fsl,fec.yaml

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    1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/net/fsl,fec.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Freescale Fast Ethernet Controller (FEC)
    8 
    9 maintainers:
   10   - Joakim Zhang <qiangqing.zhang@nxp.com>
   11 
   12 allOf:
   13   - $ref: ethernet-controller.yaml#
   14 
   15 properties:
   16   compatible:
   17     oneOf:
   18       - enum:
   19           - fsl,imx25-fec
   20           - fsl,imx27-fec
   21           - fsl,imx28-fec
   22           - fsl,imx6q-fec
   23           - fsl,mvf600-fec
   24       - items:
   25           - enum:
   26               - fsl,imx53-fec
   27               - fsl,imx6sl-fec
   28           - const: fsl,imx25-fec
   29       - items:
   30           - enum:
   31               - fsl,imx35-fec
   32               - fsl,imx51-fec
   33           - const: fsl,imx27-fec
   34       - items:
   35           - enum:
   36               - fsl,imx6ul-fec
   37               - fsl,imx6sx-fec
   38           - const: fsl,imx6q-fec
   39       - items:
   40           - enum:
   41               - fsl,imx7d-fec
   42           - const: fsl,imx6sx-fec
   43       - items:
   44           - const: fsl,imx8mq-fec
   45           - const: fsl,imx6sx-fec
   46       - items:
   47           - enum:
   48               - fsl,imx8mm-fec
   49               - fsl,imx8mn-fec
   50               - fsl,imx8mp-fec
   51           - const: fsl,imx8mq-fec
   52           - const: fsl,imx6sx-fec
   53       - items:
   54           - const: fsl,imx8qm-fec
   55           - const: fsl,imx6sx-fec
   56       - items:
   57           - enum:
   58               - fsl,imx8qxp-fec
   59           - const: fsl,imx8qm-fec
   60           - const: fsl,imx6sx-fec
   61       - items:
   62           - enum:
   63               - fsl,imx8ulp-fec
   64           - const: fsl,imx6ul-fec
   65           - const: fsl,imx6q-fec
   66 
   67   reg:
   68     maxItems: 1
   69 
   70   interrupts:
   71     minItems: 1
   72     maxItems: 4
   73 
   74   interrupt-names:
   75     oneOf:
   76       - items:
   77           - const: int0
   78       - items:
   79           - const: int0
   80           - const: pps
   81       - items:
   82           - const: int0
   83           - const: int1
   84           - const: int2
   85       - items:
   86           - const: int0
   87           - const: int1
   88           - const: int2
   89           - const: pps
   90 
   91   clocks:
   92     minItems: 2
   93     maxItems: 5
   94     description:
   95       The "ipg", for MAC ipg_clk_s, ipg_clk_mac_s that are for register accessing.
   96       The "ahb", for MAC ipg_clk, ipg_clk_mac that are bus clock.
   97       The "ptp"(option), for IEEE1588 timer clock that requires the clock.
   98       The "enet_clk_ref"(option), for MAC transmit/receiver reference clock like
   99       RGMII TXC clock or RMII reference clock. It depends on board design,
  100       the clock is required if RGMII TXC and RMII reference clock source from
  101       SOC internal PLL.
  102       The "enet_out"(option), output clock for external device, like supply clock
  103       for PHY. The clock is required if PHY clock source from SOC.
  104       The "enet_2x_txclk"(option), for RGMII sampling clock which fixed at 250Mhz.
  105       The clock is required if SoC RGMII enable clock delay.
  106 
  107   clock-names:
  108     minItems: 2
  109     maxItems: 5
  110     items:
  111       enum:
  112         - ipg
  113         - ahb
  114         - ptp
  115         - enet_clk_ref
  116         - enet_out
  117         - enet_2x_txclk
  118 
  119   phy-mode: true
  120 
  121   phy-handle: true
  122 
  123   fixed-link: true
  124 
  125   local-mac-address: true
  126 
  127   mac-address: true
  128 
  129   nvmem-cells: true
  130 
  131   nvmem-cell-names: true
  132 
  133   tx-internal-delay-ps:
  134     enum: [0, 2000]
  135 
  136   rx-internal-delay-ps:
  137     enum: [0, 2000]
  138 
  139   phy-supply:
  140     description:
  141       Regulator that powers the Ethernet PHY.
  142 
  143   fsl,num-tx-queues:
  144     $ref: /schemas/types.yaml#/definitions/uint32
  145     description:
  146       The property is valid for enet-avb IP, which supports hw multi queues.
  147       Should specify the tx queue number, otherwise set tx queue number to 1.
  148     enum: [1, 2, 3]
  149 
  150   fsl,num-rx-queues:
  151     $ref: /schemas/types.yaml#/definitions/uint32
  152     description:
  153       The property is valid for enet-avb IP, which supports hw multi queues.
  154       Should specify the rx queue number, otherwise set rx queue number to 1.
  155     enum: [1, 2, 3]
  156 
  157   fsl,magic-packet:
  158     $ref: /schemas/types.yaml#/definitions/flag
  159     description:
  160       If present, indicates that the hardware supports waking up via magic packet.
  161 
  162   fsl,err006687-workaround-present:
  163     $ref: /schemas/types.yaml#/definitions/flag
  164     description:
  165       If present indicates that the system has the hardware workaround for
  166       ERR006687 applied and does not need a software workaround.
  167 
  168   fsl,stop-mode:
  169     $ref: /schemas/types.yaml#/definitions/phandle-array
  170     items:
  171       - items:
  172           - description: phandle to general purpose register node
  173           - description: the gpr register offset for ENET stop request
  174           - description: the gpr bit offset for ENET stop request
  175     description:
  176       Register bits of stop mode control, the format is <&gpr req_gpr req_bit>.
  177 
  178   mdio:
  179     $ref: mdio.yaml#
  180     unevaluatedProperties: false
  181     description:
  182       Specifies the mdio bus in the FEC, used as a container for phy nodes.
  183 
  184   # Deprecated optional properties:
  185   # To avoid these, create a phy node according to ethernet-phy.yaml in the same
  186   # directory, and point the FEC's "phy-handle" property to it. Then use
  187   # the phy's reset binding, again described by ethernet-phy.yaml.
  188 
  189   phy-reset-gpios:
  190     deprecated: true
  191     description:
  192       Should specify the gpio for phy reset.
  193 
  194   phy-reset-duration:
  195     $ref: /schemas/types.yaml#/definitions/uint32
  196     deprecated: true
  197     description:
  198       Reset duration in milliseconds.  Should present only if property
  199       "phy-reset-gpios" is available.  Missing the property will have the
  200       duration be 1 millisecond.  Numbers greater than 1000 are invalid
  201       and 1 millisecond will be used instead.
  202 
  203   phy-reset-active-high:
  204     type: boolean
  205     deprecated: true
  206     description:
  207       If present then the reset sequence using the GPIO specified in the
  208       "phy-reset-gpios" property is reversed (H=reset state, L=operation state).
  209 
  210   phy-reset-post-delay:
  211     $ref: /schemas/types.yaml#/definitions/uint32
  212     deprecated: true
  213     description:
  214       Post reset delay in milliseconds. If present then a delay of phy-reset-post-delay
  215       milliseconds will be observed after the phy-reset-gpios has been toggled.
  216       Can be omitted thus no delay is observed. Delay is in range of 1ms to 1000ms.
  217       Other delays are invalid.
  218 
  219 required:
  220   - compatible
  221   - reg
  222   - interrupts
  223 
  224 # FIXME: We had better set additionalProperties to false to avoid invalid or at
  225 # least undocumented properties. However, PHY may have a deprecated option to
  226 # place PHY OF properties in the MAC node, such as Micrel PHY, and we can find
  227 # these boards which is based on i.MX6QDL.
  228 unevaluatedProperties: false
  229 
  230 examples:
  231   - |
  232     ethernet@83fec000 {
  233       compatible = "fsl,imx51-fec", "fsl,imx27-fec";
  234       reg = <0x83fec000 0x4000>;
  235       interrupts = <87>;
  236       phy-mode = "mii";
  237       phy-reset-gpios = <&gpio2 14 0>;
  238       phy-supply = <&reg_fec_supply>;
  239     };
  240 
  241     ethernet@83fed000 {
  242       compatible = "fsl,imx51-fec", "fsl,imx27-fec";
  243       reg = <0x83fed000 0x4000>;
  244       interrupts = <87>;
  245       phy-mode = "mii";
  246       phy-reset-gpios = <&gpio2 14 0>;
  247       phy-supply = <&reg_fec_supply>;
  248       phy-handle = <&ethphy0>;
  249 
  250       mdio {
  251         #address-cells = <1>;
  252         #size-cells = <0>;
  253 
  254         ethphy0: ethernet-phy@0 {
  255           compatible = "ethernet-phy-ieee802.3-c22";
  256           reg = <0>;
  257         };
  258       };
  259     };

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sys/contrib/device-tree/Bindings/net/fsl,fec.yaml