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| -rw-r--r-- | Documentation/devicetree/bindings/net/xilinx_axienet.txt | 101 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/net/xlnx,axi-ethernet.yaml | 183 | ||||
| -rw-r--r-- | MAINTAINERS | 1 |
3 files changed, 184 insertions, 101 deletions
diff --git a/Documentation/devicetree/bindings/net/xilinx_axienet.txt b/Documentation/devicetree/bindings/net/xilinx_axienet.txt deleted file mode 100644 index 80e505a2fda1..000000000000 --- a/Documentation/devicetree/bindings/net/xilinx_axienet.txt +++ /dev/null @@ -1,101 +0,0 @@ -XILINX AXI ETHERNET Device Tree Bindings --------------------------------------------------------- - -Also called AXI 1G/2.5G Ethernet Subsystem, the xilinx axi ethernet IP core -provides connectivity to an external ethernet PHY supporting different -interfaces: MII, GMII, RGMII, SGMII, 1000BaseX. It also includes two -segments of memory for buffering TX and RX, as well as the capability of -offloading TX/RX checksum calculation off the processor. - -Management configuration is done through the AXI interface, while payload is -sent and received through means of an AXI DMA controller. This driver -includes the DMA driver code, so this driver is incompatible with AXI DMA -driver. - -For more details about mdio please refer phy.txt file in the same directory. - -Required properties: -- compatible : Must be one of "xlnx,axi-ethernet-1.00.a", - "xlnx,axi-ethernet-1.01.a", "xlnx,axi-ethernet-2.01.a" -- reg : Address and length of the IO space, as well as the address - and length of the AXI DMA controller IO space, unless - axistream-connected is specified, in which case the reg - attribute of the node referenced by it is used. -- interrupts : Should be a list of 2 or 3 interrupts: TX DMA, RX DMA, - and optionally Ethernet core. If axistream-connected is - specified, the TX/RX DMA interrupts should be on that node - instead, and only the Ethernet core interrupt is optionally - specified here. -- phy-handle : Should point to the external phy device if exists. Pointing - this to the PCS/PMA PHY is deprecated and should be avoided. - See ethernet.txt file in the same directory. -- xlnx,rxmem : Set to allocated memory buffer for Rx/Tx in the hardware - -Optional properties: -- phy-mode : See ethernet.txt -- xlnx,phy-type : Deprecated, do not use, but still accepted in preference - to phy-mode. -- xlnx,txcsum : 0 or empty for disabling TX checksum offload, - 1 to enable partial TX checksum offload, - 2 to enable full TX checksum offload -- xlnx,rxcsum : Same values as xlnx,txcsum but for RX checksum offload -- xlnx,switch-x-sgmii : Boolean to indicate the Ethernet core is configured to - support both 1000BaseX and SGMII modes. If set, the phy-mode - should be set to match the mode selected on core reset (i.e. - by the basex_or_sgmii core input line). -- clock-names: Tuple listing input clock names. Possible clocks: - s_axi_lite_clk: Clock for AXI register slave interface - axis_clk: AXI4-Stream clock for TXD RXD TXC and RXS interfaces - ref_clk: Ethernet reference clock, used by signal delay - primitives and transceivers - mgt_clk: MGT reference clock (used by optional internal - PCS/PMA PHY) - - Note that if s_axi_lite_clk is not specified by name, the - first clock of any name is used for this. If that is also not - specified, the clock rate is auto-detected from the CPU clock - (but only on platforms where this is possible). New device - trees should specify all applicable clocks by name - the - fallbacks to an unnamed clock or to CPU clock are only for - backward compatibility. -- clocks: Phandles to input clocks matching clock-names. Refer to common - clock bindings. -- axistream-connected: Reference to another node which contains the resources - for the AXI DMA controller used by this device. - If this is specified, the DMA-related resources from that - device (DMA registers and DMA TX/RX interrupts) rather - than this one will be used. - - mdio : Child node for MDIO bus. Must be defined if PHY access is - required through the core's MDIO interface (i.e. always, - unless the PHY is accessed through a different bus). - Non-standard MDIO bus frequency is supported via - "clock-frequency", see mdio.yaml. - - - pcs-handle: Phandle to the internal PCS/PMA PHY in SGMII or 1000Base-X - modes, where "pcs-handle" should be used to point - to the PCS/PMA PHY, and "phy-handle" should point to an - external PHY if exists. - -Example: - axi_ethernet_eth: ethernet@40c00000 { - compatible = "xlnx,axi-ethernet-1.00.a"; - device_type = "network"; - interrupt-parent = <µblaze_0_axi_intc>; - interrupts = <2 0 1>; - clock-names = "s_axi_lite_clk", "axis_clk", "ref_clk", "mgt_clk"; - clocks = <&axi_clk>, <&axi_clk>, <&pl_enet_ref_clk>, <&mgt_clk>; - phy-mode = "mii"; - reg = <0x40c00000 0x40000 0x50c00000 0x40000>; - xlnx,rxcsum = <0x2>; - xlnx,rxmem = <0x800>; - xlnx,txcsum = <0x2>; - phy-handle = <&phy0>; - axi_ethernetlite_0_mdio: mdio { - #address-cells = <1>; - #size-cells = <0>; - phy0: phy@0 { - device_type = "ethernet-phy"; - reg = <1>; - }; - }; - }; diff --git a/Documentation/devicetree/bindings/net/xlnx,axi-ethernet.yaml b/Documentation/devicetree/bindings/net/xlnx,axi-ethernet.yaml new file mode 100644 index 000000000000..1d33d80af11c --- /dev/null +++ b/Documentation/devicetree/bindings/net/xlnx,axi-ethernet.yaml @@ -0,0 +1,183 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/xlnx,axi-ethernet.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: AXI 1G/2.5G Ethernet Subsystem + +description: | + Also called AXI 1G/2.5G Ethernet Subsystem, the xilinx axi ethernet IP core + provides connectivity to an external ethernet PHY supporting different + interfaces: MII, GMII, RGMII, SGMII, 1000BaseX. It also includes two + segments of memory for buffering TX and RX, as well as the capability of + offloading TX/RX checksum calculation off the processor. + + Management configuration is done through the AXI interface, while payload is + sent and received through means of an AXI DMA controller. This driver + includes the DMA driver code, so this driver is incompatible with AXI DMA + driver. + +maintainers: + - Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com> + +properties: + compatible: + enum: + - xlnx,axi-ethernet-1.00.a + - xlnx,axi-ethernet-1.01.a + - xlnx,axi-ethernet-2.01.a + + reg: + description: + Address and length of the IO space, as well as the address + and length of the AXI DMA controller IO space, unless + axistream-connected is specified, in which case the reg + attribute of the node referenced by it is used. + maxItems: 2 + + interrupts: + items: + - description: Ethernet core interrupt + - description: Tx DMA interrupt + - description: Rx DMA interrupt + description: + Ethernet core interrupt is optional. If axistream-connected property is + present DMA node should contains TX/RX DMA interrupts else DMA interrupt + resources are mentioned on ethernet node. + minItems: 1 + + phy-handle: true + + xlnx,rxmem: + description: + Set to allocated memory buffer for Rx/Tx in the hardware. + $ref: /schemas/types.yaml#/definitions/uint32 + + phy-mode: + enum: + - mii + - gmii + - rgmii + - sgmii + - 1000BaseX + + xlnx,phy-type: + description: + Do not use, but still accepted in preference to phy-mode. + deprecated: true + $ref: /schemas/types.yaml#/definitions/uint32 + + xlnx,txcsum: + description: + TX checksum offload. 0 or empty for disabling TX checksum offload, + 1 to enable partial TX checksum offload and 2 to enable full TX + checksum offload. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2] + + xlnx,rxcsum: + description: + RX checksum offload. 0 or empty for disabling RX checksum offload, + 1 to enable partial RX checksum offload and 2 to enable full RX + checksum offload. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2] + + xlnx,switch-x-sgmii: + type: boolean + description: + Indicate the Ethernet core is configured to support both 1000BaseX and + SGMII modes. If set, the phy-mode should be set to match the mode + selected on core reset (i.e. by the basex_or_sgmii core input line). + + clocks: + items: + - description: Clock for AXI register slave interface. + - description: AXI4-Stream clock for TXD RXD TXC and RXS interfaces. + - description: Ethernet reference clock, used by signal delay primitives + and transceivers. + - description: MGT reference clock (used by optional internal PCS/PMA PHY) + + clock-names: + items: + - const: s_axi_lite_clk + - const: axis_clk + - const: ref_clk + - const: mgt_clk + + axistream-connected: + $ref: /schemas/types.yaml#/definitions/phandle + description: Phandle of AXI DMA controller which contains the resources + used by this device. If this is specified, the DMA-related resources + from that device (DMA registers and DMA TX/RX interrupts) rather than + this one will be used. + + mdio: + type: object + + pcs-handle: + description: Phandle to the internal PCS/PMA PHY in SGMII or 1000Base-X + modes, where "pcs-handle" should be used to point to the PCS/PMA PHY, + and "phy-handle" should point to an external PHY if exists. + maxItems: 1 + +required: + - compatible + - interrupts + - reg + - xlnx,rxmem + - phy-handle + +allOf: + - $ref: /schemas/net/ethernet-controller.yaml# + +additionalProperties: false + +examples: + - | + axi_ethernet_eth: ethernet@40c00000 { + compatible = "xlnx,axi-ethernet-1.00.a"; + interrupts = <2 0 1>; + clock-names = "s_axi_lite_clk", "axis_clk", "ref_clk", "mgt_clk"; + clocks = <&axi_clk>, <&axi_clk>, <&pl_enet_ref_clk>, <&mgt_clk>; + phy-mode = "mii"; + reg = <0x40c00000 0x40000>,<0x50c00000 0x40000>; + xlnx,rxcsum = <0x2>; + xlnx,rxmem = <0x800>; + xlnx,txcsum = <0x2>; + phy-handle = <&phy0>; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + phy0: ethernet-phy@1 { + device_type = "ethernet-phy"; + reg = <1>; + }; + }; + }; + + - | + axi_ethernet_eth1: ethernet@40000000 { + compatible = "xlnx,axi-ethernet-1.00.a"; + interrupts = <0>; + clock-names = "s_axi_lite_clk", "axis_clk", "ref_clk", "mgt_clk"; + clocks = <&axi_clk>, <&axi_clk>, <&pl_enet_ref_clk>, <&mgt_clk>; + phy-mode = "mii"; + reg = <0x00 0x40000000 0x00 0x40000>; + xlnx,rxcsum = <0x2>; + xlnx,rxmem = <0x800>; + xlnx,txcsum = <0x2>; + phy-handle = <&phy1>; + axistream-connected = <&dma>; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + phy1: ethernet-phy@1 { + device_type = "ethernet-phy"; + reg = <1>; + }; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 0971854323a7..ecac69046d30 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -23144,6 +23144,7 @@ F: drivers/iio/adc/xilinx-ams.c XILINX AXI ETHERNET DRIVER M: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com> S: Maintained +F: Documentation/devicetree/bindings/net/xlnx,axi-ethernet.yaml F: drivers/net/ethernet/xilinx/xilinx_axienet* XILINX CAN DRIVER |