nxp,sja1105.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/dsa/nxp,sja1105.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: NXP SJA1105 Automotive Ethernet Switch Family Device Tree Bindings
    8 
    9 description:
   10   The SJA1105 SPI interface requires a CS-to-CLK time (t2 in UM10944.pdf) of at
   11   least one half of t_CLK. At an SPI frequency of 1MHz, this means a minimum
   12   cs_sck_delay of 500ns. Ensuring that this SPI timing requirement is observed
   13   depends on the SPI bus master driver.
   14 
   15 allOf:
   16   - $ref: "dsa.yaml#"
   17   - $ref: /schemas/spi/spi-peripheral-props.yaml#
   18 
   19 maintainers:
   20   - Vladimir Oltean <vladimir.oltean@nxp.com>
   21 
   22 properties:
   23   compatible:
   24     enum:
   25       - nxp,sja1105e
   26       - nxp,sja1105t
   27       - nxp,sja1105p
   28       - nxp,sja1105q
   29       - nxp,sja1105r
   30       - nxp,sja1105s
   31       - nxp,sja1110a
   32       - nxp,sja1110b
   33       - nxp,sja1110c
   34       - nxp,sja1110d
   35 
   36   reg:
   37     maxItems: 1
   38 
   39   # Optional container node for the 2 internal MDIO buses of the SJA1110
   40   # (one for the internal 100base-T1 PHYs and the other for the single
   41   # 100base-TX PHY). The "reg" property does not have physical significance.
   42   # The PHY addresses to port correspondence is as follows: for 100base-T1,
   43   # port 5 has PHY 1, port 6 has PHY 2 etc, while for 100base-TX, port 1 has
   44   # PHY 1.
   45   mdios:
   46     type: object
   47 
   48     properties:
   49       '#address-cells':
   50         const: 1
   51       '#size-cells':
   52         const: 0
   53 
   54     patternProperties:
   55       "^mdio@[0-1]$":
   56         $ref: /schemas/net/mdio.yaml#
   57         unevaluatedProperties: false
   58 
   59         properties:
   60           compatible:
   61             oneOf:
   62               - enum:
   63                   - nxp,sja1110-base-t1-mdio
   64                   - nxp,sja1110-base-tx-mdio
   65 
   66           reg:
   67             oneOf:
   68               - enum:
   69                   - 0
   70                   - 1
   71 
   72         required:
   73           - compatible
   74           - reg
   75 
   76 patternProperties:
   77   "^(ethernet-)?ports$":
   78     patternProperties:
   79       "^(ethernet-)?port@[0-9]+$":
   80         allOf:
   81           - if:
   82               properties:
   83                 phy-mode:
   84                   contains:
   85                     enum:
   86                       - rgmii
   87                       - rgmii-rxid
   88                       - rgmii-txid
   89                       - rgmii-id
   90             then:
   91               properties:
   92                 rx-internal-delay-ps:
   93                   $ref: "#/$defs/internal-delay-ps"
   94                 tx-internal-delay-ps:
   95                   $ref: "#/$defs/internal-delay-ps"
   96 
   97 required:
   98   - compatible
   99   - reg
  100 
  101 $defs:
  102   internal-delay-ps:
  103     description:
  104       Disable tunable delay lines using 0 ps, or enable them and select
  105       the phase between 1640 ps (73.8 degree shift at 1Gbps) and 2260 ps
  106       (101.7 degree shift) in increments of 0.9 degrees (20 ps).
  107     enum:
  108       [0, 1640, 1660, 1680, 1700, 1720, 1740, 1760, 1780, 1800, 1820, 1840,
  109        1860, 1880, 1900, 1920, 1940, 1960, 1980, 2000, 2020, 2040, 2060, 2080,
  110        2100, 2120, 2140, 2160, 2180, 2200, 2220, 2240, 2260]
  111 
  112 unevaluatedProperties: false
  113 
  114 examples:
  115   - |
  116     spi {
  117             #address-cells = <1>;
  118             #size-cells = <0>;
  119 
  120             ethernet-switch@1 {
  121                     reg = <0x1>;
  122                     compatible = "nxp,sja1105t";
  123 
  124                     ethernet-ports {
  125                             #address-cells = <1>;
  126                             #size-cells = <0>;
  127 
  128                             port@0 {
  129                                     phy-handle = <&rgmii_phy6>;
  130                                     phy-mode = "rgmii-id";
  131                                     rx-internal-delay-ps = <0>;
  132                                     tx-internal-delay-ps = <0>;
  133                                     reg = <0>;
  134                             };
  135 
  136                             port@1 {
  137                                     phy-handle = <&rgmii_phy3>;
  138                                     phy-mode = "rgmii-id";
  139                                     rx-internal-delay-ps = <0>;
  140                                     tx-internal-delay-ps = <0>;
  141                                     reg = <1>;
  142                             };
  143 
  144                             port@2 {
  145                                     phy-handle = <&rgmii_phy4>;
  146                                     phy-mode = "rgmii-id";
  147                                     rx-internal-delay-ps = <0>;
  148                                     tx-internal-delay-ps = <0>;
  149                                     reg = <2>;
  150                             };
  151 
  152                             port@3 {
  153                                     phy-handle = <&rgmii_phy4>;
  154                                     phy-mode = "rgmii-id";
  155                                     rx-internal-delay-ps = <0>;
  156                                     tx-internal-delay-ps = <0>;
  157                                     reg = <3>;
  158                             };
  159 
  160                             port@4 {
  161                                     ethernet = <&enet2>;
  162                                     phy-mode = "rgmii";
  163                                     rx-internal-delay-ps = <0>;
  164                                     tx-internal-delay-ps = <0>;
  165                                     reg = <4>;
  166 
  167                                     fixed-link {
  168                                             speed = <1000>;
  169                                             full-duplex;
  170                                     };
  171                             };
  172                     };
  173             };
  174     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/net/dsa/nxp,sja1105.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/net/dsa/nxp,sja1105.yaml