diff options
| author | Maxime Ripard <maxime.ripard@free-electrons.com> | 2015-09-12 15:26:23 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-09-16 20:18:37 +0100 |
| commit | 4ec73d3c81be5a401546afc6628aaf8add253ff1 (patch) | |
| tree | d8154e739ca64dbce1d08193953ee288b328b70d | |
| parent | 6ff33f3902c3b1c5d0db6b1e2c70b6d76fba357f (diff) | |
ASoC: sunxi: Add the Allwinner A10 codec bindings
The Allwinner SoCs have an in-SoC audio controller taking the role of a DAI
and a codec.
Add the binding documentation for that controller on the A10.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | Documentation/devicetree/bindings/sound/sun4i-codec.txt | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/sun4i-codec.txt b/Documentation/devicetree/bindings/sound/sun4i-codec.txt new file mode 100644 index 000000000000..680144b74ae9 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/sun4i-codec.txt @@ -0,0 +1,33 @@ +* 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 +- 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. + + +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"; + routing = "Headphone Jack", "HP Right", + "Headphone Jack", "HP Left"; +}; |