diff --git a/Documentation/devicetree/bindings/phy/rockchip-dp-phy.txt b/Documentation/devicetree/bindings/phy/rockchip-dp-phy.txt
index 50c4f9b00adff971d32cda52189cd29880cf694e..e3b4809fbe82c4798b7e5bef55e666505d6df527 100644
--- a/Documentation/devicetree/bindings/phy/rockchip-dp-phy.txt
+++ b/Documentation/devicetree/bindings/phy/rockchip-dp-phy.txt
@@ -8,15 +8,19 @@ Required properties:
 	of memory mapped region.
 - clock-names: from common clock binding:
 	Required elements: "24m"
-- rockchip,grf: phandle to the syscon managing the "general register files"
 - #phy-cells : from the generic PHY bindings, must be 0;
 
 Example:
 
-edp_phy: edp-phy {
-	compatible = "rockchip,rk3288-dp-phy";
-	rockchip,grf = <&grf>;
-	clocks = <&cru SCLK_EDP_24M>;
-	clock-names = "24m";
-	#phy-cells = <0>;
+grf: syscon@ff770000 {
+	compatible = "rockchip,rk3288-grf", "syscon", "simple-mfd";
+
+...
+
+	edp_phy: edp-phy {
+		compatible = "rockchip,rk3288-dp-phy";
+		clocks = <&cru SCLK_EDP_24M>;
+		clock-names = "24m";
+		#phy-cells = <0>;
+	};
 };
diff --git a/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt b/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt
index 61916f15a949cdae63356e7f4c827b8a9e394841..555cb0f406908a0fc5ebfc995a8df97af8a2dcba 100644
--- a/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt
+++ b/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt
@@ -3,17 +3,23 @@ Rockchip EMMC PHY
 
 Required properties:
  - compatible: rockchip,rk3399-emmc-phy
- - rockchip,grf : phandle to the syscon managing the "general
-   register files"
  - #phy-cells: must be 0
- - reg: PHY configure reg address offset in "general
+ - reg: PHY register address offset and length in "general
    register files"
 
 Example:
 
-emmcphy: phy {
-	compatible = "rockchip,rk3399-emmc-phy";
-	rockchip,grf = <&grf>;
-	reg = <0xf780>;
-	#phy-cells = <0>;
+
+grf: syscon@ff770000 {
+	compatible = "rockchip,rk3399-grf", "syscon", "simple-mfd";
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+...
+
+	emmcphy: phy@f780 {
+		compatible = "rockchip,rk3399-emmc-phy";
+		reg = <0xf780 0x20>;
+		#phy-cells = <0>;
+	};
 };
diff --git a/drivers/phy/phy-rockchip-dp.c b/drivers/phy/phy-rockchip-dp.c
index 77e2d02e6bee228ac033a28cccea90047439ed86..793ecb6d87bcaa2a56a914b2745bea6453929637 100644
--- a/drivers/phy/phy-rockchip-dp.c
+++ b/drivers/phy/phy-rockchip-dp.c
@@ -86,6 +86,9 @@ static int rockchip_dp_phy_probe(struct platform_device *pdev)
 	if (!np)
 		return -ENODEV;
 
+	if (!dev->parent || !dev->parent->of_node)
+		return -ENODEV;
+
 	dp = devm_kzalloc(dev, sizeof(*dp), GFP_KERNEL);
 	if (IS_ERR(dp))
 		return -ENOMEM;
@@ -104,9 +107,9 @@ static int rockchip_dp_phy_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	dp->grf = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");
+	dp->grf = syscon_node_to_regmap(dev->parent->of_node);
 	if (IS_ERR(dp->grf)) {
-		dev_err(dev, "rk3288-dp needs rockchip,grf property\n");
+		dev_err(dev, "rk3288-dp needs the General Register Files syscon\n");
 		return PTR_ERR(dp->grf);
 	}
 
diff --git a/drivers/phy/phy-rockchip-emmc.c b/drivers/phy/phy-rockchip-emmc.c
index 887b4c27195f430766030e088b33ea2b037a7967..6ebcf3e41c467233c7d198cc72a7b93a4f7fe4b1 100644
--- a/drivers/phy/phy-rockchip-emmc.c
+++ b/drivers/phy/phy-rockchip-emmc.c
@@ -176,7 +176,10 @@ static int rockchip_emmc_phy_probe(struct platform_device *pdev)
 	struct regmap *grf;
 	unsigned int reg_offset;
 
-	grf = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,grf");
+	if (!dev->parent || !dev->parent->of_node)
+		return -ENODEV;
+
+	grf = syscon_node_to_regmap(dev->parent->of_node);
 	if (IS_ERR(grf)) {
 		dev_err(dev, "Missing rockchip,grf property\n");
 		return PTR_ERR(grf);