YT8521_RC1R_RX_DELAY_MASK
val |= FIELD_PREP(YT8521_RC1R_RX_DELAY_MASK, rx_reg);
val |= FIELD_PREP(YT8521_RC1R_RX_DELAY_MASK, rx_reg) |
mask = YT8521_RC1R_RX_DELAY_MASK | YT8521_RC1R_GE_TX_DELAY_MASK;