On Wed 2019-07-10 14:39:31, Jean-Jacques Hiblot wrote: > Add DT binding for led-backlight. > > Signed-off-by: Jean-Jacques Hiblot <[email protected]> > --- > .../bindings/leds/backlight/led-backlight.txt | 28 +++++++++++++++++++ > 1 file changed, 28 insertions(+) > create mode 100644 > Documentation/devicetree/bindings/leds/backlight/led-backlight.txt > > diff --git > a/Documentation/devicetree/bindings/leds/backlight/led-backlight.txt > b/Documentation/devicetree/bindings/leds/backlight/led-backlight.txt > new file mode 100644 > index 000000000000..0444eec8efe1 > --- /dev/null > +++ b/Documentation/devicetree/bindings/leds/backlight/led-backlight.txt > @@ -0,0 +1,28 @@ > +led-backlight bindings > + > +This binding is used to describe a basic backlight device made of > LEDs.
Ok.
> +It can also be used to describe a backlight device controlled by the output
> of
> +a LED driver.
? The LED driver should better be driving some LEDs...
> +Required properties:
> + - compatible: "led-backlight"
> + - leds: a list of LEDs
> +
> +Optional properties:
> + - brightness-levels: Array of distinct brightness levels. The levels must
> be
> + in the range accepted by the underlying LED devices.
> + This is used to translate a backlight brightness level
> + into a LED brightness level. if not provided, the
> + identity mapping is used.
"If it is not"
Pavel
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