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-rw-r--r--dts/Bindings/sound/sun4i-codec.txt65
1 files changed, 63 insertions, 2 deletions
diff --git a/dts/Bindings/sound/sun4i-codec.txt b/dts/Bindings/sound/sun4i-codec.txt
index 0dce690f78..3033bd8aab 100644
--- a/dts/Bindings/sound/sun4i-codec.txt
+++ b/dts/Bindings/sound/sun4i-codec.txt
@@ -1,8 +1,12 @@
* 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"
+ - "allwinner,sun8i-a23-codec"
+ - "allwinner,sun8i-h3-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 +21,43 @@ Required properties:
Optional properties:
- allwinner,pa-gpios: gpio to enable external amplifier
+Required properties for the following compatibles:
+ - "allwinner,sun6i-a31-codec"
+ - "allwinner,sun8i-a23-codec"
+ - "allwinner,sun8i-h3-codec"
+- resets: phandle to the reset control for this device
+- allwinner,audio-routing: A list of the connections between audio components.
+ Each entry is a pair of strings, the first being the
+ connection's sink, the second being the connection's
+ source. Valid names include:
+
+ Audio pins on the SoC:
+ "HP"
+ "HPCOM"
+ "LINEIN"
+ "LINEOUT" (not on sun8i-a23)
+ "MIC1"
+ "MIC2"
+ "MIC3" (sun6i-a31 only)
+
+ Microphone biases from the SoC:
+ "HBIAS"
+ "MBIAS"
+
+ Board connectors:
+ "Headphone"
+ "Headset Mic"
+ "Line In"
+ "Line Out"
+ "Mic"
+ "Speaker"
+
+Required properties for the following compatibles:
+ - "allwinner,sun8i-a23-codec"
+ - "allwinner,sun8i-h3-codec"
+- allwinner,codec-analog-controls: A phandle to the codec analog controls
+ block in the PRCM.
+
Example:
codec: codec@01c22c00 {
#sound-dai-cells = <0>;
@@ -28,3 +69,23 @@ 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";
+ allwinner,audio-routing =
+ "Headphone", "HP",
+ "Speaker", "LINEOUT",
+ "LINEIN", "Line In",
+ "MIC1", "MBIAS",
+ "MIC1", "Mic",
+ "MIC2", "HBIAS",
+ "MIC2", "Headset Mic";
+};