1Binding for Qualcomm PM8941 WLED driver 2 3Required properties: 4- compatible: should be "qcom,pm8941-wled" 5- reg: slave address 6 7Optional properties: 8- default-brightness: brightness value on boot, value from: 0-4095 9 default: 2048 10- label: The name of the backlight device 11- qcom,cs-out: bool; enable current sink output 12- qcom,cabc: bool; enable content adaptive backlight control 13- qcom,ext-gen: bool; use externally generated modulator signal to dim 14- qcom,current-limit: mA; per-string current limit; value from 0 to 25 15 default: 20mA 16- qcom,current-boost-limit: mA; boost current limit; one of: 17 105, 385, 525, 805, 980, 1260, 1400, 1680 18 default: 805mA 19- qcom,switching-freq: kHz; switching frequency; one of: 20 600, 640, 685, 738, 800, 872, 960, 1066, 1200, 1371, 21 1600, 1920, 2400, 3200, 4800, 9600, 22 default: 1600kHz 23- qcom,ovp: V; Over-voltage protection limit; one of: 24 27, 29, 32, 35 25 default: 29V 26- qcom,num-strings: #; number of led strings attached; value from 1 to 3 27 default: 2 28 29Example: 30 31pm8941-wled@d800 { 32 compatible = "qcom,pm8941-wled"; 33 reg = <0xd800>; 34 label = "backlight"; 35 36 qcom,cs-out; 37 qcom,current-limit = <20>; 38 qcom,current-boost-limit = <805>; 39 qcom,switching-freq = <1600>; 40 qcom,ovp = <29>; 41 qcom,num-strings = <2>; 42}; 43