Add the documentation for dt-binding of the analog audiocodec
driver for SUN8I SoC.
Signed-off-by: Mylène Josserand <mylene.josserand@xxxxxxxxxxxxxxxxxx>
---
.../devicetree/bindings/sound/sun8i-codec-analog.txt | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/sun8i-codec-analog.txt
diff --git a/Documentation/devicetree/bindings/sound/sun8i-codec-analog.txt b/Documentation/devicetree/bindings/sound/sun8i-codec-analog.txt
new file mode 100644
index 0000000..a03ec20
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/sun8i-codec-analog.txt
@@ -0,0 +1,20 @@
+* Allwinner A23/A33 Analog Codec
+
+This codec must be handled as a PRCM subnode.
+
+Required properties:
+- compatible: must be either "allwinner,sun8i-codec-analog"
+- interrupts: must contain the codec interrupt
+- clocks: a list of phandle + clock-specifer pairs, one for each entry
+ in clock-names.
+- clock-names: should contain followings:
+ - "apb": the parent APB clock for this controller
+ - "codec": the parent module clock
+
+Example, in your prcm subnode:
+codec_analog: codec_analog {
+ compatible = "allwinner,sun8i-codec-analog";
+ interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&ccu CLK_BUS_CODEC>, <&ccu CLK_AC_DIG>;
+ clock-names = "apb", "codec";
+};
--
2.9.3
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