This adds the devicetree bindings for the LM3692x I2C LED string driver. Acked-by: Pavel Machek <pa...@ucw.cz> Signed-off-by: Dan Murphy <dmur...@ti.com> ---
v8 - Added address-cells and size-cells as well as child node reg - https://patchwork.kernel.org/patch/10091259/ v7 - No changes - https://patchwork.kernel.org/patch/10087475/ v6 - No changes -https://patchwork.kernel.org/patch/10085567/ v5 - No Changes - https://patchwork.kernel.org/patch/10081071/ v4 - Fix example node, added trigger entry, removed ambiguous x for compatible and added common.txt pointer for label - https://patchwork.kernel.org/patch/10060107 v3 - No changes v2 - No changes - https://patchwork.kernel.org/patch/10056677/ .../devicetree/bindings/leds/leds-lm3692x.txt | 47 ++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-lm3692x.txt diff --git a/Documentation/devicetree/bindings/leds/leds-lm3692x.txt b/Documentation/devicetree/bindings/leds/leds-lm3692x.txt new file mode 100644 index 000000000000..84f69342d879 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-lm3692x.txt @@ -0,0 +1,47 @@ +* Texas Instruments - LM3692x Highly Efficient White LED Driver + +The LM3692x is an ultra-compact, highly efficient, +white-LED driver designed for LCD display backlighting. + +The main difference between the LM36922 and LM36923 is the number of +LED strings it supports. The LM36922 supports two strings while the LM36923 +supports three strings. + +Required properties: + - compatible: + "ti,lm36922" + "ti,lm36923" + - reg : I2C slave address + - #address-cells : 1 + - #size-cells : 0 + +Optional properties: + - label : see Documentation/devicetree/bindings/leds/common.txt + - enable-gpios : gpio pin to enable/disable the device. + - vled-supply : LED supply + - linux,default-trigger : (optional) + see Documentation/devicetree/bindings/leds/common.txt + +Required child properties: + - reg : 0 + +Example: + +lm3692x@36 { + compatible = "ti,lm3692x"; + reg = <0x36>; + #address-cells = <1>; + #size-cells = <0>; + + enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; + vled-supply = <&vbatt>; + + backlight: backlight@0 { + reg = <0>; + label = "backlight_cluster"; + linux,default-trigger = "backlight"; + }; +} + +For more product information please see the link below: +http://www.ti.com/lit/ds/snvsa29/snvsa29.pdf -- 2.15.0.124.g7668cbc60
