dt-bindings: usb: samsung,exynos-usb2: convert to dtschema

Convert the Samsung Exynos SoC USB 2.0 EHCI and OHCI Controller bindings
to DT schema format.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20220302190938.6195-3-krzysztof.kozlowski@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Documentation/devicetree/bindings/usb/samsung,exynos-usb2.yaml

@@ -0,0 +1,117 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/samsung,exynos-usb2.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung Exynos SoC USB 2.0 EHCI/OHCI Controller
+
+maintainers:
+  - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
+
+properties:
+  compatible:
+    enum:
+      - samsung,exynos4210-ehci
+      - samsung,exynos4210-ohci
+
+  '#address-cells':
+    const: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: usbhost
+
+  interrupts:
+    maxItems: 1
+
+  phys:
+    minItems: 1
+    maxItems: 3
+
+  phy-names:
+    items:
+      enum: [host, hsic0, hsic1]
+    minItems: 1
+    maxItems: 3
+
+  reg:
+    maxItems: 1
+
+  samsung,vbus-gpio:
+    description:
+      Only for controller in EHCI mode, if present, specifies the GPIO that
+      needs to be pulled up for the bus to be powered.
+
+  '#size-cells':
+    const: 0
+
+patternProperties:
+  "^.*@[0-9a-f]{1,2}$":
+    description: The hard wired USB devices
+    type: object
+    $ref: /usb/usb-device.yaml
+
+required:
+  - compatible
+  - clocks
+  - clock-names
+  - interrupts
+  - phys
+  - phy-names
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: samsung,exynos4210-ohci
+    then:
+      properties:
+        samsung,vbus-gpio: false
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/exynos5420.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    usb@12110000 {
+        compatible = "samsung,exynos4210-ehci";
+        reg = <0x12110000 0x100>;
+        interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&clock CLK_USBH20>;
+        clock-names = "usbhost";
+        phys = <&usb2_phy 0>;
+        phy-names = "host";
+
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        hub@1 {
+            compatible = "usb0424,9514";
+            reg = <1>;
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            usbether@1 {
+                compatible = "usb0424,ec00";
+                reg = <1>;
+                local-mac-address = [00 00 00 00 00 00];
+            };
+        };
+    };
+
+    usb@12120000 {
+        compatible = "samsung,exynos4210-ohci";
+        reg = <0x12120000 0x100>;
+        interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&clock CLK_USBH20>;
+        clock-names = "usbhost";
+        phys = <&usb2_phy 0>;
+        phy-names = "host";
+    };