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[media] media: i2c/adp1653: Documentation for devicetree support for adp1653 

Documentation for adp1653 bindings.

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Pavel Machek 2015-04-04 04:43:37 -03:00 committed by Mauro Carvalho Chehab
parent cb0c9e1f67
commit b2dbde542d
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Documentation/devicetree/bindings/media/i2c/adp1653.txt Normal file
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* Analog Devices ADP1653 flash LED driver
Required Properties:
- compatible: Must contain "adi,adp1653"
- reg: I2C slave address
- enable-gpios: Specifier of the GPIO connected to EN pin
There are two LED outputs available - flash and indicator. One LED is
represented by one child node, nodes need to be named "flash" and "indicator".
Required properties of the LED child node:
- max-microamp : see Documentation/devicetree/bindings/leds/common.txt
Required properties of the flash LED child node:
- flash-max-microamp : see Documentation/devicetree/bindings/leds/common.txt
- flash-timeout-us : see Documentation/devicetree/bindings/leds/common.txt
Example:
adp1653: led-controller@30 {
compatible = "adi,adp1653";
reg = <0x30>;
enable-gpios = <&gpio3 24 GPIO_ACTIVE_HIGH>; /* 88 */
flash {
flash-timeout-us = <500000>;
flash-max-microamp = <320000>;
max-microamp = <50000>;
};
indicator {
max-microamp = <17500>;
};
};