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|
# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/usb/generic-ehci.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: USB EHCI Controller
maintainers:
- Greg Kroah-Hartman <gregkh@linuxfoundation.org>
properties:
compatible:
oneOf:
- items:
- enum:
- allwinner,sun4i-a10-ehci
- allwinner,sun50i-a100-ehci
- allwinner,sun50i-a64-ehci
- allwinner,sun50i-h6-ehci
- allwinner,sun50i-h616-ehci
- allwinner,sun55i-a523-ehci
- allwinner,sun5i-a13-ehci
- allwinner,sun6i-a31-ehci
- allwinner,sun7i-a20-ehci
- allwinner,sun8i-a23-ehci
- allwinner,sun8i-a83t-ehci
- allwinner,sun8i-h3-ehci
- allwinner,sun8i-r40-ehci
- allwinner,sun8i-v3s-ehci
- allwinner,sun9i-a80-ehci
- allwinner,sun20i-d1-ehci
- aspeed,ast2400-ehci
- aspeed,ast2500-ehci
- aspeed,ast2600-ehci
- aspeed,ast2700-ehci
- brcm,bcm3384-ehci
- brcm,bcm63268-ehci
- brcm,bcm6328-ehci
- brcm,bcm6358-ehci
- brcm,bcm6362-ehci
- brcm,bcm6368-ehci
- brcm,bcm7125-ehci
- brcm,bcm7346-ehci
- brcm,bcm7358-ehci
- brcm,bcm7360-ehci
- brcm,bcm7362-ehci
- brcm,bcm7420-ehci
- brcm,bcm7425-ehci
- brcm,bcm7435-ehci
- hpe,gxp-ehci
- ibm,476gtr-ehci
- nxp,lpc1850-ehci
- qca,ar7100-ehci
- rockchip,rk3588-ehci
- snps,hsdk-v1.0-ehci
- socionext,uniphier-ehci
- const: generic-ehci
- items:
- enum:
- atmel,at91sam9g45-ehci
- cavium,octeon-6335-ehci
- ibm,usb-ehci-440epx
- ibm,usb-ehci-460ex
- nintendo,hollywood-usb-ehci
- st,spear600-ehci
- const: usb-ehci
- enum:
- generic-ehci
- marvell,ac5-ehci
- marvell,armada-3700-ehci
- marvell,orion-ehci
- nuvoton,npcm750-ehci
- nuvoton,npcm845-ehci
- ti,ehci-omap
- usb-ehci
- via,vt8500-ehci
reg:
minItems: 1
maxItems: 2
dma-coherent: true
interrupts:
maxItems: 1
resets:
minItems: 1
maxItems: 4
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.
has-transaction-translator:
$ref: /schemas/types.yaml#/definitions/flag
description:
Set this flag if EHCI has a Transaction Translator built into
the root hub.
needs-reset-on-resume:
$ref: /schemas/types.yaml#/definitions/flag
description:
Set this flag to force EHCI reset after resume.
spurious-oc:
$ref: /schemas/types.yaml#/definitions/flag
description:
Set this flag to indicate that the hardware sometimes turns on
the OC bit when an over-current isn't actually present.
phys:
minItems: 1
maxItems: 3
phy-names:
const: usb
iommus:
maxItems: 1
dr_mode:
enum:
- host
- otg
required:
- compatible
- reg
- interrupts
allOf:
- $ref: usb-hcd.yaml
- if:
properties:
compatible:
not:
contains:
const: ibm,usb-ehci-440epx
then:
properties:
reg:
maxItems: 1
- if:
properties:
compatible:
contains:
const: atmel,at91sam9g45-ehci
then:
properties:
clock-names:
items:
- const: usb_clk
- const: ehci_clk
phy_type:
enum:
- utmi
- hsic
required:
- clocks
- clock-names
else:
properties:
clock-names: false
unevaluatedProperties: false
examples:
- |
usb@e0000300 {
compatible = "ibm,usb-ehci-440epx", "usb-ehci";
interrupt-parent = <&UIC0>;
interrupts = <0x1a 4>;
reg = <0xe0000300 90>, <0xe0000390 70>;
big-endian;
};
- |
ehci0: usb@1c14000 {
compatible = "allwinner,sun4i-a10-ehci", "generic-ehci";
reg = <0x01c14000 0x100>;
interrupts = <39>;
clocks = <&ahb_gates 1>;
phys = <&usbphy 1>;
phy-names = "usb";
};
...
|
