Document the bindings for the soon-to-be-added tas571x driver.
Signed-off-by: Kevin Cernekee <cernekee@xxxxxxxxxxxx>
---
.../devicetree/bindings/sound/tas571x.txt | 34 ++++++++++++++++++++++
1 file changed, 34 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/tas571x.txt
diff --git a/Documentation/devicetree/bindings/sound/tas571x.txt b/Documentation/devicetree/bindings/sound/tas571x.txt
new file mode 100644
index 000000000000..ac704c1f143d
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/tas571x.txt
@@ -0,0 +1,34 @@
+Texas Instruments TAS5711/TAS5717/TAS5719 stereo power amplifiers
+
+The codec is controlled through an I2C interface. It also has two other
+signals that can be wired up to GPIOs: reset (strongly recommended), and
+powerdown (optional).
+
+Required properties:
+
+- compatible: "ti,tas5711", "ti,tas5717", or "ti,tas5719"
+- reg: The I2C address of the device
+- #sound-dai-cells: must be equal to 0
+
+Optional properties:
+
+- reset-gpios: GPIO specifier for the TAS571x's active low reset line
+- pdn-gpios: GPIO specifier for the TAS571x's active low powerdown line
+- clocks: clock phandle for the MCLK input
+- clock-names: should be "mclk"
+- VDD-supply: regulator phandle for the AVDD/DVDD/HP_VDD supply
+- PVDD-supply: regulator phandle for the PVDD supply
+
+Example:
+
+ tas5717: audio-codec@2a {
+ compatible = "ti,tas5717";
+ reg = <0x2a>;
+ #sound-dai-cells = <0>;
+
+ reset-gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
+ pdn-gpios = <&gpio5 2 GPIO_ACTIVE_HIGH>;
+
+ clocks = <&clk_core CLK_I2S>;
+ clock-names = "mclk";
+ };
--
2.2.0.rc0.207.ga3a616c
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