c3e2485d5f
The generic EHCI binding is used by many controllers that are using the EHCI spec. Convert that binding to a YAML description to enable the validation on all the nodes using that binding. Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Acked-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
96 lines
2.1 KiB
YAML
96 lines
2.1 KiB
YAML
# 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 Device Tree Bindings
|
|
|
|
allOf:
|
|
- $ref: "usb-hcd.yaml"
|
|
|
|
maintainers:
|
|
- Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
|
|
properties:
|
|
compatible:
|
|
contains:
|
|
const: generic-ehci
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
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
|
|
|
|
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.
|
|
|
|
phys: true
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
- interrupts
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
ehci@e0000300 {
|
|
compatible = "ibm,usb-ehci-440epx", "generic-ehci";
|
|
interrupt-parent = <&UIC0>;
|
|
interrupts = <0x1a 4>;
|
|
reg = <0 0xe0000300 90 0 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";
|
|
};
|
|
|
|
...
|