th1520_padcfg
void __iomem *padcfg = th1520_padcfg(thp, pin);
void __iomem *padcfg = th1520_padcfg(thp, pin);
value = readl_relaxed(th1520_padcfg(thp, pin));
u32 value = readl_relaxed(th1520_padcfg(thp, pin));