18c2ecf20Sopenharmony_ciBinding for ISSI IS31FL32xx and Si-En SN32xx LED Drivers 28c2ecf20Sopenharmony_ci 38c2ecf20Sopenharmony_ciThe IS31FL32xx/SN32xx family of LED drivers are I2C devices with multiple 48c2ecf20Sopenharmony_ciconstant-current channels, each with independent 256-level PWM control. 58c2ecf20Sopenharmony_ciEach LED is represented as a sub-node of the device. 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_ciRequired properties: 88c2ecf20Sopenharmony_ci- compatible: one of 98c2ecf20Sopenharmony_ci issi,is31fl3236 108c2ecf20Sopenharmony_ci issi,is31fl3235 118c2ecf20Sopenharmony_ci issi,is31fl3218 128c2ecf20Sopenharmony_ci issi,is31fl3216 138c2ecf20Sopenharmony_ci si-en,sn3218 148c2ecf20Sopenharmony_ci si-en,sn3216 158c2ecf20Sopenharmony_ci- reg: I2C slave address 168c2ecf20Sopenharmony_ci- address-cells : must be 1 178c2ecf20Sopenharmony_ci- size-cells : must be 0 188c2ecf20Sopenharmony_ci 198c2ecf20Sopenharmony_ciLED sub-node properties: 208c2ecf20Sopenharmony_ci- reg : LED channel number (1..N) 218c2ecf20Sopenharmony_ci- label : (optional) 228c2ecf20Sopenharmony_ci see Documentation/devicetree/bindings/leds/common.txt 238c2ecf20Sopenharmony_ci- linux,default-trigger : (optional) 248c2ecf20Sopenharmony_ci see Documentation/devicetree/bindings/leds/common.txt 258c2ecf20Sopenharmony_ci 268c2ecf20Sopenharmony_ci 278c2ecf20Sopenharmony_ciExample: 288c2ecf20Sopenharmony_ci 298c2ecf20Sopenharmony_ciis31fl3236: led-controller@3c { 308c2ecf20Sopenharmony_ci compatible = "issi,is31fl3236"; 318c2ecf20Sopenharmony_ci reg = <0x3c>; 328c2ecf20Sopenharmony_ci #address-cells = <1>; 338c2ecf20Sopenharmony_ci #size-cells = <0>; 348c2ecf20Sopenharmony_ci 358c2ecf20Sopenharmony_ci led@1 { 368c2ecf20Sopenharmony_ci reg = <1>; 378c2ecf20Sopenharmony_ci label = "EB:blue:usr0"; 388c2ecf20Sopenharmony_ci }; 398c2ecf20Sopenharmony_ci led@2 { 408c2ecf20Sopenharmony_ci reg = <2>; 418c2ecf20Sopenharmony_ci label = "EB:blue:usr1"; 428c2ecf20Sopenharmony_ci }; 438c2ecf20Sopenharmony_ci ... 448c2ecf20Sopenharmony_ci led@36 { 458c2ecf20Sopenharmony_ci reg = <36>; 468c2ecf20Sopenharmony_ci label = "EB:blue:usr35"; 478c2ecf20Sopenharmony_ci }; 488c2ecf20Sopenharmony_ci}; 498c2ecf20Sopenharmony_ci 508c2ecf20Sopenharmony_ciFor more product information please see the links below: 518c2ecf20Sopenharmony_cihttp://www.issi.com/US/product-analog-fxled-driver.shtml 528c2ecf20Sopenharmony_cihttp://www.si-en.com/product.asp?parentid=890 53