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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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665029ecd1
"usb-phy" has multiple type definitions. Unify the type with the looser definition, phandle-array, as there are cases with multiple entries (USB2 and USB3). However, the 'phandle-array' type alone is a bit ambiguous. It can be either just an array of phandles or an array of phandles plus args. "usb-phy" is the former and needs to constrain each entry to a single phandle value. Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20240124190725.1554080-1-robh@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
65 lines
1.7 KiB
YAML
65 lines
1.7 KiB
YAML
# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/usb/usb.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Generic USB Controller
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maintainers:
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- Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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select: false
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properties:
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$nodename:
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pattern: "^usb(@.*)?"
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phys:
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description:
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List of all the USB PHYs on this HCD
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phy-names:
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description:
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Name specifier for the USB PHY
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usb-phy:
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$ref: /schemas/types.yaml#/definitions/phandle-array
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items:
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maxItems: 1
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description:
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List of all the USB PHYs on this HCD to be accepted by the legacy USB
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Physical Layer subsystem.
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deprecated: true
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phy_type:
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description:
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Tells USB controllers that we want to configure the core to support a
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UTMI+ PHY with an 8- or 16-bit interface if UTMI+ is selected, UTMI+ low
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pin interface if ULPI is specified, Serial core/PHY interconnect if
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serial is specified and High-Speed Inter-Chip feature if HSIC is
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selected. In case this isn't passed via DT, USB controllers should
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default to HW capability.
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$ref: /schemas/types.yaml#/definitions/string
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enum: [utmi, utmi_wide, ulpi, serial, hsic]
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maximum-speed:
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description:
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Tells USB controllers we want to work up to a certain speed. In case this
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isn't passed via DT, USB controllers should default to their maximum HW
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capability.
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$ref: /schemas/types.yaml#/definitions/string
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enum:
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- low-speed
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- full-speed
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- high-speed
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- super-speed
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- super-speed-plus
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- super-speed-plus-gen2x1
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- super-speed-plus-gen1x2
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- super-speed-plus-gen2x2
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additionalProperties: true
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...
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