Re: [PATCH RFC 5/5] dt-bindings: gnss: add lna-supply property

[Andreas Kemnade]

On Wed, 5 Dec 2018 16:09:39 +0100
Johan Hovold <johan@xxxxxxxxxx> wrote:

> On Sun, Nov 18, 2018 at 10:58:01PM +0100, Andreas Kemnade wrote:
> > Add lna-supply property.
> > 
> > Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
> > ---
> >  Documentation/devicetree/bindings/gnss/sirfstar.txt | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/gnss/sirfstar.txt b/Documentation/devicetree/bindings/gnss/sirfstar.txt
> > index 1be7597ae884..9614774d14bc 100644
> > --- a/Documentation/devicetree/bindings/gnss/sirfstar.txt
> > +++ b/Documentation/devicetree/bindings/gnss/sirfstar.txt
> > @@ -30,6 +30,7 @@ Optional properties:
> >  - sirf,wakeup-gpios	: GPIO used to determine device power state
> >  			  (pin name: RFPWRUP, WAKEUP)
> >  - timepulse-gpios	: Time pulse GPIO (pin name: 1PPS, TM)
> > +- lna-supply		: Separate supply for a LNA  
> 
> "Supply for external LNA"?
> 
"External" might be misleading:
- not part of the gps chip itself: yes
- but might also be inside of the device.

In case of the GTA04 this includes power supply for an antenna switch
(operates by plug detection) + internal or external antenna.

Regards,
Andreas

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