dt: bindings: lm3692x: Update binding for LED sync control

Update the binding to be able to configure the LED
sync to turn on.

The LM36922 has one output but can sync current to 2 LED
strings. The user may only use one sync so the other
syncs need to be disabled.

The LM36923 has 3 LED syncs.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>

diff --git a/Documentation/devicetree/bindings/leds/leds-lm3692x.txt b/Documentation/devicetree/bindings/leds/leds-lm3692x.txt
index 6c9074f..08b3528 100644 (file)
--- a/Documentation/devicetree/bindings/leds/leds-lm3692x.txt
+++ b/Documentation/devicetree/bindings/leds/leds-lm3692x.txt
@@ -20,7 +20,10 @@ Optional properties:
        - vled-supply : LED supply
 
 Required child properties:
-       - reg : 0
+       - reg : 0 - Will enable all LED sync paths
+               1 - Will enable the LED1 sync
+               2 - Will enable the LED2 sync
+               3 - Will enable the LED3 sync (LM36923 only)
 
 Optional child properties:
        - label : see Documentation/devicetree/bindings/leds/common.txt