kernel/Documentation/devicetree/bindings/net/can/xilinx_can.txt

   1 Xilinx Axi CAN/Zynq CANPS controller Device Tree Bindings
   2 ---------------------------------------------------------
   3
   4 Required properties:
   5 - compatible            : Should be "xlnx,zynq-can-1.0" for Zynq CAN
   6                           controllers and "xlnx,axi-can-1.00.a" for Axi CAN
   7                           controllers.
   8 - reg                   : Physical base address and size of the Axi CAN/Zynq
   9                           CANPS registers map.
  10 - interrupts            : Property with a value describing the interrupt
  11                           number.
  12 - interrupt-parent      : Must be core interrupt controller
  13 - clock-names           : List of input clock names - "can_clk", "pclk"
  14                           (For CANPS), "can_clk" , "s_axi_aclk"(For AXI CAN)
  15                           (See clock bindings for details).
  16 - clocks                : Clock phandles (see clock bindings for details).
  17 - tx-fifo-depth         : Can Tx fifo depth.
  18 - rx-fifo-depth         : Can Rx fifo depth.
  19
  20
  21 Example:
  22
  23 For Zynq CANPS Dts file:
  24         zynq_can_0: can@e0008000 {
  25                         compatible = "xlnx,zynq-can-1.0";
  26                         clocks = <&clkc 19>, <&clkc 36>;
  27                         clock-names = "can_clk", "pclk";
  28                         reg = <0xe0008000 0x1000>;
  29                         interrupts = <0 28 4>;
  30                         interrupt-parent = <&intc>;
  31                         tx-fifo-depth = <0x40>;
  32                         rx-fifo-depth = <0x40>;
  33                 };
  34 For Axi CAN Dts file:
  35         axi_can_0: axi-can@40000000 {
  36                         compatible = "xlnx,axi-can-1.00.a";
  37                         clocks = <&clkc 0>, <&clkc 1>;
  38                         clock-names = "can_clk","s_axi_aclk" ;
  39                         reg = <0x40000000 0x10000>;
  40                         interrupt-parent = <&intc>;
  41                         interrupts = <0 59 1>;
  42                         tx-fifo-depth = <0x40>;
  43                         rx-fifo-depth = <0x40>;
  44                 };