shift_reg.sv

// Copyright 2018 ETH Zurich and University of Bologna.
// Copyright and related rights are licensed under the Solderpad Hardware
// License, Version 0.51 (the "License"); you may not use this file except in
// compliance with the License.  You may obtain a copy of the License at
// http://solderpad.org/licenses/SHL-0.51. Unless required by applicable law
// or agreed to in writing, software, hardware and materials distributed under
// this License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
//
// Author: <zarubaf@iis.ee.ethz.ch>
//
// Description: Simple shift register for arbitrary depth and types

module shift_reg #(
    parameter type dtype         = logic,
    parameter int unsigned Depth = 1
)(
    input  logic clk_i,    // Clock
    input  logic rst_ni,   // Asynchronous reset active low
    input  dtype d_i,
    output dtype d_o
);

    shift_reg_gated #(
        .Depth(Depth),
        .dtype(dtype)
    ) i_shift_reg_gated (
        .clk_i  (clk_i),
        .rst_ni (rst_ni),
        .valid_i(1'b1),
        .data_i (d_i),
        .valid_o(),
        .data_o (d_o)
    );


endmodule