ti,tas5086.txt

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    1 Texas Instruments TAS5086 6-channel PWM Processor
    2 
    3 Required properties:
    4 
    5  - compatible:          Should contain "ti,tas5086".
    6  - reg:                 The i2c address. Should contain <0x1b>.
    7 
    8 Optional properties:
    9 
   10  - reset-gpio:          A GPIO spec to define which pin is connected to the
   11                         chip's !RESET pin. If specified, the driver will
   12                         assert a hardware reset at probe time.
   13 
   14  - ti,charge-period:    This property should contain the time in microseconds
   15                         that closely matches the external single-ended
   16                         split-capacitor charge period. The hardware chip
   17                         waits for this period of time before starting the
   18                         PWM signals. This helps reduce pops and clicks.
   19 
   20                         When not specified, the hardware default of 1300ms
   21                         is retained.
   22 
   23  - ti,mid-z-channel-X:  Boolean properties, X being a number from 1 to 6.
   24                         If given, channel X will start with the Mid-Z start
   25                         sequence, otherwise the default Low-Z scheme is used.
   26 
   27                         The correct configuration depends on how the power
   28                         stages connected to the PWM output pins work. Not all
   29                         power stages are compatible to Mid-Z - please refer
   30                         to the datasheets for more details.
   31 
   32                         Most systems should not set any of these properties.
   33 
   34  - avdd-supply:         Power supply for AVDD, providing 3.3V
   35  - dvdd-supply:         Power supply for DVDD, providing 3.3V
   36 
   37 Examples:
   38 
   39         i2c_bus {
   40                 tas5086@1b {
   41                         compatible = "ti,tas5086";
   42                         reg = <0x1b>;
   43                         reset-gpio = <&gpio 23 0>;
   44                         ti,charge-period = <156000>;
   45                         avdd-supply = <&vdd_3v3_reg>;
   46                         dvdd-supply = <&vdd_3v3_reg>;
   47                 };
   48         };

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