diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
index 548ee82ff3b4..9c2d790d3a90 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
@@ -2557,6 +2557,9 @@ static const struct rk_gmac_ops rv1126_ops = {
 #define RV1126B_RK_MACPHY_DISABLE		0
 #define RV1126B_RK_MACPHY_ENABLE		BIT(31)
 
+#define RV1126B_RK_MACPHY_EXTCLK_SEL_OUTPUT	0
+#define RV1126B_RK_MACPHY_EXTCLK_SEL_INPUT	BIT(8)
+
 #define RV1126B_RK_MACPHY_CLK_24M		0
 #define RV1126B_RK_MACPHY_CLK_50M		BIT(11)
 
@@ -2680,11 +2683,14 @@ static void rv1126b_integrated_phy_power(struct rk_priv_data *priv, bool up)
 		usleep_range(20, 40);
 
 		if (priv->clk_phy_rate == 50000000)
-			regmap_write(priv->grf, RV1126B_VI_GRF_RK_MACPHY_CON2,
-				     RV1126B_RK_MACPHY_CLK_50M);
+			value = RV1126B_RK_MACPHY_CLK_50M;
 		else
-			regmap_write(priv->grf, RV1126B_VI_GRF_RK_MACPHY_CON2,
-				     RV1126B_RK_MACPHY_CLK_24M);
+			value = RV1126B_RK_MACPHY_CLK_24M;
+
+		value |= priv->clock_input ? RV1126B_RK_MACPHY_EXTCLK_SEL_INPUT :
+					     RV1126B_RK_MACPHY_EXTCLK_SEL_OUTPUT;
+
+		regmap_write(priv->grf, RV1126B_VI_GRF_RK_MACPHY_CON2, value);
 
 		regmap_write(priv->grf, RV1126B_VI_GRF_RK_MACPHY_CON0,
 			     RV1126B_RK_MACPHY_PHY_ID | RV1126B_RK_MACPHY_PHY_ADDR);