hisilicon-hns-roce.txt

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    1 Hisilicon RoCE DT description
    2 
    3 Hisilicon RoCE engine is a part of network subsystem.
    4 It works depending on other part of network subsystem, such as gmac and
    5 dsa fabric.
    6 
    7 Additional properties are described here:
    8 
    9 Required properties:
   10 - compatible: Should contain "hisilicon,hns-roce-v1".
   11 - reg: Physical base address of the RoCE driver and
   12 length of memory mapped region.
   13 - eth-handle: phandle, specifies a reference to a node
   14 representing a ethernet device.
   15 - dsaf-handle: phandle, specifies a reference to a node
   16 representing a dsaf device.
   17 - node_guid: a number that uniquely identifies a device or component
   18 - #address-cells: must be 2
   19 - #size-cells: must be 2
   20 Optional properties:
   21 - dma-coherent: Present if DMA operations are coherent.
   22 - interrupts: should contain 32 completion event irq,1 async event irq
   23 and 1 event overflow irq.
   24 - interrupt-names:should be one of 34 irqs for roce device
   25   - hns-roce-comp-0 ~ hns-roce-comp-31: 32 complete event irq
   26   - hns-roce-async: 1 async event irq
   27   - hns-roce-common: named common exception warning irq
   28 Example:
   29         infiniband@c4000000 {
   30                         compatible = "hisilicon,hns-roce-v1";
   31                         reg = <0x0 0xc4000000 0x0 0x100000>;
   32                         dma-coherent;
   33                         eth-handle = <&eth2 &eth3 &eth4 &eth5 &eth6 &eth7>;
   34                         dsaf-handle = <&soc0_dsa>;
   35                         node-guid = [00 9A CD 00 00 01 02 03];
   36                         #address-cells = <2>;
   37                         #size-cells = <2>;
   38                         interrupt-parent = <&mbigen_dsa>;
   39                         interrupts = <722 1>,
   40                                         <723 1>,
   41                                         <724 1>,
   42                                         <725 1>,
   43                                         <726 1>,
   44                                         <727 1>,
   45                                         <728 1>,
   46                                         <729 1>,
   47                                         <730 1>,
   48                                         <731 1>,
   49                                         <732 1>,
   50                                         <733 1>,
   51                                         <734 1>,
   52                                         <735 1>,
   53                                         <736 1>,
   54                                         <737 1>,
   55                                         <738 1>,
   56                                         <739 1>,
   57                                         <740 1>,
   58                                         <741 1>,
   59                                         <742 1>,
   60                                         <743 1>,
   61                                         <744 1>,
   62                                         <745 1>,
   63                                         <746 1>,
   64                                         <747 1>,
   65                                         <748 1>,
   66                                         <749 1>,
   67                                         <750 1>,
   68                                         <751 1>,
   69                                         <752 1>,
   70                                         <753 1>,
   71                                         <785 1>,
   72                                         <754 4>;
   73 
   74                         interrupt-names = "hns-roce-comp-0",
   75                                         "hns-roce-comp-1",
   76                                         "hns-roce-comp-2",
   77                                         "hns-roce-comp-3",
   78                                         "hns-roce-comp-4",
   79                                         "hns-roce-comp-5",
   80                                         "hns-roce-comp-6",
   81                                         "hns-roce-comp-7",
   82                                         "hns-roce-comp-8",
   83                                         "hns-roce-comp-9",
   84                                         "hns-roce-comp-10",
   85                                         "hns-roce-comp-11",
   86                                         "hns-roce-comp-12",
   87                                         "hns-roce-comp-13",
   88                                         "hns-roce-comp-14",
   89                                         "hns-roce-comp-15",
   90                                         "hns-roce-comp-16",
   91                                         "hns-roce-comp-17",
   92                                         "hns-roce-comp-18",
   93                                         "hns-roce-comp-19",
   94                                         "hns-roce-comp-20",
   95                                         "hns-roce-comp-21",
   96                                         "hns-roce-comp-22",
   97                                         "hns-roce-comp-23",
   98                                         "hns-roce-comp-24",
   99                                         "hns-roce-comp-25",
  100                                         "hns-roce-comp-26",
  101                                         "hns-roce-comp-27",
  102                                         "hns-roce-comp-28",
  103                                         "hns-roce-comp-29",
  104                                         "hns-roce-comp-30",
  105                                         "hns-roce-comp-31",
  106                                         "hns-roce-async",
  107                                         "hns-roce-common";
  108                 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/infiniband/hisilicon-hns-roce.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/infiniband/hisilicon-hns-roce.txt