Add an optional 'max-brightness' property, which is used to specify
the number of brightness levels (max-brightness + 1) when the node
has no 'brightness-levels' table.
Signed-off-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
.../devicetree/bindings/leds/backlight/pwm-backlight.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/leds/backlight/pwm-backlight.txt b/Documentation/devicetree/bindings/leds/backlight/pwm-backlight.txt
index 64fa2fbd98c9..98f4ba626054 100644
@@ -27,6 +27,9 @@ Optional properties:
resolution pwm duty cycle can be used without
having to list out every possible value in the
+ - max-brightness: Maximum brightness value. Used to specify the number of
+ brightness levels (max-brightness + 1) when the node
+ has no 'brightness-levels' table.