Documentation/devicetree/bindings/input/ti,drv260x.txt

   1 * Texas Instruments - drv260x Haptics driver family
   2
   3 Required properties:
   4         - compatible - One of:
   5                 "ti,drv2604" - DRV2604
   6                 "ti,drv2605" - DRV2605
   7                 "ti,drv2605l" - DRV2605L
   8         - reg -  I2C slave address
   9         - vbat-supply - Required supply regulator
  10         - mode - Power up mode of the chip (defined in include/dt-bindings/input/ti-drv260x.h)
  11                 DRV260X_LRA_MODE - Linear Resonance Actuator mode (Piezoelectric)
  12                 DRV260X_LRA_NO_CAL_MODE - This is a LRA Mode but there is no calibration
  13                                 sequence during init.  And the device is configured for real
  14                                 time playback mode (RTP mode).
  15                 DRV260X_ERM_MODE - Eccentric Rotating Mass mode (Rotary vibrator)
  16         - library-sel - These are ROM based waveforms pre-programmed into the IC.
  17                                 This should be set to set the library to use at power up.
  18                                 (defined in include/dt-bindings/input/ti-drv260x.h)
  19                 DRV260X_LIB_EMPTY - Do not use a pre-programmed library
  20                 DRV260X_ERM_LIB_A - Pre-programmed Library
  21                 DRV260X_ERM_LIB_B - Pre-programmed Library
  22                 DRV260X_ERM_LIB_C - Pre-programmed Library
  23                 DRV260X_ERM_LIB_D - Pre-programmed Library
  24                 DRV260X_ERM_LIB_E - Pre-programmed Library
  25                 DRV260X_ERM_LIB_F - Pre-programmed Library
  26                 DRV260X_LIB_LRA - Pre-programmed LRA Library
  27
  28 Optional properties:
  29         - enable-gpio - gpio pin to enable/disable the device.
  30         - vib-rated-mv - The rated voltage of the actuator in millivolts.
  31                           If this is not set then the value will be defaulted to
  32                           3.2 v.
  33         - vib-overdrive-mv - The overdrive voltage of the actuator in millivolts.
  34                           If this is not set then the value will be defaulted to
  35                           3.2 v.
  36 Example:
  37
  38 haptics: haptics@5a {
  39         compatible = "ti,drv2605l";
  40         reg = <0x5a>;
  41         vbat-supply = <&vbat>;
  42         enable-gpio = <&gpio1 28 GPIO_ACTIVE_HIGH>;
  43         mode = <DRV260X_LRA_MODE>;
  44         library-sel = <DRV260X_LIB_LRA>;
  45         vib-rated-mv = <3200>;
  46         vib-overdrive-mv = <3200>;
  47 }
  48
  49 For more product information please see the link below:
  50 http://www.ti.com/product/drv2605