From: Richard Yu <richard.yu@xxxxxxx> Provide access to the two register regions for GXP Virtual EHCI controller through the hpe,gxp-udcg binding. Signed-off-by: Richard Yu <richard.yu@xxxxxxx> --- .../devicetree/bindings/usb/hpe,gxp-udcg.yaml | 70 +++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/hpe,gxp-udcg.yaml diff --git a/Documentation/devicetree/bindings/usb/hpe,gxp-udcg.yaml b/Documentation/devicetree/bindings/usb/hpe,gxp-udcg.yaml new file mode 100644 index 000000000000..e6746374f97d --- /dev/null +++ b/Documentation/devicetree/bindings/usb/hpe,gxp-udcg.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/hpe,gxp-udcg.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: HPE GXP USB Virtual EHCI controller + +maintainers: + - Nick Hawkins <nick.hawkins@xxxxxxx> + - Richard Yu <richard.yu@xxxxxxx> + +description: |+ + The HPE GXP USB Virtual EHCI Controller implements 1 set of USB EHCI + register and several sets of device and endpoint registers to support + the virtual EHCI's downstream USB devices. + +properties: + compatible: + enum: + - hpe,gxp-udcg + + reg: + items: + - description: UDC Global (UDCG) config controller + - description: UDC Invidual config/interrupt controllers + + reg-names: + items: + - const: udcg + - const: udc + + interrupts: + maxItems: 1 + + hpe,vehci-downstream-ports: + description: Number of downstream ports supported by the GXP + $ref: /schemas/types.yaml#/definitions/uint32 + default: 4 + minimum: 1 + maximum: 8 + + hpe,vehci-generic-endpoints: + description: Number of generic endpoints supported by the GXP + $ref: /schemas/types.yaml#/definitions/uint32 + default: 16 + minimum: 1 + maximum: 16 + +required: + - compatible + - reg + - reg-names + - interrupts + - hpe,vehci-downstream-ports + - hpe,vehci-generic-endpoints + +additionalProperties: false + +examples: + - | + udcg@80400800 { + compatible = "hpe,gxp-udcg"; + reg = <0x80400800 0x0200>, <0x80401000 0x8000>; + reg-names = "udcg", "udc"; + interrupts = <13>; + interrupt-parent = <&vic1>; + hpe,vehci-downstream-ports = <4>; + hpe,vehci-generic-endpoints = <16>; + }; -- 2.17.1
