sff,sfp.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/sff,sfp.yaml#"
    5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
    6 
    7 title: Small Form Factor (SFF) Committee Small Form-factor Pluggable (SFP)
    8   Transceiver
    9 
   10 maintainers:
   11   - Russell King <linux@armlinux.org.uk>
   12 
   13 properties:
   14   compatible:
   15     enum:
   16       - sff,sfp  # for SFP modules
   17       - sff,sff  # for soldered down SFF modules
   18 
   19   i2c-bus:
   20     $ref: /schemas/types.yaml#/definitions/phandle
   21     description:
   22       phandle of an I2C bus controller for the SFP two wire serial
   23 
   24   maximum-power-milliwatt:
   25     maxItems: 1
   26     description:
   27       Maximum module power consumption Specifies the maximum power consumption
   28       allowable by a module in the slot, in milli-Watts. Presently, modules can
   29       be up to 1W, 1.5W or 2W.
   30 
   31   "mod-def0-gpios":
   32     maxItems: 1
   33     description:
   34       GPIO phandle and a specifier of the MOD-DEF0 (AKA Mod_ABS) module
   35       presence input gpio signal, active (module absent) high. Must not be
   36       present for SFF modules
   37 
   38   "los-gpios":
   39     maxItems: 1
   40     description:
   41       GPIO phandle and a specifier of the Receiver Loss of Signal Indication
   42       input gpio signal, active (signal lost) high
   43 
   44   "tx-fault-gpios":
   45     maxItems: 1
   46     description:
   47       GPIO phandle and a specifier of the Module Transmitter Fault input gpio
   48       signal, active (fault condition) high
   49 
   50   "tx-disable-gpios":
   51     maxItems: 1
   52     description:
   53       GPIO phandle and a specifier of the Transmitter Disable output gpio
   54       signal, active (Tx disable) high
   55 
   56   "rate-select0-gpios":
   57     maxItems: 1
   58     description:
   59       GPIO phandle and a specifier of the Rx Signaling Rate Select (AKA RS0)
   60       output gpio signal, low - low Rx rate, high - high Rx rate Must not be
   61       present for SFF modules
   62 
   63   "rate-select1-gpios":
   64     maxItems: 1
   65     description:
   66       GPIO phandle and a specifier of the Tx Signaling Rate Select (AKA RS1)
   67       output gpio signal (SFP+ only), low - low Tx rate, high - high Tx rate. Must
   68       not be present for SFF modules
   69 
   70 allOf:
   71   - if:
   72       properties:
   73         compatible:
   74           contains:
   75             const: sff,sff
   76     then:
   77       properties:
   78         mod-def0-gpios: false
   79         rate-select0-gpios: false
   80         rate-select1-gpios: false
   81 
   82 required:
   83   - compatible
   84   - i2c-bus
   85 
   86 additionalProperties: false
   87 
   88 examples:
   89   - | # Direct serdes to SFP connection
   90     #include <dt-bindings/gpio/gpio.h>
   91 
   92     sfp1: sfp {
   93       compatible = "sff,sfp";
   94       i2c-bus = <&sfp_1g_i2c>;
   95       los-gpios = <&cpm_gpio2 22 GPIO_ACTIVE_HIGH>;
   96       mod-def0-gpios = <&cpm_gpio2 21 GPIO_ACTIVE_LOW>;
   97       maximum-power-milliwatt = <1000>;
   98       pinctrl-names = "default";
   99       pinctrl-0 = <&cpm_sfp_1g_pins &cps_sfp_1g_pins>;
  100       tx-disable-gpios = <&cps_gpio1 24 GPIO_ACTIVE_HIGH>;
  101       tx-fault-gpios = <&cpm_gpio2 19 GPIO_ACTIVE_HIGH>;
  102     };
  103 
  104     ethernet {
  105       phy-names = "comphy";
  106       phys = <&cps_comphy5 0>;
  107       sfp = <&sfp1>;
  108     };
  109 
  110   - | # Serdes to PHY to SFP connection
  111     #include <dt-bindings/gpio/gpio.h>
  112     #include <dt-bindings/interrupt-controller/arm-gic.h>
  113 
  114     sfp2: sfp {
  115       compatible = "sff,sfp";
  116       i2c-bus = <&sfp_i2c>;
  117       los-gpios = <&cps_gpio1 28 GPIO_ACTIVE_HIGH>;
  118       mod-def0-gpios = <&cps_gpio1 27 GPIO_ACTIVE_LOW>;
  119       pinctrl-names = "default";
  120       pinctrl-0 = <&cps_sfpp0_pins>;
  121       tx-disable-gpios = <&cps_gpio1 29 GPIO_ACTIVE_HIGH>;
  122       tx-fault-gpios  = <&cps_gpio1 26 GPIO_ACTIVE_HIGH>;
  123     };
  124 
  125     mdio {
  126       #address-cells = <1>;
  127       #size-cells = <0>;
  128 
  129       phy: ethernet-phy@0 {
  130         compatible = "ethernet-phy-ieee802.3-c45";
  131         pinctrl-names = "default";
  132         pinctrl-0 = <&cpm_phy0_pins &cps_phy0_pins>;
  133         reg = <0>;
  134         interrupt = <&cpm_gpio2 18 IRQ_TYPE_EDGE_FALLING>;
  135         sfp = <&sfp2>;
  136       };
  137     };
  138 
  139     ethernet {
  140       phy = <&phy>;
  141       phy-mode = "10gbase-kr";
  142     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/net/sff,sfp.yaml

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sys/contrib/device-tree/Bindings/net/sff,sfp.yaml