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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>
alistair/sunxi64-5.4-dsi
Dan Murphy 2019-05-06 14:16:09 -05:00 committed by Jacek Anaszewski
parent a188339ca5
commit 2f230f3004
1 changed files with 14 additions and 8 deletions
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22
Documentation/devicetree/bindings/mfd/ti-lmu.txt
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@ -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>;
};
};