On the Allwinner A64 SoC, the audio codec has a built-in headphone
amplifier. This amplifier has a power supply separate from the rest of
the analog audio circuitry.

Add a regulator supply property to handle this.

Signed-off-by: Chen-Yu Tsai <[email protected]>
---
 Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt 
b/Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt
index 4f8ad0e04d20..056a098495cc 100644
--- a/Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt
+++ b/Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt
@@ -4,9 +4,11 @@ Required properties:
 - compatible: must be one of the following compatibles:
                - "allwinner,sun50i-a64-codec-analog"
 - reg: must contain the registers location and length
+- cpvdd-supply: Regulator supply for the headphone amplifier
 
 Example:
        codec_analog: codec-analog@1f015c0 {
                compatible = "allwinner,sun50i-a64-codec-analog";
                reg = <0x01f015c0 0x4>;
+               cpvdd-supply = <&reg_eldo1>;
        };
-- 
2.19.1

-- 
You received this message because you are subscribed to the Google Groups 
"linux-sunxi" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
For more options, visit https://groups.google.com/d/optout.

Reply via email to