# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/usb/generic-ohci.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: USB OHCI Controller Device Tree Bindings
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allOf:
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- $ref: "usb-hcd.yaml"
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maintainers:
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- Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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properties:
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compatible:
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contains:
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const: generic-ohci
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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resets:
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minItems: 1
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maxItems: 2
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clocks:
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minItems: 1
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maxItems: 3
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description: |
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In case the Renesas R-Car Gen3 SoCs:
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- if a host only channel: first clock should be host.
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- if a USB DRD channel: first clock should be host and second
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one should be peripheral
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power-domains:
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maxItems: 1
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big-endian:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Set this flag for HCDs with big endian descriptors and big
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endian registers.
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big-endian-desc:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Set this flag for HCDs with big endian descriptors.
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big-endian-regs:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Set this flag for HCDs with big endian registers.
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remote-wakeup-connected:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Remote wakeup is wired on the platform.
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no-big-frame-no:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Set if frame_no lives in bits [15:0] of HCCA
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num-ports:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Overrides the detected port count
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phys:
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description: PHY specifier for the USB PHY
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phy-names:
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const: usb
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iommus:
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maxItems: 1
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required:
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- compatible
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- reg
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- interrupts
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additionalProperties: false
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examples:
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- |
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ohci0: usb@1c14400 {
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compatible = "allwinner,sun4i-a10-ohci", "generic-ohci";
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reg = <0x01c14400 0x100>;
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interrupts = <64>;
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clocks = <&usb_clk 6>, <&ahb_gates 2>;
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phys = <&usbphy 1>;
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phy-names = "usb";
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};
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...
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