| /linux/drivers/usb/typec/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
4 tristate "USB Type-C Support"
6 USB Type-C Specification defines a cable and connector for USB where
8 be Type-A plug on one end of the cable and Type-B plug on the other.
9 Determination of the host-to-device relationship happens through a
10 specific Configuration Channel (CC) which goes through the USB Type-C
12 Accessory Modes - Analog Audio and Debug - and if USB Power Delivery
14 something else then USB communication.
16 USB Power Delivery Specification defines a protocol that can be used
18 partners. USB Power Delivery allows higher voltages then the normal
[all …]
|
| /linux/Documentation/devicetree/bindings/connector/ |
| H A D | usb-connector.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/connector/usb-connector.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: USB Connector
10 - Rob Herring <robh@kernel.org>
13 A USB connector node represents a physical USB connector. It should be a child
14 of a USB interface controller or a separate node when it is attached to both
15 MUX and USB interface controller.
20 - enum:
[all …]
|
| /linux/drivers/extcon/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
11 host USB ports. Many of 30-pin connectors including PDMI are
25 tristate "X-Power AXP288 EXTCON support"
29 Say Y here to enable support for USB peripheral detection
30 and USB MUX switching by X-Power AXP288 PMIC.
39 FSA9480 microUSB switch and accessory detector chip. The FSA9480 is a USB
41 I2C and enables USB data, stereo and mono audio, video, microphone
55 Say Y here to enable extcon support for USB OTG ports controlled by
84 microUSB switch and accessory detector chip. The LC824206XA is a USB
86 using I2C and enables USB data, stereo and mono audio, video,
[all …]
|
| /linux/Documentation/driver-api/usb/ |
| H A D | writing_usb_driver.rst | 1 .. _writing-usb-driver:
4 Writing USB Device Drivers
7 :Author: Greg Kroah-Hartman
12 The Linux USB subsystem has grown from supporting only two different
15 almost all USB class devices (standard types of devices like keyboards,
16 mice, modems, printers and speakers) and an ever-growing number of
17 vendor-specific devices (such as USB to serial converters, digital
19 different USB devices currently supported, see Resources.
21 The remaining kinds of USB devices that do not have support on Linux are
22 almost all vendor-specific devices. Each vendor decides to implement a
[all …]
|
| H A D | typec.rst | 3 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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|
| H A D | writing_musb_glue_layer.rst | 10 The Linux MUSB subsystem is part of the larger Linux USB subsystem. It
11 provides support for embedded USB Device Controllers (UDC) that do not
15 Instead, these embedded UDC rely on the USB On-the-Go (OTG)
17 reference design used in most cases is the Multipoint USB Highspeed
18 Dual-Role Controller (MUSB HDRC) found in the Mentor Graphics Inventra™
21 As a self-taught exercise I have written an MUSB glue layer for the
24 ``drivers/usb/musb/jz4740.c``. In this documentation I will walk through the
25 basics of the ``jz4740.c`` glue layer, explaining the different pieces and
28 .. _musb-basics:
33 To get started on the topic, please read USB On-the-Go Basics (see
[all …]
|
| H A D | typec_bus.rst | 2 API for USB Type-C Alternate Mode drivers
6 ------------
9 Messages (VDM) as defined in USB Type-C and USB Power Delivery Specifications.
13 USB Type-C bus allows binding a driver to the discovered partner alternate
16 :ref:`USB Type-C Connector Class <typec>` provides a device for every alternate
36 ------
43 space (See Documentation/ABI/testing/sysfs-class-typec). Port drivers should not
46 ``->vdm`` is the most important callback in the operation callbacks vector. It
49 the SVID specific commands to each other using :c:func:`typec_altmode_vdm()`.
53 needs to notify the bus using :c:func:`typec_altmode_notify()`. The driver
[all …]
|
| /linux/Documentation/hid/ |
| H A D | hiddev.rst | 8 In addition to the normal input type HID devices, USB also uses the
14 To support these disparate requirements, the Linux USB system provides
18 normalised event interface - see Documentation/input/input.rst
24 usb.c ---> hid-core.c ----> hid-input.c ----> [keyboard/mouse/joystick/event]
27 --> hiddev.c ----> POWER / MONITOR CONTROL
29 In addition, other subsystems (apart from USB) can potentially feed
36 The hiddev interface is a char interface using the normal USB major,
40 mknod /dev/usb/hiddev0 c 180 96
41 mknod /dev/usb/hiddev1 c 180 97
42 mknod /dev/usb/hiddev2 c 180 98
[all …]
|
| /linux/Documentation/admin-guide/media/ |
| H A D | usb-cardlist.rst | 1 .. SPDX-License-Identifier: GPL-2.0
3 USB drivers
6 The USB boards are identified by an identification called USB ID.
8 The ``lsusb`` command allows identifying the USB IDs::
18 via USB Video Class. Those cameras are automatically supported by the
19 ``uvc-driver``.
21 Older cameras and TV USB devices uses USB Vendor Classes: each vendor
23 card lists for such vendor-class devices.
25 While this is not as common as on PCI, sometimes the same USB ID is used
30 The current supported USB cards (not including staging drivers) are
[all …]
|
| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-driver-typec-displayport | 6 Valid values are USB, source and sink. Source means DisplayPort
14 USB [source] sink
18 Note. USB configuration does not equal to Exit Mode. It is
20 USB Type-C Standard. Functionally it equals to the situation
22 Documentation/ABI/testing/sysfs-bus-typec, and use file
29 VESA DisplayPort Alt Mode on USB Type-C Standard defines six
30 different pin assignments for USB Type-C connector that are
31 labeled A, B, C, D, E, and F. The supported pin assignments are
37 C [D]
44 Note. As of VESA DisplayPort Alt Mode on USB Type-C Standard
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|
| H A D | sysfs-class-usb_role | 5 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
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
27 Optional symlink to the USB Type-C connector.
|
| /linux/Documentation/usb/ |
| H A D | acm.rst | 5 Copyright (c) 1999 Vojtech Pavlik <vojtech@suse.cz>
23 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 Should you need to contact me, the author, you can do so either by e-mail -
34 The drivers/usb/class/cdc-acm.c drivers works with USB modems and USB ISDN terminal
36 Abstract Control Model (USB CDC ACM) specification.
40 - 3Com OfficeConnect 56k
41 - 3Com Voice FaxModem Pro
42 - 3Com Sportster
43 - MultiTech MultiModem 56k
44 - Zoom 2986L FaxModem
[all …]
|
| H A D | usb-serial.rst | 2 USB serial
8 The USB serial driver currently supports a number of different USB to
25 mknod /dev/ttyUSB0 c 188 0
26 mknod /dev/ttyUSB1 c 188 1
27 mknod /dev/ttyUSB2 c 188 2
28 mknod /dev/ttyUSB3 c 188 3
32 mknod /dev/ttyUSB254 c 188 254
33 mknod /dev/ttyUSB255 c 188 255
45 --------------------------------------
57 HandSpring Visor, Palm USB, and Clié USB driver
[all …]
|
| /linux/drivers/usb/core/ |
| H A D | file.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * drivers/usb/core/file.c
5 * (C) Copyright Linus Torvalds 1999
6 * (C) Copyright Johannes Erdfelt 1999-2001
7 * (C) Copyright Andreas Gal 1999
8 * (C) Copyright Gregory P. Smith 1999
9 * (C) Copyright Deti Fliegl 1999 (new USB architecture)
10 * (C) Copyright Randy Dunlap 2000
11 * (C) Copyright David Brownell 2000-2001 (kernel hotplug, usb_device_id,
13 * (C) Copyright Yggdrasil Computing, Inc. 2000
[all …]
|
| /linux/rust/kernel/ |
| H A D | usb.rs | 1 // SPDX-License-Identifier: GPL-2.0
2 // SPDX-FileCopyrightText: Copyright (C) 2025 Collabora Ltd.
4 //! Abstractions for the USB bus.
6 //! C header: [`include/linux/usb.h`](srctree/include/linux/usb.h)
31 /// An adapter for the registration of USB driver
[all...] |
| /linux/Documentation/devicetree/bindings/usb/ |
| H A D | richtek,rt1719.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/usb/richtek,rt1719.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Richtek RT1719 sink-only Type-C PD controller
10 - ChiYuan Huang <cy_huang@richtek.com>
13 The RT1719 is a sink-only USB Type-C controller that complies with the latest
14 USB Type-C and PD standards. It does the USB Type-C detection including attach
15 and orientation. It integrates the physical layer of the USB BMC power
17 support for alternative interfaces of the Type-C specification.
[all …]
|
| H A D | realtek,rtd-type-c.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/usb/realtek,rtd-type-c.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Realtek DHC RTD SoCs USB Type-C Connector detection
11 - Stanley Chang <stanley_chang@realtek.com>
14 Realtek digital home center (DHC) RTD series SoCs include a type c module.
15 This module is able to detect the state of type c connector.
20 - realtek,rtd1295-type-c
21 - realtek,rtd1312c-type-c
[all …]
|
| H A D | willsemi,wusb3801.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/usb/willsemi,wusb3801.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: WUSB3801 Type-C port controller
10 The Will Semiconductor WUSB3801 is a USB Type-C port controller which
12 compatible with the USB Type-C Cable and Connector Specification v1.2.
15 - Samuel Holland <samuel@sholland.org>
20 - willsemi,wusb3801
30 $ref: ../connector/usb-connector.yaml#
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|
| H A D | qcom,wcd939x-usbss.yaml | 1 # 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
[all …]
|
| /linux/drivers/usb/serial/ |
| H A D | usb-serial-simple.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * USB Serial "Simple" driver
5 * Copyright (C) 2001-2006,2008,2013 Greg Kroah-Hartman <greg@kroah.com>
6 * Copyright (C) 2005 Arthur Huillet (ahuillet@users.sf.net)
7 * Copyright (C) 2005 Thomas Hergenhahn <thomas.hergenhahn@suse.de>
8 * Copyright (C) 2009 Outpost Embedded, LLC
9 * Copyright (C) 2010 Zilogic Systems <code@zilogic.com>
10 * Copyright (C) 2013 Wei Shuai <cpuwolf@gmail.com>
11 * Copyright (C) 2013 Linux Foundation
17 #include <linux/usb.h>
[all …]
|
| /linux/drivers/phy/spacemit/ |
| H A D | phy-k3-combo.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * phy-k3-combo.c - SpacemiT K3 PCIe/USB3 Combo PHY Driver
5 * Copyright (c) 2025 SpacemiT Technology Co. Ltd
18 #include <dt-bindings/phy/phy.h>
20 #include "phy-k3-common.h"
23 * The PCIE/USB Subsystem on SpacemiT K3 have 3 single lane PIPE3 PHYs
24 * (PHY2/3/4) shared by PCIE PortC/D and USB3 PortB/C/D.
29 * 1 : PHY lanes shared between PCIe or USB according to [3:0]
33 * 0x0X : PCIe-A X8
34 * 0x10 : PCIe-C x2 (PHY2+PHY3) + PCIe-D x1 (PHY4)
[all …]
|
| /linux/drivers/usb/gadget/legacy/ |
| H A D | gmidi.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * gmidi.c -- USB MIDI Gadget Driver
5 * Copyright (C) 2006 Thumtronics Pty Ltd.
11 * Gadget Zero driver, Copyright (C) 2003-2004 David Brownell.
12 * USB Audio driver, Copyright (C) 2002 by Takashi Iwai.
13 * USB MIDI driver, Copyright (C) 2002-2005 Clemens Ladisch.
15 * Refer to the USB Device Class Definition for MIDI Devices:
16 * http://www.usb.org/developers/devclass_docs/midi10.pdf
26 #include <linux/usb/composite.h>
27 #include <linux/usb/gadget.h>
[all …]
|
| /linux/include/linux/usb/ |
| H A D | ch9.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * This file holds USB constants and structures that are needed for
4 * USB device APIs. These are used by the USB device model, which is
5 * defined in chapter 9 of the USB 2.0 specification and in the
6 * Wireless USB 1.0 spec (now defunct). Linux has several APIs in C that
9 * - the host side Linux-USB kernel driver API;
10 * - the "usbfs" user space API; and
11 * - the Linux "gadget" device/peripheral side driver API.
13 * USB 2.0 adds an additional "On The Go" (OTG) mode, which lets systems
14 * act either as a USB host or as a USB device. That means the host and
[all …]
|
| /linux/drivers/net/wireless/zydas/zd1211rw/ |
| H A D | zd_usb.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* ZD1211 USB-WLAN driver for Linux
4 * Copyright (C) 2005-2007 Ulrich Kunitz <kune@deine-taler.de>
5 * Copyright (C) 2006-2007 Daniel Drake <dsd@gentoo.org>
15 #include <linux/usb.h>
44 * used if one combined frame is split over two USB transactions.
102 /* USB interrupt */
136 /* Stores the USB int structure and contains the USB address of the
167 return (struct usb_int_regs *)intr->read_regs.buffer; in get_read_regs()
185 * struct zd_usb_tx - structure used for transmitting frames
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|
| /linux/drivers/media/usb/dvb-usb-v2/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 tristate "Support for various USB DVB devices v2"
4 depends on DVB_CORE && USB && I2C && (RC_CORE || RC_CORE=n)
9 Almost every USB device needs a firmware, please look into
10 <file:Documentation/driver-api/media/drivers/dvb-usb.rst>.
12 For a complete list of supported USB devices see the LinuxTV DVB Wiki:
15 Say Y if you own a USB DVB device.
20 tristate "Afatech AF9015 DVB-T USB2.0 support"
33 Say Y here to support the Afatech AF9015 based DVB-T USB2.0 receiver
36 tristate "Afatech AF9035 DVB-T USB2.0 support"
[all …]
|