[RFC 4/4] ARM: shmobile: r8a7790: adapt DTS for I2C slave support
wsa at the-dreams.de
Thu Sep 11 07:54:22 PDT 2014
On Thu, Sep 11, 2014 at 04:52:22PM +0200, Marc Dietrich wrote:
> Am Donnerstag, 11. September 2014, 16:40:04 schrieb Wolfram Sang:
> > > b) could be seen as a configuration thing since the functionality
> > > backend could be changed at runtime even.
> > Come to think of it, not only the functionality, also the address can be
> > changed at runtime. This makes me think it should really not be in DT
> > after all.
> even worse, there can be multiple masters and slaves changing their role on
> the fly AFAIK. So the best dt can do is to provide an initial configuration,
> so all drivers know where they are and where to start. Everything else can be
> changed during runtime.
Why do you want DT to be involved at all?
-------------- next part --------------
A non-text attachment was scrubbed...
Size: 819 bytes
Desc: Digital signature
More information about the linux-arm-kernel