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| author |   Dan Murphy <dmurphy@ti.com> | 2019-05-06 14:16:10 -0500 |
|---|---|---|
| committer |   Jacek Anaszewski <jacek.anaszewski@gmail.com> | 2019-05-20 20:47:22 +0200 |
| commit | d0147554d004e7cc427f6cfecf871916e34e8b67 (patch) | |
| tree | 30ab7ab65b72deaaf0cccbb6d6b49c21a21848ff /Documentation/devicetree/bindings/mfd | |
| parent | dt-bindings: mfd: LMU: Add the ramp up/down property (diff) | |
| download | linux-dev-d0147554d004e7cc427f6cfecf871916e34e8b67.tar.xz linux-dev-d0147554d004e7cc427f6cfecf871916e34e8b67.zip | |
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: Dan Murphy <dmurphy@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Diffstat (limited to 'Documentation/devicetree/bindings/mfd')
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/ti-lmu.txt | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/ti-lmu.txt b/Documentation/devicetree/bindings/mfd/ti-lmu.txt index 160eb0a5e21a..e3efefb194c5 100644 --- a/Documentation/devicetree/bindings/mfd/ti-lmu.txt +++ b/Documentation/devicetree/bindings/mfd/ti-lmu.txt @@ -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>; |