diff --git a/bindings/interrupt-controller/qcom,pdc.txt b/bindings/interrupt-controller/qcom,pdc.txt
index 8e0797cb..ee7c295b 100644
--- a/bindings/interrupt-controller/qcom,pdc.txt
+++ b/bindings/interrupt-controller/qcom,pdc.txt
@@ -23,7 +23,8 @@ Properties:
 - reg:
 	Usage: required
 	Value type: <prop-encoded-array>
-	Definition: Specifies the base physical address for PDC hardware.
+	Definition: Specifies the base physical address for PDC hardware and
+	            the interrupt type configuration register.
 
 - interrupt-cells:
 	Usage: required
@@ -50,15 +51,22 @@ Properties:
 		    The second element is the GIC hwirq number for the PDC port.
 		    The third element is the number of interrupts in sequence.
 
+- qcom,scm-spi-cfg:
+	Usage: optional
+	Value type: <bool>
+	Definition: Specifies if the SPI configuration registers have to be
+		    written from the firmware.
+
 Example:
 
 	pdc: interrupt-controller@b220000 {
 		compatible = "qcom,sdm845-pdc";
-		reg = <0xb220000 0x30000>;
+		reg = <0xb220000 0x30000>, <0x179900f0 0x60>;
 		qcom,pdc-ranges = <0 512 94>, <94 641 15>, <115 662 7>;
 		#interrupt-cells = <2>;
 		interrupt-parent = <&intc>;
 		interrupt-controller;
+		qcom,scm-spi-cfg;
 	};
 
 DT binding of a device that wants to use the GIC SPI 514 as a wakeup