summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/mfd
diff options
context:
space:
mode:
authorDan Murphy <dmurphy@ti.com>2019-05-06 21:16:09 +0200
committerJacek Anaszewski <jacek.anaszewski@gmail.com>2019-05-20 20:39:06 +0200
commit2f230f300497f695bec65439b20df3293eabf889 (patch)
tree0502e92175f5a350843029d2bff3a6180caff3e8 /Documentation/devicetree/bindings/mfd
parentLinux 5.2-rc1 (diff)
downloadlinux-2f230f300497f695bec65439b20df3293eabf889.tar.xz
linux-2f230f300497f695bec65439b20df3293eabf889.zip
dt-bindings: mfd: LMU: Add the ramp up/down property
Document the ramp-up and ramp-down property in the binding. Removing the "sec" from the property definition as seconds is implied. Signed-off-by: Dan Murphy <dmurphy@ti.com> Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Lee Jones <lee.jones@linaro.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.txt22
1 files changed, 14 insertions, 8 deletions
diff --git a/Documentation/devicetree/bindings/mfd/ti-lmu.txt b/Documentation/devicetree/bindings/mfd/ti-lmu.txt
index 86ca786d54fc..160eb0a5e21a 100644
--- a/Documentation/devicetree/bindings/mfd/ti-lmu.txt
+++ b/Documentation/devicetree/bindings/mfd/ti-lmu.txt
@@ -23,8 +23,14 @@ Required properties:
0x36 for LM3633, LM3697
0x63 for LM3695
-Optional property:
+Optional properties:
- enable-gpios: A GPIO specifier for hardware enable pin.
+ - ramp-up-us: Current ramping from one brightness level to
+ the a higher brightness level.
+ Range from 2048 us - 117.44 s
+ - ramp-down-us: Current ramping from one brightness level to
+ the a lower brightness level.
+ Range from 2048 us - 117.44 s
Required node:
- backlight: All LMU devices have backlight child nodes.
@@ -90,7 +96,7 @@ lm3631@29 {
lcd_bl {
led-sources = <0 1>;
- ramp-up-msec = <300>;
+ ramp-up-us = <300000>;
};
};
};
@@ -152,15 +158,15 @@ lm3633@36 {
main {
label = "main_lcd";
led-sources = <1 2>;
- ramp-up-msec = <500>;
- ramp-down-msec = <500>;
+ ramp-up-us = <500000>;
+ ramp-down-us = <500000>;
};
front {
label = "front_lcd";
led-sources = <0>;
- ramp-up-msec = <1000>;
- ramp-down-msec = <0>;
+ ramp-up-us = <1000000>;
+ ramp-down-us = <0>;
};
};
@@ -212,8 +218,8 @@ lm3697@36 {
lcd {
led-sources = <0 1 2>;
- ramp-up-msec = <200>;
- ramp-down-msec = <200>;
+ ramp-up-us = <200000>;
+ ramp-down-us = <200000>;
};
};