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diff --git a/src/gpu/cl/kernels/ClCol2ImKernel.h b/src/gpu/cl/kernels/ClCol2ImKernel.h
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+/*
+ * Copyright (c) 2017-2021 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef ARM_COMPUTE_CL_COL2IM_KERNEL_H
+#define ARM_COMPUTE_CL_COL2IM_KERNEL_H
+
+#include "arm_compute/core/Size2D.h"
+
+#include "src/core/common/Macros.h"
+#include "src/gpu/cl/ClCompileContext.h"
+#include "src/gpu/cl/IClKernel.h"
+
+namespace arm_compute
+{
+namespace opencl
+{
+namespace kernels
+{
+/** Interface for the col2im reshaping kernel.
+ *
+ * Rearranges each matrix column into image blocks. It's the inverse operation of @ref opencl::kernels::ClIm2ColKernel.
+ *
+ * For example, a vector of 9 elements can be reshaped to a block(image) of 3x3:
+ *
+ * @f[
+ * \left( \begin{array}{ccccccccc}
+ * a0 & a1 & a2 & a3 & a4 & a5 & a6 & a7 & a8 \\
+ * \end{array} \right)
+ * \rightarrow
+ * \left( \begin{array}{ccc}
+ * a0 & a1 & a2 \\
+ * a3 & a4 & a5 \\
+ * a6 & a7 & a8 \\
+ * \end{array} \right)
+ * @f]
+ */
+class ClCol2ImKernel : public IClKernel
+{
+public:
+    /** Default constructor */
+    ClCol2ImKernel();
+    ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(ClCol2ImKernel);
+    /** Set the input and output of the kernel.
+     *
+     * @param[in]  compile_context The compile context to be used.
+     * @param[in]  src             The input tensor info to convert. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32
+     * @param[out] dst             The output tensor info. 3 lower dimensions represent a single output [width, height, OFM],
+     *                             while the rest represent batch of outputs. Data types supported: Same as @p input. Data layout: NCHW
+     * @param[in]  convolved_dims  Output convolved dimensions.
+     * @param[in]  num_groups      (Optional) Number of groups when performing a grouped convolution
+     */
+    void configure(const CLCompileContext &compile_context,
+                   ITensorInfo            *src,
+                   ITensorInfo            *dst,
+                   const Size2D           &convolved_dims,
+                   unsigned int            num_groups = 1);
+    /** Static function to check if given info will lead to a valid configuration
+     *
+     * Similar to ClCol2ImKernel::configure()
+     *
+     * @return a status
+     */
+    static Status
+    validate(const ITensorInfo *src, const ITensorInfo *dst, const Size2D &convolved_dims, unsigned int num_groups = 1);
+
+    // Inherited methods overridden:
+    void run_op(ITensorPack &tensors, const Window &window, cl::CommandQueue &queue) override;
+
+public:
+    Size2D _convolved_dims;
+};
+} // namespace kernels
+} // namespace opencl
+} // namespace arm_compute
+#endif /*ARM_COMPUTE_CL_COL2IM_KERNEL_H */