diff --git a/arch/arm64/boot/dts/amlogic/g12b_a311d_skt.dts b/arch/arm64/boot/dts/amlogic/g12b_a311d_skt.dts
index 55dcc8b40dc9..fb4e32ce0e5f 100644
--- a/arch/arm64/boot/dts/amlogic/g12b_a311d_skt.dts
+++ b/arch/arm64/boot/dts/amlogic/g12b_a311d_skt.dts
@@ -114,6 +114,11 @@
 			size = <0x0 0x02800000>;
 			alignment = <0x0 0x400000>;
 		};
+		/*  POST PROCESS MANAGER */
+		ppmgr_reserved:linux,ppmgr {
+			compatible = "shared-dma-pool";
+			size = <0x0 0x0>;
+		};
 		codec_mm_cma:linux,codec_mm_cma {
 			compatible = "shared-dma-pool";
 			reusable;
@@ -251,6 +256,13 @@
 		status = "okay";
 	};
 
+	ppmgr {
+		compatible = "amlogic, ppmgr";
+		memory-region = <&ppmgr_reserved>;
+		dev_name = "ppmgr";
+		status = "okay";
+	};
+
 	deinterlace {
 		compatible = "amlogic, deinterlace";
 		status = "okay";