1 files changed, 20 insertions, 18 deletions

diff --git a/drivers/pinctrl/pinmux.h b/drivers/pinctrl/pinmux.h
index ea6f99c24aa5..4e826c1a5246 100644
--- a/drivers/pinctrl/pinmux.h
+++ b/drivers/pinctrl/pinmux.h
@@ -26,16 +26,16 @@ int pinmux_check_ops(struct pinctrl_dev *pctldev);
 
 int pinmux_validate_map(const struct pinctrl_map *map, int i);
 
-bool pinmux_can_be_used_for_gpio(struct pinctrl_dev *pctldev, unsigned pin);
+bool pinmux_can_be_used_for_gpio(struct pinctrl_dev *pctldev, unsigned int pin);
 
 int pinmux_request_gpio(struct pinctrl_dev *pctldev,
 			struct pinctrl_gpio_range *range,
-			unsigned pin, unsigned gpio);
-void pinmux_free_gpio(struct pinctrl_dev *pctldev, unsigned pin,
+			unsigned int pin, unsigned int gpio);
+void pinmux_free_gpio(struct pinctrl_dev *pctldev, unsigned int pin,
 		      struct pinctrl_gpio_range *range);
 int pinmux_gpio_direction(struct pinctrl_dev *pctldev,
 			  struct pinctrl_gpio_range *range,
-			  unsigned pin, bool input);
+			  unsigned int pin, bool input);
 
 int pinmux_map_to_setting(const struct pinctrl_map *map,
 			  struct pinctrl_setting *setting);
@@ -56,27 +56,27 @@ static inline int pinmux_validate_map(const struct pinctrl_map *map, int i)
 }
 
 static inline bool pinmux_can_be_used_for_gpio(struct pinctrl_dev *pctldev,
-					       unsigned pin)
+					       unsigned int pin)
 {
 	return true;
 }
 
 static inline int pinmux_request_gpio(struct pinctrl_dev *pctldev,
 			struct pinctrl_gpio_range *range,
-			unsigned pin, unsigned gpio)
+			unsigned int pin, unsigned int gpio)
 {
 	return 0;
 }
 
 static inline void pinmux_free_gpio(struct pinctrl_dev *pctldev,
-				    unsigned pin,
+				    unsigned int pin,
 				    struct pinctrl_gpio_range *range)
 {
 }
 
 static inline int pinmux_gpio_direction(struct pinctrl_dev *pctldev,
 					struct pinctrl_gpio_range *range,
-					unsigned pin, bool input)
+					unsigned int pin, bool input)
 {
 	return 0;
 }
@@ -133,15 +133,11 @@ static inline void pinmux_init_device_debugfs(struct dentry *devroot,
 
 /**
  * struct function_desc - generic function descriptor
- * @name: name of the function
- * @group_names: array of pin group names
- * @num_group_names: number of pin group names
+ * @func: generic data of the pin function (name and groups of pins)
  * @data: pin controller driver specific data
  */
 struct function_desc {
-	const char *name;
-	const char * const *group_names;
-	int num_group_names;
+	const struct pinfunction *func;
 	void *data;
 };
 
@@ -154,22 +150,28 @@ pinmux_generic_get_function_name(struct pinctrl_dev *pctldev,
 int pinmux_generic_get_function_groups(struct pinctrl_dev *pctldev,
 				       unsigned int selector,
 				       const char * const **groups,
-				       unsigned * const num_groups);
+				       unsigned int * const ngroups);
 
-struct function_desc *pinmux_generic_get_function(struct pinctrl_dev *pctldev,
-						  unsigned int selector);
+const struct function_desc *
+pinmux_generic_get_function(struct pinctrl_dev *pctldev, unsigned int selector);
 
 int pinmux_generic_add_function(struct pinctrl_dev *pctldev,
 				const char *name,
 				const char * const *groups,
-				unsigned const num_groups,
+				unsigned int const ngroups,
 				void *data);
 
+int pinmux_generic_add_pinfunction(struct pinctrl_dev *pctldev,
+				   const struct pinfunction *func, void *data);
+
 int pinmux_generic_remove_function(struct pinctrl_dev *pctldev,
 				   unsigned int selector);
 
 void pinmux_generic_free_functions(struct pinctrl_dev *pctldev);
 
+bool pinmux_generic_function_is_gpio(struct pinctrl_dev *pctldev,
+				     unsigned int selector);
+
 #else
 
 static inline void pinmux_generic_free_functions(struct pinctrl_dev *pctldev)