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-rw-r--r--dts/Bindings/sound/rt5682.txt22
1 files changed, 22 insertions, 0 deletions
diff --git a/dts/Bindings/sound/rt5682.txt b/dts/Bindings/sound/rt5682.txt
index cd8c53d849..5e1d08de18 100644
--- a/dts/Bindings/sound/rt5682.txt
+++ b/dts/Bindings/sound/rt5682.txt
@@ -8,6 +8,21 @@ Required properties:
- reg : The I2C address of the device.
+- AVDD-supply: phandle to the regulator supplying analog power through the
+ AVDD pin
+
+- MICVDD-supply: phandle to the regulator supplying power for the microphone
+ bias through the MICVDD pin. Either MICVDD or VBAT should be present.
+
+- VBAT-supply: phandle to the regulator supplying battery power through the
+ VBAT pin. Either MICVDD or VBAT should be present.
+
+- DBVDD-supply: phandle to the regulator supplying I/O power through the DBVDD
+ pin.
+
+- LDO1-IN-supply: phandle to the regulator supplying power to the digital core
+ and charge pump through the LDO1_IN pin.
+
Optional properties:
- interrupts : The CODEC's interrupt output.
@@ -46,6 +61,8 @@ Optional properties:
- realtek,dmic-clk-driving-high : Set the high driving of the DMIC clock out.
+- #sound-dai-cells: Should be set to '<1>'.
+
Pins on the device (for linking into audio routes) for RT5682:
* DMIC L1
@@ -73,4 +90,9 @@ rt5682 {
clocks = <&osc>;
clock-names = "mclk";
+
+ AVDD-supply = <&avdd_reg>;
+ MICVDD-supply = <&micvdd_reg>;
+ DBVDD-supply = <&dbvdd_reg>;
+ LDO1-IN-supply = <&ldo1_in_reg>;
};