THC_M_PRT_RPRD_CNTRL_SW_THC_SWDMA_I2C_WBC
mask = THC_M_PRT_RPRD_CNTRL_SW_THC_SWDMA_I2C_WBC |
val = FIELD_PREP(THC_M_PRT_RPRD_CNTRL_SW_THC_SWDMA_I2C_WBC, write_len) |