clk: imx: clk-imxrt1050: add set_parent() callback
authorGiulio Benetti <giulio.benetti@benettiengineering.com>
Wed, 8 Apr 2020 15:10:10 +0000 (17:10 +0200)
committerStefano Babic <sbabic@denx.de>
Sat, 18 Apr 2020 10:54:43 +0000 (12:54 +0200)
Need to add set_parent() callback to allow dts assigned-clock-parents to
work so let's add it accordingly.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
drivers/clk/imx/clk-imxrt1050.c

index bb1264460520a835699a7c2d4643152d28954e82..329f4580c5a01d0deb12837213e57c58df65acd2 100644 (file)
@@ -71,11 +71,30 @@ static int imxrt1050_clk_enable(struct clk *clk)
        return __imxrt1050_clk_enable(clk, 1);
 }
 
+static int imxrt1050_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 imxrt1050_clk_ops = {
        .set_rate = imxrt1050_clk_set_rate,
        .get_rate = imxrt1050_clk_get_rate,
        .enable = imxrt1050_clk_enable,
        .disable = imxrt1050_clk_disable,
+       .set_parent = imxrt1050_clk_set_parent,
 };
 
 static const char * const pll_ref_sels[] = {"osc", "dummy", };