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clk: imx: imx8mm: add set_parent callback

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Add set_parent callback, then assigned-clock-parents in dts could
be work.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de>
This commit is contained in:
Peng Fan 2019-10-22 03:29:51 +00:00 committed by Stefano Babic
parent 3bdd558737
commit ddf66d2159
1 changed files with 19 additions and 0 deletions
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19
drivers/clk/imx/clk-imx8mm.c
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@ -175,11 +175,30 @@ static int imx8mm_clk_enable(struct clk *clk)
return __imx8mm_clk_enable(clk, 1); 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 = { static struct clk_ops imx8mm_clk_ops = {
.set_rate = imx8mm_clk_set_rate, .set_rate = imx8mm_clk_set_rate,
.get_rate = imx8mm_clk_get_rate, .get_rate = imx8mm_clk_get_rate,
.enable = imx8mm_clk_enable, .enable = imx8mm_clk_enable,
.disable = imx8mm_clk_disable, .disable = imx8mm_clk_disable,
.set_parent = imx8mm_clk_set_parent,
}; };
static int imx8mm_clk_probe(struct udevice *dev) static int imx8mm_clk_probe(struct udevice *dev)