[PATCH v4 2/7] dt-bindings: mfd: LMU: Add the ramp up/down property

Dan Murphy
2019-05-06T19:16:41Z

Document the ramp-up and ramp-down property in the binding.
Removing the "sec" from the property definition as seconds is
implied.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dan Murphy <dmurphy@ti.com>
---

v4 - Change property->properties, changed ramp-up/down-ms to ramp-up/down-us -
https://lore.kernel.org/patchwork/patch/1068614/

v3 - No changes added Reviewed-by Rob - https://lore.kernel.org/patchwork/patch/1058759/
v2 - Fixed commit message as this was not just a modification but adding documentation
https://lore.kernel.org/patchwork/patch/1054504/

.../devicetree/bindings/mfd/ti-lmu.txt | 22 ++++++++++++-------
1 file 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>;
};
};

--
2.21.0.5.gaeb582a983