diff --git a/drivers/phy/rockchip/phy-rockchip-inno-dsidphy.c b/drivers/phy/rockchip/phy-rockchip-inno-dsidphy.c
index 25c02ebde0f4..0932c20063df 100644
--- a/drivers/phy/rockchip/phy-rockchip-inno-dsidphy.c
+++ b/drivers/phy/rockchip/phy-rockchip-inno-dsidphy.c
@@ -846,6 +846,12 @@ static int inno_dsidphy_power_on(struct phy *phy)
 	phy_update_bits(inno, REGISTER_PART_ANALOG, 0x00,
 			POWER_WORK_MASK, POWER_WORK_ENABLE);
 
+	if (inno->pdata->soc_type == RK3506) {
+		/* The internal 1.2V LDO power on */
+		phy_update_bits(inno, REGISTER_PART_ANALOG, 0x17, BIT(7), 0);
+		phy_update_bits(inno, REGISTER_PART_ANALOG, 0x1d, BIT(7), 0);
+	}
+
 	switch (mode) {
 	case PHY_MODE_MIPI_DPHY:
 		inno_dsidphy_mipi_mode_enable(inno);
@@ -881,6 +887,12 @@ static int inno_dsidphy_power_off(struct phy *phy)
 			LVDS_PLL_POWER_MASK | LVDS_BANDGAP_POWER_MASK,
 			LVDS_PLL_POWER_OFF | LVDS_BANDGAP_POWER_DOWN);
 
+	if (inno->pdata->soc_type == RK3506) {
+		/* The internal 1.2V LDO power off */
+		phy_update_bits(inno, REGISTER_PART_ANALOG, 0x17, BIT(7), BIT(7));
+		phy_update_bits(inno, REGISTER_PART_ANALOG, 0x1d, BIT(7), BIT(7));
+	}
+
 	pm_runtime_put(inno->dev);
 	clk_disable_unprepare(inno->ref_clk);
 	clk_disable_unprepare(inno->pclk_phy);