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