DTADR
return readl(phy->base + DTADR(phy->idx));
u32 low = readl(phy->base + DTADR(phy->idx));
curr = phy_readl_relaxed(chan->phy, DTADR);
seq_printf(s, "\tDTADR = %08x\n", _phy_readl_relaxed(phy, DTADR));