| * 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"; |
| }; |
