sgtl5000 has two power supplies that are mandatory: VDDA and VDDIO.
VDDD is an optional supply and can be left unconnected and in this case an internal regulator is used.
Signed-off-by: Fabio Estevam fabio.estevam@freescale.com --- .../devicetree/bindings/sound/sgtl5000.txt | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/sgtl5000.txt b/Documentation/devicetree/bindings/sound/sgtl5000.txt index 9cc4444..3537a7d 100644 --- a/Documentation/devicetree/bindings/sound/sgtl5000.txt +++ b/Documentation/devicetree/bindings/sound/sgtl5000.txt @@ -5,9 +5,19 @@ Required properties:
- reg : the I2C address of the device
+- VDDA-supply: the regulator for VDDA supply + +- VDDIO-supply: the regulator for VDDIO supply + +Optional properties: + +- VDDD-supply: the regulator for VDDD supply + Example:
codec: sgtl5000@0a { compatible = "fsl,sgtl5000"; reg = <0x0a>; + VDDA-supply = <&vdda_reg>; + VDDIO-supply = <&vddio_reg>; };