1 files changed, 30 insertions, 0 deletions

diff --git a/include/linux/reset-controller.h b/include/linux/reset-controller.h
index adb88f8cefbc..9326d671b6e6 100644
--- a/include/linux/reset-controller.h
+++ b/include/linux/reset-controller.h
@@ -27,12 +27,38 @@ struct device_node;
 struct of_phandle_args;
 
 /**
+ * struct reset_control_lookup - represents a single lookup entry
+ *
+ * @list: internal list of all reset lookup entries
+ * @provider: name of the reset controller device controlling this reset line
+ * @index: ID of the reset controller in the reset controller device
+ * @dev_id: name of the device associated with this reset line
+ * @con_id name of the reset line (can be NULL)
+ */
+struct reset_control_lookup {
+        struct list_head list;
+        const char *provider;
+        unsigned int index;
+        const char *dev_id;
+        const char *con_id;
+};
+
+#define RESET_LOOKUP(_provider, _index, _dev_id, _con_id)               \
+        {                                                               \
+                .provider = _provider,                                  \
+                .index = _index,                                        \
+                .dev_id = _dev_id,                                      \
+                .con_id = _con_id,                                      \
+        }
+
+/**
  * struct reset_controller_dev - reset controller entity that might
  *                               provide multiple reset controls
  * @ops: a pointer to device specific struct reset_control_ops
  * @owner: kernel module of the reset controller driver
  * @list: internal list of reset controller devices
  * @reset_control_head: head of internal list of requested reset controls
+ * @dev: corresponding driver model device struct
  * @of_node: corresponding device tree node as phandle target
  * @of_reset_n_cells: number of cells in reset line specifiers
  * @of_xlate: translation function to translate from specifier as found in the
@@ -44,6 +70,7 @@ struct reset_controller_dev {
         struct module *owner;
         struct list_head list;
         struct list_head reset_control_head;
+        struct device *dev;
         struct device_node *of_node;
         int of_reset_n_cells;
         int (*of_xlate)(struct reset_controller_dev *rcdev,
@@ -58,4 +85,7 @@ struct device;
 int devm_reset_controller_register(struct device *dev,
                                    struct reset_controller_dev *rcdev);
 
+void reset_controller_add_lookup(struct reset_control_lookup *lookup,
+                                 unsigned int num_entries);
+
 #endif