ams,as3645a.txt

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    1 Analog devices AS3645A device tree bindings
    2 
    3 The AS3645A flash LED controller can drive two LEDs, one high current
    4 flash LED and one indicator LED. The high current flash LED can be
    5 used in torch mode as well.
    6 
    7 Ranges below noted as [a, b] are closed ranges between a and b, i.e. a
    8 and b are included in the range.
    9 
   10 Please also see common.txt in the same directory.
   11 
   12 
   13 Required properties
   14 ===================
   15 
   16 compatible      : Must be "ams,as3645a".
   17 reg             : The I2C address of the device. Typically 0x30.
   18 #address-cells  : 1
   19 #size-cells     : 0
   20 
   21 
   22 Required properties of the flash child node (0)
   23 ===============================================
   24 
   25 reg: 0
   26 flash-timeout-us: Flash timeout in microseconds. The value must be in
   27                   the range [100000, 850000] and divisible by 50000.
   28 flash-max-microamp: Maximum flash current in microamperes. Has to be
   29                     in the range between [200000, 500000] and
   30                     divisible by 20000.
   31 led-max-microamp: Maximum torch (assist) current in microamperes. The
   32                   value must be in the range between [20000, 160000] and
   33                   divisible by 20000.
   34 ams,input-max-microamp: Maximum flash controller input current. The
   35                         value must be in the range [1250000, 2000000]
   36                         and divisible by 50000.
   37 
   38 
   39 Optional properties of the flash child node
   40 ===========================================
   41 
   42 function        :  See Documentation/devicetree/bindings/leds/common.txt.
   43 color           :  See Documentation/devicetree/bindings/leds/common.txt.
   44 label           :  See Documentation/devicetree/bindings/leds/common.txt (deprecated).
   45 
   46 
   47 Required properties of the indicator child node (1)
   48 ===================================================
   49 
   50 reg: 1
   51 led-max-microamp: Maximum indicator current. The allowed values are
   52                   2500, 5000, 7500 and 10000.
   53 
   54 Optional properties of the indicator child node
   55 ===============================================
   56 
   57 function        :  See Documentation/devicetree/bindings/leds/common.txt.
   58 color           :  See Documentation/devicetree/bindings/leds/common.txt.
   59 label           :  See Documentation/devicetree/bindings/leds/common.txt (deprecated).
   60 
   61 
   62 Example
   63 =======
   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         };

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