PCTL_PHY_DSBL_OFFS
tmp |= 1U << (PCTL_PHY_DSBL_OFFS + phy_id);
tmp |= 1U << (PCTL_PHY_DSBL_OFFS + phy_id);
tmp &= ~(1U << (PCTL_PHY_DSBL_OFFS + phy_id));
tmp &= ~(1U << (PCTL_PHY_DSBL_OFFS + phy_id));