The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/serial/mrvl,pxa-ssp.txt

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    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

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