CAR_CLK_ENB_W_SET_REG
CAR_CLK_ENB_W_SET_REG, CAR_CLK_ENB_W_CLR_REG, \
bus_space_write_4(bst, bsh, CAR_CLK_ENB_W_SET_REG, CAR_DEV_W_XUSB);
bus_space_write_4(bst, bsh, CAR_CLK_ENB_W_SET_REG, CAR_DEV_W_XUSB);
bus_space_write_4(bst, bsh, CAR_CLK_ENB_W_SET_REG, CAR_DEV_W_XUSB_PADCTL);
CAR_CLK_ENB_W_SET_REG, CAR_CLK_ENB_W_CLR_REG, \