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author | Maruthi Srinivas Bayyavarapu <maruthi.srinivas.bayyavarapu@xilinx.com> | 2018-12-21 11:57:27 +0300 |
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committer | Mark Brown <broonie@kernel.org> | 2019-01-03 19:34:20 +0300 |
commit | e3e12ec09a18ad779b637f4a006a908cb6045aa7 (patch) | |
tree | 8e2678e2302651af2f434a9354e25ae21239c7b8 /Documentation/devicetree/bindings/sound/xlnx,audio-formatter.txt | |
parent | c8ed6aca6b824018a39702a563f2f6591de20d64 (diff) | |
download | linux-e3e12ec09a18ad779b637f4a006a908cb6045aa7.tar.xz |
dt-bindings: ASoC: xlnx, audio-formatter: Document audio formatter bindings
Added documentation for audio formatter IP core DT bindings.
Signed-off-by: Maruthi Srinivas Bayyavarapu <maruthi.srinivas.bayyavarapu@xilinx.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/sound/xlnx,audio-formatter.txt')
-rw-r--r-- | Documentation/devicetree/bindings/sound/xlnx,audio-formatter.txt | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/xlnx,audio-formatter.txt b/Documentation/devicetree/bindings/sound/xlnx,audio-formatter.txt new file mode 100644 index 000000000000..cbc93c8f4963 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/xlnx,audio-formatter.txt @@ -0,0 +1,29 @@ +Device-Tree bindings for Xilinx PL audio formatter + +The IP core supports DMA, data formatting(AES<->PCM conversion) +of audio samples. + +Required properties: + - compatible: "xlnx,audio-formatter-1.0" + - interrupt-names: Names specified to list of interrupts in same + order mentioned under "interrupts". + List of supported interrupt names are: + "irq_mm2s" : interrupt from MM2S block + "irq_s2mm" : interrupt from S2MM block + - interrupts-parent: Phandle for interrupt controller. + - interrupts: List of Interrupt numbers. + - reg: Base address and size of the IP core instance. + - clock-names: List of input clocks. + Required elements: "s_axi_lite_aclk", "aud_mclk" + - clocks: Input clock specifier. Refer to common clock bindings. + +Example: + audio_ss_0_audio_formatter_0: audio_formatter@80010000 { + compatible = "xlnx,audio-formatter-1.0"; + interrupt-names = "irq_mm2s", "irq_s2mm"; + interrupt-parent = <&gic>; + interrupts = <0 104 4>, <0 105 4>; + reg = <0x0 0x80010000 0x0 0x1000>; + clock-names = "s_axi_lite_aclk", "aud_mclk"; + clocks = <&clk 71>, <&clk_wiz_1 0>; + }; |