xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/sound/sprd-pcm.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun* Spreadtrum DMA platfrom bindings
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired properties:
4*4882a593Smuzhiyun- compatible: Should be "sprd,pcm-platform".
5*4882a593Smuzhiyun- dmas: Specify the list of DMA controller phandle and DMA request line ordered pairs.
6*4882a593Smuzhiyun- dma-names: Identifier string for each DMA request line in the dmas property.
7*4882a593Smuzhiyun  These strings correspond 1:1 with the ordered pairs in dmas.
8*4882a593Smuzhiyun
9*4882a593SmuzhiyunExample:
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun	audio_platform:platform@0 {
12*4882a593Smuzhiyun		compatible = "sprd,pcm-platform";
13*4882a593Smuzhiyun		dmas = <&agcp_dma 1 1>, <&agcp_dma 2 2>,
14*4882a593Smuzhiyun		     <&agcp_dma 3 3>, <&agcp_dma 4 4>,
15*4882a593Smuzhiyun		     <&agcp_dma 5 5>, <&agcp_dma 6 6>,
16*4882a593Smuzhiyun		     <&agcp_dma 7 7>, <&agcp_dma 8 8>,
17*4882a593Smuzhiyun		     <&agcp_dma 9 9>, <&agcp_dma 10 10>;
18*4882a593Smuzhiyun		dma-names = "normal_p_l", "normal_p_r",
19*4882a593Smuzhiyun			"normal_c_l", "normal_c_r",
20*4882a593Smuzhiyun			"voice_c", "fast_p",
21*4882a593Smuzhiyun			"loop_c", "loop_p",
22*4882a593Smuzhiyun			"voip_c", "voip_p";
23*4882a593Smuzhiyun	};
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