80 lines
2.1 KiB
Plaintext
80 lines
2.1 KiB
Plaintext
|
Analog devices AS3645A device tree bindings
|
||
|
|
|
||
|
|
The AS3645A flash LED controller can drive two LEDs, one high current
|
||
|
|
flash LED and one indicator LED. The high current flash LED can be
|
||
|
|
used in torch mode as well.
|
||
|
|
|
||
|
|
Ranges below noted as [a, b] are closed ranges between a and b, i.e. a
|
||
|
|
and b are included in the range.
|
||
|
|
|
||
|
|
Please also see common.txt in the same directory.
|
||
|
|
|
||
|
|
|
||
|
|
Required properties
|
||
|
|
===================
|
||
|
|
|
||
|
|
compatible : Must be "ams,as3645a".
|
||
|
|
reg : The I2C address of the device. Typically 0x30.
|
||
|
|
#address-cells : 1
|
||
|
|
#size-cells : 0
|
||
|
|
|
||
|
|
|
||
|
|
Required properties of the flash child node (0)
|
||
|
|
===============================================
|
||
|
|
|
||
|
|
reg: 0
|
||
|
|
flash-timeout-us: Flash timeout in microseconds. The value must be in
|
||
|
|
the range [100000, 850000] and divisible by 50000.
|
||
|
|
flash-max-microamp: Maximum flash current in microamperes. Has to be
|
||
|
|
in the range between [200000, 500000] and
|
||
|
|
divisible by 20000.
|
||
|
|
led-max-microamp: Maximum torch (assist) current in microamperes. The
|
||
|
|
value must be in the range between [20000, 160000] and
|
||
|
|
divisible by 20000.
|
||
|
|
ams,input-max-microamp: Maximum flash controller input current. The
|
||
|
|
value must be in the range [1250000, 2000000]
|
||
|
|
and divisible by 50000.
|
||
|
|
|
||
|
|
|
||
|
|
Optional properties of the flash child node
|
||
|
|
===========================================
|
||
|
|
|
||
|
|
label : The label of the flash LED.
|
||
|
|
|
||
|
|
|
||
|
|
Required properties of the indicator child node (1)
|
||
|
|
===================================================
|
||
|
|
|
||
|
|
reg: 1
|
||
|
|
led-max-microamp: Maximum indicator current. The allowed values are
|
||
|
|
2500, 5000, 7500 and 10000.
|
||
|
|
|
||
|
|
Optional properties of the indicator child node
|
||
|
|
===============================================
|
||
|
|
|
||
|
|
label : The label of the indicator LED.
|
||
|
|
|
||
|
|
|
||
|
|
Example
|
||
|
|
=======
|
||
|
|
|
||
|
|
as3645a@30 {
|
||
|
|
#address-cells: 1
|
||
|
|
#size-cells: 0
|
||
|
|
reg = <0x30>;
|
||
|
|
compatible = "ams,as3645a";
|
||
|
|
flash@0 {
|
||
|
|
reg = <0x0>;
|
||
|
|
flash-timeout-us = <150000>;
|
||
|
|
flash-max-microamp = <320000>;
|
||
|
|
led-max-microamp = <60000>;
|
||
|
|
ams,input-max-microamp = <1750000>;
|
||
|
|
label = "as3645a:flash";
|
||
|
|
};
|
||
|
|
indicator@1 {
|
||
|
|
reg = <0x1>;
|
||
|
|
led-max-microamp = <10000>;
|
||
|
|
label = "as3645a:indicator";
|
||
|
|
};
|
||
|
|
};
|