xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/sound/zte,tdm.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunZTE TDM DAI driver
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired properties:
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun- compatible : should be one of the following.
6*4882a593Smuzhiyun       * zte,zx296718-tdm
7*4882a593Smuzhiyun- reg : physical base address of the controller and length of memory mapped
8*4882a593Smuzhiyun    region.
9*4882a593Smuzhiyun- clocks : Pairs of phandle and specifier referencing the controller's clocks.
10*4882a593Smuzhiyun- clock-names: "wclk" for the wclk.
11*4882a593Smuzhiyun               "pclk" for the pclk.
12*4882a593Smuzhiyun-#clock-cells: should be 1.
13*4882a593Smuzhiyun- zte,tdm-dma-sysctrl : Reference to the sysctrl controller controlling
14*4882a593Smuzhiyun    the dma. includes:
15*4882a593Smuzhiyun	phandle of sysctrl.
16*4882a593Smuzhiyun	register offset in sysctrl for control dma.
17*4882a593Smuzhiyun	mask of the register that be written to sysctrl.
18*4882a593Smuzhiyun
19*4882a593SmuzhiyunExample:
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun	tdm: tdm@1487000 {
22*4882a593Smuzhiyun		compatible = "zte,zx296718-tdm";
23*4882a593Smuzhiyun		reg = <0x01487000 0x1000>;
24*4882a593Smuzhiyun		clocks = <&audiocrm AUDIO_TDM_WCLK>, <&audiocrm AUDIO_TDM_PCLK>;
25*4882a593Smuzhiyun		clock-names = "wclk", "pclk";
26*4882a593Smuzhiyun		#clock-cells = <1>;
27*4882a593Smuzhiyun		pinctrl-names = "default";
28*4882a593Smuzhiyun		pinctrl-0 = <&tdm_global_pin>;
29*4882a593Smuzhiyun		zte,tdm-dma-sysctrl = <&sysctrl 0x10c 4>;
30*4882a593Smuzhiyun	};
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