xref: /linux/Documentation/devicetree/bindings/sound/xlnx,spdif.txt (revision 597473720f4dc69749542bfcfed4a927a43d935e)
1*2f00f771SMaruthi Srinivas BayyavarapuDevice-Tree bindings for Xilinx SPDIF IP
2*2f00f771SMaruthi Srinivas Bayyavarapu
3*2f00f771SMaruthi Srinivas BayyavarapuThe IP supports playback and capture of SPDIF audio
4*2f00f771SMaruthi Srinivas Bayyavarapu
5*2f00f771SMaruthi Srinivas BayyavarapuRequired properties:
6*2f00f771SMaruthi Srinivas Bayyavarapu - compatible: "xlnx,spdif-2.0"
7*2f00f771SMaruthi Srinivas Bayyavarapu - clock-names: List of input clocks.
8*2f00f771SMaruthi Srinivas Bayyavarapu   Required elements: "s_axi_aclk", "aud_clk_i"
9*2f00f771SMaruthi Srinivas Bayyavarapu - clocks: Input clock specifier. Refer to common clock bindings.
10*2f00f771SMaruthi Srinivas Bayyavarapu - reg: Base address and address length of the IP core instance.
11*2f00f771SMaruthi Srinivas Bayyavarapu - interrupts-parent: Phandle for interrupt controller.
12*2f00f771SMaruthi Srinivas Bayyavarapu - interrupts: List of Interrupt numbers.
13*2f00f771SMaruthi Srinivas Bayyavarapu - xlnx,spdif-mode: 0 :- receiver mode
14*2f00f771SMaruthi Srinivas Bayyavarapu		    1 :- transmitter mode
15*2f00f771SMaruthi Srinivas Bayyavarapu - xlnx,aud_clk_i: input audio clock value.
16*2f00f771SMaruthi Srinivas Bayyavarapu
17*2f00f771SMaruthi Srinivas BayyavarapuExample:
18*2f00f771SMaruthi Srinivas Bayyavarapu	spdif_0: spdif@80010000 {
19*2f00f771SMaruthi Srinivas Bayyavarapu		clock-names = "aud_clk_i", "s_axi_aclk";
20*2f00f771SMaruthi Srinivas Bayyavarapu		clocks = <&misc_clk_0>, <&clk 71>;
21*2f00f771SMaruthi Srinivas Bayyavarapu		compatible = "xlnx,spdif-2.0";
22*2f00f771SMaruthi Srinivas Bayyavarapu		interrupt-names = "spdif_interrupt";
23*2f00f771SMaruthi Srinivas Bayyavarapu		interrupt-parent = <&gic>;
24*2f00f771SMaruthi Srinivas Bayyavarapu		interrupts = <0 91 4>;
25*2f00f771SMaruthi Srinivas Bayyavarapu		reg = <0x0 0x80010000 0x0 0x10000>;
26*2f00f771SMaruthi Srinivas Bayyavarapu		xlnx,spdif-mode = <1>;
27*2f00f771SMaruthi Srinivas Bayyavarapu		xlnx,aud_clk_i = <49152913>;
28*2f00f771SMaruthi Srinivas Bayyavarapu	};
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