diff --git a/bindings/msm-fastrpc.txt b/bindings/msm-fastrpc.txt
index 864db51f..f6f31c56 100644
--- a/bindings/msm-fastrpc.txt
+++ b/bindings/msm-fastrpc.txt
@@ -32,6 +32,9 @@ Subnode Required properties:
 - dma-coherent	:	A flag marking a context bank as I/O coherent
 - shared-cb		:	A value indicating how many fastrpc sessions can share a
 					context bank
+- pd-type		:	A value indicating remote subsystem proess type
+- alloc-size-range:	A pair values indicating the allocation size range
+						of context bank
 
 Example:
 	qcom,msm_fastrpc {
diff --git a/sun/sun-dsp.dtsi b/sun/sun-dsp.dtsi
index 514ccc4f..d4cbd384 100644
--- a/sun/sun-dsp.dtsi
+++ b/sun/sun-dsp.dtsi
@@ -154,7 +154,8 @@
 			dma-coherent;
 			qcom,iova-best-fit;
 			qcom,iova-max-align-shift = <9>; /* Set MAX alignment to 2 MB*/
-			pd-type = <7>;	/* USERPD */
+			pd-type = <9>;	/* USER_UNSIGNEDPD_POOL */
+			alloc-size-range = <0x4000000 0xFFFFFFFF>;
 		};
 
 		compute-cb@6 {
@@ -168,7 +169,8 @@
 			dma-coherent;
 			qcom,iova-best-fit;
 			qcom,iova-max-align-shift = <9>; /* Set MAX alignment to 2 MB*/
-			pd-type = <7>;	/* USERPD */
+			pd-type = <9>;	/* USER_UNSIGNEDPD_POOL */
+			alloc-size-range = <0x4000000 0xFFFFFFFF>;
 		};
 
 		compute-cb@7 {
@@ -182,7 +184,8 @@
 			dma-coherent;
 			qcom,iova-best-fit;
 			qcom,iova-max-align-shift = <9>; /* Set MAX alignment to 2 MB*/
-			pd-type = <7>;	/* USERPD */
+			pd-type = <9>;	/* USER_UNSIGNEDPD_POOL */
+			alloc-size-range = <0x1000000 0xFFFFFFFF>;
 		};
 
 		compute-cb@8 {
@@ -196,7 +199,8 @@
 			dma-coherent;
 			qcom,iova-best-fit;
 			qcom,iova-max-align-shift = <9>; /* Set MAX alignment to 2 MB*/
-			pd-type = <7>;	/* USERPD */
+			pd-type = <9>;	/* USER_UNSIGNEDPD_POOL */
+			alloc-size-range = <0x1000000 0xFFFFFFFF>;
 		};
 
 		compute-cb@9 {
@@ -226,7 +230,8 @@
 			dma-coherent;
 			qcom,iova-best-fit;
 			qcom,iova-max-align-shift = <9>; /* Set MAX alignment to 2 MB*/
-			pd-type = <7>;	/* USERPD */
+			pd-type = <9>;	/* USER_UNSIGNEDPD_POOL */
+			alloc-size-range = <0x0 0xFFFFFFFF>;
 		};
 
 		compute-cb@11 {
@@ -241,7 +246,8 @@
 			dma-coherent;
 			qcom,iova-best-fit;
 			qcom,iova-max-align-shift = <9>; /* Set MAX alignment to 2 MB*/
-			pd-type = <7>;	/* USERPD */
+			pd-type = <9>;	/* USER_UNSIGNEDPD_POOL */
+			alloc-size-range = <0x0 0xFFFFFFFF>;
 		};
 
 		compute-cb@12 {
@@ -254,7 +260,8 @@
 			dma-coherent;
 			qcom,iova-best-fit;
 			qcom,iova-max-align-shift = <9>; /* Set MAX alignment to 2 MB*/
-			pd-type = <7>;	/* USERPD */
+			pd-type = <9>;	/* USER_UNSIGNEDPD_POOL */
+			alloc-size-range = <0x0 0xFFFFFFFF>;
 		};
 	};
 };
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