Jean Delvare said the following: > On Wed, 13 Apr 2011 08:13:54 +0200, Michael Lawnick wrote: >> I would expect a >> #> echo "<deviceName> 0x70" > /sys/bus/i2c/devices/i2c-0/new_device >> to span new buses, their numbers taken by random, even without platform >> data (not tried by myself yet, but will have to do it soon). > > Hmm, you're right, my memory that we has made platform data mandatory > was wrong, sorry. > >> The challenge will be to detect which of the 8 supported devices ( >> pca_9540, pca_9542, pca_9543, pca_9544, pca_9545, pca_9546, pca_9547, >> pca_9548) is actually to be used. > > In Michael's case it is irrelevant anyway, as the information he found > meanwhile clearly indicates that bus multiplexing is achieved by GPIOs > (most certainly on the ICH10) and not an PCA954x chip. The chip at 0x70 > is probably the Intel 5500 IOH. > Well, if he implements a multiplexer code for it, he is done :-) -- KR Michael -- 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
