Basic I2C Driver for Beginners

[jeshu]

Hello :),

I am currently working on I2C in my beaglebone black. And I accessed my I2C device (EEPROM) through I2C utilities (I2Cget and I2Cset) and /dev interface. Now I want to learn how to write a kernel driver for my I2C client.

Can anyone please share good tutorial ? Links ? or Simple I2C driver ? to understand the concepts.

Thanks :)

[Jason Stapels]

You can start with the basic kernel driver docs and go from there:

https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/tree/Documentation/i2c/dev-interface

[Micka]

Or or, u should watch this awesome tutorial :

http://www.youtube.com/watch?v=8C2zk6B-eLU

Micka,

On Wed, May 29, 2013 at 2:42 AM, <elizab...@gmail.com> wrote:

Or, start with/use an i2c eeprom driver, like used for the cape eeprom interface.

I don't have access to my BB kernel source right now, but it most likely looks something like this: http://lxr.free-electrons.com/source/drivers/i2c/chips/eeprom.c?v=2.6.28;a=arm 

On Tuesday, May 28, 2013 1:51:36 PM UTC-7, Jason Stapels wrote:

You can start with the basic kernel driver docs and go from there:

https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/tree/Documentation/i2c/dev-interface

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