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/Documentation/ABI/testing/
Dusb-charger-uevent1 What: Raise a uevent when a USB charger is inserted or removed
2 Date: 2020-01-14
4 Contact: linux-usb@vger.kernel.org
5 Description: There are two USB charger states:
7 - USB_CHARGER_ABSENT
8 - USB_CHARGER_PRESENT
10 There are five USB charger types:
20 https://www.usb.org/document-library/battery-charging-v12-spec-and-adopters-agreement
22 Here are two examples taken using ``udevadm monitor -p`` when
23 USB charger is online::
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/Documentation/devicetree/bindings/usb/
Dusb-nop-xceiv.txt1 USB NOP PHY
4 - compatible: should be usb-nop-xceiv
5 - #phy-cells: Must be 0
8 - clocks: phandle to the PHY clock. Use as per Documentation/devicetree
9 /bindings/clock/clock-bindings.txt
10 This property is required if clock-frequency is specified.
12 - clock-names: Should be "main_clk"
14 - clock-frequency: the clock frequency (in Hz) that the PHY clock must
17 - vcc-supply: phandle to the regulator that provides power to the PHY.
19 - reset-gpios: Should specify the GPIO for reset.
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Dingenic,musb.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/usb/ingenic,musb.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Ingenic JZ47xx USB IP DT bindings
10 - Paul Cercueil <paul@crapouillou.net>
14 pattern: '^usb@.*'
18 - enum:
19 - ingenic,jz4770-musb
20 - ingenic,jz4740-musb
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