[2/3] clk: imx: imx8mn: add set_parent callback
diff mbox series

Message ID 20200214160829.27994-2-alifer.wsdm@gmail.com
State New
Delegated to: Stefano Babic
Headers show
Series
  • [1/3] clk: imx: imx8mn: add enet clk
Related show

Commit Message

Alifer Moraes Feb. 14, 2020, 4:08 p.m. UTC
Add set_parent callback, then assigned-clock-parents in dts could work properly

Signed-off-by: Alifer Moraes <alifer.wsdm@gmail.com>
---
 drivers/clk/imx/clk-imx8mn.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

Patch
diff mbox series

diff --git a/drivers/clk/imx/clk-imx8mn.c b/drivers/clk/imx/clk-imx8mn.c
index 103ba770ed..2abd9a3810 100644
--- a/drivers/clk/imx/clk-imx8mn.c
+++ b/drivers/clk/imx/clk-imx8mn.c
@@ -175,11 +175,30 @@  static int imx8mn_clk_enable(struct clk *clk)
 	return __imx8mn_clk_enable(clk, 1);
 }
 
+static int imx8mn_clk_set_parent(struct clk *clk, struct clk *parent)
+{
+	struct clk *c, *cp;
+	int ret;
+
+	debug("%s(#%lu), parent: %lu\n", __func__, clk->id, parent->id);
+
+	ret = clk_get_by_id(clk->id, &c);
+	if (ret)
+		return ret;
+
+	ret = clk_get_by_id(parent->id, &cp);
+	if (ret)
+		return ret;
+
+	return clk_set_parent(c, cp);
+}
+
 static struct clk_ops imx8mn_clk_ops = {
 	.set_rate = imx8mn_clk_set_rate,
 	.get_rate = imx8mn_clk_get_rate,
 	.enable = imx8mn_clk_enable,
 	.disable = imx8mn_clk_disable,
+	.set_parent = imx8mn_clk_set_parent,
 };
 
 static int imx8mn_clk_probe(struct udevice *dev)