| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | Binding for ISSI IS31FL32xx and Si-En SN32xx LED Drivers |
| 2 | |
| 3 | The IS31FL32xx/SN32xx family of LED drivers are I2C devices with multiple |
| 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 |
| 13 | si-en,sn3218 |
| 14 | si-en,sn3216 |
| 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 | |
| 50 | For more product information please see the links below: |
| 51 | http://www.issi.com/US/product-analog-fxled-driver.shtml |
| 52 | http://www.si-en.com/product.asp?parentid=890 |