microchip,sparx5-serdes.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/phy/microchip,sparx5-serdes.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Microchip Sparx5 Serdes controller
    8 
    9 maintainers:
   10   - Steen Hegelund <steen.hegelund@microchip.com>
   11 
   12 description: |
   13   The Sparx5 SERDES interfaces share the same basic functionality, but
   14   support different operating modes and line rates.
   15 
   16   The following list lists the SERDES features:
   17 
   18   * RX Adaptive Decision Feedback Equalizer (DFE)
   19   * Programmable continuous time linear equalizer (CTLE)
   20   * Rx variable gain control
   21   * Rx built-in fault detector (loss-of-lock/loss-of-signal)
   22   * Adjustable tx de-emphasis (FFE)
   23   * Tx output amplitude control
   24   * Supports rx eye monitor
   25   * Multiple loopback modes
   26   * Prbs generator and checker
   27   * Polarity inversion control
   28 
   29   SERDES6G:
   30 
   31   The SERDES6G is a high-speed SERDES interface, which can operate at
   32   the following data rates:
   33 
   34   * 100 Mbps (100BASE-FX)
   35   * 1.25 Gbps (SGMII/1000BASE-X/1000BASE-KX)
   36   * 3.125 Gbps (2.5GBASE-X/2.5GBASE-KX)
   37   * 5.15625 Gbps (5GBASE-KR/5G-USXGMII)
   38 
   39   SERDES10G
   40 
   41   The SERDES10G is a high-speed SERDES interface, which can operate at
   42   the following data rates:
   43 
   44   * 100 Mbps (100BASE-FX)
   45   * 1.25 Gbps (SGMII/1000BASE-X/1000BASE-KX)
   46   * 3.125 Gbps (2.5GBASE-X/2.5GBASE-KX)
   47   * 5 Gbps (QSGMII/USGMII)
   48   * 5.15625 Gbps (5GBASE-KR/5G-USXGMII)
   49   * 10 Gbps (10G-USGMII)
   50   * 10.3125 Gbps (10GBASE-R/10GBASE-KR/USXGMII)
   51 
   52   SERDES25G
   53 
   54   The SERDES25G is a high-speed SERDES interface, which can operate at
   55   the following data rates:
   56 
   57   * 1.25 Gbps (SGMII/1000BASE-X/1000BASE-KX)
   58   * 3.125 Gbps (2.5GBASE-X/2.5GBASE-KX)
   59   * 5 Gbps (QSGMII/USGMII)
   60   * 5.15625 Gbps (5GBASE-KR/5G-USXGMII)
   61   * 10 Gbps (10G-USGMII)
   62   * 10.3125 Gbps (10GBASE-R/10GBASE-KR/USXGMII)
   63   * 25.78125 Gbps (25GBASE-KR/25GBASE-CR/25GBASE-SR/25GBASE-LR/25GBASE-ER)
   64 
   65 properties:
   66   $nodename:
   67     pattern: "^serdes@[0-9a-f]+$"
   68 
   69   compatible:
   70     const: microchip,sparx5-serdes
   71 
   72   reg:
   73     minItems: 1
   74 
   75   '#phy-cells':
   76     const: 1
   77     description: |
   78       - The main serdes input port
   79 
   80   clocks:
   81     maxItems: 1
   82 
   83 required:
   84   - compatible
   85   - reg
   86   - '#phy-cells'
   87   - clocks
   88 
   89 additionalProperties: false
   90 
   91 examples:
   92   - |
   93     serdes: serdes@10808000 {
   94       compatible = "microchip,sparx5-serdes";
   95       #phy-cells = <1>;
   96       clocks = <&sys_clk>;
   97       reg = <0x10808000 0x5d0000>;
   98     };
   99 
  100 ...

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