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source | linux | .. SPDX-License-Identifier: GPL-2.0
Kernel driver tmp464
====================
Supported chips:
* Texas Instruments TMP464
Prefix: 'tmp464'
Addresses scanned: I2C 0x48, 0x49, 0x4a and 0x4b
Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp464.html
* Texas Instruments TMP468
Prefix: 't... | Documentation/hwmon/tmp464.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
Kernel driver tmp513
====================
Supported chips:
* Texas Instruments TMP512
Prefix: 'tmp512'
Datasheet: https://www.ti.com/lit/ds/symlink/tmp512.pdf
* Texas Instruments TMP513
Prefix: 'tmp513'
Datasheet: https://www.ti.com/lit/ds/symlink/tmp513.p... | Documentation/hwmon/tmp513.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0-only
Kernel driver tps23861
======================
Supported chips:
* Texas Instruments TPS23861
Prefix: 'tps23861'
Datasheet: https://www.ti.com/lit/gpn/tps23861
Author: Robert Marko <robert.marko@sartura.hr>
Description
-----------
This driver supports hardware mon... | Documentation/hwmon/tps23861.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
Kernel driver tps25990
======================
Supported chips:
* TI TPS25990
Prefix: 'tps25990'
* Datasheet
Publicly available at Texas Instruments website: https://www.ti.com/lit/gpn/tps25990
Author:
Jerome Brunet <jbrunet@baylibre.com>
Description
-----------
... | Documentation/hwmon/tps25990.rst | null | null | null | null | null |
source | linux | Kernel driver tps40422
======================
Supported chips:
* TI TPS40422
Prefix: 'tps40422'
Addresses scanned: -
Datasheet: https://www.ti.com/lit/gpn/tps40422
Author: Zhu Laiwen <richard.zhu@nsn.com>
Description
-----------
This driver supports TI TPS40422 Dual-Output or Two-Phase Synchronou... | Documentation/hwmon/tps40422.rst | null | null | null | null | null |
source | linux | Kernel driver tps53679
======================
Supported chips:
* Texas Instruments TPS53647
Prefix: 'tps53647'
Addresses scanned: -
Datasheet: https://www.ti.com/lit/gpn/tps53647
* Texas Instruments TPS53667
Prefix: 'tps53667'
Addresses scanned: -
Datasheet: https://www.ti.com/lit/g... | Documentation/hwmon/tps53679.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0-only
Kernel driver tps546d24
=======================
Supported chips:
* TI TPS546D24
Prefix: 'tps546d24'
Addresses scanned: -
Datasheet: https://www.ti.com/lit/gpn/tps546d24
Author: Duke Du <dukedu83@gmail.com>
Description
-----------
The TPS546D24A is a highl... | Documentation/hwmon/tps546d24.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0-only
Kernel driver tsc1641
=====================
Supported chips:
* ST TSC1641
Prefix: 'tsc1641'
Addresses scanned: -
Datasheet:
https://www.st.com/resource/en/datasheet/tsc1641.pdf
Author:
- Igor Reznichenko <igor@reznichenko.net>
Description
-----------
Th... | Documentation/hwmon/tsc1641.rst | null | null | null | null | null |
source | linux | Kernel driver twl4030-madc
==========================
Supported chips:
* Texas Instruments TWL4030
Prefix: 'twl4030-madc'
Authors:
J Keerthy <j-keerthy@ti.com>
Description
-----------
The Texas Instruments TWL4030 is a Power Management and Audio Circuit. Among
other things it contains a 10-bit A/D converter M... | Documentation/hwmon/twl4030-madc-hwmon.rst | null | null | null | null | null |
source | linux | Kernel driver ucd9000
=====================
Supported chips:
* TI UCD90120, UCD90124, UCD90160, UCD90320, UCD9090, and UCD90910
Prefixes: 'ucd90120', 'ucd90124', 'ucd90160', 'ucd90320', 'ucd9090',
'ucd90910'
Addresses scanned: -
Datasheets:
- http://focus.ti.com/lit/ds/symlink/ucd9012... | Documentation/hwmon/ucd9000.rst | null | null | null | null | null |
source | linux | Kernel driver ucd9200
=====================
Supported chips:
* TI UCD9220, UCD9222, UCD9224, UCD9240, UCD9244, UCD9246, and UCD9248
Prefixes: 'ucd9220', 'ucd9222', 'ucd9224', 'ucd9240', 'ucd9244', 'ucd9246',
'ucd9248'
Addresses scanned: -
Datasheets:
- http://focus.ti.com/lit/ds/symlink/ucd9220... | Documentation/hwmon/ucd9200.rst | null | null | null | null | null |
source | linux | Userspace tools
===============
Introduction
------------
Most mainboards have sensor chips to monitor system health (like temperatures,
voltages, fans speed). They are often connected through an I2C bus, but some
are also connected directly through the ISA bus.
The kernel drivers make the data from the sensor chips... | Documentation/hwmon/userspace-tools.rst | null | null | null | null | null |
source | linux | Kernel driver vexpress
======================
Supported systems:
* ARM Ltd. Versatile Express platform
Prefix: 'vexpress'
Datasheets:
* "Hardware Description" sections of the Technical Reference Manuals
for the Versatile Express boards:
- http://infocenter.arm.com/help/topic/com.arm.doc.subset.b... | Documentation/hwmon/vexpress.rst | null | null | null | null | null |
source | linux | Kernel driver via686a
=====================
Supported chips:
* Via VT82C686A, VT82C686B Southbridge Integrated Hardware Monitor
Prefix: 'via686a'
Addresses scanned: ISA in PCI-space encoded address
Datasheet: On request through web form (http://www.via.com.tw/en/resources/download-center/)
Authors:... | Documentation/hwmon/via686a.rst | null | null | null | null | null |
source | linux | Kernel driver vt1211
====================
Supported chips:
* VIA VT1211
Prefix: 'vt1211'
Addresses scanned: none, address read from Super-I/O config space
Datasheet: Provided by VIA upon request and under NDA
Authors: Juerg Haefliger <juergh@gmail.com>
This driver is based on the driver for kernel ... | Documentation/hwmon/vt1211.rst | null | null | null | null | null |
source | linux | Kernel driver w83627ehf
=======================
Supported chips:
* Winbond W83627EHF/EHG (ISA access ONLY)
Prefix: 'w83627ehf'
Addresses scanned: ISA address retrieved from Super I/O registers
Datasheet: not available
* Winbond W83627DHG
Prefix: 'w83627dhg'
Addresses scanned: ISA address... | Documentation/hwmon/w83627ehf.rst | null | null | null | null | null |
source | linux | Kernel driver w83627hf
======================
Supported chips:
* Winbond W83627HF (ISA accesses ONLY)
Prefix: 'w83627hf'
Addresses scanned: ISA address retrieved from Super I/O registers
* Winbond W83627THF
Prefix: 'w83627thf'
Addresses scanned: ISA address retrieved from Super I/O registers
* Wi... | Documentation/hwmon/w83627hf.rst | null | null | null | null | null |
source | linux | Kernel driver w83773g
=====================
Supported chips:
* Nuvoton W83773G
Prefix: 'w83773g'
Addresses scanned: I2C 0x4c and 0x4d
Datasheet: https://www.nuvoton.com/resource-files/W83773G_SG_DatasheetV1_2.pdf
Authors:
Lei YU <mine260309@gmail.com>
Description
-----------
This driver implemen... | Documentation/hwmon/w83773g.rst | null | null | null | null | null |
source | linux | Kernel driver w83781d
=====================
Supported chips:
* Winbond W83781D
Prefix: 'w83781d'
Addresses scanned: I2C 0x28 - 0x2f, ISA 0x290 (8 I/O ports)
Datasheet: http://www.winbond-usa.com/products/winbond_products/pdfs/PCIC/w83781d.pdf
* Winbond W83782D
Prefix: 'w83782d'
Addresses... | Documentation/hwmon/w83781d.rst | null | null | null | null | null |
source | linux | Kernel driver w83791d
=====================
Supported chips:
* Winbond W83791D
Prefix: 'w83791d'
Addresses scanned: I2C 0x2c - 0x2f
Datasheet: http://www.winbond-usa.com/products/winbond_products/pdfs/PCIC/W83791D_W83791Gb.pdf
Author: Charles Spirakis <bezaur@gmail.com>
This driver was derived from... | Documentation/hwmon/w83791d.rst | null | null | null | null | null |
source | linux | Kernel driver w83792d
=====================
Supported chips:
* Winbond W83792D
Prefix: 'w83792d'
Addresses scanned: I2C 0x2c - 0x2f
Datasheet: http://www.winbond.com.tw
Author: Shane Huang (Winbond)
Updated: Roger Lucas
Module Parameters
-----------------
* init int
(default 1)
Use 'init... | Documentation/hwmon/w83792d.rst | null | null | null | null | null |
source | linux | Kernel driver w83793
====================
Supported chips:
* Winbond W83793G/W83793R
Prefix: 'w83793'
Addresses scanned: I2C 0x2c - 0x2f
Datasheet: Still not published
Authors:
- Yuan Mu (Winbond Electronics)
- Rudolf Marek <r.marek@assembler.cz>
Module parameters
-----------------
* rese... | Documentation/hwmon/w83793.rst | null | null | null | null | null |
source | linux | Kernel driver w83795
====================
Supported chips:
* Winbond/Nuvoton W83795G
Prefix: 'w83795g'
Addresses scanned: I2C 0x2c - 0x2f
Datasheet: Available for download on nuvoton.com
* Winbond/Nuvoton W83795ADG
Prefix: 'w83795adg'
Addresses scanned: I2C 0x2c - 0x2f
Datasheet: Av... | Documentation/hwmon/w83795.rst | null | null | null | null | null |
source | linux | Kernel driver w83l785ts
=======================
Supported chips:
* Winbond W83L785TS-S
Prefix: 'w83l785ts'
Addresses scanned: I2C 0x2e
Datasheet: Publicly available at the Winbond USA website
http://www.winbond-usa.com/products/winbond_products/pdfs/PCIC/W83L785TS-S.pdf
Authors:
Jean Delva... | Documentation/hwmon/w83l785ts.rst | null | null | null | null | null |
source | linux | Kernel driver w83l786ng
=======================
Supported chips:
* Winbond W83L786NG/W83L786NR
Prefix: 'w83l786ng'
Addresses scanned: I2C 0x2e - 0x2f
Datasheet: http://www.winbond-usa.com/products/winbond_products/pdfs/PCIC/W83L786NRNG09.pdf
Author: Kevin Lo <kevlo@kevlo.org>
Module Parameters
---... | Documentation/hwmon/w83l786ng.rst | null | null | null | null | null |
source | linux | Kernel driver wm831x-hwmon
==========================
Supported chips:
* Wolfson Microelectronics WM831x PMICs
Prefix: 'wm831x'
Datasheet:
- http://www.wolfsonmicro.com/products/WM8310
- http://www.wolfsonmicro.com/products/WM8311
- http://www.wolfsonmicro.com/products/WM8312
Authors: Mark Brown <broo... | Documentation/hwmon/wm831x.rst | null | null | null | null | null |
source | linux | Kernel driver wm8350-hwmon
==========================
Supported chips:
* Wolfson Microelectronics WM835x PMICs
Prefix: 'wm8350'
Datasheet:
- http://www.wolfsonmicro.com/products/WM8350
- http://www.wolfsonmicro.com/products/WM8351
- http://www.wolfsonmicro.com/products/WM8352
Authors: Mark Brown <bro... | Documentation/hwmon/wm8350.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
Kernel driver xdp710
====================
Supported chips:
* Infineon XDP710
Prefix: 'xdp710'
* Datasheet
Publicly available at the Infineon website : https://www.infineon.com/dgdl/Infineon-XDP710-001-DataSheet-v01_00-EN.pdf?fileId=8ac78c8c8412f8d301848a5316290b97
... | Documentation/hwmon/xdp710.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
Kernel driver xdpe122
=====================
Supported chips:
* Infineon XDPE11280
Prefix: 'xdpe11280'
* Infineon XDPE12254
Prefix: 'xdpe12254'
* Infineon XDPE12284
Prefix: 'xdpe12284'
Authors:
Vadim Pasternak <vadimp@mellanox.com>
Description
-----------... | Documentation/hwmon/xdpe12284.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
Kernel driver xdpe152
=====================
Supported chips:
* Infineon XDPE152C4
Prefix: 'xdpe152c4'
* Infineon XDPE15284
Prefix: 'xdpe15284'
Authors:
Greg Schwendimann <greg.schwendimann@infineon.com>
Description
-----------
This driver implements support ... | Documentation/hwmon/xdpe152c4.rst | null | null | null | null | null |
source | linux | Kernel driver xgene-hwmon
=========================
Supported chips:
* APM X-Gene SoC
Description
-----------
This driver adds hardware temperature and power reading support for
APM X-Gene SoC using the mailbox communication interface.
For device tree, it is the standard DT mailbox.
For ACPI, it is the PCC mailbox... | Documentation/hwmon/xgene-hwmon.rst | null | null | null | null | null |
source | linux | Kernel driver zl6100
====================
Supported chips:
* Renesas / Intersil / Zilker Labs ZL2004
Prefix: 'zl2004'
Addresses scanned: -
Datasheet: https://www.renesas.com/us/en/document/dst/zl2004-datasheet
* Renesas / Intersil / Zilker Labs ZL2005
Prefix: 'zl2005'
Addresses scanned: ... | Documentation/hwmon/zl6100.rst | null | null | null | null | null |
source | linux | ============================================
Implementing I2C device drivers in userspace
============================================
Usually, I2C devices are controlled by a kernel driver. But it is also
possible to access all devices on an adapter from userspace, through
the /dev interface. You need to load module ... | Documentation/i2c/dev-interface.rst | null | null | null | null | null |
source | linux | =================
Linux I2C and DMA
=================
Given that I2C is a low-speed bus, over which the majority of messages
transferred are small, it is not considered a prime user of DMA access. At this
time of writing, only 10% of I2C bus master drivers have DMA support
implemented. And the vast majority of transac... | Documentation/i2c/dma-considerations.rst | null | null | null | null | null |
source | linux | =====================
I2C/SMBUS Fault Codes
=====================
This is a summary of the most important conventions for use of fault
codes in the I2C/SMBus stack.
A "Fault" is not always an "Error"
----------------------------------
Not all fault reports imply errors; "page faults" should be a familiar
example. S... | Documentation/i2c/fault-codes.rst | null | null | null | null | null |
source | linux | =======================
I2C/SMBus Functionality
=======================
INTRODUCTION
------------
Because not every I2C or SMBus adapter implements everything in the
I2C specifications, a client can not trust that everything it needs
is implemented when it is given the option to attach to an adapter:
the client needs... | Documentation/i2c/functionality.rst | null | null | null | null | null |
source | linux | =========================
Linux I2C fault injection
=========================
The GPIO based I2C bus master driver can be configured to provide fault
injection capabilities. It is then meant to be connected to another I2C bus
which is driven by the I2C bus master driver under test. The GPIO fault
injection driver can ... | Documentation/i2c/gpio-fault-injection.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
=======================
I2C Address Translators
=======================
Author: Luca Ceresoli <luca@lucaceresoli.net>
Author: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Description
-----------
An I2C Address Translator (ATR) is a device with an I2C slave parent
("upstream")... | Documentation/i2c/i2c-address-translators.rst | null | null | null | null | null |
source | linux | ================
The I2C Protocol
================
This document is an overview of the basic I2C transactions and the kernel
APIs to perform them.
Key to symbols
==============
=============== =============================================================
S Start condition
P Stop condition... | Documentation/i2c/i2c-protocol.rst | null | null | null | null | null |
source | linux | ========
i2c-stub
========
Description
===========
This module is a very simple fake I2C/SMBus driver. It implements six
types of SMBus commands: write quick, (r/w) byte, (r/w) byte data, (r/w)
word data, (r/w) I2C block data, and (r/w) SMBus block data.
You need to provide chip addresses as a module parameter when... | Documentation/i2c/i2c-stub.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
===============
Linux I2C Sysfs
===============
Overview
========
I2C topology can be complex because of the existence of I2C MUX
(I2C Multiplexer). The Linux
kernel abstracts the MUX channels into logical I2C bus numbers. However, there
is a gap of knowledge to map from the I2C b... | Documentation/i2c/i2c-sysfs.rst | null | null | null | null | null |
source | linux | ================================
I2C muxes and complex topologies
================================
There are a couple of reasons for building more complex I2C topologies
than a straight-forward I2C bus with one adapter and one or more devices.
Some example use cases are:
1. A mux may be needed on the bus to prevent ... | Documentation/i2c/i2c-topology.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
===================
I2C/SMBus Subsystem
===================
Introduction
============
.. toctree::
:maxdepth: 1
summary
i2c-protocol
smbus-protocol
instantiating-devices
busses/index
i2c-topology
muxes/i2c-mux-gpio
i2c-sysfs
i2c-address-translators
... | Documentation/i2c/index.rst | null | null | null | null | null |
source | linux | ==============================
How to instantiate I2C devices
==============================
Unlike PCI or USB devices, I2C devices are not enumerated at the hardware
level. Instead, the software must know which devices are connected on each
I2C bus segment, and what address these devices are using. For this
reason, t... | Documentation/i2c/instantiating-devices.rst | null | null | null | null | null |
source | linux | ================================================================
I2C device driver binding control from user-space in old kernels
================================================================
.. NOTE::
Note: this section is only relevant if you are handling some old code
found in kernel 2.6. If you work with ... | Documentation/i2c/old-module-parameters.rst | null | null | null | null | null |
source | linux | ==============================
Linux I2C slave EEPROM backend
==============================
by Wolfram Sang <wsa@sang-engineering.com> in 2014-20
This backend simulates an EEPROM on the connected I2C bus. Its memory contents
can be accessed from userspace via this file located in sysfs::
/sys/bus/i2c/devices/<devi... | Documentation/i2c/slave-eeprom-backend.rst | null | null | null | null | null |
source | linux | =====================================
Linux I2C slave interface description
=====================================
by Wolfram Sang <wsa@sang-engineering.com> in 2014-15
Linux can also be an I2C slave if the I2C controller in use has slave
functionality. For that to work, one needs slave support in the bus driver plus
... | Documentation/i2c/slave-interface.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
================================
Linux I2C slave testunit backend
================================
by Wolfram Sang <wsa@sang-engineering.com> in 2020
This backend can be used to trigger test cases for I2C bus masters which
require a remote device with certain capabilities (and whi... | Documentation/i2c/slave-testunit-backend.rst | null | null | null | null | null |
source | linux | ==================
The SMBus Protocol
==================
The following is a summary of the SMBus protocol. It applies to
all revisions of the protocol (1.0, 1.1, and 2.0).
Certain protocol features which are not supported by
this package are briefly described at the end of this document.
Some adapters understand only... | Documentation/i2c/smbus-protocol.rst | null | null | null | null | null |
source | linux | =============================
Introduction to I2C and SMBus
=============================
I²C (pronounce: I squared C and written I2C in the kernel documentation) is
a protocol developed by Philips. It is a two-wire protocol with variable
speed (typically up to 400 kHz, high speed modes up to 5 MHz). It provides
an in... | Documentation/i2c/summary.rst | null | null | null | null | null |
source | linux | =====================
I2C Ten-bit Addresses
=====================
The I2C protocol knows about two kinds of device addresses: normal 7 bit
addresses, and an extended set of 10 bit addresses. The sets of addresses
do not intersect: the 7 bit address 0x10 is not the same as the 10 bit
address 0x10 (though a single devic... | Documentation/i2c/ten-bit-addresses.rst | null | null | null | null | null |
source | linux | ===============================
Implementing I2C device drivers
===============================
This is a small guide for those who want to write kernel drivers for I2C
or SMBus devices, using Linux as the protocol host/master (not slave).
To set up a driver, you need to do several things. Some are optional, and
some... | Documentation/i2c/writing-clients.rst | null | null | null | null | null |
source | linux | =========================
Kernel driver i2c-ali1535
=========================
Supported adapters:
* Acer Labs, Inc. ALI 1535 (south bridge)
Datasheet: Now under NDA
http://www.ali.com.tw/
Authors:
- Frodo Looijaard <frodol@dds.nl>,
- Philip Edelbrock <phil@netroedge.com>,
- Mark D. Studebaker <mdsxyz123@ya... | Documentation/i2c/busses/i2c-ali1535.rst | null | null | null | null | null |
source | linux | =========================
Kernel driver i2c-ali1563
=========================
Supported adapters:
* Acer Labs, Inc. ALI 1563 (south bridge)
Datasheet: Now under NDA
http://www.ali.com.tw/
Author: Patrick Mochel <mochel@digitalimplant.org>
Description
-----------
This is the driver for the SMB Host controlle... | Documentation/i2c/busses/i2c-ali1563.rst | null | null | null | null | null |
source | linux | =========================
Kernel driver i2c-ali15x3
=========================
Supported adapters:
* Acer Labs, Inc. ALI 1533 and 1543C (south bridge)
Datasheet: Now under NDA
http://www.ali.com.tw/
Authors:
- Frodo Looijaard <frodol@dds.nl>,
- Philip Edelbrock <phil@netroedge.com>,
- Mark D. Studebaker <md... | Documentation/i2c/busses/i2c-ali15x3.rst | null | null | null | null | null |
source | linux | =========================
Kernel driver i2c-amd-mp2
=========================
Supported adapters:
* AMD MP2 PCIe interface
Datasheet: not publicly available.
Authors:
- Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
- Nehal Shah <nehal-bakulchandra.shah@amd.com>
- Elie Morisse <syniurge@gmail.com>
Description
---... | Documentation/i2c/busses/i2c-amd-mp2.rst | null | null | null | null | null |
source | linux | ========================
Kernel driver i2c-amd756
========================
Supported adapters:
* AMD 756
* AMD 766
* AMD 768
* AMD 8111
Datasheets: Publicly available on AMD website
* nVidia nForce
Datasheet: Unavailable
Authors:
- Frodo Looijaard <frodol@dds.nl>,
- Philip Edelbrock <phil@netro... | Documentation/i2c/busses/i2c-amd756.rst | null | null | null | null | null |
source | linux | =========================
Kernel driver i2c-adm8111
=========================
Supported adapters:
* AMD-8111 SMBus 2.0 PCI interface
Datasheets:
AMD datasheet not yet available, but almost everything can be found
in the publicly available ACPI 2.0 specification, which the adapter
follows.
Author: Vojtech Pavl... | Documentation/i2c/busses/i2c-amd8111.rst | null | null | null | null | null |
source | linux | ============================
Kernel driver i2c-diolan-u2c
============================
Supported adapters:
* Diolan U2C-12 I2C-USB adapter
Documentation:
http://www.diolan.com/i2c/u2c12.html
Author: Guenter Roeck <linux@roeck-us.net>
Description
-----------
This is the driver for the Diolan U2C-12 USB-I2C a... | Documentation/i2c/busses/i2c-diolan-u2c.rst | null | null | null | null | null |
source | linux | ======================
Kernel driver i2c-i801
======================
Supported adapters:
* Intel 82801AA and 82801AB (ICH and ICH0 - part of the
'810' and '810E' chipsets)
* Intel 82801BA (ICH2 - part of the '815E' chipset)
* Intel 82801CA/CAM (ICH3)
* Intel 82801DB (ICH4) (HW PEC supported)
* Intel 828... | Documentation/i2c/busses/i2c-i801.rst | null | null | null | null | null |
source | linux | ======================
Kernel driver i2c-ismt
======================
Supported adapters:
* Intel S12xx series SOCs
Authors:
Bill Brown <bill.e.brown@intel.com>
Module Parameters
-----------------
* bus_speed (unsigned int)
Allows changing of the bus speed. Normally, the bus speed is set by the BIOS
and never... | Documentation/i2c/busses/i2c-ismt.rst | null | null | null | null | null |
source | linux | ==================
Driver i2c-mlxcpld
==================
Author: Michael Shych <michaelsh@mellanox.com>
This is the Mellanox I2C controller logic, implemented in Lattice CPLD
device.
Device supports:
- Master mode.
- One physical bus.
- Polling mode.
This controller is equipped within the next Mellanox systems:
... | Documentation/i2c/busses/i2c-mlxcpld.rst | null | null | null | null | null |
source | linux | =========================
Kernel driver i2c-nforce2
=========================
Supported adapters:
* nForce2 MCP 10de:0064
* nForce2 Ultra 400 MCP 10de:0084
* nForce3 Pro150 MCP 10de:00D4
* nForce3 250Gb MCP 10de:00E4
* nForce4 MCP 10de:0052
* nForce4 MCP-... | Documentation/i2c/busses/i2c-nforce2.rst | null | null | null | null | null |
source | linux | ============================
Kernel driver i2c-nvidia-gpu
============================
Datasheet: not publicly available.
Authors:
Ajay Gupta <ajayg@nvidia.com>
Description
-----------
i2c-nvidia-gpu is a driver for I2C controller included in NVIDIA Turing
and later GPUs and it is used to communicate with Type-C c... | Documentation/i2c/busses/i2c-nvidia-gpu.rst | null | null | null | null | null |
source | linux | ========================
Kernel driver i2c-ocores
========================
Supported adapters:
* OpenCores.org I2C controller by Richard Herveille (see datasheet link)
https://opencores.org/project/i2c/overview
Author: Peter Korsgaard <peter@korsgaard.com>
Description
-----------
i2c-ocores is an i2c bus driv... | Documentation/i2c/busses/i2c-ocores.rst | null | null | null | null | null |
source | linux | =========================
Kernel driver i2c-parport
=========================
Author: Jean Delvare <jdelvare@suse.de>
This is a unified driver for several i2c-over-parallel-port adapters,
such as the ones made by Philips, Velleman or ELV. This driver is
meant as a replacement for the older, individual drivers:
* i2... | Documentation/i2c/busses/i2c-parport.rst | null | null | null | null | null |
source | linux | =========================
Kernel driver i2c-pca-isa
=========================
Supported adapters:
This driver supports ISA boards using the Philips PCA 9564
Parallel bus to I2C bus controller
Author: Ian Campbell <icampbell@arcom.com>, Arcom Control Systems
Module Parameters
-----------------
* base int
I/O ba... | Documentation/i2c/busses/i2c-pca-isa.rst | null | null | null | null | null |
source | linux | =======================
Kernel driver i2c-piix4
=======================
Supported adapters:
* Intel 82371AB PIIX4 and PIIX4E
* Intel 82443MX (440MX)
Datasheet: Publicly available at the Intel website
* ServerWorks OSB4, CSB5, CSB6, HT-1000 and HT-1100 southbridges
Datasheet: Only available via NDA from S... | Documentation/i2c/busses/i2c-piix4.rst | null | null | null | null | null |
source | linux | =========================
Kernel driver i2c-sis5595
=========================
Authors:
- Frodo Looijaard <frodol@dds.nl>,
- Mark D. Studebaker <mdsxyz123@yahoo.com>,
- Philip Edelbrock <phil@netroedge.com>
Supported adapters:
* Silicon Integrated Systems Corp. SiS5595 Southbridge
Datasheet: Publicly a... | Documentation/i2c/busses/i2c-sis5595.rst | null | null | null | null | null |
source | linux | ========================
Kernel driver i2c-sis630
========================
Supported adapters:
* Silicon Integrated Systems Corp (SiS)
630 chipset (Datasheet: available at http://www.sfr-fresh.com/linux)
730 chipset
964 chipset
* Possible other SiS chipsets ?
Author:
- Alexander Malysh <amalysh@web.de>... | Documentation/i2c/busses/i2c-sis630.rst | null | null | null | null | null |
source | linux | ========================
Kernel driver i2c-sis96x
========================
Replaces 2.4.x i2c-sis645
Supported adapters:
* Silicon Integrated Systems Corp (SiS)
Any combination of these host bridges:
645, 645DX (aka 646), 648, 650, 651, 655, 735, 745, 746
and these south bridges:
961, 962, 963(L)
Auth... | Documentation/i2c/busses/i2c-sis96x.rst | null | null | null | null | null |
source | linux | ==========================
Kernel driver i2c-taos-evm
==========================
Author: Jean Delvare <jdelvare@suse.de>
This is a driver for the evaluation modules for TAOS I2C/SMBus chips.
The modules include an SMBus master with limited capabilities, which can
be controlled over the serial port. Virtually all eval... | Documentation/i2c/busses/i2c-taos-evm.rst | null | null | null | null | null |
source | linux | =====================
Kernel driver i2c-via
=====================
Supported adapters:
* VIA Technologies, InC. VT82C586B
Datasheet: Publicly available at the VIA website
Author: Kyösti Mälkki <kmalkki@cc.hut.fi>
Description
-----------
i2c-via is an i2c bus driver for motherboards with VIA chipset.
The follo... | Documentation/i2c/busses/i2c-via.rst | null | null | null | null | null |
source | linux | ========================
Kernel driver i2c-viapro
========================
Supported adapters:
* VIA Technologies, Inc. VT82C596A/B
Datasheet: Sometimes available at the VIA website
* VIA Technologies, Inc. VT82C686A/B
Datasheet: Sometimes available at the VIA website
* VIA Technologies, Inc. VT8231, V... | Documentation/i2c/busses/i2c-viapro.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
===============
I2C Bus Drivers
===============
.. toctree::
:maxdepth: 1
i2c-ali1535
i2c-ali1563
i2c-ali15x3
i2c-amd756
i2c-amd8111
i2c-amd-mp2
i2c-diolan-u2c
i2c-i801
i2c-ismt
i2c-mlxcpld
i2c-nforce2
i2c-nvidia-gpu
i2c-ocores
i2c-parp... | Documentation/i2c/busses/index.rst | null | null | null | null | null |
source | linux | ========================
Kernel driver scx200_acb
========================
Author: Christer Weinigel <wingel@nano-system.com>
The driver supersedes the older, never merged driver named i2c-nscacb.
Module Parameters
-----------------
* base: up to 4 ints
Base addresses for the ACCESS.bus controllers on SCx200 and ... | Documentation/i2c/busses/scx200_acb.rst | null | null | null | null | null |
source | linux | ==========================
Kernel driver i2c-mux-gpio
==========================
Author: Peter Korsgaard <peter.korsgaard@barco.com>
Description
-----------
i2c-mux-gpio is an i2c mux driver providing access to I2C bus segments
from a master I2C bus and a hardware MUX controlled through GPIO pins.
E.G.::
-------... | Documentation/i2c/muxes/i2c-mux-gpio.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0-only
==============
AD3552R driver
==============
Device driver for Analog Devices Inc. AD35XXR series of DACs. The module name
is ``ad3552r``.
With the same module name, two different driver variants are available, the
``generic spi`` variant, to be used with any classic SPI contr... | Documentation/iio/ad3552r.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0-only
=============
AD4000 driver
=============
Device driver for Analog Devices Inc. AD4000 series of ADCs and similar devices.
Supported devices
=================
* `AD4000 <https://www.analog.com/AD4000>`_
* `AD4001 <https://www.analog.com/AD4001>`_
* `AD4002 <https://www.analo... | Documentation/iio/ad4000.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0-only
=============
AD4030 driver
=============
ADC driver for Analog Devices Inc. AD4030 and similar devices. The module name
is ``ad4030``.
Supported devices
=================
The following chips are supported by this driver:
* `AD4030-24 <https://www.analog.com/AD4030-24>`_
*... | Documentation/iio/ad4030.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0-only
=============
AD4062 driver
=============
ADC driver for Analog Devices Inc. AD4060/AD4062 devices. The module name is
``ad4062``.
Supported devices
=================
The following chips are supported by this driver:
* `AD4060 <https://www.analog.com/AD4060>`_
* `AD4062 <ht... | Documentation/iio/ad4062.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0-only
=============
AD4695 driver
=============
ADC driver for Analog Devices Inc. AD4695 and similar devices. The module name
is ``ad4695``.
Supported devices
=================
The following chips are supported by this driver:
* `AD4695 <https://www.analog.com/AD4695>`_
* `AD46... | Documentation/iio/ad4695.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0-only
=============
AD7191 driver
=============
Device driver for Analog Devices AD7191 ADC.
Supported devices
=================
* `AD7191 <https://www.analog.com/AD7191>`_
The AD7191 is a high precision, low noise, 24-bit Σ-Δ ADC with integrated PGA.
It features two differential... | Documentation/iio/ad7191.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0-only
=============
AD7380 driver
=============
ADC driver for Analog Devices Inc. AD7380 and similar devices. The module name
is ``ad7380``.
Supported devices
=================
The following chips are supported by this driver:
* `AD7380 <https://www.analog.com/en/products/ad738... | Documentation/iio/ad7380.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0-only
=============
AD7606 driver
=============
ADC driver for Analog Devices Inc. AD7606 and similar devices. The module name
is ``ad7606``.
Supported devices
=================
The following chips are supported by this driver:
* `AD7605 <https://www.analog.com/en/products/ad7605... | Documentation/iio/ad7606.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0-only
====================
AD7625 driver
====================
ADC driver for Analog Devices Inc. AD7625, AD7626, AD7960, and AD7961
devices. The module name is ``ad7625``.
Supported devices
=================
The following chips are supported by this driver:
* `AD7625 <https://www... | Documentation/iio/ad7625.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0-only
=============
AD7944 driver
=============
ADC driver for Analog Devices Inc. AD7944 and similar devices. The module name
is ``ad7944``.
Supported devices
=================
The following chips are supported by this driver:
* `AD7944 <https://www.analog.com/AD7944>`_
* `AD79... | Documentation/iio/ad7944.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
===============
ADE9000 driver
===============
This driver supports Analog Device's ADE9000 energy measurement IC on SPI bus.
1. Supported devices
====================
* `ADE9000 <https://www.analog.com/media/en/technical-documentation/data-sheets/ADE9000.pdf>`_
The ADE9000 is a... | Documentation/iio/ade9000.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
================
ADIS16475 driver
================
This driver supports Analog Device's IMUs on SPI bus.
1. Supported devices
====================
* `ADIS16465 <https://www.analog.com/ADIS16465>`_
* `ADIS16467 <https://www.analog.com/ADIS16467>`_
* `ADIS16470 <https://www.analog.... | Documentation/iio/adis16475.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
================
ADIS16480 driver
================
This driver supports Analog Device's IMUs on SPI bus.
1. Supported devices
====================
* `ADIS16375 <https://www.analog.com/ADIS16375>`_
* `ADIS16480 <https://www.analog.com/ADIS16480>`_
* `ADIS16485 <https://www.analog.... | Documentation/iio/adis16480.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
================
ADIS16550 driver
================
This driver supports Analog Device's IMUs on SPI bus.
1. Supported devices
====================
* `ADIS16550 <https://www.analog.com/ADIS16550>`_
The ADIS16550 is a complete inertial system that includes a triaxis gyroscope
and ... | Documentation/iio/adis16550.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
===============
ADXL313 driver
===============
This driver supports Analog Device's ADXL313 on SPI/I2C bus.
1. Supported devices
====================
* `ADXL313 <https://www.analog.com/ADXL313>`_
The ADXL313is a low noise density, low power, 3-axis accelerometer with
selectable ... | Documentation/iio/adxl313.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
===============
ADXL345 driver
===============
This driver supports Analog Device's ADXL345/375 on SPI/I2C bus.
1. Supported Devices
====================
* `ADXL345 <https://www.analog.com/ADXL345>`_
* `ADXL375 <https://www.analog.com/ADXL375>`_
The ADXL345 is a generic purpose ... | Documentation/iio/adxl345.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
===============
ADXL380 driver
===============
This driver supports Analog Device's ADXL380/382 on SPI/I2C bus.
1. Supported devices
====================
* `ADXL380 <https://www.analog.com/ADXL380>`_
* `ADXL382 <https://www.analog.com/ADXL382>`_
The ADXL380/ADXL382 is a low nois... | Documentation/iio/adxl380.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
==============================
BNO055 driver
==============================
1. Overview
===========
This driver supports Bosch BNO055 IMUs (on both serial and I2C busses).
Accelerometer, magnetometer and gyroscope measurements are always available.
When "fusion_enable" sysfs attr... | Documentation/iio/bno055.rst | null | null | null | null | null |
source | linux | ==============================
Cirrus Logic EP93xx ADC driver
==============================
1. Overview
===========
The driver is intended to work on both low-end (EP9301, EP9302) devices with
5-channel ADC and high-end (EP9307, EP9312, EP9315) devices with 10-channel
touchscreen/ADC module.
2. Channel numbering
==... | Documentation/iio/ep93xx_adc.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0-only
=========================
IIO Abstractions for ADCs
=========================
1. Overview
===========
The IIO subsystem supports many Analog to Digital Converters (ADCs). Some ADCs
have features and characteristics that are supported in specific ways by IIO
device drivers. Th... | Documentation/iio/iio_adc.rst | null | null | null | null | null |
source | linux | ===============================
Industrial IIO configfs support
===============================
1. Overview
===========
Configfs is a filesystem-based manager of kernel objects. IIO uses some
objects that could be easily configured using configfs (e.g.: devices,
triggers).
See Documentation/filesystems/configfs.rst ... | Documentation/iio/iio_configfs.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
=============================
Industrial IIO device buffers
=============================
1. Overview
===========
The Industrial I/O core offers a way for continuous data capture based on a
trigger source. Multiple data channels can be read at once from
``/dev/iio:deviceX`` charac... | Documentation/iio/iio_devbuf.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
===================================
High-speed DMABUF interface for IIO
===================================
1. Overview
===========
The Industrial I/O subsystem supports access to buffers through a
file-based interface, with read() and write() access calls through the
IIO device's... | Documentation/iio/iio_dmabuf_api.rst | null | null | null | null | null |
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