Hello Paul, On 10/06/2014 10:56, Paul Carpenter wrote: > Wolfram Sang wrote: >> On Tue, Jun 03, 2014 at 10:49:52AM +0200, Boris BREZILLON wrote: >>> The P2WI looks like an SMBus controller which only supports byte data >>> transfers. But, it differs from standard SMBus protocol on several >>> aspects: >>> - it supports only one slave device, and thus drop the address field >>> - it adds a parity bit every 8bits of data >>> - only one read access is required to read a byte (instead of a read >>> followed by a write access in standard SMBus protocol) > > Minor quibble should be > "(instead of a write followed by a read access in standard SMBus > protocol)" > Fixed. Thanks for pointing this out. Best Regards, Boris -- Boris Brezillon, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html