| LEDs connected to is31fl319x LED controller chip |
| |
| Required properties: |
| - compatible : Should be any of |
| "issi,is31fl3190" |
| "issi,is31fl3191" |
| "issi,is31fl3193" |
| "issi,is31fl3196" |
| "issi,is31fl3199" |
| "si-en,sn3199". |
| - #address-cells: Must be 1. |
| - #size-cells: Must be 0. |
| - reg: 0x64, 0x65, 0x66, or 0x67. |
| |
| Optional properties: |
| - audio-gain-db : audio gain selection for external analog modulation input. |
| Valid values: 0 - 21, step by 3 (rounded down) |
| Default: 0 |
| |
| Each led is represented as a sub-node of the issi,is31fl319x device. |
| There can be less leds subnodes than the chip can support but not more. |
| |
| Required led sub-node properties: |
| - reg : number of LED line |
| Valid values: 1 - number of leds supported by the chip variant. |
| |
| Optional led sub-node properties: |
| - label : see Documentation/devicetree/bindings/leds/common.txt. |
| - linux,default-trigger : |
| see Documentation/devicetree/bindings/leds/common.txt. |
| - led-max-microamp : (optional) |
| Valid values: 5000 - 40000, step by 5000 (rounded down) |
| Default: 20000 (20 mA) |
| Note: a driver will take the lowest of all led limits since the |
| chip has a single global setting. The lowest value will be chosen |
| due to the PWM specificity, where lower brightness is achieved |
| by reducing the dury-cycle of pulses and not the current, which |
| will always have its peak value equal to led-max-microamp. |
| |
| Examples: |
| |
| fancy_leds: leds@65 { |
| compatible = "issi,is31fl3196"; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| reg = <0x65>; |
| |
| red_aux: led@1 { |
| label = "red:aux"; |
| reg = <1>; |
| led-max-microamp = <10000>; |
| }; |
| |
| green_power: led@5 { |
| label = "green:power"; |
| reg = <5>; |
| linux,default-trigger = "default-on"; |
| }; |
| }; |