fpga driver on custom PPC target platform (P4080) ...
Robert Sciuk
robert.sciuk at exfo.com
Sat Nov 5 05:19:36 EST 2011
> >
> > I *believe* you are not supposed to create separate nodes for reading
> > and writing. I know that's how I2C works, but I think the I2C layer
> > takes care of that for you.
> >
> > If you look at other device trees, you'll see they only have one node
> > for any particular I2C device.
> >
> > --
> > Timur Tabi
> > Linux kernel developer at Freescale
>
>
> Thanks, Timur ... I've fixed the tree, and I'm tracking down the
> problems with addressing the nodes ...
Ah, my compatible attribute was wrong:
Compatible = "nxp,pca9539";
Should have been:
Compatible = "nxp,pca953x";
The tree now seems to bind the i2c gpio drivers properly ... on to the localbus mappings!
Rob.
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