Messages in this thread | | | From | Marc Dietrich <> | Subject | Re: [RFC 0/4] i2c: slave support framework for Linux devices | Date | Thu, 11 Sep 2014 14:06:06 +0200 |
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Hello Wolfram,
Am Dienstag, 9. September 2014, 16:54:26 schrieb Wolfram Sang: > Finally, here is my take on the often desired feature that Linux can not > only be an I2C master, but also an I2C slave. Compared to my draft sent out > last week, this RFC has been tested on hardware (Renesas Lager board) and > works \o/
first, thanks for taking up this job.
> One big part still missing is documentation, so brave ones need to "use the > source". However, this approach turned out to be even less intrusive than > expected, so that is hopefully a good sign. > > Basically, an I2C slave is a standard I2C client providing a callback > function. When registering as a slave, the connection to the I2C adapter is > made which uses the callback when a slave event happens. That splits the HW > support (enabling slave mode on the adapter) and SW support (here a generic > eeprom simulator) nicely IMO.
From what I can tell, this approach may also work with our driver (staging/nvec). I especially like the split between the adapter and the client support.
I only have one question so far regarding the device tree representation attached patch 4.
Marc
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