On Tue, Mar 12, 2019 at 05:43:11PM +0100, Jacek Anaszewski wrote: > On 3/11/19 6:24 PM, Jacek Anaszewski wrote: > > Dan, > > > > On 3/11/19 1:26 PM, Dan Murphy wrote: > > > On 3/10/19 1:28 PM, Jacek Anaszewski wrote: > > > > Introduce dedicated properties for conveying information about > > > > LED function and color. Mark old "label" property as deprecated. > > > > > > > > Signed-off-by: Jacek Anaszewski <jacek.anaszewski@xxxxxxxxx> > > > > Cc: Baolin Wang <baolin.wang@xxxxxxxxxx> > > > > Cc: Daniel Mack <daniel@xxxxxxxxxx> > > > > Cc: Dan Murphy <dmurphy@xxxxxx> > > > > Cc: Linus Walleij <linus.walleij@xxxxxxxxxx> > > > > Cc: Oleh Kravchenko <oleg@xxxxxxxxxx> > > > > Cc: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> > > > > Cc: Simon Shields <simon@xxxxxxxxxxxxx> > > > > --- > > > > Documentation/devicetree/bindings/leds/common.txt | 55 > > > > +++++++++++++++++++---- > > > > 1 file changed, 47 insertions(+), 8 deletions(-) > > > > > > > > diff --git a/Documentation/devicetree/bindings/leds/common.txt > > > > b/Documentation/devicetree/bindings/leds/common.txt > > > > index aa1399814a2a..3402b0e1cec9 100644 > > > > --- a/Documentation/devicetree/bindings/leds/common.txt > > > > +++ b/Documentation/devicetree/bindings/leds/common.txt > > > > @@ -10,14 +10,23 @@ can influence the way of the LED device > > > > initialization, the LED components > > > > have to be tightly coupled with the LED device binding. They > > > > are represented > > > > by child nodes of the parent LED device binding. > > > > + > > > > Optional properties for child nodes: > > > > - led-sources : List of device current outputs the LED is > > > > connected to. The > > > > outputs are identified by the numbers that must be defined > > > > in the LED device binding documentation. > > > > +- function: LED functon. Use one of the LED_FUNCTION_* prefixed > > > > definitions > > > > + from the header include/dt-bindings/leds/common.h. > > > > + If there is no matching LED_FUNCTION available, add a new one. > > > > +- color : Color of the LED. Use one of the LED_COLOR_NAME_* > > > > prefixed definitions > > > > + from the header include/dt-bindings/leds/common.h. > > > > + If there is no matching LED_COLOR_NAME available, add a > > > > new one. > > > > + > > > > > > I am assuming multi color can re-use this property as well? > > > > I intended it to be a string, but indeed it would be better if we will > > make it an integer to be consistent with the discussed LED multi color > > design. > > Going further, I wonder if it would make sense to make function also > an integer. This way we could enforce use of LED functions known > to kernel. I think if we did that, then we'd just need to keep label. I think we need to allow for populating a string in DT matching a sticker next to an LED on a device. Rob