diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop2.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop2.yaml
index 655d9b327f7d..fba45091d909 100644
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop2.yaml
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop2.yaml
@@ -22,7 +22,6 @@ properties:
       - rockchip,rk3568-vop
 
   reg:
-    minItems: 1
     items:
       - description:
           Must contain one entry corresponding to the base address and length
@@ -31,6 +30,11 @@ properties:
           Can optionally contain a second entry corresponding to
           the CRTC gamma LUT address.
 
+  reg-names:
+    items:
+      - const: vop
+      - const: gamma-lut
+
   interrupts:
     maxItems: 1
     description:
@@ -86,6 +90,7 @@ properties:
 required:
   - compatible
   - reg
+  - reg-names
   - interrupts
   - clocks
   - clock-names
@@ -104,6 +109,7 @@ examples:
             vop: vop@fe040000 {
                 compatible = "rockchip,rk3568-vop";
                 reg = <0x0 0xfe040000 0x0 0x3000>, <0x0 0xfe044000 0x0 0x1000>;
+                reg-names = "vop", "gamma-lut";
                 interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
                 clocks = <&cru ACLK_VOP>,
                          <&cru HCLK_VOP>,
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
index 0b49fed16535..26ac91db0f35 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
@@ -2620,7 +2620,7 @@ static int vop2_bind(struct device *dev, struct device *master, void *data)
 
 	dev_set_drvdata(dev, vop2);
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs");
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "vop");
 	if (!res) {
 		drm_err(vop2->drm, "failed to get vop2 register byname\n");
 		return -EINVAL;
@@ -2637,7 +2637,7 @@ static int vop2_bind(struct device *dev, struct device *master, void *data)
 	if (ret)
 		return ret;
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "gamma_lut");
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "gamma-lut");
 	if (res) {
 		vop2->lut_regs = devm_ioremap_resource(dev, res);
 		if (IS_ERR(vop2->lut_regs))