just add this to
cd /opt/retropie/configs/all/retroarch-joypads/
create a file on notepad with this info and name it
Sony-PlayStation4-DualShock4-Controller.cfg
input_device = “Sony Computer Entertainment Wireless Controller”
input_driver = “udev”
input_vendor_id = 1356
input_product_id = 1476
input_b_btn = “1”
input_y_btn = “0”
input_select_btn = “8”
input_start_btn = “9”
input_up_btn = “h0up”
input_down_btn = “h0down”
input_left_btn = “h0left”
input_right_btn = “h0right”
input_a_btn = “2”
input_x_btn = “3”
input_l_btn = “4”
input_r_btn = “5”
input_l2_btn = “6”
input_r2_btn = “7”
input_l3_btn = “10”
input_r3_btn = “11”
input_l_x_plus_axis = “+0″
input_l_x_minus_axis = “-0″
input_l_y_plus_axis = “+1″
input_l_y_minus_axis = “-1″
input_r_x_plus_axis = “+2″
input_r_x_minus_axis = “-2″
input_r_y_plus_axis = “+5″
input_r_y_minus_axis = “-5″
input_menu_toggle_btn = “3”
input_b_btn_label = “Cross”
input_y_btn_label = “Square”
input_select_btn_label = “Options”
input_start_btn_label = “Share”
input_up_btn_label = “D-Pad Up”
input_down_btn_label = “D-Pad Down”
input_left_btn_label = “D-Pad Left”
input_right_btn_label = “D-Pad Right”
input_a_btn_label = “Circle”
input_x_btn_label = “Triangle”
input_l_btn_label = “L1″
input_r_btn_label = “R1″
input_l2_btn_label = “L2″
input_r2_btn_label = “R2″
input_l3_btn_label = “L3″
input_r3_btn_label = “R3″
input_l_x_plus_axis_label = “Left Analog Right”
input_l_x_minus_axis_label = “Left Analog Left”
input_l_y_plus_axis_label = “Left Analog Down”
input_l_y_minus_axis_label = “Left Analog Up”
input_r_x_plus_axis_label = “Right Analog Right”
input_r_x_minus_axis_label = “Right Analog Left”
input_r_y_plus_axis_label = “Right Analog Down”
input_r_y_minus_axis_label = “Right Analog Up”
input_menu_toggle_btn_label = “PS”
input_enable_hotkey_btn = “8”
input_exit_emulator_btn = “9”
input_load_state_btn = “6”
input_save_state_btn = “7”
input_reset_btn = “1”
input_state_slot_increase_btn = “h0right”
input_state_slot_decrease_btn = “h0left”
# input_shader_next_btn = “5”
# input_shader_prev_btn = “4”
This drivers come included with the Retropie RC1