diff --git a/qcom/pm7550ba.dtsi b/qcom/pm7550ba.dtsi
new file mode 100644
index 00000000..4110ca1f
--- /dev/null
+++ b/qcom/pm7550ba.dtsi
@@ -0,0 +1,87 @@
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/spmi/spmi.h>
+
+&spmi_bus {
+	#address-cells = <2>;
+	#size-cells = <0>;
+	interrupt-controller;
+	#interrupt-cells = <4>;
+
+	qcom,pm7550ba@7 {
+		compatible = "qcom,spmi-pmic";
+		reg = <7 SPMI_USID>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		pm7550ba_tz: qcom,temp-alarm@a00 {
+			compatible = "qcom,spmi-temp-alarm";
+			reg = <0xa00>;
+			interrupts = <0x7 0xa 0x0 IRQ_TYPE_EDGE_BOTH>;
+			#thermal-sensor-cells = <0>;
+		};
+
+		pm7550ba_sdam_1: sdam@7000 {
+			compatible = "qcom,spmi-sdam";
+			reg = <0x7000>;
+		};
+
+		pm7550ba_sdam_2: sdam@7100 {
+			compatible = "qcom,spmi-sdam";
+			reg = <0x7100>;
+		};
+
+		pm7550ba_sdam_3: sdam@7200 {
+			compatible = "qcom,spmi-sdam";
+			reg = <0x7200>;
+		};
+
+		pm7550ba_sdam_4: sdam@7300 {
+			compatible = "qcom,spmi-sdam";
+			reg = <0x7300>;
+		};
+
+		pm7550ba_gpios: pinctrl@8800 {
+			compatible = "qcom,pm7550ba-gpio";
+			reg = <0x8800>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+
+		pm7550ba_eusb2_repeater: qcom,eusb2-repeater@fd00 {
+			compatible = "qcom,pmic-eusb2-repeater";
+			reg = <0xfd00>;
+			status = "disabled";
+		};
+	};
+};
+
+&thermal_zones {
+	pm7550ba_temp_alarm: pm7550ba_tz {
+		polling-delay-passive = <100>;
+		polling-delay = <0>;
+		thermal-governor = "step_wise";
+		thermal-sensors = <&pm7550ba_tz>;
+
+		trips {
+			pm7550ba_trip0: trip0 {
+				temperature = <95000>;
+				hysteresis = <0>;
+				type = "passive";
+			};
+
+			pm7550ba_trip1: trip1 {
+				temperature = <115000>;
+				hysteresis = <0>;
+				type = "critical";
+			};
+
+			pm7550ba_trip2: trip2 {
+				temperature = <145000>;
+				hysteresis = <0>;
+				type = "critical";
+			};
+		};
+	};
+};
diff --git a/qcom/pmx75.dtsi b/qcom/pmx75.dtsi
new file mode 100644
index 00000000..9bcec7cc
--- /dev/null
+++ b/qcom/pmx75.dtsi
@@ -0,0 +1,83 @@
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/spmi/spmi.h>
+
+&spmi_bus {
+	#address-cells = <2>;
+	#size-cells = <0>;
+	interrupt-controller;
+	#interrupt-cells = <4>;
+
+	qcom,pmx75@1 {
+		compatible = "qcom,spmi-pmic";
+		reg = <1 SPMI_USID>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		pmx75_tz: qcom,temp-alarm@a00 {
+			compatible = "qcom,spmi-temp-alarm";
+			reg = <0xa00>;
+			interrupts = <0x1 0xa 0x0 IRQ_TYPE_EDGE_BOTH>;
+			#thermal-sensor-cells = <0>;
+		};
+
+		pmx75_vbus_detect: qcom,pmd-vbus-det@1500 {
+			compatible = "qcom,pm8941-misc";
+			reg = <0x1500>;
+			interrupts = <0x1 0x15 0x0 IRQ_TYPE_EDGE_BOTH>;
+			interrupt-names = "usb_vbus";
+			status = "disabled";
+		};
+
+		pmx75_gpios: pinctrl@8800 {
+			compatible = "qcom,pmx75-gpio";
+			reg = <0x8800>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+
+		pmx75_pwm: pwms@e800 {
+			compatible = "qcom,pwm-lpg";
+			reg = <0xe800>;
+			reg-names = "lpg-base";
+			#pwm-cells = <2>;
+			qcom,num-lpg-channels = <4>;
+		};
+
+		pmx75_eusb2_repeater: qcom,eusb2-repeater@fd00 {
+			compatible = "qcom,pmic-eusb2-repeater";
+			reg = <0xfd00>;
+			status = "disabled";
+		};
+	};
+};
+
+&thermal_zones {
+	pmx75_temp_alarm: pmx75_tz {
+		polling-delay-passive = <100>;
+		polling-delay = <0>;
+		thermal-governor = "step_wise";
+		thermal-sensors = <&pmx75_tz>;
+
+		trips {
+			pmx75_trip0: trip0 {
+				temperature = <95000>;
+				hysteresis = <0>;
+				type = "passive";
+			};
+
+			pmx75_trip1: trip1 {
+				temperature = <115000>;
+				hysteresis = <0>;
+				type = "critical";
+			};
+
+			pmx75_trip2: trip2 {
+				temperature = <145000>;
+				hysteresis = <0>;
+				type = "critical";
+			};
+		};
+	};
+};
diff --git a/qcom/sdxpinn-pmic-overlay.dtsi b/qcom/sdxpinn-pmic-overlay.dtsi
new file mode 100644
index 00000000..e39061c3
--- /dev/null
+++ b/qcom/sdxpinn-pmic-overlay.dtsi
@@ -0,0 +1,3 @@
+#include "pmk8550.dtsi"
+#include "pmx75.dtsi"
+#include "pm7550ba.dtsi"
diff --git a/qcom/sdxpinn.dtsi b/qcom/sdxpinn.dtsi
index 04d74526..6d1e4164 100644
--- a/qcom/sdxpinn.dtsi
+++ b/qcom/sdxpinn.dtsi
@@ -624,6 +624,29 @@
 		#interrupt-cells = <3>;
 		#mbox-cells = <2>;
 	};
+
+	spmi_bus: qcom,spmi@c42d000 {
+		compatible = "qcom,spmi-pmic-arb";
+		reg = <0xc42d000 0x4000>,
+		      <0xc400000 0x2800>,
+		      <0xc500000 0x200000>,
+		      <0xc440000 0x3c000>,
+		      <0xc4c0000 0x10000>;
+		reg-names = "cnfg", "core", "chnls", "obsrvr", "intr";
+		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>;
+		qcom,bus-id = <0>;
+	};
+
+	thermal_zones: thermal-zones {
+	};
 };
 
 #include "ipcc-test-sdxpinn.dtsi"