On Tue, Apr 19, 2016 at 09:40:49AM +0200, Olliver Schinagl wrote: > When leds are connected in a totem-pole configuration, they can be > connected either in a active-high, or active-low manor. The driver > currently always assumes active-high. This patch adds the > 'nxp,inverted-out' boolean property to tell the driver that the leds > are driven active-low, or rather, that the behavior is inverted to what > is normally expected. How do I know what is normally expected? > Signed-off-by: Olliver Schinagl <oliver@xxxxxxxxxxx> > --- > Documentation/devicetree/bindings/leds/pca963x.txt | 1 + > drivers/leds/leds-pca963x.c | 20 +++++++++++++------- > include/linux/platform_data/leds-pca963x.h | 1 + > 3 files changed, 15 insertions(+), 7 deletions(-) > > diff --git a/Documentation/devicetree/bindings/leds/pca963x.txt b/Documentation/devicetree/bindings/leds/pca963x.txt > index dafbe99..7b23725 100644 > --- a/Documentation/devicetree/bindings/leds/pca963x.txt > +++ b/Documentation/devicetree/bindings/leds/pca963x.txt > @@ -6,6 +6,7 @@ Required properties: > Optional properties: > - nxp,totem-pole : use totem pole (push-pull) instead of open-drain (pca9632 defaults > to open-drain, newer chips to totem pole) > + nxp,inverted-out: the connected leds are active-low, default to active-high Just state what mode you want: nxp,active-low Rob -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
