clk: mediatek: add support for APMIXED parent in infra MUX

Add support for APMIXED parent in infra MUX. This is the case for mt7622
that reference APMIXED parents for the MUX1_SEL clock.

We assume the second level parent is always APMIXED.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>

diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c
index cdc00837bab81b233477cbc3dc86ed220567ca1c..231102b76219c6d8d7aa7180dc3523d79d607db0 100644 (file)
--- a/drivers/clk/mediatek/clk-mtk.c
+++ b/drivers/clk/mediatek/clk-mtk.c
@@ -489,6 +489,10 @@ static ulong mtk_find_parent_rate(struct mtk_clk_priv *priv, struct clk *clk,
        switch (flags & CLK_PARENT_MASK) {
        case CLK_PARENT_XTAL:
                return priv->tree->xtal_rate;
+       /* Assume the second level parent is always APMIXED */
+       case CLK_PARENT_APMIXED:
+               priv = dev_get_priv(priv->parent);
+               fallthrough;
        case CLK_PARENT_TOPCKGEN:
                return mtk_clk_find_parent_rate(clk, parent, priv->parent);
        default: