xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/serial/mrvl,pxa-ssp.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunDevice tree bindings for Marvell PXA SSP ports
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired properties:
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun	- compatible:	Must be one of
6*4882a593Smuzhiyun				mrvl,pxa25x-ssp
7*4882a593Smuzhiyun				mvrl,pxa25x-nssp
8*4882a593Smuzhiyun				mrvl,pxa27x-ssp
9*4882a593Smuzhiyun				mrvl,pxa3xx-ssp
10*4882a593Smuzhiyun				mvrl,pxa168-ssp
11*4882a593Smuzhiyun				mrvl,pxa910-ssp
12*4882a593Smuzhiyun				mrvl,ce4100-ssp
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun	- reg:		The memory base
15*4882a593Smuzhiyun	- dmas:		Two dma phandles, one for rx, one for tx
16*4882a593Smuzhiyun	- dma-names:	Must be "rx", "tx"
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18*4882a593Smuzhiyun
19*4882a593SmuzhiyunExample for PXA3xx:
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun	ssp0: ssp@41000000 {
22*4882a593Smuzhiyun		compatible = "mrvl,pxa3xx-ssp";
23*4882a593Smuzhiyun		reg = <0x41000000 0x40>;
24*4882a593Smuzhiyun		ssp-id = <1>;
25*4882a593Smuzhiyun		interrupts = <24>;
26*4882a593Smuzhiyun		clock-names = "pxa27x-ssp.0";
27*4882a593Smuzhiyun		dmas = <&dma 13
28*4882a593Smuzhiyun			&dma 14>;
29*4882a593Smuzhiyun		dma-names = "rx", "tx";
30*4882a593Smuzhiyun	};
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun	ssp1: ssp@41700000 {
33*4882a593Smuzhiyun		compatible = "mrvl,pxa3xx-ssp";
34*4882a593Smuzhiyun		reg = <0x41700000 0x40>;
35*4882a593Smuzhiyun		ssp-id = <2>;
36*4882a593Smuzhiyun		interrupts = <16>;
37*4882a593Smuzhiyun		clock-names = "pxa27x-ssp.1";
38*4882a593Smuzhiyun		dmas = <&dma 15
39*4882a593Smuzhiyun			&dma 16>;
40*4882a593Smuzhiyun		dma-names = "rx", "tx";
41*4882a593Smuzhiyun	};
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun	ssp2: ssp@41900000 {
44*4882a593Smuzhiyun		compatibl3 = "mrvl,pxa3xx-ssp";
45*4882a593Smuzhiyun		reg = <0x41900000 0x40>;
46*4882a593Smuzhiyun		ssp-id = <3>;
47*4882a593Smuzhiyun		interrupts = <0>;
48*4882a593Smuzhiyun		clock-names = "pxa27x-ssp.2";
49*4882a593Smuzhiyun		dmas = <&dma 66
50*4882a593Smuzhiyun			&dma 67>;
51*4882a593Smuzhiyun		dma-names = "rx", "tx";
52*4882a593Smuzhiyun	};
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun	ssp3: ssp@41a00000 {
55*4882a593Smuzhiyun		compatible = "mrvl,pxa3xx-ssp";
56*4882a593Smuzhiyun		reg = <0x41a00000 0x40>;
57*4882a593Smuzhiyun		ssp-id = <4>;
58*4882a593Smuzhiyun		interrupts = <13>;
59*4882a593Smuzhiyun		clock-names = "pxa27x-ssp.3";
60*4882a593Smuzhiyun		dmas = <&dma 2
61*4882a593Smuzhiyun			&dma 3>;
62*4882a593Smuzhiyun		dma-names = "rx", "tx";
63*4882a593Smuzhiyun	};
64*4882a593Smuzhiyun
65