2 files changed, 27 insertions, 0 deletions
diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h
index 83c89f5ab705..342409f7f3ec 100644
--- a/include/linux/pinctrl/pinconf-generic.h
+++ b/include/linux/pinctrl/pinconf-generic.h
@@ -115,6 +115,18 @@ enum pin_config_param {
 	PIN_CONFIG_END = 0x7FFF,
 };
 
+#ifdef CONFIG_DEBUG_FS
+#define PCONFDUMP(a, b, c, d) { .param = a, .display = b, .format = c, \
+				.has_arg = d }
+
+struct pin_config_item {
+	const enum pin_config_param param;
+	const char * const display;
+	const char * const format;
+	bool has_arg;
+};
+#endif /* CONFIG_DEBUG_FS */
+
 /*
  * Helpful configuration macro to be used in tables etc.
  */
@@ -150,6 +162,12 @@ static inline unsigned long pinconf_to_config_packed(enum pin_config_param param
 struct pinctrl_dev;
 struct pinctrl_map;
 
+struct pinconf_generic_dt_params {
+	const char * const property;
+	enum pin_config_param param;
+	u32 default_value;
+};
+
 int pinconf_generic_dt_subnode_to_map(struct pinctrl_dev *pctldev,
 		struct device_node *np, struct pinctrl_map **map,
 		unsigned *reserved_maps, unsigned *num_maps,
diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h
index cc8e1aff0e28..c58b3e11ba8e 100644
--- a/include/linux/pinctrl/pinctrl.h
+++ b/include/linux/pinctrl/pinctrl.h
@@ -24,6 +24,7 @@ struct pinctrl_dev;
 struct pinctrl_map;
 struct pinmux_ops;
 struct pinconf_ops;
+struct pin_config_item;
 struct gpio_chip;
 struct device_node;
 
@@ -117,6 +118,9 @@ struct pinctrl_ops {
  * @confops: pin config operations vtable, if you support pin configuration in
  *	your driver
  * @owner: module providing the pin controller, used for refcounting
+ * @num_dt_params: Number of driver-specific DT parameters
+ * @params: List of DT parameters
+ * @conf_items: Information how to print @params in debugfs
  */
 struct pinctrl_desc {
 	const char *name;
@@ -126,6 +130,11 @@ struct pinctrl_desc {
 	const struct pinmux_ops *pmxops;
 	const struct pinconf_ops *confops;
 	struct module *owner;
+#if defined(CONFIG_GENERIC_PINCONF) && defined(CONFIG_OF)
+	unsigned int num_dt_params;
+	const struct pinconf_generic_dt_params *params;
+	const struct pin_config_item *conf_items;
+#endif
 };
 
 /* External interface to pin controller */