cdns,macb.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/net/cdns,macb.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Cadence MACB/GEM Ethernet controller
    8 
    9 maintainers:
   10   - Nicolas Ferre <nicolas.ferre@microchip.com>
   11   - Claudiu Beznea <claudiu.beznea@microchip.com>
   12 
   13 properties:
   14   compatible:
   15     oneOf:
   16       - items:
   17           - enum:
   18               - cdns,at91rm9200-emac  # Atmel at91rm9200 SoC
   19           - const: cdns,emac          # Generic
   20 
   21       - items:
   22           - enum:
   23               - cdns,zynq-gem         # Xilinx Zynq-7xxx SoC
   24               - cdns,zynqmp-gem       # Xilinx Zynq Ultrascale+ MPSoC
   25           - const: cdns,gem           # Generic
   26         deprecated: true
   27 
   28       - items:
   29           - enum:
   30               - xlnx,versal-gem       # Xilinx Versal
   31               - xlnx,zynq-gem         # Xilinx Zynq-7xxx SoC
   32               - xlnx,zynqmp-gem       # Xilinx Zynq Ultrascale+ MPSoC
   33           - const: cdns,gem           # Generic
   34 
   35       - items:
   36           - enum:
   37               - cdns,at91sam9260-macb # Atmel at91sam9 SoCs
   38               - cdns,sam9x60-macb     # Microchip sam9x60 SoC
   39               - microchip,mpfs-macb   # Microchip PolarFire SoC
   40           - const: cdns,macb          # Generic
   41 
   42       - items:
   43           - enum:
   44               - atmel,sama5d3-macb    # 10/100Mbit IP on Atmel sama5d3 SoCs
   45           - enum:
   46               - cdns,at91sam9260-macb # Atmel at91sam9 SoCs.
   47           - const: cdns,macb          # Generic
   48 
   49       - enum:
   50           - atmel,sama5d29-gem        # GEM XL IP (10/100) on Atmel sama5d29 SoCs
   51           - atmel,sama5d2-gem         # GEM IP (10/100) on Atmel sama5d2 SoCs
   52           - atmel,sama5d3-gem         # Gigabit IP on Atmel sama5d3 SoCs
   53           - atmel,sama5d4-gem         # GEM IP (10/100) on Atmel sama5d4 SoCs
   54           - cdns,np4-macb             # NP4 SoC devices
   55           - microchip,sama7g5-emac    # Microchip SAMA7G5 ethernet interface
   56           - microchip,sama7g5-gem     # Microchip SAMA7G5 gigabit ethernet interface
   57           - sifive,fu540-c000-gem     # SiFive FU540-C000 SoC
   58           - cdns,emac                 # Generic
   59           - cdns,gem                  # Generic
   60           - cdns,macb                 # Generic
   61 
   62   reg:
   63     minItems: 1
   64     items:
   65       - description: Basic register set
   66       - description: GEMGXL Management block registers on SiFive FU540-C000 SoC
   67 
   68   interrupts:
   69     minItems: 1
   70     maxItems: 8
   71     description: One interrupt per available hardware queue
   72 
   73   clocks:
   74     minItems: 1
   75     maxItems: 5
   76 
   77   clock-names:
   78     minItems: 1
   79     items:
   80       - enum: [ ether_clk, hclk, pclk ]
   81       - enum: [ hclk, pclk ]
   82       - const: tx_clk
   83       - enum: [ rx_clk, tsu_clk ]
   84       - const: tsu_clk
   85 
   86   local-mac-address: true
   87 
   88   phy-mode: true
   89 
   90   phy-handle: true
   91 
   92   phys:
   93     maxItems: 1
   94 
   95   resets:
   96     maxItems: 1
   97     description:
   98       Recommended with ZynqMP, specify reset control for this
   99       controller instance with zynqmp-reset driver.
  100 
  101   reset-names:
  102     maxItems: 1
  103 
  104   fixed-link: true
  105 
  106   iommus:
  107     maxItems: 1
  108 
  109   power-domains:
  110     maxItems: 1
  111 
  112   '#address-cells':
  113     const: 1
  114 
  115   '#size-cells':
  116     const: 0
  117 
  118   mdio:
  119     type: object
  120     description:
  121       Node containing PHY children. If this node is not present, then PHYs will
  122       be direct children.
  123 
  124 patternProperties:
  125   "^ethernet-phy@[0-9a-f]$":
  126     type: object
  127     $ref: ethernet-phy.yaml#
  128 
  129     properties:
  130       reset-gpios: true
  131 
  132       magic-packet:
  133         type: boolean
  134         description:
  135           Indicates that the hardware supports waking up via magic packet.
  136 
  137     unevaluatedProperties: false
  138 
  139 required:
  140   - compatible
  141   - reg
  142   - interrupts
  143   - clocks
  144   - clock-names
  145   - phy-mode
  146 
  147 allOf:
  148   - $ref: ethernet-controller.yaml#
  149 
  150   - if:
  151       not:
  152         properties:
  153           compatible:
  154             contains:
  155               const: sifive,fu540-c000-gem
  156     then:
  157       properties:
  158         reg:
  159           maxItems: 1
  160 
  161 unevaluatedProperties: false
  162 
  163 examples:
  164   - |
  165     macb0: ethernet@fffc4000 {
  166             compatible = "cdns,macb";
  167             reg = <0xfffc4000 0x4000>;
  168             interrupts = <21>;
  169             phy-mode = "rmii";
  170             local-mac-address = [3a 0e 03 04 05 06];
  171             clock-names = "pclk", "hclk", "tx_clk";
  172             clocks = <&clkc 30>, <&clkc 30>, <&clkc 13>;
  173             #address-cells = <1>;
  174             #size-cells = <0>;
  175 
  176             ethernet-phy@1 {
  177                     reg = <0x1>;
  178                     reset-gpios = <&pioE 6 1>;
  179             };
  180     };
  181 
  182   - |
  183     #include <dt-bindings/clock/xlnx-zynqmp-clk.h>
  184     #include <dt-bindings/power/xlnx-zynqmp-power.h>
  185     #include <dt-bindings/reset/xlnx-zynqmp-resets.h>
  186     #include <dt-bindings/phy/phy.h>
  187 
  188     bus {
  189             #address-cells = <2>;
  190             #size-cells = <2>;
  191             gem1: ethernet@ff0c0000 {
  192                     compatible = "xlnx,zynqmp-gem", "cdns,gem";
  193                     interrupt-parent = <&gic>;
  194                     interrupts = <0 59 4>, <0 59 4>;
  195                     reg = <0x0 0xff0c0000 0x0 0x1000>;
  196                     clocks = <&zynqmp_clk LPD_LSBUS>, <&zynqmp_clk GEM1_REF>,
  197                              <&zynqmp_clk GEM1_TX>, <&zynqmp_clk GEM1_RX>,
  198                              <&zynqmp_clk GEM_TSU>;
  199                     clock-names = "pclk", "hclk", "tx_clk", "rx_clk", "tsu_clk";
  200                     #address-cells = <1>;
  201                     #size-cells = <0>;
  202                     iommus = <&smmu 0x875>;
  203                     power-domains = <&zynqmp_firmware PD_ETH_1>;
  204                     resets = <&zynqmp_reset ZYNQMP_RESET_GEM1>;
  205                     reset-names = "gem1_rst";
  206                     status = "okay";
  207                     phy-mode = "sgmii";
  208                     phys = <&psgtr 1 PHY_TYPE_SGMII 1 1>;
  209                     fixed-link {
  210                             speed = <1000>;
  211                             full-duplex;
  212                             pause;
  213                     };
  214             };
  215     };

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