+ struct exynos_gpio_platdata *plat = parent->platdata;
+ struct s5p_gpio_bank *bank, *base;
+ const void *blob = gd->fdt_blob;
+ int node;
+
+ /* If this is a child device, there is nothing to do here */
+ if (plat)
+ return 0;
+
+ base = (struct s5p_gpio_bank *)fdtdec_get_addr(gd->fdt_blob,
+ parent->of_offset, "reg");
+ for (node = fdt_first_subnode(blob, parent->of_offset), bank = base;
+ node > 0;
+ node = fdt_next_subnode(blob, node), bank++) {
+ struct exynos_gpio_platdata *plat;
+ struct udevice *dev;
+ fdt_addr_t reg;
+ int ret;
+
+ if (!fdtdec_get_bool(blob, node, "gpio-controller"))
+ continue;
+ plat = calloc(1, sizeof(*plat));
+ if (!plat)
+ return -ENOMEM;
+ reg = fdtdec_get_addr(blob, node, "reg");
+ if (reg != FDT_ADDR_T_NONE)
+ bank = (struct s5p_gpio_bank *)((ulong)base + reg);
+ plat->bank = bank;
+ plat->bank_name = fdt_get_name(blob, node, NULL);
+ debug("dev at %p: %s\n", bank, plat->bank_name);
+
+ ret = device_bind(parent, parent->driver,
+ plat->bank_name, plat, -1, &dev);
+ if (ret)
+ return ret;
+ dev->of_offset = node;
+ }