| Binding for Qualcomm PM8941 WLED driver |
| |
| Required properties: |
| - compatible: should be "qcom,pm8941-wled" |
| - reg: slave address |
| |
| Optional properties: |
| - default-brightness: brightness value on boot, value from: 0-4095 |
| default: 2048 |
| - label: The name of the backlight device |
| - qcom,cs-out: bool; enable current sink output |
| - qcom,cabc: bool; enable content adaptive backlight control |
| - qcom,ext-gen: bool; use externally generated modulator signal to dim |
| - qcom,current-limit: mA; per-string current limit; value from 0 to 25 |
| default: 20mA |
| - qcom,current-boost-limit: mA; boost current limit; one of: |
| 105, 385, 525, 805, 980, 1260, 1400, 1680 |
| default: 805mA |
| - qcom,switching-freq: kHz; switching frequency; one of: |
| 600, 640, 685, 738, 800, 872, 960, 1066, 1200, 1371, |
| 1600, 1920, 2400, 3200, 4800, 9600, |
| default: 1600kHz |
| - qcom,ovp: V; Over-voltage protection limit; one of: |
| 27, 29, 32, 35 |
| default: 29V |
| - qcom,num-strings: #; number of led strings attached; value from 1 to 3 |
| default: 2 |
| |
| Example: |
| |
| pm8941-wled@d800 { |
| compatible = "qcom,pm8941-wled"; |
| reg = <0xd800>; |
| label = "backlight"; |
| |
| qcom,cs-out; |
| qcom,current-limit = <20>; |
| qcom,current-boost-limit = <805>; |
| qcom,switching-freq = <1600>; |
| qcom,ovp = <29>; |
| qcom,num-strings = <2>; |
| }; |
