Add set_parent callback, then assigned-clock-parents in dts could be work.
Signed-off-by: Peng Fan peng.fan@nxp.com --- drivers/clk/imx/clk-imx8mm.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)
diff --git a/drivers/clk/imx/clk-imx8mm.c b/drivers/clk/imx/clk-imx8mm.c index 4911345fd9..091b092bbb 100644 --- a/drivers/clk/imx/clk-imx8mm.c +++ b/drivers/clk/imx/clk-imx8mm.c @@ -175,11 +175,30 @@ static int imx8mm_clk_enable(struct clk *clk) return __imx8mm_clk_enable(clk, 1); }
+static int imx8mm_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 imx8mm_clk_ops = { .set_rate = imx8mm_clk_set_rate, .get_rate = imx8mm_clk_get_rate, .enable = imx8mm_clk_enable, .disable = imx8mm_clk_disable, + .set_parent = imx8mm_clk_set_parent, };
static int imx8mm_clk_probe(struct udevice *dev)