1 * Texas Instruments - LM3692x Highly Efficient White LED Driver
3 The LM3692x is an ultra-compact, highly efficient,
4 white-LED driver designed for LCD display backlighting.
6 The main difference between the LM36922 and LM36923 is the number of
7 LED strings it supports. The LM36922 supports two strings while the LM36923
8 supports three strings.
14 - reg : I2C slave address
19 - enable-gpios : gpio pin to enable/disable the device.
20 - vled-supply : LED supply
21 - ti,ovp-microvolt: Overvoltage protection in
22 micro-volt, can be 17000000, 21000000, 25000000 or
23 29000000. If ti,ovp-microvolt is not specified it
26 Required child properties:
27 - reg : 0 - Will enable all LED sync paths
28 1 - Will enable the LED1 sync
29 2 - Will enable the LED2 sync
30 3 - Will enable the LED3 sync (LM36923 only)
32 Optional child properties:
33 - function : see Documentation/devicetree/bindings/leds/common.txt
34 - color : see Documentation/devicetree/bindings/leds/common.txt
35 - label : see Documentation/devicetree/bindings/leds/common.txt (deprecated)
36 - linux,default-trigger :
37 see Documentation/devicetree/bindings/leds/common.txt
39 see Documentation/devicetree/bindings/leds/common.txt
43 #include <dt-bindings/leds/common.h>
46 compatible = "ti,lm3692x";
51 enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
52 vled-supply = <&vbatt>;
53 ti,ovp-microvolt = <29000000>;
57 function = LED_FUNCTION_BACKLIGHT;
58 color = <LED_COLOR_ID_WHITE>;
59 linux,default-trigger = "backlight";
60 led-max-microamp = <20000>;
64 For more product information please see the link below:
65 https://www.ti.com/lit/ds/snvsa29/snvsa29.pdf