+static int _gpio_request_by_name_nodev(const void *blob, int node,
+ const char *list_name, int index,
+ struct gpio_desc *desc, int flags,
+ bool add_index)
+{
+ struct fdtdec_phandle_args args;
+ int ret;
+
+ desc->dev = NULL;
+ desc->offset = 0;
+ desc->flags = 0;
+ ret = fdtdec_parse_phandle_with_args(blob, node, list_name,
+ "#gpio-cells", 0, index, &args);
+ if (ret) {
+ debug("%s: fdtdec_parse_phandle_with_args failed\n", __func__);
+ goto err;
+ }
+
+ ret = uclass_get_device_by_of_offset(UCLASS_GPIO, args.node,
+ &desc->dev);
+ if (ret) {
+ debug("%s: uclass_get_device_by_of_offset failed\n", __func__);
+ goto err;
+ }
+ ret = gpio_find_and_xlate(desc, &args);
+ if (ret) {
+ debug("%s: gpio_find_and_xlate failed\n", __func__);
+ goto err;
+ }
+ ret = dm_gpio_requestf(desc, add_index ? "%s.%s%d" : "%s.%s",
+ fdt_get_name(blob, node, NULL),
+ list_name, index);
+ if (ret) {
+ debug("%s: dm_gpio_requestf failed\n", __func__);
+ goto err;
+ }
+ ret = dm_gpio_set_dir_flags(desc, flags | desc->flags);
+ if (ret) {
+ debug("%s: dm_gpio_set_dir failed\n", __func__);
+ goto err;
+ }
+
+ return 0;
+err:
+ debug("%s: Node '%s', property '%s', failed to request GPIO index %d: %d\n",
+ __func__, fdt_get_name(blob, node, NULL), list_name, index, ret);
+ return ret;
+}
+
+int gpio_request_by_name_nodev(const void *blob, int node,
+ const char *list_name, int index,
+ struct gpio_desc *desc, int flags)
+{
+ return _gpio_request_by_name_nodev(blob, node, list_name, index, desc,
+ flags, index > 0);
+}
+
+int gpio_request_by_name(struct udevice *dev, const char *list_name, int index,
+ struct gpio_desc *desc, int flags)
+{
+ /*
+ * This isn't ideal since we don't use dev->name in the debug()
+ * calls in gpio_request_by_name(), but we can do this until
+ * gpio_request_by_name_nodev() can be dropped.
+ */
+ return gpio_request_by_name_nodev(gd->fdt_blob, dev->of_offset,
+ list_name, index, desc, flags);
+}
+
+int gpio_request_list_by_name_nodev(const void *blob, int node,
+ const char *list_name,
+ struct gpio_desc *desc, int max_count,
+ int flags)
+{
+ int count;
+ int ret;
+
+ for (count = 0; count < max_count; count++) {
+ ret = _gpio_request_by_name_nodev(blob, node, list_name, count,
+ &desc[count], flags, true);
+ if (ret == -ENOENT)
+ break;
+ else if (ret)
+ goto err;
+ }
+
+ /* We ran out of GPIOs in the list */
+ return count;
+
+err:
+ gpio_free_list_nodev(desc, count - 1);
+
+ return ret;
+}
+
+int gpio_request_list_by_name(struct udevice *dev, const char *list_name,
+ struct gpio_desc *desc, int max_count,
+ int flags)
+{
+ /*
+ * This isn't ideal since we don't use dev->name in the debug()
+ * calls in gpio_request_by_name(), but we can do this until
+ * gpio_request_list_by_name_nodev() can be dropped.
+ */
+ return gpio_request_list_by_name_nodev(gd->fdt_blob, dev->of_offset,
+ list_name, desc, max_count,
+ flags);
+}
+
+int gpio_get_list_count(struct udevice *dev, const char *list_name)
+{
+ int ret;
+
+ ret = fdtdec_parse_phandle_with_args(gd->fdt_blob, dev->of_offset,
+ list_name, "#gpio-cells", 0, -1,
+ NULL);
+ if (ret) {
+ debug("%s: Node '%s', property '%s', GPIO count failed: %d\n",
+ __func__, dev->name, list_name, ret);
+ }
+
+ return ret;
+}
+
+int dm_gpio_free(struct udevice *dev, struct gpio_desc *desc)
+{
+ /* For now, we don't do any checking of dev */
+ return _dm_gpio_free(desc->dev, desc->offset);
+}
+
+int gpio_free_list(struct udevice *dev, struct gpio_desc *desc, int count)
+{
+ int i;
+
+ /* For now, we don't do any checking of dev */
+ for (i = 0; i < count; i++)
+ dm_gpio_free(dev, &desc[i]);
+
+ return 0;
+}
+
+int gpio_free_list_nodev(struct gpio_desc *desc, int count)
+{
+ return gpio_free_list(NULL, desc, count);
+}
+