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-rw-r--r--Documentation/devicetree/bindings/sound/sun4i-codec.txt22
1 files changed, 20 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/sound/sun4i-codec.txt b/Documentation/devicetree/bindings/sound/sun4i-codec.txt
index 0dce690f78f5..bf480e9683a3 100644
--- a/Documentation/devicetree/bindings/sound/sun4i-codec.txt
+++ b/Documentation/devicetree/bindings/sound/sun4i-codec.txt
@@ -1,8 +1,10 @@
* Allwinner A10 Codec
Required properties:
-- compatible: must be either "allwinner,sun4i-a10-codec" or
- "allwinner,sun7i-a20-codec"
+- compatible: must be one of the following compatibles:
+ - "allwinner,sun4i-a10-codec"
+ - "allwinner,sun6i-a31-codec"
+ - "allwinner,sun7i-a20-codec"
- reg: must contain the registers location and length
- interrupts: must contain the codec interrupt
- dmas: DMA channels for tx and rx dma. See the DMA client binding,
@@ -17,6 +19,10 @@ Required properties:
Optional properties:
- allwinner,pa-gpios: gpio to enable external amplifier
+Required properties for the following compatibles:
+ - "allwinner,sun6i-a31-codec"
+- resets: phandle to the reset control for this device
+
Example:
codec: codec@01c22c00 {
#sound-dai-cells = <0>;
@@ -28,3 +34,15 @@ codec: codec@01c22c00 {
dmas = <&dma 0 19>, <&dma 0 19>;
dma-names = "rx", "tx";
};
+
+codec: codec@01c22c00 {
+ #sound-dai-cells = <0>;
+ compatible = "allwinner,sun6i-a31-codec";
+ reg = <0x01c22c00 0x98>;
+ interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&ccu CLK_APB1_CODEC>, <&ccu CLK_CODEC>;
+ clock-names = "apb", "codec";
+ resets = <&ccu RST_APB1_CODEC>;
+ dmas = <&dma 15>, <&dma 15>;
+ dma-names = "rx", "tx";
+};