diff --git a/docs/rfcs/XeGPU.md b/docs/rfcs/XeGPU.md
index 2bc35432e..421515e13 100644
--- a/docs/rfcs/XeGPU.md
+++ b/docs/rfcs/XeGPU.md
@@ -61,7 +61,7 @@ create_nd_tdesc creates a tensor descriptor that covers an array of 2D subtensor
      	into tensor_desc<8x16xbf16, array_length=2>
 ```
 
-create_nd_tdesc also accepts a memref as input instead of a memory address, shapes, and sizes.
+create_nd_tdesc also accepts a memref as input instead of a memory address, shapes, and sizes. The memref can be high-dimension.
 ```mlir
  #sg_map_a = xegpu.sg_map<wi_layout = [2, 8], wi_data = [1, 2]>
  %tdesc1 = XeGPU.create_nd_tdesc %mref, %offsets:2
@@ -71,6 +71,10 @@ create_nd_tdesc also accepts a memref as input instead of a memory address, shap
  %tdesc2 = XeGPU.create_nd_tdesc  %mref, %offsets:2 {mode =vc}
 		: memref<1024x1024xbf16>, index, index
      	into tensor_desc<8x16xbf16>
+
+ %tdesc2 = XeGPU.create_nd_tdesc  %mref, %offsets:4 {mode =vc}
+		: memref<4x4x1024x1024xbf16>, index, index
+     	into tensor_desc<8x16xbf16>
 ```
 
 The example below accepts a memory address and an offset and creates a 1D tensor_desc. The tensor_desc describes a 1D vector that is loaded by all WI threads combined within the subgroup.
diff --git a/docs/rfcs/XeTile.md b/docs/rfcs/XeTile.md
index ffdc33704..7dc8abd82 100644
--- a/docs/rfcs/XeTile.md
+++ b/docs/rfcs/XeTile.md
@@ -45,6 +45,13 @@ To create a 2D Tile memory descriptor, the user needs to set up a tile (init_til
   %tile0 = XeTile.init_tile %base_memref, [%tile_offset:2] :
      memref<128x128xbf16> into tile<8x16xbf16>
 ```
+
+`init_tile` can take high-dimension memref as input. The innermost two dimension of input memref are used to derive the tile's base_shape and base_strides.
+```mlir
+  %tile0 = XeTile.init_tile %base_memref, [%tile_offset:4] :
+     memref<4x4x128x128xbf16> into tile<8x16xbf16>
+```
+
 `init_tile` with memref of dynamic shape. The memref has a dynamic shape, so that its shape and strides have to be passed as runtime parameters to init_tile.
 ```mlir
   %tile0 = XeTile.init_tile %base_memref, [%tile_offset:2], [%base_shape:2], [%base_strides:2]:
@@ -61,9 +68,15 @@ To create a 2D Tile memory descriptor, the user needs to set up a tile (init_til
 ```mlir
   #tile_attr = #xetile.tile_attr<order = [0, 1]>
   %tile0 = XeTile.init_tile %base_memref, [%tile_offset:2]:
-     memref<128x128xbf16, affine_map=<(d0, d1)->(d1, d0)> into tile<64x32xbf16, #tile_attr>
+     memref<128x128xbf16, affine_map=<(d0, d1)->(d1, d0)>> into tile<64x32xbf16, #tile_attr>
 ```
 
+The tile with `order` attribute can be created from the high-dimension memref.
+```mlir
+  #tile_attr = #xetile.tile_attr<order = [0, 1]>
+  %tile0 = XeTile.init_tile %base_memref, [%tile_offset:4]:
+     memref<4x4x128x128xbf16, affine_map=<(d3, d2, d0, d1)->(d3, d2, d1, d0)>> into tile<64x32xbf16, #tile_attr>
+```
 
 With the tile date type, XeTile supports load_tile, prefetch_tile, and store_tile.