Merge tag 'kconfig-v4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy...
[sfrench/cifs-2.6.git] / Documentation / devicetree / bindings / leds / leds-lm3692x.txt
1 * Texas Instruments - LM3692x Highly Efficient White LED Driver
2
3 The LM3692x is an ultra-compact, highly efficient,
4 white-LED driver designed for LCD display backlighting.
5
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.
9
10 Required properties:
11         - compatible:
12                 "ti,lm36922"
13                 "ti,lm36923"
14         - reg :  I2C slave address
15         - #address-cells : 1
16         - #size-cells : 0
17
18 Optional properties:
19         - enable-gpios : gpio pin to enable/disable the device.
20         - vled-supply : LED supply
21
22 Required child properties:
23         - reg : 0
24
25 Optional child properties:
26         - label : see Documentation/devicetree/bindings/leds/common.txt
27         - linux,default-trigger :
28            see Documentation/devicetree/bindings/leds/common.txt
29
30 Example:
31
32 led-controller@36 {
33         compatible = "ti,lm3692x";
34         reg = <0x36>;
35         #address-cells = <1>;
36         #size-cells = <0>;
37
38         enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
39         vled-supply = <&vbatt>;
40
41         led@0 {
42                 reg = <0>;
43                 label = "white:backlight_cluster";
44                 linux,default-trigger = "backlight";
45         };
46 }
47
48 For more product information please see the link below:
49 http://www.ti.com/lit/ds/snvsa29/snvsa29.pdf