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Subject[PATCH 09/14] dt-bindings: sound: Add sun8i codec documentation
Date
Add the documentation for dt-binding of the digital audio codec driver
for sun8i SoC.

Signed-off-by: Mylène Josserand <mylene.josserand@free-electrons.com>
---
.../devicetree/bindings/sound/sun8i-codec.txt | 24 ++++++++++++++++++++++
1 file changed, 24 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/sun8i-codec.txt

diff --git a/Documentation/devicetree/bindings/sound/sun8i-codec.txt b/Documentation/devicetree/bindings/sound/sun8i-codec.txt
new file mode 100644
index 0000000..1808869
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/sun8i-codec.txt
@@ -0,0 +1,24 @@
+* Allwinner A23/A33 Codec
+
+Required properties:
+- compatible: must be either "allwinner,sun4i-a23-codec" or
+ "allwinner,sun7i-a33-codec"
+- reg: must contain the registers location and length
+- 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:
+codec: codec@01c22e00 {
+ #sound-dai-cells = <0>;
+ compatible = "allwinner,sun8i-a33-codec";
+ reg = <0x01c22e00 0x400>; /* SUNXI_AUDIO_PBASE + 0x200 */
+ reg-names = "audio";
+ interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&ccu CLK_BUS_CODEC>, <&ccu CLK_AC_DIG>;
+ clock-names = "apb", "codec";
+ status = "disabled";
+};
--
2.9.3
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