PHY_STAT1
regmap_read(sdhci_am654->base, PHY_STAT1, &val);
PHY_STAT1, val,
ret = regmap_read_poll_timeout(sdhci_am654->base, PHY_STAT1, val,
regmap_read(sdhci_am654->base, PHY_STAT1, &val);
PHY_STAT1, val,