On 18 July 2015 00:48, Alexandre Belloni wrote:
> On 09/07/2015 at 08:45:54 +0100, S Twiss wrote :
> > From: S Twiss <stwiss.opensource@xxxxxxxxxxx>
> >
> > Add device tree bindings for the DA9062 RTC driver component
> >
> > Signed-off-by: Steve Twiss <stwiss.opensource@xxxxxxxxxxx>
[...]
> > +- rtc : This node defines settings required for the Real-Time Clock associated
> > + with the DA9062. There are currently no entries in this binding, however
> > + compatible = "dlg,da9062-rtc" should be added if a node is created.
[...]
> > @@ -55,6 +60,10 @@ Example:
> > interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
> > interrupt-controller;
> >
> > + rtc {
> > + compatible = "dlg,da9062-rtc";
> > + };
> > +
>
> Are those subnodes even parsed? As the parent node is not compatible
> with "simple-bus" or "simple-mfd", I guess not. You driver is probed
> from the mfd_cells in da9063-core.c
Hi Alexandre,
If I miss out the compatible line for the RTC in the DTSI for DA9062, or is I alter it
so it does not match the string specified in the DA9063 RTC driver, the DA9063 RTC
driver will not be probed for the DA9062 compatibility.
The RTC compatible = "dlg,da9062-rtc" is essential in this case.
[...]
Regards,
Stephen
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