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-rw-r--r--dts/Bindings/sound/tas571x.txt10
1 files changed, 8 insertions, 2 deletions
diff --git a/dts/Bindings/sound/tas571x.txt b/dts/Bindings/sound/tas571x.txt
index 0ac31d8d5a..b4959f10b7 100644
--- a/dts/Bindings/sound/tas571x.txt
+++ b/dts/Bindings/sound/tas571x.txt
@@ -1,4 +1,4 @@
-Texas Instruments TAS5711/TAS5717/TAS5719 stereo power amplifiers
+Texas Instruments TAS5711/TAS5717/TAS5719/TAS5721 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
@@ -6,7 +6,11 @@ powerdown (optional).
Required properties:
-- compatible: "ti,tas5711", "ti,tas5717", or "ti,tas5719"
+- compatible: should be one of the following:
+ - "ti,tas5711",
+ - "ti,tas5717",
+ - "ti,tas5719",
+ - "ti,tas5721"
- reg: The I2C address of the device
- #sound-dai-cells: must be equal to 0
@@ -25,6 +29,8 @@ Optional properties:
- PVDD_B-supply: regulator phandle for the PVDD_B supply (5711)
- PVDD_C-supply: regulator phandle for the PVDD_C supply (5711)
- PVDD_D-supply: regulator phandle for the PVDD_D supply (5711)
+- DRVDD-supply: regulator phandle for the DRVDD supply (5721)
+- PVDD-supply: regulator phandle for the PVDD supply (5721)
Example: