diff options
Diffstat (limited to 'Documentation/devicetree/bindings/net/xilinx-tsn-ethernet.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/net/xilinx-tsn-ethernet.txt | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/xilinx-tsn-ethernet.txt b/Documentation/devicetree/bindings/net/xilinx-tsn-ethernet.txt new file mode 100644 index 000000000000..e66b64bc10e0 --- /dev/null +++ b/Documentation/devicetree/bindings/net/xilinx-tsn-ethernet.txt @@ -0,0 +1,54 @@ +Xilinx TSN (time sensitive networking) TEMAC axi ethernet driver (xilinx_axienet) +----------------------------------------------------------------------- + +Required properties: +- compatible : Should be "xlnx,tsn-ethernet-1.00.a". +- reg : Physical base address and size of the TSN registers map. +- interrupts : Property with a value describing the interrupt + number. +- interrupts-names : Property denotes the interrupt names. +- interrupt-parent : Must be core interrupt controller. +- phy-handle : See ethernet.txt file [1]. +- local-mac-address : See ethernet.txt file [1]. +- phy-mode : see ethernet.txt file [1]. + +Optional properties: +- xlnx,tsn : Denotes a ethernet with TSN capabilities. +- xlnx,tsn-slave : Denotes a TSN slave port. +- xlnx,txcsum : Tx checksum mode (Full, Partial and None). +- xlnx,rxcsum : Rx checksum mode (Full, Partial and None). +- xlnx,phy-type : Xilinx phy device type. See xilinx-phy.txt [2]. +- xlnx,eth-hasnobuf : Used when 1G MAC is configured in non-processor mode. +- xlnx,num-queue : Number of queue supported in current design, range is + 2 to 5 and default value is 5. +- xlnx,num-tc : Number of traffic class supported in current design, + range is 2,3 and default value is 3. It denotes + the traffic classes based on VLAN-PCP value. +- xlnx,qbv-addr : Denotes mac scheduler physical base address. +- xlnx,qbv-size : Denotes mac scheduler address space size. + +[1] Documentation/devicetree/bindings/net/ethernet.txt +[2] Documentation/devicetree/bindings/net/xilinx-phy.txt + +Example: + + tsn_emac_0: tsn_mac@80040000 { + compatible = "xlnx,tsn-ethernet-1.00.a"; + interrupt-parent = <&gic>; + interrupts = <0 104 4 0 106 4 0 91 4 0 110 4>; + interrupt-names = "interrupt_ptp_rx_1", "interrupt_ptp_tx_1", "mac_irq_1", "interrupt_ptp_timer"; + local-mac-address = [ 00 0A 35 00 01 0e ]; + phy-mode = "rgmii"; + reg = <0x0 0x80040000 0x0 0x14000>; + tsn,endpoint = <&tsn_ep>; + xlnx,tsn; + xlnx,tsn-slave; + xlnx,phy-type = <0x3>; + xlnx,eth-hasnobuf; + xlnx,num-queue = <0x2>; + xlnx,num-tc = <0x3>; + xlnx,qbv-addr = <0x80054000>; + xlnx,qbv-size = <0x2000>; + xlnx,txsum = <0>; + xlnx,rxsum = <0>; + }; |