HW_SSP_CTRL0_BUS_WIDTH
reg &= ~(HW_SSP_CTRL0_BUS_WIDTH);
reg |= __SHIFTIN(BUS_WIDTH_1_BIT, HW_SSP_CTRL0_BUS_WIDTH) |
__SHIFTIN(sc->sc_bus_width, HW_SSP_CTRL0_BUS_WIDTH) |
__SHIFTIN(sc->sc_bus_width, HW_SSP_CTRL0_BUS_WIDTH) |