# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/net/sff,sfp.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Small Form Factor (SFF) Committee Small Form-factor Pluggable (SFP) Transceiver maintainers: - Russell King properties: compatible: enum: - sff,sfp # for SFP modules - sff,sff # for soldered down SFF modules i2c-bus: $ref: /schemas/types.yaml#/definitions/phandle description: phandle of an I2C bus controller for the SFP two wire serial maximum-power-milliwatt: minimum: 1000 default: 1000 description: Maximum module power consumption Specifies the maximum power consumption allowable by a module in the slot, in milli-Watts. Presently, modules can be up to 1W, 1.5W or 2W. "mod-def0-gpios": maxItems: 1 description: GPIO phandle and a specifier of the MOD-DEF0 (AKA Mod_ABS) module presence input gpio signal, active (module absent) high. Must not be present for SFF modules "los-gpios": maxItems: 1 description: GPIO phandle and a specifier of the Receiver Loss of Signal Indication input gpio signal, active (signal lost) high "tx-fault-gpios": maxItems: 1 description: GPIO phandle and a specifier of the Module Transmitter Fault input gpio signal, active (fault condition) high "tx-disable-gpios": maxItems: 1 description: GPIO phandle and a specifier of the Transmitter Disable output gpio signal, active (Tx disable) high "rate-select0-gpios": maxItems: 1 description: GPIO phandle and a specifier of the Rx Signaling Rate Select (AKA RS0) output gpio signal, low - low Rx rate, high - high Rx rate Must not be present for SFF modules "rate-select1-gpios": maxItems: 1 description: GPIO phandle and a specifier of the Tx Signaling Rate Select (AKA RS1) output gpio signal (SFP+ only), low - low Tx rate, high - high Tx rate. Must not be present for SFF modules allOf: - if: properties: compatible: contains: const: sff,sff then: properties: mod-def0-gpios: false rate-select0-gpios: false rate-select1-gpios: false required: - compatible - i2c-bus additionalProperties: false examples: - | # Direct serdes to SFP connection #include sfp1: sfp { compatible = "sff,sfp"; i2c-bus = <&sfp_1g_i2c>; los-gpios = <&cpm_gpio2 22 GPIO_ACTIVE_HIGH>; mod-def0-gpios = <&cpm_gpio2 21 GPIO_ACTIVE_LOW>; maximum-power-milliwatt = <1000>; pinctrl-names = "default"; pinctrl-0 = <&cpm_sfp_1g_pins &cps_sfp_1g_pins>; tx-disable-gpios = <&cps_gpio1 24 GPIO_ACTIVE_HIGH>; tx-fault-gpios = <&cpm_gpio2 19 GPIO_ACTIVE_HIGH>; }; ethernet { phy-names = "comphy"; phys = <&cps_comphy5 0>; sfp = <&sfp1>; }; - | # Serdes to PHY to SFP connection #include #include sfp2: sfp { compatible = "sff,sfp"; i2c-bus = <&sfp_i2c>; los-gpios = <&cps_gpio1 28 GPIO_ACTIVE_HIGH>; mod-def0-gpios = <&cps_gpio1 27 GPIO_ACTIVE_LOW>; pinctrl-names = "default"; pinctrl-0 = <&cps_sfpp0_pins>; tx-disable-gpios = <&cps_gpio1 29 GPIO_ACTIVE_HIGH>; tx-fault-gpios = <&cps_gpio1 26 GPIO_ACTIVE_HIGH>; }; mdio { #address-cells = <1>; #size-cells = <0>; phy: ethernet-phy@0 { compatible = "ethernet-phy-ieee802.3-c45"; pinctrl-names = "default"; pinctrl-0 = <&cpm_phy0_pins &cps_phy0_pins>; reg = <0>; interrupt = <&cpm_gpio2 18 IRQ_TYPE_EDGE_FALLING>; sfp = <&sfp2>; }; }; ethernet { phy = <&phy>; phy-mode = "10gbase-kr"; };