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diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,analogix-dp.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,analogix-dp.yaml
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+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,analogix-dp.yaml
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+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/rockchip/rockchip,analogix-dp.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip specific extensions to the Analogix Display Port
+
+maintainers:
+  - Sandy Huang <hjc@rock-chips.com>
+  - Heiko Stuebner <heiko@sntech.de>
+
+properties:
+  compatible:
+    enum:
+      - rockchip,rk3288-dp
+      - rockchip,rk3399-edp
+
+  clocks:
+    minItems: 2
+    maxItems: 3
+
+  clock-names:
+    minItems: 2
+    items:
+      - const: dp
+      - const: pclk
+      - const: grf
+
+  power-domains:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  reset-names:
+    const: dp
+
+  rockchip,grf:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      This SoC makes use of GRF regs.
+
+required:
+  - compatible
+  - clocks
+  - clock-names
+  - resets
+  - reset-names
+  - rockchip,grf
+
+allOf:
+  - $ref: /schemas/display/bridge/analogix,dp.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/rk3288-cru.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    dp@ff970000 {
+      compatible = "rockchip,rk3288-dp";
+      reg = <0xff970000 0x4000>;
+      interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
+      clocks = <&cru SCLK_EDP>, <&cru PCLK_EDP_CTRL>;
+      clock-names = "dp", "pclk";
+      phys = <&dp_phy>;
+      phy-names = "dp";
+      resets = <&cru 111>;
+      reset-names = "dp";
+      rockchip,grf = <&grf>;
+      pinctrl-0 = <&edp_hpd>;
+      pinctrl-names = "default";
+
+      ports {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        edp_in: port@0 {
+          reg = <0>;
+          #address-cells = <1>;
+          #size-cells = <0>;
+
+          edp_in_vopb: endpoint@0 {
+            reg = <0>;
+            remote-endpoint = <&vopb_out_edp>;
+          };
+          edp_in_vopl: endpoint@1 {
+            reg = <1>;
+            remote-endpoint = <&vopl_out_edp>;
+          };
+        };
+
+        edp_out: port@1 {
+          reg = <1>;
+
+          edp_out_panel: endpoint {
+            remote-endpoint = <&panel_in_edp>;
+          };
+        };
+      };
+    };