				temperature = <125000>;
+				hysteresis = <0>;
+				type = "critical";
+			};
+
+			trip2 {
+				temperature = <155000>;
+				hysteresis = <0>;
+				type = "critical";
+			};
+		};
+	};
+};
diff --git a/qcom/sa6155-pmic.dtsi b/qcom/sa6155-pmic.dtsi
index 0f81ce8d1397..a8824ad1c37c 100644
--- a/qcom/sa6155-pmic.dtsi
+++ b/qcom/sa6155-pmic.dtsi
@@ -40,3 +40,4 @@
 };
 
 #include "sa6155-regulator.dtsi"
+#include "pm6155.dtsi"
diff --git a/qcom/sa6155p.dtsi b/qcom/sa6155p.dtsi
index 19bc2b109289..59ff2bc74431 100644
--- a/qcom/sa6155p.dtsi
+++ b/qcom/sa6155p.dtsi
@@ -7,6 +7,12 @@
 	qcom,msm-id = <377 0>, <380 0>;
 };
 
+/* Delete second instance of pm6155 definitions for APQ version */
+&spmi_bus {
+	/delete-node/ qcom,pm6155@4;
+	/delete-node/ qcom,pm6155@5;
+};
+
 &apps_rsc {
 	/delete-node/ rpmh-regulator-modemlvl;
 	/delete-node/ rpmh-regulator-ldoc2;
diff --git a/qcom/sm6150.dtsi b/qcom/sm6150.dtsi
index 8e8abca5d5e6..3d2a49cb91a4 100644
--- a/qcom/sm6150.dtsi
+++ b/qcom/sm6150.dtsi
@@ -1047,6 +1047,28 @@
 		#interconnect-cells = <1>;
 	};
 
+	spmi_bus: qcom,spmi@c440000 {
+		compatible = "qcom,spmi-pmic-arb";
+		reg = <0xc440000 0x1100>,
+		      <0xc600000 0x2000000>,
+		      <0xe600000 0x100000>,
+		      <0xe700000 0xa0000>,
+		      <0xc40a000 0x26000>;
+		reg-names = "core", "chnls", "obsrvr", "intr", "cnfg";
+		interrupts-extended = <&pdc 1 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "periph_irq";
+		interrupt-controller;
+		#interrupt-cells = <4>;
+		#address-cells = <2>;
+		#size-cells = <0>;
+		cell-index = <0>;
+		qcom,channel = <0>;
+		qcom,ee = <0>;
+	};
+
+	thermal_zones: thermal-zones {
+	};
+
 	ufsphy_mem: ufsphy_mem@1d87000 {
 		reg = <0x1d87000 0xe00>; /* PHY regs */
 		reg-names = "phy_mem";