apalis_imx6: unify sd/mmc drive strength with linux kernel settings

[oweals/u-boot.git] / include / syscon.h

diff --git a/include/syscon.h b/include/syscon.h
index d3261aae06ee10e898d100cc99cc7e8f2ddaf5ba..3df96e32764cd681d88804dc1dd0b9107ac4be0b 100644 (file)
--- a/include/syscon.h
+++ b/include/syscon.h
@@ -7,6 +7,7 @@
 #ifndef __SYSCON_H
 #define __SYSCON_H
 
+#include <dm/ofnode.h>
 #include <fdtdec.h>
 
 /**
@@ -72,6 +73,19 @@ int syscon_get_by_driver_data(ulong driver_data, struct udevice **devp);
  */
 struct regmap *syscon_get_regmap_by_driver_data(ulong driver_data);
 
+/**
+ * syscon_regmap_lookup_by_phandle() - Look up a controller by a phandle
+ *
+ * This operates by looking up the given name in the device (device
+ * tree property) of the device using the system controller.
+ *
+ * @dev:       Device using the system controller
+ * @name:      Name of property referring to the system controller
+ * @return     A pointer to the regmap if found, ERR_PTR(-ve) on error
+ */
+struct regmap *syscon_regmap_lookup_by_phandle(struct udevice *dev,
+                                              const char *name);
+
 /**
  * syscon_get_first_range() - get the first memory range from a syscon regmap
  *
@@ -81,4 +95,11 @@ struct regmap *syscon_get_regmap_by_driver_data(ulong driver_data);
  */
 void *syscon_get_first_range(ulong driver_data);
 
+/**
+ * syscon_node_to_regmap - get regmap from syscon
+ *
+ * @node:              Device node of syscon
+ */
+struct regmap *syscon_node_to_regmap(ofnode node);
+
 #endif