Documentation/devicetree/bindings/serial/mrvl,pxa-ssp.txt

   1 Device tree bindings for Marvell PXA SSP ports
   2
   3 Required properties:
   4
   5         - compatible:   Must be one of
   6                                 mrvl,pxa25x-ssp
   7                                 mvrl,pxa25x-nssp
   8                                 mrvl,pxa27x-ssp
   9                                 mrvl,pxa3xx-ssp
  10                                 mvrl,pxa168-ssp
  11                                 mrvl,pxa910-ssp
  12                                 mrvl,ce4100-ssp
  13
  14         - reg:          The memory base
  15         - dmas:         Two dma phandles, one for rx, one for tx
  16         - dma-names:    Must be "rx", "tx"
  17
  18
  19 Example for PXA3xx:
  20
  21         ssp0: ssp@41000000 {
  22                 compatible = "mrvl,pxa3xx-ssp";
  23                 reg = <0x41000000 0x40>;
  24                 ssp-id = <1>;
  25                 interrupts = <24>;
  26                 clock-names = "pxa27x-ssp.0";
  27                 dmas = <&dma 13
  28                         &dma 14>;
  29                 dma-names = "rx", "tx";
  30         };
  31
  32         ssp1: ssp@41700000 {
  33                 compatible = "mrvl,pxa3xx-ssp";
  34                 reg = <0x41700000 0x40>;
  35                 ssp-id = <2>;
  36                 interrupts = <16>;
  37                 clock-names = "pxa27x-ssp.1";
  38                 dmas = <&dma 15
  39                         &dma 16>;
  40                 dma-names = "rx", "tx";
  41         };
  42
  43         ssp2: ssp@41900000 {
  44                 compatibl3 = "mrvl,pxa3xx-ssp";
  45                 reg = <0x41900000 0x40>;
  46                 ssp-id = <3>;
  47                 interrupts = <0>;
  48                 clock-names = "pxa27x-ssp.2";
  49                 dmas = <&dma 66
  50                         &dma 67>;
  51                 dma-names = "rx", "tx";
  52         };
  53
  54         ssp3: ssp@41a00000 {
  55                 compatible = "mrvl,pxa3xx-ssp";
  56                 reg = <0x41a00000 0x40>;
  57                 ssp-id = <4>;
  58                 interrupts = <13>;
  59                 clock-names = "pxa27x-ssp.3";
  60                 dmas = <&dma 2
  61                         &dma 3>;
  62                 dma-names = "rx", "tx";
  63         };
  64