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- * Allwinner A10 Codec
- Required properties:
- - compatible: must be either "allwinner,sun4i-a10-codec" or
- "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,
- Documentation/devicetree/bindings/dma/dma.txt
- - dma-names: should include "tx" and "rx".
- - 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
- Optional properties:
- - allwinner,pa-gpios: gpio to enable external amplifier
- Example:
- codec: codec@01c22c00 {
- #sound-dai-cells = <0>;
- compatible = "allwinner,sun7i-a20-codec";
- reg = <0x01c22c00 0x40>;
- interrupts = <0 30 4>;
- clocks = <&apb0_gates 0>, <&codec_clk>;
- clock-names = "apb", "codec";
- dmas = <&dma 0 19>, <&dma 0 19>;
- dma-names = "rx", "tx";
- };
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