i2c on Pi3?

Karl Denninger karl at denninger.net
Thu Mar 23 17:35:12 UTC 2017


On 3/23/2017 12:34, John Howie wrote:

> Hi Karl,
>
> I can only speak to the Raspberry Pi 2 kernel, but I2C is supported. For an example how to use it from userland, check out a project I posted on github eighteen months ago, that was for the PiFace RTC.
>
> https://github.com/jhowie/FreeBSDPiFaceRTC
>
> There are useful routines I created for working with devices on the I2C bus, which you are free to use. They are not RPI2-specific, so they should work on other boards. 
>
> Regards,
>
> John
>
>
> On 3/23/17, 10:03 AM, "Karl Denninger" <owner-freebsd-arm at freebsd.org on behalf of karl at denninger.net> wrote:
>
>     The Wiki shows it identifying, but I can't find a reference to a driver
>     in the arm64 declarations, and a -CURRENT build just now doesn't find it.
>     
>     Simple omission in the kernel config or something more?
>     
>     -- 
>     Karl Denninger
>     karl at denninger.net <mailto:karl at denninger.net>
>     /The Market Ticker/
>     /[S/MIME encrypted email preferred]/
>     
>
It works on the Pi2; I am using it in production.

The driver appears to be /missing /in the Pi3 kernel.

-- 
Karl Denninger
karl at denninger.net <mailto:karl at denninger.net>
/The Market Ticker/
/[S/MIME encrypted email preferred]/
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