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dt: bindings: lm3692x: Add bindings for lm3692x LED driver
This adds the devicetree bindings for the LM3692x I2C LED string driver. Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Dan Murphy <dmurphy@ti.com> Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
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* Texas Instruments - LM3692x Highly Efficient White LED Driver | ||
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The LM3692x is an ultra-compact, highly efficient, | ||
white-LED driver designed for LCD display backlighting. | ||
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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. | ||
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Required properties: | ||
- compatible: | ||
"ti,lm36922" | ||
"ti,lm36923" | ||
- reg : I2C slave address | ||
- #address-cells : 1 | ||
- #size-cells : 0 | ||
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Optional properties: | ||
- enable-gpios : gpio pin to enable/disable the device. | ||
- vled-supply : LED supply | ||
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Required child properties: | ||
- reg : 0 | ||
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Optional child properties: | ||
- label : see Documentation/devicetree/bindings/leds/common.txt | ||
- linux,default-trigger : | ||
see Documentation/devicetree/bindings/leds/common.txt | ||
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Example: | ||
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led-controller@36 { | ||
compatible = "ti,lm3692x"; | ||
reg = <0x36>; | ||
#address-cells = <1>; | ||
#size-cells = <0>; | ||
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enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; | ||
vled-supply = <&vbatt>; | ||
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led@0 { | ||
reg = <0>; | ||
label = "white:backlight_cluster"; | ||
linux,default-trigger = "backlight"; | ||
}; | ||
} | ||
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For more product information please see the link below: | ||
http://www.ti.com/lit/ds/snvsa29/snvsa29.pdf |