On Thu, Sep 20, 2018 at 10:47:47PM +0200, Ricardo Ribalda Delgado wrote: > Document new enable-gpio field. It can be used to disable the part
enable-gpios > without turning down its regulator. > > Cc: devicet...@vger.kernel.org > Signed-off-by: Ricardo Ribalda Delgado <ricardo.riba...@gmail.com> > Acked-by: Pavel Machek <pa...@ucw.cz> > --- > Documentation/devicetree/bindings/media/i2c/ad5820.txt | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/Documentation/devicetree/bindings/media/i2c/ad5820.txt > b/Documentation/devicetree/bindings/media/i2c/ad5820.txt > index 5940ca11c021..9ccd96d3d5f0 100644 > --- a/Documentation/devicetree/bindings/media/i2c/ad5820.txt > +++ b/Documentation/devicetree/bindings/media/i2c/ad5820.txt > @@ -8,6 +8,12 @@ Required Properties: > > - VANA-supply: supply of voltage for VANA pin > > +Optional properties: > + > + - enable-gpios : GPIO spec for the XSHUTDOWN pin. Note that the polarity > of > +the enable GPIO is the opposite of the XSHUTDOWN pin (asserting the enable > +GPIO deasserts the XSHUTDOWN signal and vice versa). shutdown-gpios is also standard and seems like it would make more sense here. Yes, it is a bit redundant to have both, but things just evolved that way and we don't want to totally abandon the hardware names (just all the variants). Rob
