dm: core: support reading a single indexed u32 value

[oweals/u-boot.git] / include / dm / ofnode.h

diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h
index b5a50e88499a04d15b7e0c3cee29367a7ed31454..ce5e366c06273f643c45a0926752cea08cf56997 100644 (file)
--- a/include/dm/ofnode.h
+++ b/include/dm/ofnode.h
@@ -202,6 +202,18 @@ static inline ofnode ofnode_null(void)
  */
 int ofnode_read_u32(ofnode node, const char *propname, u32 *outp);
 
+/**
+ * ofnode_read_u32_index() - Read a 32-bit integer from a multi-value property
+ *
+ * @ref:       valid node reference to read property from
+ * @propname:  name of the property to read from
+ * @index:     index of the integer to return
+ * @outp:      place to put value (if found)
+ * @return 0 if OK, -ve on error
+ */
+int ofnode_read_u32_index(ofnode node, const char *propname, int index,
+                         u32 *outp);
+
 /**
  * ofnode_read_s32() - Read a 32-bit integer from a property
  *
@@ -226,6 +238,19 @@ static inline int ofnode_read_s32(ofnode node, const char *propname,
  */
 u32 ofnode_read_u32_default(ofnode ref, const char *propname, u32 def);
 
+/**
+ * ofnode_read_u32_index_default() - Read a 32-bit integer from a multi-value
+ *                                   property
+ *
+ * @ref:       valid node reference to read property from
+ * @propname:  name of the property to read from
+ * @index:     index of the integer to return
+ * @def:       default value to return if the property has no value
+ * @return property value, or @def if not found
+ */
+u32 ofnode_read_u32_index_default(ofnode ref, const char *propname, int index,
+                                 u32 def);
+
 /**
  * ofnode_read_s32_default() - Read a 32-bit integer from a property
  *