From 4e2f17be8f63a6ad9ebd4cdfce627e3dd25d80bb Mon Sep 17 00:00:00 2001 From: Andreas Dannenberg Date: Tue, 26 Apr 2016 17:15:56 -0500 Subject: [PATCH] ASoC: add TA5720 digital amplifier DT bindings The Texas Instruments TAS5720L/M device is a high-efficiency mono Class-D audio power amplifier optimized for high transient power capability to use the dynamic power headroom of small loudspeakers. Its digital time division multiplexed (TDM) interface enables up to 16 devices to share the same bus. Signed-off-by: Andreas Dannenberg Signed-off-by: Mark Brown --- .../devicetree/bindings/sound/tas5720.txt | 25 +++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/tas5720.txt diff --git a/Documentation/devicetree/bindings/sound/tas5720.txt b/Documentation/devicetree/bindings/sound/tas5720.txt new file mode 100644 index 000000000000..806ea7381483 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/tas5720.txt @@ -0,0 +1,25 @@ +Texas Instruments TAS5720 Mono Audio amplifier + +The TAS5720 serial control bus communicates through the I2C protocol only. The +serial bus is also used for periodic codec fault checking/reporting during +audio playback. For more product information please see the links below: + +http://www.ti.com/product/TAS5720L +http://www.ti.com/product/TAS5720M + +Required properties: + +- compatible : "ti,tas5720" +- reg : I2C slave address +- dvdd-supply : phandle to a 3.3-V supply for the digital circuitry +- pvdd-supply : phandle to a supply used for the Class-D amp and the analog + +Example: + +tas5720: tas5720@6c { + status = "okay"; + compatible = "ti,tas5720"; + reg = <0x6c>; + dvdd-supply = <&vdd_3v3_reg>; + pvdd-supply = <&_supply_reg>; +};