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/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c
index fbea720..20ee0c5 100644
--- a/drivers/clk/clk-uclass.c
+++ b/drivers/clk/clk-uclass.c
@@ -188,6 +188,18 @@
return ops->set_rate(clk, rate);
}
+int clk_set_parent(struct clk *clk, struct clk *parent)
+{
+ const struct clk_ops *ops = clk_dev_ops(clk->dev);
+
+ debug("%s(clk=%p, parent=%p)\n", __func__, clk, parent);
+
+ if (!ops->set_parent)
+ return -ENOSYS;
+
+ return ops->set_parent(clk, parent);
+}
+
int clk_enable(struct clk *clk)
{
const struct clk_ops *ops = clk_dev_ops(clk->dev);