projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| e0442d7d | 1 | Binding for ISSI IS31FL32xx and Si-En SN32xx LED Drivers |
| 4ef31e49 | 2 | |
| e0442d7d | 3 | The IS31FL32xx/SN32xx family of LED drivers are I2C devices with multiple |
| 4ef31e49 DR |
4 | constant-current channels, each with independent 256-level PWM control. |
| 5 | Each LED is represented as a sub-node of the device. | |
| 6 | ||
| 7 | Required properties: | |
| 8 | - compatible: one of | |
| 9 | issi,is31fl3236 | |
| 10 | issi,is31fl3235 | |
| 11 | issi,is31fl3218 | |
| 12 | issi,is31fl3216 | |
| e0442d7d DR |
13 | si-en,sn3218 |
| 14 | si-en,sn3216 | |
| 4ef31e49 DR |
15 | - reg: I2C slave address |
| 16 | - address-cells : must be 1 | |
| 17 | - size-cells : must be 0 | |
| 18 | ||
| 19 | LED sub-node properties: | |
| 20 | - reg : LED channel number (1..N) | |
| 21 | - label : (optional) | |
| 22 | see Documentation/devicetree/bindings/leds/common.txt | |
| 23 | - linux,default-trigger : (optional) | |
| 24 | see Documentation/devicetree/bindings/leds/common.txt | |
| 25 | ||
| 26 | ||
| 27 | Example: | |
| 28 | ||
| 29 | is31fl3236: led-controller@3c { | |
| 30 | compatible = "issi,is31fl3236"; | |
| 31 | reg = <0x3c>; | |
| 32 | #address-cells = <1>; | |
| 33 | #size-cells = <0>; | |
| 34 | ||
| 35 | led@1 { | |
| 36 | reg = <1>; | |
| 37 | label = "EB:blue:usr0"; | |
| 38 | }; | |
| 39 | led@2 { | |
| 40 | reg = <2>; | |
| 41 | label = "EB:blue:usr1"; | |
| 42 | }; | |
| 43 | ... | |
| 44 | led@36 { | |
| 45 | reg = <36>; | |
| 46 | label = "EB:blue:usr35"; | |
| 47 | }; | |
| 48 | }; | |
| 49 | ||
| e0442d7d | 50 | For more product information please see the links below: |
| 4ef31e49 | 51 | http://www.issi.com/US/product-analog-fxled-driver.shtml |
| e0442d7d | 52 | http://www.si-en.com/product.asp?parentid=890 |