The internal codec on Allwinner A64 is split into 2 parts. The analog path controls are routed through an embedded custom register bus accessed through the PRCM block just as on A23/A33/H3.
Add a binding for this hardware.
Signed-off-by: Vasily Khoruzhick anarsoul@gmail.com --- .../bindings/sound/sun50i-codec-analog.txt | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt
diff --git a/Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt b/Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt new file mode 100644 index 000000000000..4f8ad0e04d20 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt @@ -0,0 +1,12 @@ +* Allwinner A64 Codec Analog Controls + +Required properties: +- compatible: must be one of the following compatibles: + - "allwinner,sun50i-a64-codec-analog" +- reg: must contain the registers location and length + +Example: + codec_analog: codec-analog@1f015c0 { + compatible = "allwinner,sun50i-a64-codec-analog"; + reg = <0x01f015c0 0x4>; + };