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1Analog devices AS3645A device tree bindings2 3The AS3645A flash LED controller can drive two LEDs, one high current4flash LED and one indicator LED. The high current flash LED can be5used in torch mode as well.6 7Ranges below noted as [a, b] are closed ranges between a and b, i.e. a8and b are included in the range.9 10Please also see common.txt in the same directory.11 12 13Required properties14===================15 16compatible : Must be "ams,as3645a".17reg : The I2C address of the device. Typically 0x30.18#address-cells : 119#size-cells : 020 21 22Required properties of the flash child node (0)23===============================================24 25reg: 026flash-timeout-us: Flash timeout in microseconds. The value must be in27 the range [100000, 850000] and divisible by 50000.28flash-max-microamp: Maximum flash current in microamperes. Has to be29 in the range between [200000, 500000] and30 divisible by 20000.31led-max-microamp: Maximum torch (assist) current in microamperes. The32 value must be in the range between [20000, 160000] and33 divisible by 20000.34ams,input-max-microamp: Maximum flash controller input current. The35 value must be in the range [1250000, 2000000]36 and divisible by 50000.37 38 39Optional properties of the flash child node40===========================================41 42function : See Documentation/devicetree/bindings/leds/common.txt.43color : See Documentation/devicetree/bindings/leds/common.txt.44label : See Documentation/devicetree/bindings/leds/common.txt (deprecated).45 46 47Required properties of the indicator child node (1)48===================================================49 50reg: 151led-max-microamp: Maximum indicator current. The allowed values are52 2500, 5000, 7500 and 10000.53 54Optional properties of the indicator child node55===============================================56 57function : See Documentation/devicetree/bindings/leds/common.txt.58color : See Documentation/devicetree/bindings/leds/common.txt.59label : See Documentation/devicetree/bindings/leds/common.txt (deprecated).60 61 62Example63=======64 65#include <dt-bindings/leds/common.h>66 67 as3645a@30 {68 #address-cells = <1>;69 #size-cells = <0>;70 reg = <0x30>;71 compatible = "ams,as3645a";72 led@0 {73 reg = <0x0>;74 flash-timeout-us = <150000>;75 flash-max-microamp = <320000>;76 led-max-microamp = <60000>;77 ams,input-max-microamp = <1750000>;78 function = LED_FUNCTION_FLASH;79 };80 led@1 {81 reg = <0x1>;82 led-max-microamp = <10000>;83 function = LED_FUNCTION_INDICATOR;84 };85 };86