Add the documentation for dt-binding of the analog audiocodec driver for SUN8I SoC.
Signed-off-by: Mylène Josserand mylene.josserand@free-electrons.com --- .../devicetree/bindings/sound/sun8i-codec-analog.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/sun8i-codec-analog.txt
diff --git a/Documentation/devicetree/bindings/sound/sun8i-codec-analog.txt b/Documentation/devicetree/bindings/sound/sun8i-codec-analog.txt new file mode 100644 index 0000000..a03ec20 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/sun8i-codec-analog.txt @@ -0,0 +1,20 @@ +* Allwinner A23/A33 Analog Codec + +This codec must be handled as a PRCM subnode. + +Required properties: +- compatible: must be either "allwinner,sun8i-codec-analog" +- interrupts: must contain the codec interrupt +- 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 + +Example, in your prcm subnode: +codec_analog: codec_analog { + compatible = "allwinner,sun8i-codec-analog"; + interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&ccu CLK_BUS_CODEC>, <&ccu CLK_AC_DIG>; + clock-names = "apb", "codec"; +};