sprd-pcm.txt

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    1 * Spreadtrum DMA platfrom bindings
    2 
    3 Required properties:
    4 - compatible: Should be "sprd,pcm-platform".
    5 - dmas: Specify the list of DMA controller phandle and DMA request line ordered pairs.
    6 - dma-names: Identifier string for each DMA request line in the dmas property.
    7   These strings correspond 1:1 with the ordered pairs in dmas.
    8 
    9 Example:
   10 
   11         audio_platform:platform@0 {
   12                 compatible = "sprd,pcm-platform";
   13                 dmas = <&agcp_dma 1 1>, <&agcp_dma 2 2>,
   14                      <&agcp_dma 3 3>, <&agcp_dma 4 4>,
   15                      <&agcp_dma 5 5>, <&agcp_dma 6 6>,
   16                      <&agcp_dma 7 7>, <&agcp_dma 8 8>,
   17                      <&agcp_dma 9 9>, <&agcp_dma 10 10>;
   18                 dma-names = "normal_p_l", "normal_p_r",
   19                         "normal_c_l", "normal_c_r",
   20                         "voice_c", "fast_p",
   21                         "loop_c", "loop_p",
   22                         "voip_c", "voip_p";
   23         };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/sound/sprd-pcm.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/sound/sprd-pcm.txt