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Commit d0147554 authored by Dan Murphy's avatar Dan Murphy Committed by Jacek Anaszewski
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dt-bindings: mfd: LMU: Add ti,brightness-resolution 



Add ti,brightness-resolution to the TI LMU binding to define
whether the device uses 8-bit brightness or 11-bit brightness.

Signed-off-by: default avatarDan Murphy <dmurphy@ti.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarJacek Anaszewski <jacek.anaszewski@gmail.com>
parent 2f230f30

Documentation/devicetree/bindings/mfd/ti-lmu.txt

+11 −0
Original line number Diff line number Diff line
@@ -31,6 +31,16 @@ Optional properties: 
  - ramp-down-us: Current ramping from one brightness level to

		  the a lower brightness level.

		  Range from 2048 us - 117.44 s

  - ti,brightness-resolution - This determines whether to use 8 bit brightness

			       mode or 11 bit brightness mode.  If this value is

			       not set the device is defaulted to the preferred

			       8bit brightness mode per 7.3.4.1 of the data

			       sheet.  This setting can either be in the parent

			       node or as part of the LED child nodes.  This

			       is determined by the part itself if the strings

			       have a common brightness register or individual

			       brightness registers.

			       The values are 255 (8bit) or 2047 (11bit).



Required node:

  - backlight: All LMU devices have backlight child nodes.
@@ -217,6 +227,7 @@ lm3697@36 { 
		compatible = "ti,lm3697-backlight";



		lcd {

			ti,brightness-resolution = <255>;

			led-sources = <0 1 2>;

			ramp-up-us = <200000>;

			ramp-down-us = <200000>;