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                                 mrvl,lpss-ssp
  14
  15         - reg:          The memory base
  16         - dmas:         Two dma phandles, one for rx, one for tx
  17         - dma-names:    Must be "rx", "tx"
  18
  19
  20 Example for PXA3xx:
  21
  22         ssp0: ssp@41000000 {
  23                 compatible = "mrvl,pxa3xx-ssp";
  24                 reg = <0x41000000 0x40>;
  25                 ssp-id = <1>;
  26                 interrupts = <24>;
  27                 clock-names = "pxa27x-ssp.0";
  28                 dmas = <&dma 13
  29                         &dma 14>;
  30                 dma-names = "rx", "tx";
  31         };
  32
  33         ssp1: ssp@41700000 {
  34                 compatible = "mrvl,pxa3xx-ssp";
  35                 reg = <0x41700000 0x40>;
  36                 ssp-id = <2>;
  37                 interrupts = <16>;
  38                 clock-names = "pxa27x-ssp.1";
  39                 dmas = <&dma 15
  40                         &dma 16>;
  41                 dma-names = "rx", "tx";
  42         };
  43
  44         ssp2: ssp@41900000 {
  45                 compatibl3 = "mrvl,pxa3xx-ssp";
  46                 reg = <0x41900000 0x40>;
  47                 ssp-id = <3>;
  48                 interrupts = <0>;
  49                 clock-names = "pxa27x-ssp.2";
  50                 dmas = <&dma 66
  51                         &dma 67>;
  52                 dma-names = "rx", "tx";
  53         };
  54
  55         ssp3: ssp@41a00000 {
  56                 compatible = "mrvl,pxa3xx-ssp";
  57                 reg = <0x41a00000 0x40>;
  58                 ssp-id = <4>;
  59                 interrupts = <13>;
  60                 clock-names = "pxa27x-ssp.3";
  61                 dmas = <&dma 2
  62                         &dma 3>;
  63                 dma-names = "rx", "tx";
  64         };
  65