[PATCH 2/3] clk: imx: imx8mn: add set_parent callback
Alifer Moraes
alifer.wsdm at gmail.com
Fri Feb 14 17:08:28 CET 2020
Add set_parent callback, then assigned-clock-parents in dts could work properly
Signed-off-by: Alifer Moraes <alifer.wsdm at gmail.com>
---
drivers/clk/imx/clk-imx8mn.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
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)
--
2.17.1
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