Difference between revisions of "Kernel sub-systems"

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(USB)
(GPIO)
Line 119: Line 119:
 
= '''GPIO''' =
 
= '''GPIO''' =
 
== PinControl and GPIO Update. ==
 
== PinControl and GPIO Update. ==
'''Presenter:''' Linus Walleij, ST-Ericsson<br>
+
'''Presenter:''' Linus Walleij, ST-Ericsson <br>
 
'''Summary:'''
 
'''Summary:'''
This presentation provides information about GPIO subsystem, pin control subsystem and GPIO subsystem drivers interface. <br>
+
The session talks about information about GPIO sub-system, <br>
 +
pin control subsystem and GPIO subsystem drivers interface. <br>
  
* [[https://elinux.org/images/c/cd/Pincontrol-gpio-update.pdf | [PDF]] [[https://youtu.be/z4EkzJDGxFo | [VIDEO] ]] ELC 2013.
+
* [https://elinux.org/images/c/cd/Pincontrol-gpio-update.pdf PDF] | [https://youtu.be/z4EkzJDGxFo VIDEO] ELC 2013
  
 
== Pin Control Subsystem Overview.==
 
== Pin Control Subsystem Overview.==
'''Presenter:''' Linus Walleij, ST-Ericsson. <br>
+
'''Presenter:''' Linus Walleij, ST-Ericsson  <br>
 
'''Summary:'''
 
'''Summary:'''
This presentation provides information about pin configuration subsystem interface and GPIO formation. <br>
+
The session covers information about pin configuration <br>
 +
sub-system interface and GPIO formation. <br>
  
* [[https://elinux.org/images/b/b6/Pin_Control_Subsystem_Overview.pdf| [PDF]]  ELC 2012.
+
* [https://elinux.org/images/b/b6/Pin_Control_Subsystem_Overview.pdf PDF]  ELC 2012

Revision as of 02:06, 2 September 2020

I2C

I + I2C = I3C: What's in this Addition 'I'?

Presenter: Boris Brezillion, Bootlin
Summary: This presentation provides information about the new features exposed by the I3C
protocol in Linux and future possible improvements of I3C framework.

Tutorial:I2C Hacking Demystified.

Presenter: Igor Stoppa, OpenSource Technology Center, Intel
Summary: The slides provide information to create and operate a custom I2C
peripheral as well as debugging tools for interaction between the two devices.

Board Bringup: You, Me, and I2C

Presenter: David Anders, Texas Instruments
Summary: The session talks about the communication principles,
drivers and software tools and also about board bringup use cases on I2C.

SPI

Groking the Linux SPI Subsystem

Presenter: Matt Porter, Konsulko
Summary: This presentation provides the information about SPI framework,
features of the SPI subsystem, which used to satisfy hardware and
performance requirements in an embedded Linux system.

What's Going on with SPI

Presenter: Mark Brown, Linaro
Summary: This presentation provides status of the
SPI subsystem in Linux kernel and methods to optimally
use the SPI hardware by minimizing delays and CPU utilization

Passing Time With SPI Framebuffer Driver

Presenter: Matt Porter, Texas Instruments
Summary: The talk covers details on registering the SPI device and
drivers as well as debugging tools for SPI.

USB

Modern USB.

Presenter: Andrzej Pietrasiewicz, Collabora
Summary: This presentation provides information about important use-cases
like gadget creation device boot time, etc.. and provides details
on USB functions implementation.

USB Protocol introduction.

Presenter: Krzysztof Opasiak, Samsung R&D Institute Poland.
Summary: The session talks about open source/hardware tools and tools for USB traffic modification.

Debugging Usually Slightly Broken (USB) Devices and Drivers.

Presenter: Krzysztof Opasiak, Samsung R&D Institute Poland.
Summary: The presentation provides information about USB protocol,
standard Linux host side infrastructure and analyzes USB
traffic without expensive USB analyzers.

Understand USB (in Linux).

Presenter: Krzysztof Opasiak
Summary: The slides talk about the USB protocol, implementation
in Linux and basics of USB host implementation.

USB and the Real World.

Presenter: Alan Ott, Signal 11 Software.
Summary: This presentation provides information about Linux USB
Gadget Interface and USB speed, USB Standards and hardware.

Kernel USB Gadget Configfs Interface.

Presenter: Matt Porter, Linaro.
Summary: The talk covers information about the Linux USB terminology,
brief history of USB gadget subsystem and usage of USB gadget configfs.

Useful USB Gadgets on Linux.

Presenter: Gary Bisson, Adeneo Embedded.
Summary: This presentation provides information about USB gadget API,
covers ways to design your own gadget and all basics of USB.

Enhancements to USB Gadget Framework.

Presenter: Conrad Roeber.
Summary: The topics covered in this presentation include USB architecture,
creation of USB gadgets and comparison of gadget API and Linux-USB API.

GPIO

PinControl and GPIO Update.

Presenter: Linus Walleij, ST-Ericsson
Summary: The session talks about information about GPIO sub-system,
pin control subsystem and GPIO subsystem drivers interface.

Pin Control Subsystem Overview.

Presenter: Linus Walleij, ST-Ericsson
Summary: The session covers information about pin configuration
sub-system interface and GPIO formation.