dt-bindings: phy: rockchip: convert rockchip-dp-phy.txt to yaml

Convert rockchip-dp-phy.txt to yaml.

Signed-off-by: Johan Jonker <[e-mail]>
Acked-By: Vinod Koul <[e-mail]>
Reviewed-by: Krzysztof Kozlowski <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Heiko Stuebner <[e-mail]>

Documentation/devicetree/bindings/phy/rockchip,rk3288-dp-phy.yaml

···
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/rockchip,rk3288-dp-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip specific extensions to the Analogix Display Port PHY
+
+maintainers:
+  - Heiko Stuebner <[e-mail]>
+
+properties:
+  compatible:
+    const: rockchip,rk3288-dp-phy
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: 24m
+
+  "#phy-cells":
+    const: 0
+
+required:
+  - compatible
+  - clocks
+  - clock-names
+  - "#phy-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/rk3288-cru.h>
+    edp-phy {
+      compatible = "rockchip,rk3288-dp-phy";
+      clocks = <&cru SCLK_EDP_24M>;
+      clock-names = "24m";
+      #phy-cells = <0>;
+    };

Documentation/devicetree/bindings/phy/rockchip-dp-phy.txt

···
-Rockchip specific extensions to the Analogix Display Port PHY
-------------------------------------
-
-Required properties:
-- compatible : should be one of the following supported values:
-	 - "rockchip.rk3288-dp-phy"
-- clocks: from common clock binding: handle to dp clock.
-	of memory mapped region.
-- clock-names: from common clock binding:
-	Required elements: "24m"
-- #phy-cells : from the generic PHY bindings, must be 0;
-
-Example:
-
-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>;
-	};
-};