clk: add clk_set_parent()
Clocks may support multiple parents: this change introduces an
optional operation on the clk-uclass to set a clock's parent.
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Tested-by: David Wu <david.wu@rock-chips.com>
Series-changes: 2
- Fixed David's email address.
diff --git a/include/clk-uclass.h b/include/clk-uclass.h
index e7ea334..75933eb 100644
--- a/include/clk-uclass.h
+++ b/include/clk-uclass.h
@@ -78,6 +78,14 @@
*/
ulong (*set_rate)(struct clk *clk, ulong rate);
/**
+ * set_parent() - Set current clock parent
+ *
+ * @clk: The clock to manipulate.
+ * @parent: New clock parent.
+ * @return zero on success, or -ve error code.
+ */
+ int (*set_parent)(struct clk *clk, struct clk *parent);
+ /**
* enable() - Enable a clock.
*
* @clk: The clock to manipulate.