[v3,5/9] dt-bindings: usb: add the Renesas RZ/N1 USBF controller

Commit Message

Herve Codina Dec. 7, 2022, 4:24 p.m. UTC

The Renesas RZ/N1 USBF controller is an USB2.0 device controller
(UDC) available in the Renesas r9a06g032 SoC (RZ/N1 family).

Signed-off-by: Herve Codina <[e-mail]>
---
 .../bindings/usb/renesas,rzn1-usbf.yaml       | 77 +++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/renesas,rzn1-usbf.yaml

Patch

diff --git a/Documentation/devicetree/bindings/usb/renesas,rzn1-usbf.yaml b/Documentation/devicetree/bindings/usb/renesas,rzn1-usbf.yaml
new file mode 100644
index 000000000000..e746ea55b78d
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/renesas,rzn1-usbf.yaml
@@ -0,0 +1,77 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/renesas,rzn1-usbf.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas RZ/N1 SoCs USBF (USB Function) controller
+
+description: |
+   The Renesas USBF controller is an USB2.0 device
+   controller (UDC).
+
+maintainers:
+  - Herve Codina <[e-mail]>
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - renesas,r9a06g032-usbf
+      - const: renesas,rzn1-usbf
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: Internal bus clock (AHB) for Function
+      - description: Internal bus clock (AHB) for Power Management
+
+  clock-names:
+    items:
+      - const: hclkf
+      - const: hclkpm
+
+  power-domains:
+    maxItems: 1
+
+  interrupts:
+    items:
+      - description: The USBF EPC interrupt
+      - description: The USBF AHB-EPC interrupt
+
+  depends-on:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      Phandle to the node (sysctrl node) that set the 'h2mode' value in
+      order to express the fact that sysctrl must set the 'h2mode' before
+      the USB device controller starts.
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - power-domains
+  - interrupts
+  - depends-on
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/r9a06g032-sysctrl.h>
+
+    usb@4001e000 {
+        compatible = "renesas,r9a06g032-usbf", "renesas,rzn1-usbf";
+        reg = <0x4001e000 0x2000>;
+        interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&sysctrl R9A06G032_HCLK_USBF>,
+                 <&sysctrl R9A06G032_HCLK_USBPM>;
+        clock-names = "hclkf", "hclkpm";
+        power-domains = <&sysctrl>;
+        depends-on = <&sysctrl>;
+    };