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

Herve Codina
2022-12-07T16:25:11Z

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 <herve.codina@bootlin.com>
---
.../bindings/usb/renesas,rzn1-usbf.yaml | 77 +++++++++++++++++++
1 file changed, 77 insertions(+)
create mode 100644 Documentation/devicetree/bindings/usb/renesas,rzn1-usbf.yaml

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 <herve.codina@bootlin.com>
+
+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>;
+ };
--
2.38.1