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Diffstat (limited to 'Documentation/devicetree/bindings/sound/tas2552.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/tas2552.txt | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/tas2552.txt b/Documentation/devicetree/bindings/sound/tas2552.txt new file mode 100644 index 000000000..2d71eb05c --- /dev/null +++ b/Documentation/devicetree/bindings/sound/tas2552.txt @@ -0,0 +1,36 @@ +Texas Instruments - tas2552 Codec module + +The tas2552 serial control bus communicates through I2C protocols + +Required properties: + - compatible - One of: + "ti,tas2552" - TAS2552 + - reg - I2C slave address: it can be 0x40 if ADDR pin is 0 + or 0x41 if ADDR pin is 1. + - supply-*: Required supply regulators are: + "vbat" battery voltage + "iovdd" I/O Voltage + "avdd" Analog DAC Voltage + +Optional properties: + - enable-gpio - gpio pin to enable/disable the device + +tas2552 can receive its reference clock via MCLK, BCLK, IVCLKIN pin or use the +internal 1.8MHz. This CLKIN is used by the PLL. In addition to PLL, the PDM +reference clock is also selectable: PLL, IVCLKIN, BCLK or MCLK. +For system integration the dt-bindings/sound/tas2552.h header file provides +defined values to select and configure the PLL and PDM reference clocks. + +Example: + +tas2552: tas2552@41 { + compatible = "ti,tas2552"; + reg = <0x41>; + vbat-supply = <®_vbat>; + iovdd-supply = <®_iovdd>; + avdd-supply = <®_avdd>; + enable-gpio = <&gpio4 2 GPIO_ACTIVE_HIGH>; +}; + +For more product information please see the link below: +http://www.ti.com/product/TAS2552 |