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/Documentation/ABI/testing/
Dsysfs-class-usb_role5 Place in sysfs for USB Role Switches. USB Role Switch is a
6 device that can select the data role (host or device) for USB
9 What: /sys/class/usb_role/<switch>/role
13 The current role of the switch. This attribute can be used for
14 requesting role swapping with non-USB Type-C ports. With USB
15 Type-C ports, the ABI defined for USB Type-C connector class
19 - none
20 - host
21 - device
23 What: /sys/class/usb_role/<switch>/connector
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/Documentation/devicetree/bindings/usb/
Dmediatek,musb.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/usb/mediatek,musb.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Min Guo <min.guo@mediatek.com>
15 pattern: '^usb@[0-9a-f]+$'
19 - enum:
20 - mediatek,mt8516-musb
21 - mediatek,mt2701-musb
22 - mediatek,mt7623-musb
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Dqcom,wcd939x-usbss.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/usb/qcom,wcd939x-usbss.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm WCD9380/WCD9385 USB SubSystem Altmode/Analog Audio Switch
10 - Neil Armstrong <neil.armstrong@linaro.org>
13 Qualcomm WCD9390/WCD9395 is a standalone Hi-Fi audio codec IC with a
14 functionally separate USB SubSystem for Altmode/Analog Audio Switch
17 USB-C Mux subsystems are external to the IC, thus requiring DT port-endpoint
18 graph description to handle USB-C altmode & orientation switching for Audio
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Dmediatek,mtu3.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/usb/mediatek,mtu3.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Chunfeng Yun <chunfeng.yun@mediatek.com>
14 - $ref: usb-drd.yaml
23 - enum:
24 - mediatek,mt2712-mtu3
25 - mediatek,mt8173-mtu3
26 - mediatek,mt8183-mtu3
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Ddwc2.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/usb/dwc2.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: DesignWare HS OTG USB 2.0 controller
10 - Rob Herring <robh@kernel.org>
13 - $ref: usb-drd.yaml#
14 - $ref: usb-hcd.yaml#
19 - const: brcm,bcm2835-usb
20 - const: hisilicon,hi6220-usb
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Dgpio-sbu-mux.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/usb/gpio-sbu-mux.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: GPIO-based SBU mux
10 - Bjorn Andersson <andersson@kernel.org>
13 In USB Type-C applications the SBU lines needs to be connected, disconnected
21 - enum:
22 - nxp,cbdtu02043
23 - onnn,fsusb43l10x
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Dusb-drd.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/usb/usb-drd.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Generic USB OTG Controller
10 - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
13 otg-rev:
15 Tells usb driver the release number of the OTG and EH supplement with
16 which the device and its descriptors are compliant, in binary-coded
18 features (HNP/SRP/ADP) is enabled. If ADP is required, otg-rev should be
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Dusb-switch.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/usb/usb-switch.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: USB Orientation and Mode Switches Common Properties
10 - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
13 Common properties for devices handling USB mode and orientation switching.
16 mode-switch:
20 orientation-switch:
24 retimer-switch:
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Dnxp,ptn36502.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/usb/nxp,ptn36502.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NXP PTN36502 Type-C USB 3.1 Gen 1 and DisplayPort v1.2 combo redriver
10 - Luca Weiss <luca.weiss@fairphone.com>
15 - nxp,ptn36502
20 vdd18-supply:
23 orientation-switch: true
24 retimer-switch: true
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Drenesas,usb3-peri.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/usb/renesas,usb3-peri.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Renesas USB 3.0 Peripheral controller
10 - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
15 - items:
16 - enum:
17 - renesas,r8a774a1-usb3-peri # RZ/G2M
18 - renesas,r8a774b1-usb3-peri # RZ/G2N
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Dmediatek,mt6360-tcpc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/usb/mediatek,mt6360-tcpc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Mediatek MT6360 Type-C Port Switch and Power Delivery controller
10 - ChiYuan Huang <cy_huang@richtek.com>
13 Mediatek MT6360 is a multi-functional device. It integrates charger, ADC, flash, RGB indicators,
14 regulators (BUCKs/LDOs), and TypeC Port Switch with Power Delivery controller.
15 This document only describes MT6360 Type-C Port Switch and Power Delivery controller.
20 - mediatek,mt6360-tcpc
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Dmediatek,mt6370-tcpc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/usb/mediatek,mt6370-tcpc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: MediatTek MT6370 Type-C Port Switch and Power Delivery controller
10 - ChiYuan Huang <cy_huang@richtek.com>
13 MediaTek MT6370 is a multi-functional device.
15 regulators (DSV/VIBLDO), and TypeC Port Switch with Power Delivery controller.
16 This document only describes MT6370 Type-C Port Switch and
22 - mediatek,mt6370-tcpc
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Dite,it5205.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/usb/ite,it5205.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ITE IT5202 Type-C USB Alternate Mode Passive MUX
10 - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
11 - Tianping Fang <tianping.fang@mediatek.com>
20 vcc-supply:
23 mode-switch:
27 orientation-switch:
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Drealtek,rtd-dwc3.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/usb/realtek,rtd-dwc3.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Realtek DWC3 USB SoC Controller Glue
11 - Stanley Chang <stanley_chang@realtek.com>
14 The Realtek DHC SoC embeds a DWC3 USB IP Core configured for USB 2.0
15 and USB 3.0 in host or dual-role mode.
20 - enum:
21 - realtek,rtd1295-dwc3
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Dfcs,fsa4480.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/usb/fcs,fsa4480.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ON Semiconductor Analog Audio Switch
10 - Bjorn Andersson <bjorn.andersson@linaro.org>
15 - const: fcs,fsa4480
16 - items:
17 - enum:
18 - ocs,ocp96011
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Dti,tps6598x.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/usb/ti,tps6598x.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Texas Instruments 6598x Type-C Port Switch and Power Delivery controller
10 - Bryan O'Donoghue <bryan.odonoghue@linaro.org>
13 Texas Instruments 6598x Type-C Port Switch and Power Delivery controller
21 - ti,tps6598x
22 - apple,cd321x
23 - ti,tps25750
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Dqcom,pmic-typec.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/usb/qcom,pmic-typec.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm PMIC based USB Type-C block
10 - Bryan O'Donoghue <bryan.odonoghue@linaro.org>
13 Qualcomm PMIC Type-C block
18 - enum:
19 - qcom,pmi632-typec
20 - qcom,pm8150b-typec
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/Documentation/devicetree/bindings/extcon/
Dextcon-rt8973a.txt2 * Richtek RT8973A - Micro USB Switch device
4 The Richtek RT8973A is Micro USB Switch with OVP and I2C interface. The RT8973A
5 is a USB port accessory detector and switch that is optimized to protect low
7 speed USB operation. Also, RT8973A support 'auto-configuration' mode.
8 If auto-configuration mode is enabled, RT8973A would control internal h/w patch
9 for USB D-/D+ switching.
12 - compatible: Should be "richtek,rt8973a-muic"
13 - reg: Specifies the I2C slave address of the MUIC block. It should be 0x14
14 - interrupts: Interrupt specifiers for detection interrupt sources.
19 compatible = "richtek,rt8973a-muic";
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Dfcs,fsa880.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Linus Walleij <linus.walleij@linaro.org>
13 The FSA880 and FSA9480 are USB port accessory detectors and switches.
14 The switch is fully controlled using I2C and enables USB data, stereo
21 - fcs,fsa880
22 - fcs,fsa9480
23 - ti,tsu6111
34 - compatible
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/Documentation/devicetree/bindings/net/
Dmarvell,mvusb.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Marvell USB to MDIO Controller
10 - Tobias Waldekranz <tobias@waldekranz.com>
14 family of Ethernet switches. It allows you to configure the switch's registers
17 Since the device is connected over USB, there is no strict requirement of
19 the mv88e6xxx driver, you need a device tree node in which to place the switch
23 - $ref: mdio.yaml#
30 description: The USB port number on the host controller
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/Documentation/devicetree/bindings/phy/
Dnvidia,tegra194-xusb-padctl.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/phy/nvidia,tegra194-xusb-padctl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
21 Some of the lanes are high-speed lanes, which can be used for PCIe, SATA or
22 super-speed USB. Other lanes are for various types of low-speed, full-speed
23 or high-speed USB (such as UTMI, ULPI and HSIC). The XUSB pad controller
24 contains a software-configurable mux that sits between the I/O controller
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Dnvidia,tegra186-xusb-padctl.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/phy/nvidia,tegra186-xusb-padctl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
21 Some of the lanes are high-speed lanes, which can be used for PCIe, SATA or
22 super-speed USB. Other lanes are for various types of low-speed, full-speed
23 or high-speed USB (such as UTMI, ULPI and HSIC). The XUSB pad controller
24 contains a software-configurable mux that sits between the I/O controller
[all …]
Dnvidia,tegra210-xusb-padctl.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/phy/nvidia,tegra210-xusb-padctl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
21 Some of the lanes are high-speed lanes, which can be used for PCIe, SATA or
22 super-speed USB. Other lanes are for various types of low-speed, full-speed
23 or high-speed USB (such as UTMI, ULPI and HSIC). The XUSB pad controller
24 contains a software-configurable mux that sits between the I/O controller
[all …]
/Documentation/usb/
Dchipidea.rst6 -----------------------------------
12 -------------------------
29 otg-rev = <0x0200>;
30 adp-disable;
33 -------------------
38 2) Connect 2 boards with usb cable: one end is micro A plug, the other end
41 The A-device (with micro A plug inserted) should enumerate B-device.
43 3) Role switch
45 On B-device::
49 B-device should take host role and enumerate A-device.
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/Documentation/driver-api/usb/
Dtypec.rst3 USB Type-C connector class
7 ------------
9 The typec class is meant for describing the USB Type-C ports in a system to the
14 The platforms are expected to register every USB Type-C port they have with the
15 class. In a normal case the registration will be done by a USB Type-C or PD PHY
17 USB PD controller or even driver for Thunderbolt3 controller. This document
18 considers the component registering the USB Type-C ports with the class as "port
26 attributes are described in Documentation/ABI/testing/sysfs-class-typec.
29 --------------------
36 "port0-partner". Full path to the device would be
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