[PATCH 12/12] clk: mediatek: add support for APMIXED parent in infra MUX

[Christian Marangi]

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 at gmail.com>
---
 drivers/clk/mediatek/clk-mtk.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c
index c1d171624b9..66683aeb2d7 100644
--- a/drivers/clk/mediatek/clk-mtk.c
+++ b/drivers/clk/mediatek/clk-mtk.c
@@ -488,6 +488,10 @@ 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:
-- 
2.45.1