CDNS_GPIO_DIRECTION_MODE
dir_prev = ioread32(cgpio->regs + CDNS_GPIO_DIRECTION_MODE);
cgpio->regs + CDNS_GPIO_DIRECTION_MODE);
config.dirin = cgpio->regs + CDNS_GPIO_DIRECTION_MODE;
iowrite32(dir_prev, cgpio->regs + CDNS_GPIO_DIRECTION_MODE);