diff --git a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
index f8a576611d6c..8dd870f0214d 100644
--- a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
@@ -32,9 +32,6 @@ select:
   required:
     - compatible
 
-allOf:
-  - $ref: snps,dwmac.yaml#
-
 properties:
   compatible:
     oneOf:
@@ -114,6 +111,24 @@ required:
   - compatible
   - clocks
   - clock-names
+  - rockchip,grf
+
+allOf:
+  - $ref: snps,dwmac.yaml#
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - rockchip,rk3576-gmac
+              - rockchip,rk3588-gmac
+    then:
+      required:
+        - rockchip,php-grf
+    else:
+      properties:
+        rockchip,php-grf: false
 
 unevaluatedProperties: false
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
index 003fa5cf42c3..342463587d06 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
@@ -33,6 +33,7 @@ struct rk_gmac_ops {
 	void (*set_clock_selection)(struct rk_priv_data *bsp_priv, bool input,
 				    bool enable);
 	void (*integrated_phy_powerup)(struct rk_priv_data *bsp_priv);
+	bool php_grf_required;
 	bool regs_valid;
 	u32 regs[];
 };
@@ -101,13 +102,6 @@ struct rk_priv_data {
 
 static void px30_set_to_rmii(struct rk_priv_data *bsp_priv)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
-
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
-		return;
-	}
-
 	regmap_write(bsp_priv->grf, PX30_GRF_GMAC_CON1,
 		     PX30_GMAC_PHY_INTF_SEL_RMII);
 }
@@ -181,13 +175,6 @@ static const struct rk_gmac_ops px30_ops = {
 static void rk3128_set_to_rgmii(struct rk_priv_data *bsp_priv,
 				int tx_delay, int rx_delay)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
-
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "Missing rockchip,grf property\n");
-		return;
-	}
-
 	regmap_write(bsp_priv->grf, RK3128_GRF_MAC_CON1,
 		     RK3128_GMAC_PHY_INTF_SEL_RGMII |
 		     RK3128_GMAC_RMII_MODE_CLR);
@@ -199,13 +186,6 @@ static void rk3128_set_to_rgmii(struct rk_priv_data *bsp_priv,
 
 static void rk3128_set_to_rmii(struct rk_priv_data *bsp_priv)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
-
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "Missing rockchip,grf property\n");
-		return;
-	}
-
 	regmap_write(bsp_priv->grf, RK3128_GRF_MAC_CON1,
 		     RK3128_GMAC_PHY_INTF_SEL_RMII | RK3128_GMAC_RMII_MODE);
 }
@@ -214,11 +194,6 @@ static void rk3128_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed)
 {
 	struct device *dev = &bsp_priv->pdev->dev;
 
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "Missing rockchip,grf property\n");
-		return;
-	}
-
 	if (speed == 10)
 		regmap_write(bsp_priv->grf, RK3128_GRF_MAC_CON1,
 			     RK3128_GMAC_CLK_2_5M);
@@ -236,11 +211,6 @@ static void rk3128_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
 {
 	struct device *dev = &bsp_priv->pdev->dev;
 
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "Missing rockchip,grf property\n");
-		return;
-	}
-
 	if (speed == 10) {
 		regmap_write(bsp_priv->grf, RK3128_GRF_MAC_CON1,
 			     RK3128_GMAC_RMII_CLK_2_5M |
@@ -297,13 +267,6 @@ static const struct rk_gmac_ops rk3128_ops = {
 static void rk3228_set_to_rgmii(struct rk_priv_data *bsp_priv,
 				int tx_delay, int rx_delay)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
-
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "Missing rockchip,grf property\n");
-		return;
-	}
-
 	regmap_write(bsp_priv->grf, RK3228_GRF_MAC_CON1,
 		     RK3228_GMAC_PHY_INTF_SEL_RGMII |
 		     RK3228_GMAC_RMII_MODE_CLR |
@@ -316,13 +279,6 @@ static void rk3228_set_to_rgmii(struct rk_priv_data *bsp_priv,
 
 static void rk3228_set_to_rmii(struct rk_priv_data *bsp_priv)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
-
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "Missing rockchip,grf property\n");
-		return;
-	}
-
 	regmap_write(bsp_priv->grf, RK3228_GRF_MAC_CON1,
 		     RK3228_GMAC_PHY_INTF_SEL_RMII |
 		     RK3228_GMAC_RMII_MODE);
@@ -335,11 +291,6 @@ static void rk3228_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed)
 {
 	struct device *dev = &bsp_priv->pdev->dev;
 
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "Missing rockchip,grf property\n");
-		return;
-	}
-
 	if (speed == 10)
 		regmap_write(bsp_priv->grf, RK3228_GRF_MAC_CON1,
 			     RK3228_GMAC_CLK_2_5M);
@@ -357,11 +308,6 @@ static void rk3228_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
 {
 	struct device *dev = &bsp_priv->pdev->dev;
 
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "Missing rockchip,grf property\n");
-		return;
-	}
-
 	if (speed == 10)
 		regmap_write(bsp_priv->grf, RK3228_GRF_MAC_CON1,
 			     RK3228_GMAC_RMII_CLK_2_5M |
@@ -419,13 +365,6 @@ static const struct rk_gmac_ops rk3228_ops = {
 static void rk3288_set_to_rgmii(struct rk_priv_data *bsp_priv,
 				int tx_delay, int rx_delay)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
-
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "Missing rockchip,grf property\n");
-		return;
-	}
-
 	regmap_write(bsp_priv->grf, RK3288_GRF_SOC_CON1,
 		     RK3288_GMAC_PHY_INTF_SEL_RGMII |
 		     RK3288_GMAC_RMII_MODE_CLR);
@@ -437,13 +376,6 @@ static void rk3288_set_to_rgmii(struct rk_priv_data *bsp_priv,
 
 static void rk3288_set_to_rmii(struct rk_priv_data *bsp_priv)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
-
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "Missing rockchip,grf property\n");
-		return;
-	}
-
 	regmap_write(bsp_priv->grf, RK3288_GRF_SOC_CON1,
 		     RK3288_GMAC_PHY_INTF_SEL_RMII | RK3288_GMAC_RMII_MODE);
 }
@@ -452,11 +384,6 @@ static void rk3288_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed)
 {
 	struct device *dev = &bsp_priv->pdev->dev;
 
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "Missing rockchip,grf property\n");
-		return;
-	}
-
 	if (speed == 10)
 		regmap_write(bsp_priv->grf, RK3288_GRF_SOC_CON1,
 			     RK3288_GMAC_CLK_2_5M);
@@ -474,11 +401,6 @@ static void rk3288_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
 {
 	struct device *dev = &bsp_priv->pdev->dev;
 
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "Missing rockchip,grf property\n");
-		return;
-	}
-
 	if (speed == 10) {
 		regmap_write(bsp_priv->grf, RK3288_GRF_SOC_CON1,
 			     RK3288_GMAC_RMII_CLK_2_5M |
@@ -511,13 +433,6 @@ static const struct rk_gmac_ops rk3288_ops = {
 
 static void rk3308_set_to_rmii(struct rk_priv_data *bsp_priv)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
-
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "Missing rockchip,grf property\n");
-		return;
-	}
-
 	regmap_write(bsp_priv->grf, RK3308_GRF_MAC_CON0,
 		     RK3308_GMAC_PHY_INTF_SEL_RMII);
 }
@@ -526,11 +441,6 @@ static void rk3308_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
 {
 	struct device *dev = &bsp_priv->pdev->dev;
 
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "Missing rockchip,grf property\n");
-		return;
-	}
-
 	if (speed == 10) {
 		regmap_write(bsp_priv->grf, RK3308_GRF_MAC_CON0,
 			     RK3308_GMAC_SPEED_10M);
@@ -583,13 +493,6 @@ static const struct rk_gmac_ops rk3308_ops = {
 static void rk3328_set_to_rgmii(struct rk_priv_data *bsp_priv,
 				int tx_delay, int rx_delay)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
-
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "Missing rockchip,grf property\n");
-		return;
-	}
-
 	regmap_write(bsp_priv->grf, RK3328_GRF_MAC_CON1,
 		     RK3328_GMAC_PHY_INTF_SEL_RGMII |
 		     RK3328_GMAC_RMII_MODE_CLR |
@@ -603,14 +506,8 @@ static void rk3328_set_to_rgmii(struct rk_priv_data *bsp_priv,
 
 static void rk3328_set_to_rmii(struct rk_priv_data *bsp_priv)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
 	unsigned int reg;
 
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "Missing rockchip,grf property\n");
-		return;
-	}
-
 	reg = bsp_priv->integrated_phy ? RK3328_GRF_MAC_CON2 :
 		  RK3328_GRF_MAC_CON1;
 
@@ -623,11 +520,6 @@ static void rk3328_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed)
 {
 	struct device *dev = &bsp_priv->pdev->dev;
 
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "Missing rockchip,grf property\n");
-		return;
-	}
-
 	if (speed == 10)
 		regmap_write(bsp_priv->grf, RK3328_GRF_MAC_CON1,
 			     RK3328_GMAC_CLK_2_5M);
@@ -646,11 +538,6 @@ static void rk3328_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
 	struct device *dev = &bsp_priv->pdev->dev;
 	unsigned int reg;
 
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "Missing rockchip,grf property\n");
-		return;
-	}
-
 	reg = bsp_priv->integrated_phy ? RK3328_GRF_MAC_CON2 :
 		  RK3328_GRF_MAC_CON1;
 
@@ -711,13 +598,6 @@ static const struct rk_gmac_ops rk3328_ops = {
 static void rk3366_set_to_rgmii(struct rk_priv_data *bsp_priv,
 				int tx_delay, int rx_delay)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
-
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
-		return;
-	}
-
 	regmap_write(bsp_priv->grf, RK3366_GRF_SOC_CON6,
 		     RK3366_GMAC_PHY_INTF_SEL_RGMII |
 		     RK3366_GMAC_RMII_MODE_CLR);
@@ -729,13 +609,6 @@ static void rk3366_set_to_rgmii(struct rk_priv_data *bsp_priv,
 
 static void rk3366_set_to_rmii(struct rk_priv_data *bsp_priv)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
-
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
-		return;
-	}
-
 	regmap_write(bsp_priv->grf, RK3366_GRF_SOC_CON6,
 		     RK3366_GMAC_PHY_INTF_SEL_RMII | RK3366_GMAC_RMII_MODE);
 }
@@ -744,11 +617,6 @@ static void rk3366_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed)
 {
 	struct device *dev = &bsp_priv->pdev->dev;
 
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
-		return;
-	}
-
 	if (speed == 10)
 		regmap_write(bsp_priv->grf, RK3366_GRF_SOC_CON6,
 			     RK3366_GMAC_CLK_2_5M);
@@ -766,11 +634,6 @@ static void rk3366_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
 {
 	struct device *dev = &bsp_priv->pdev->dev;
 
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
-		return;
-	}
-
 	if (speed == 10) {
 		regmap_write(bsp_priv->grf, RK3366_GRF_SOC_CON6,
 			     RK3366_GMAC_RMII_CLK_2_5M |
@@ -822,13 +685,6 @@ static const struct rk_gmac_ops rk3366_ops = {
 static void rk3368_set_to_rgmii(struct rk_priv_data *bsp_priv,
 				int tx_delay, int rx_delay)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
-
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
-		return;
-	}
-
 	regmap_write(bsp_priv->grf, RK3368_GRF_SOC_CON15,
 		     RK3368_GMAC_PHY_INTF_SEL_RGMII |
 		     RK3368_GMAC_RMII_MODE_CLR);
@@ -840,13 +696,6 @@ static void rk3368_set_to_rgmii(struct rk_priv_data *bsp_priv,
 
 static void rk3368_set_to_rmii(struct rk_priv_data *bsp_priv)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
-
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
-		return;
-	}
-
 	regmap_write(bsp_priv->grf, RK3368_GRF_SOC_CON15,
 		     RK3368_GMAC_PHY_INTF_SEL_RMII | RK3368_GMAC_RMII_MODE);
 }
@@ -855,11 +704,6 @@ static void rk3368_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed)
 {
 	struct device *dev = &bsp_priv->pdev->dev;
 
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
-		return;
-	}
-
 	if (speed == 10)
 		regmap_write(bsp_priv->grf, RK3368_GRF_SOC_CON15,
 			     RK3368_GMAC_CLK_2_5M);
@@ -877,11 +721,6 @@ static void rk3368_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
 {
 	struct device *dev = &bsp_priv->pdev->dev;
 
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
-		return;
-	}
-
 	if (speed == 10) {
 		regmap_write(bsp_priv->grf, RK3368_GRF_SOC_CON15,
 			     RK3368_GMAC_RMII_CLK_2_5M |
@@ -933,13 +772,6 @@ static const struct rk_gmac_ops rk3368_ops = {
 static void rk3399_set_to_rgmii(struct rk_priv_data *bsp_priv,
 				int tx_delay, int rx_delay)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
-
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
-		return;
-	}
-
 	regmap_write(bsp_priv->grf, RK3399_GRF_SOC_CON5,
 		     RK3399_GMAC_PHY_INTF_SEL_RGMII |
 		     RK3399_GMAC_RMII_MODE_CLR);
@@ -951,13 +783,6 @@ static void rk3399_set_to_rgmii(struct rk_priv_data *bsp_priv,
 
 static void rk3399_set_to_rmii(struct rk_priv_data *bsp_priv)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
-
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
-		return;
-	}
-
 	regmap_write(bsp_priv->grf, RK3399_GRF_SOC_CON5,
 		     RK3399_GMAC_PHY_INTF_SEL_RMII | RK3399_GMAC_RMII_MODE);
 }
@@ -966,11 +791,6 @@ static void rk3399_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed)
 {
 	struct device *dev = &bsp_priv->pdev->dev;
 
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
-		return;
-	}
-
 	if (speed == 10)
 		regmap_write(bsp_priv->grf, RK3399_GRF_SOC_CON5,
 			     RK3399_GMAC_CLK_2_5M);
@@ -988,11 +808,6 @@ static void rk3399_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
 {
 	struct device *dev = &bsp_priv->pdev->dev;
 
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
-		return;
-	}
-
 	if (speed == 10) {
 		regmap_write(bsp_priv->grf, RK3399_GRF_SOC_CON5,
 			     RK3399_GMAC_RMII_CLK_2_5M |
@@ -1037,14 +852,8 @@ static const struct rk_gmac_ops rk3399_ops = {
 static void rk3568_set_to_rgmii(struct rk_priv_data *bsp_priv,
 				int tx_delay, int rx_delay)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
 	u32 con0, con1;
 
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "Missing rockchip,grf property\n");
-		return;
-	}
-
 	con0 = (bsp_priv->id == 1) ? RK3568_GRF_GMAC1_CON0 :
 				     RK3568_GRF_GMAC0_CON0;
 	con1 = (bsp_priv->id == 1) ? RK3568_GRF_GMAC1_CON1 :
@@ -1062,14 +871,8 @@ static void rk3568_set_to_rgmii(struct rk_priv_data *bsp_priv,
 
 static void rk3568_set_to_rmii(struct rk_priv_data *bsp_priv)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
 	u32 con1;
 
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
-		return;
-	}
-
 	con1 = (bsp_priv->id == 1) ? RK3568_GRF_GMAC1_CON1 :
 				     RK3568_GRF_GMAC0_CON1;
 	regmap_write(bsp_priv->grf, con1, RK3568_GMAC_PHY_INTF_SEL_RMII);
@@ -1147,14 +950,8 @@ static const struct rk_gmac_ops rk3568_ops = {
 static void rk3576_set_to_rgmii(struct rk_priv_data *bsp_priv,
 				int tx_delay, int rx_delay)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
 	unsigned int offset_con;
 
-	if (IS_ERR(bsp_priv->grf) || IS_ERR(bsp_priv->php_grf)) {
-		dev_err(dev, "Missing rockchip,grf or rockchip,php-grf property\n");
-		return;
-	}
-
 	offset_con = bsp_priv->id == 1 ? RK3576_GRF_GMAC_CON1 :
 					 RK3576_GRF_GMAC_CON0;
 
@@ -1180,14 +977,8 @@ static void rk3576_set_to_rgmii(struct rk_priv_data *bsp_priv,
 
 static void rk3576_set_to_rmii(struct rk_priv_data *bsp_priv)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
 	unsigned int offset_con;
 
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
-		return;
-	}
-
 	offset_con = bsp_priv->id == 1 ? RK3576_GRF_GMAC_CON1 :
 					 RK3576_GRF_GMAC_CON0;
 
@@ -1254,6 +1045,7 @@ static const struct rk_gmac_ops rk3576_ops = {
 	.set_rgmii_speed = rk3576_set_gmac_speed,
 	.set_rmii_speed = rk3576_set_gmac_speed,
 	.set_clock_selection = rk3576_set_clock_selection,
+	.php_grf_required = true,
 	.regs_valid = true,
 	.regs = {
 		0x2a220000, /* gmac0 */
@@ -1306,14 +1098,8 @@ static const struct rk_gmac_ops rk3576_ops = {
 static void rk3588_set_to_rgmii(struct rk_priv_data *bsp_priv,
 				int tx_delay, int rx_delay)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
 	u32 offset_con, id = bsp_priv->id;
 
-	if (IS_ERR(bsp_priv->grf) || IS_ERR(bsp_priv->php_grf)) {
-		dev_err(dev, "Missing rockchip,grf or rockchip,php_grf property\n");
-		return;
-	}
-
 	offset_con = bsp_priv->id == 1 ? RK3588_GRF_GMAC_CON9 :
 					 RK3588_GRF_GMAC_CON8;
 
@@ -1334,13 +1120,6 @@ static void rk3588_set_to_rgmii(struct rk_priv_data *bsp_priv,
 
 static void rk3588_set_to_rmii(struct rk_priv_data *bsp_priv)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
-
-	if (IS_ERR(bsp_priv->php_grf)) {
-		dev_err(dev, "%s: Missing rockchip,php_grf property\n", __func__);
-		return;
-	}
-
 	regmap_write(bsp_priv->php_grf, RK3588_GRF_GMAC_CON0,
 		     RK3588_GMAC_PHY_INTF_SEL_RMII(bsp_priv->id));
 
@@ -1401,6 +1180,7 @@ static const struct rk_gmac_ops rk3588_ops = {
 	.set_rgmii_speed = rk3588_set_gmac_speed,
 	.set_rmii_speed = rk3588_set_gmac_speed,
 	.set_clock_selection = rk3588_set_clock_selection,
+	.php_grf_required = true,
 	.regs_valid = true,
 	.regs = {
 		0xfe1b0000, /* gmac0 */
@@ -1423,13 +1203,6 @@ static const struct rk_gmac_ops rk3588_ops = {
 
 static void rv1108_set_to_rmii(struct rk_priv_data *bsp_priv)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
-
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
-		return;
-	}
-
 	regmap_write(bsp_priv->grf, RV1108_GRF_GMAC_CON0,
 		     RV1108_GMAC_PHY_INTF_SEL_RMII);
 }
@@ -1438,11 +1211,6 @@ static void rv1108_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
 {
 	struct device *dev = &bsp_priv->pdev->dev;
 
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
-		return;
-	}
-
 	if (speed == 10) {
 		regmap_write(bsp_priv->grf, RV1108_GRF_GMAC_CON0,
 			     RV1108_GMAC_RMII_CLK_2_5M |
@@ -1491,13 +1259,6 @@ static const struct rk_gmac_ops rv1108_ops = {
 static void rv1126_set_to_rgmii(struct rk_priv_data *bsp_priv,
 				int tx_delay, int rx_delay)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
-
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "Missing rockchip,grf property\n");
-		return;
-	}
-
 	regmap_write(bsp_priv->grf, RV1126_GRF_GMAC_CON0,
 		     RV1126_GMAC_PHY_INTF_SEL_RGMII |
 		     RV1126_GMAC_M0_RXCLK_DLY_ENABLE |
@@ -1516,13 +1277,6 @@ static void rv1126_set_to_rgmii(struct rk_priv_data *bsp_priv,
 
 static void rv1126_set_to_rmii(struct rk_priv_data *bsp_priv)
 {
-	struct device *dev = &bsp_priv->pdev->dev;
-
-	if (IS_ERR(bsp_priv->grf)) {
-		dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
-		return;
-	}
-
 	regmap_write(bsp_priv->grf, RV1126_GRF_GMAC_CON0,
 		     RV1126_GMAC_PHY_INTF_SEL_RMII);
 }
@@ -1812,8 +1566,22 @@ static struct rk_priv_data *rk_gmac_setup(struct platform_device *pdev,
 
 	bsp_priv->grf = syscon_regmap_lookup_by_phandle(dev->of_node,
 							"rockchip,grf");
-	bsp_priv->php_grf = syscon_regmap_lookup_by_phandle(dev->of_node,
-							    "rockchip,php-grf");
+	if (IS_ERR(bsp_priv->grf)) {
+		dev_err_probe(dev, PTR_ERR(bsp_priv->grf),
+			      "failed to lookup rockchip,grf\n");
+		return ERR_CAST(bsp_priv->grf);
+	}
+
+	if (ops->php_grf_required) {
+		bsp_priv->php_grf =
+			syscon_regmap_lookup_by_phandle(dev->of_node,
+							"rockchip,php-grf");
+		if (IS_ERR(bsp_priv->php_grf)) {
+			dev_err_probe(dev, PTR_ERR(bsp_priv->php_grf),
+				      "failed to lookup rockchip,php-grf\n");
+			return ERR_CAST(bsp_priv->php_grf);
+		}
+	}
 
 	if (plat->phy_node) {
 		bsp_priv->integrated_phy = of_property_read_bool(plat->phy_node,