On Wednesday 12 June 2013, Maxime Ripard wrote: > The Marvell and Allwinner controllers share the exact same logic (which > is definitely not trivial), based on a finite state machine that > triggers interrupts at each change of state, each state being a state in > the I2C protocol (like address sent, data received with an ACK, etc.). > > The weird thing is that the only difference between the two controllers > is the register offsets, and that's it. The state numbers, bit index, > etc, are exactly the same. Ok, cool. Great someone noticed! > So yes, I think they both licensed the same IP. I wonder if it's the Mentor Graphics Inventra mi2c block, which would make sense given that Allwinner also uses musb. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html