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|
# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/usb/generic-ohci.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: USB OHCI Controller
maintainers:
- Greg Kroah-Hartman <gregkh@linuxfoundation.org>
properties:
compatible:
oneOf:
- items:
- enum:
- allwinner,sun4i-a10-ohci
- allwinner,sun50i-a100-ohci
- allwinner,sun50i-a64-ohci
- allwinner,sun50i-h6-ohci
- allwinner,sun50i-h616-ohci
- allwinner,sun55i-a523-ohci
- allwinner,sun5i-a13-ohci
- allwinner,sun6i-a31-ohci
- allwinner,sun7i-a20-ohci
- allwinner,sun8i-a23-ohci
- allwinner,sun8i-a83t-ohci
- allwinner,sun8i-h3-ohci
- allwinner,sun8i-r40-ohci
- allwinner,sun8i-v3s-ohci
- allwinner,sun9i-a80-ohci
- allwinner,sun20i-d1-ohci
- brcm,bcm3384-ohci
- brcm,bcm63268-ohci
- brcm,bcm6328-ohci
- brcm,bcm6358-ohci
- brcm,bcm6362-ohci
- brcm,bcm6368-ohci
- brcm,bcm7125-ohci
- brcm,bcm7346-ohci
- brcm,bcm7358-ohci
- brcm,bcm7360-ohci
- brcm,bcm7362-ohci
- brcm,bcm7420-ohci
- brcm,bcm7425-ohci
- brcm,bcm7435-ohci
- hpe,gxp-ohci
- ibm,476gtr-ohci
- ingenic,jz4740-ohci
- rockchip,rk3588-ohci
- snps,hsdk-v1.0-ohci
- const: generic-ohci
- enum:
- generic-ohci
- ti,ohci-omap3
- items:
- enum:
- atmel,at91rm9200-ohci
- cavium,octeon-6335-ohci
- nintendo,hollywood-usb-ohci
- nxp,ohci-nxp
- st,spear600-ohci
- const: usb-ohci
reg:
maxItems: 1
dma-coherent: true
interrupts:
maxItems: 1
resets:
minItems: 1
maxItems: 2
clocks:
minItems: 1
maxItems: 4
description: |
In case the Renesas R-Car Gen3 SoCs:
- if a host only channel: first clock should be host.
- if a USB DRD channel: first clock should be host and second
one should be peripheral
clock-names:
minItems: 1
maxItems: 4
power-domains:
maxItems: 1
big-endian:
$ref: /schemas/types.yaml#/definitions/flag
description:
Set this flag for HCDs with big endian descriptors and big
endian registers.
big-endian-desc:
$ref: /schemas/types.yaml#/definitions/flag
description:
Set this flag for HCDs with big endian descriptors.
big-endian-regs:
$ref: /schemas/types.yaml#/definitions/flag
description:
Set this flag for HCDs with big endian registers.
remote-wakeup-connected:
$ref: /schemas/types.yaml#/definitions/flag
description:
Remote wakeup is wired on the platform.
no-big-frame-no:
$ref: /schemas/types.yaml#/definitions/flag
description:
Set if frame_no lives in bits [15:0] of HCCA
num-ports:
$ref: /schemas/types.yaml#/definitions/uint32
description:
Overrides the detected port count
phys:
minItems: 1
maxItems: 3
phy-names:
const: usb
iommus:
maxItems: 1
dr_mode:
enum:
- host
- otg
transceiver:
$ref: /schemas/types.yaml#/definitions/phandle
description:
The associated ISP1301 device. Necessary for the UDC controller for
connecting to the USB physical layer.
atmel,vbus-gpio:
description:
GPIO used to control or sense the USB VBUS power. Each entry
represents a VBUS-related GPIO; count and order may vary by hardware.
Entries follow standard GPIO specifier format. A value of 0 indicates
an unused or unavailable VBUS signal.
minItems: 1
maxItems: 3
atmel,oc-gpio:
description:
GPIO used to signal USB overcurrent condition. Each entry represents
an OC detection GPIO; count and order may vary by hardware. Entries
follow standard GPIO specifier format. A value of 0 indicates an
unused or unavailable OC signal.
minItems: 1
maxItems: 3
required:
- compatible
- reg
- interrupts
allOf:
- $ref: usb-hcd.yaml
- if:
properties:
compatible:
contains:
const: atmel,at91rm9200-ohci
then:
properties:
clock-names:
items:
- const: ohci_clk
- const: hclk
- const: uhpck
required:
- clocks
- clock-names
else:
properties:
clock-names: false
atmel,vbus-gpio: false
atmel,oc-gpio: false
- if:
not:
properties:
compatible:
contains:
const: nxp,ohci-nxp
then:
properties:
transceiver: false
- if:
properties:
compatible:
contains:
const: rockchip,rk3588-ohci
then:
properties:
clocks:
minItems: 4
else:
properties:
clocks:
minItems: 1
maxItems: 3
unevaluatedProperties: false
examples:
- |
ohci0: usb@1c14400 {
compatible = "allwinner,sun4i-a10-ohci", "generic-ohci";
reg = <0x01c14400 0x100>;
interrupts = <64>;
clocks = <&usb_clk 6>, <&ahb_gates 2>;
phys = <&usbphy 1>;
phy-names = "usb";
};
...
|
