[PATCH v2 1/3] dt-bindings: ASoC: Add TDA7802 amplifier

[Thomas Preston <thomas.preston@xxxxxxxxxxxxxxx>]

Signed-off-by: Thomas Preston <thomas.preston@xxxxxxxxxxxxxxx>
Cc: Patrick Glaser <pglaser@xxxxxxxxx>
Cc: Rob Duncan <rduncan@xxxxxxxxx>
Cc: Nate Case <ncase@xxxxxxxxx>
---
 .../devicetree/bindings/sound/tda7802.txt     | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/tda7802.txt

diff --git a/Documentation/devicetree/bindings/sound/tda7802.txt b/Documentation/devicetree/bindings/sound/tda7802.txt
new file mode 100644
index 000000000000..f80aaf4f1ba0
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/tda7802.txt
@@ -0,0 +1,26 @@
+ST TDA7802 audio processor
+
+This device supports I2C only.
+
+Required properties:
+
+- compatible : "st,tda7802"
+- reg : the I2C address of the device
+- enable-supply : a regulator spec for the PLLen pin
+
+Optional properties:
+
+- st,gain-ch13 : gain for channels 1 and 3 (range: 1-4)
+- st,gain-ch24 : gain for channels 2 and 3 (range: 1-4)
+- st,diagnostic-mode-ch13 : diagnotic mode for channels 1 and 3
+                            values: "Speaker" (default), "Booster"
+- st,diagnostic-mode-ch24 : diagnotic mode for channels 2 and 4
+                            values: "Speaker" (default), "Booster"
+
+Example:
+
+amp: tda7802@6c {
+	compatible = "st,tda7802";
+	reg = <0x6c>;
+	enable-supply = <&amp_enable_reg>;
+};
-- 
2.21.0

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