how to define an input in Entity with 2D-array?

i want to define an input with 2D array in an entity how can i make th开发者_Go百科at

i tried to define a d input by this code

ENTITY ShRegister IS
  port(
    clk,rst:in std_logic;
    d:in std_logic_vector(3 downto 0);
    q:out std_logic
    );
END ENTITY ShRegister;

But Not Working