XSPI_BMCTL0_CS0ACC
regmap_update_bits(xspi->regmap, XSPI_BMCTL0, XSPI_BMCTL0_CS0ACC(0xff),
XSPI_BMCTL0_CS0ACC(0x01));
XSPI_BMCTL0_CS0ACC(0xff), XSPI_BMCTL0_CS0ACC(0x03));