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[sfrench/cifs-2.6.git] / Documentation / devicetree / bindings / sound / zte,tdm.txt
1 ZTE TDM DAI driver
2
3 Required properties:
4
5 - compatible : should be one of the following.
6        * zte,zx296718-tdm
7 - reg : physical base address of the controller and length of memory mapped
8     region.
9 - clocks : Pairs of phandle and specifier referencing the controller's clocks.
10 - clock-names: "wclk" for the wclk.
11                "pclk" for the pclk.
12 -#clock-cells: should be 1.
13 - zte,tdm-dma-sysctrl : Reference to the sysctrl controller controlling
14     the dma. includes:
15         phandle of sysctrl.
16         register offset in sysctrl for control dma.
17         mask of the register that be written to sysctrl.
18
19 Example:
20
21         tdm: tdm@1487000 {
22                 compatible = "zte,zx296718-tdm";
23                 reg = <0x01487000 0x1000>;
24                 clocks = <&audiocrm AUDIO_TDM_WCLK>, <&audiocrm AUDIO_TDM_PCLK>;
25                 clock-names = "wclk", "pclk";
26                 #clock-cells = <1>;
27                 pinctrl-names = "default";
28                 pinctrl-0 = <&tdm_global_pin>;
29                 zte,tdm-dma-sysctrl = <&sysctrl 0x10c 4>;
30         };