dt-bindings: usb: renesas,usb-xhci: convert to YAML

Convert Renesas related parts of usb-xhci to YAML because
they are not compatible with generic-xhci.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/1592822252-12338-1-git-send-email-yoshihiro.shimoda.uh@renesas.comSigned-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/usb/renesas,usb-xhci.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/renesas,usb-xhci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas USB xHCI controllers
+
+maintainers:
+  - Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
+  - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
+
+allOf:
+  - $ref: "usb-hcd.yaml"
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - renesas,xhci-r8a7742 # RZ/G1H
+              - renesas,xhci-r8a7743 # RZ/G1M
+              - renesas,xhci-r8a7744 # RZ/G1N
+              - renesas,xhci-r8a7790 # R-Car H2
+              - renesas,xhci-r8a7791 # R-Car M2-W
+              - renesas,xhci-r8a7793 # R-Car M2-N
+          - const: renesas,rcar-gen2-xhci # R-Car Gen2 and RZ/G1
+      - items:
+          - enum:
+              - renesas,xhci-r8a774a1 # RZ/G2M
+              - renesas,xhci-r8a774b1 # RZ/G2N
+              - renesas,xhci-r8a774c0 # RZ/G2E
+              - renesas,xhci-r8a7795  # R-Car H3
+              - renesas,xhci-r8a7796  # R-Car M3-W
+              - renesas,xhci-r8a77961 # R-Car M3-W+
+              - renesas,xhci-r8a77965 # R-Car M3-N
+              - renesas,xhci-r8a77990 # R-Car E3
+          - const: renesas,rcar-gen3-xhci # R-Car Gen3 and RZ/G2
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  phys:
+    maxItems: 1
+
+  phy-names:
+    maxItems: 1
+    items:
+      - const: usb
+
+  power-domains:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - power-domains
+  - resets
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/r8a7795-cpg-mssr.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/power/r8a7795-sysc.h>
+
+    xhci0: usb@ee000000 {
+        compatible = "renesas,xhci-r8a7795", "renesas,rcar-gen3-xhci";
+        reg = <0xee000000 0xc00>;
+        interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&cpg CPG_MOD 328>;
+        power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+        resets = <&cpg 328>;
+    };

Documentation/devicetree/bindings/usb/usb-xhci.txt

@@ -7,24 +7,6 @@ Required properties:
     - "marvell,armada3700-xhci" for Armada 37xx SoCs
     - "marvell,armada-375-xhci" for Armada 375 SoCs
     - "marvell,armada-380-xhci" for Armada 38x SoCs
-    - "renesas,xhci-r8a7742" for r8a7742 SoC
-    - "renesas,xhci-r8a7743" for r8a7743 SoC
-    - "renesas,xhci-r8a7744" for r8a7744 SoC
-    - "renesas,xhci-r8a774a1" for r8a774a1 SoC
-    - "renesas,xhci-r8a774b1" for r8a774b1 SoC
-    - "renesas,xhci-r8a774c0" for r8a774c0 SoC
-    - "renesas,xhci-r8a7790" for r8a7790 SoC
-    - "renesas,xhci-r8a7791" for r8a7791 SoC
-    - "renesas,xhci-r8a7793" for r8a7793 SoC
-    - "renesas,xhci-r8a7795" for r8a7795 SoC
-    - "renesas,xhci-r8a7796" for r8a77960 SoC
-    - "renesas,xhci-r8a77961" for r8a77961 SoC
-    - "renesas,xhci-r8a77965" for r8a77965 SoC
-    - "renesas,xhci-r8a77990" for r8a77990 SoC
-    - "renesas,rcar-gen2-xhci" for a generic R-Car Gen2 or RZ/G1 compatible
-      device
-    - "renesas,rcar-gen3-xhci" for a generic R-Car Gen3 or RZ/G2 compatible
-      device
     - "brcm,bcm7445-xhci" for Broadcom STB SoCs with XHCI
     - "xhci-platform" (deprecated)