Add runtime ramp rates for the LM3697 LED
driver. This LED driver supports separate
runtime ramp rates for going from a higher
or lower level of brightnesses
Signed-off-by: Dan Murphy <dmurphy@xxxxxx>
---
v7 - New change for the series to support feature in ti-lmu
.../devicetree/bindings/leds/leds-lm3697.txt | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/Documentation/devicetree/bindings/leds/leds-lm3697.txt b/Documentation/devicetree/bindings/leds/leds-lm3697.txt
index 85ae075f6677..4bb2ed51025b 100644
--- a/Documentation/devicetree/bindings/leds/leds-lm3697.txt
+++ b/Documentation/devicetree/bindings/leds/leds-lm3697.txt
@@ -30,6 +30,12 @@ Required child properties:
1 - HVLED string is controlled by this control bank
Optional child properties:
+ - runtime-ramp-up-msec: Current ramping from one brightness level to
+ the a higher brightness level.
+ Range from 2048 us - 117.44 s
+ - runtime-ramp-down-msec: Current ramping from one brightness level to
+ the a lower brightness level.
+ Range from 2048 us - 117.44 s
- label : see Documentation/devicetree/bindings/leds/common.txt
- linux,default-trigger :
see Documentation/devicetree/bindings/leds/common.txt
@@ -51,6 +57,8 @@ led-controller@36 {
led@0 {
reg = <0>;
led-sources = <1 0 1>;
+ runtime-ramp-up-msec = <5000>;
+ runtime-ramp-down-msec = <1000>;
label = "white:first_backlight_cluster";
linux,default-trigger = "backlight";
};
@@ -58,6 +66,8 @@ led-controller@36 {
led@1 {
reg = <1>;
led-sources = <0 1 0>;
+ runtime-ramp-up-msec = <500>;
+ runtime-ramp-down-msec = <1000>;
label = "white:second_backlight_cluster";
linux,default-trigger = "backlight";
};
@@ -77,6 +87,8 @@ led-controller@36 {
led@0 {
reg = <0>;
led-sources = <1 1 1>;
+ runtime-ramp-up-msec = <500>;
+ runtime-ramp-down-msec = <1000>;
label = "white:backlight_cluster";
linux,default-trigger = "backlight";
};
--
2.17.0.1855.g63749b2dea
