On Mon, Oct 24, 2011 at 02:43:58PM +0530, Rajendra Nayak wrote:
> Case 2:
> One device for all regulators:
>
> DT nodes look something like this
>
> regulators {
> reg1: reg@1 {
> ...
> ...
> };
>
> reg2: reg@2 {
> ...
> ...
> };
> };
>
> The regulator driver probes only one device and the dev->of_node
> points to the "regulators" node above.
The mc13892 example I put in the reply to Grant demonstrates that
for some case, dev->of_node is NULL (devices are created by mfd core).
> The regulator driver then based on compatible property extracts
> and registers all the child nodes of "regulators" (for ex: reg1, reg2
> above) with each call to regulator_register and passes the child nodes
> as of_node to be associated with the regulator device.
>
I still think the discovery of all the child nodes of "regulators" does
not necessarily need to be done in regulator driver. Instead, it can
be done in regulator core.
--
Regards,
Shawn
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