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[v5,4/9] ASoC: dt-binding: Add bindings for Allwinner A64 codec's analog path controls

Message ID 20181017073813.14127-5-anarsoul@gmail.com
State Not Applicable, archived
Headers show
Series Add support for audiocodec in Allwinner A64 | expand

Commit Message

Vasily Khoruzhick Oct. 17, 2018, 7:38 a.m. UTC 
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>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
---
 .../bindings/sound/sun50i-codec-analog.txt           | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/sun50i-codec-analog.txt
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Patch

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>;
+	};