Messages in this thread | | | Date | Wed, 12 Feb 2014 18:21:48 +0000 | From | Mark Brown <> | Subject | Re: [PATCH v2 3/3] Documentation: mfd: Add binding document for S2MPA01 |
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On Wed, Feb 12, 2014 at 06:10:43PM +0000, Mark Rutland wrote: > On Thu, Jan 09, 2014 at 11:22:34AM +0000, Sachin Kamat wrote:
> > +Required properties: > > +- compatible: Should be "samsung,s2mpa01-pmic". > > +- reg: Specifies the I2C slave address of the PMIC block. It should be 0x66.
> Is the slave address not per-instance in I2C? If not why must is be 0x66?
I2C devices tend to have a very limited selection of addresses they can support, a small number selected by pin strapping is common but a single fixed address is also common. Each device on the bus will have a unique address but there may not be any selectability. [unhandled content-type:application/pgp-signature] | |