1*4882a593SmuzhiyunSmall Form Factor (SFF) Committee Small Form-factor Pluggable (SFP) 2*4882a593SmuzhiyunTransceiver 3*4882a593Smuzhiyun 4*4882a593SmuzhiyunRequired properties: 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun- compatible : must be one of 7*4882a593Smuzhiyun "sff,sfp" for SFP modules 8*4882a593Smuzhiyun "sff,sff" for soldered down SFF modules 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun- i2c-bus : phandle of an I2C bus controller for the SFP two wire serial 11*4882a593Smuzhiyun interface 12*4882a593Smuzhiyun 13*4882a593SmuzhiyunOptional Properties: 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun- mod-def0-gpios : GPIO phandle and a specifier of the MOD-DEF0 (AKA Mod_ABS) 16*4882a593Smuzhiyun module presence input gpio signal, active (module absent) high. Must 17*4882a593Smuzhiyun not be present for SFF modules 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun- los-gpios : GPIO phandle and a specifier of the Receiver Loss of Signal 20*4882a593Smuzhiyun Indication input gpio signal, active (signal lost) high 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun- tx-fault-gpios : GPIO phandle and a specifier of the Module Transmitter 23*4882a593Smuzhiyun Fault input gpio signal, active (fault condition) high 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun- tx-disable-gpios : GPIO phandle and a specifier of the Transmitter Disable 26*4882a593Smuzhiyun output gpio signal, active (Tx disable) high 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun- rate-select0-gpios : GPIO phandle and a specifier of the Rx Signaling Rate 29*4882a593Smuzhiyun Select (AKA RS0) output gpio signal, low: low Rx rate, high: high Rx rate 30*4882a593Smuzhiyun Must not be present for SFF modules 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun- rate-select1-gpios : GPIO phandle and a specifier of the Tx Signaling Rate 33*4882a593Smuzhiyun Select (AKA RS1) output gpio signal (SFP+ only), low: low Tx rate, high: 34*4882a593Smuzhiyun high Tx rate. Must not be present for SFF modules 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun- maximum-power-milliwatt : Maximum module power consumption 37*4882a593Smuzhiyun Specifies the maximum power consumption allowable by a module in the 38*4882a593Smuzhiyun slot, in milli-Watts. Presently, modules can be up to 1W, 1.5W or 2W. 39*4882a593Smuzhiyun 40*4882a593SmuzhiyunExample #1: Direct serdes to SFP connection 41*4882a593Smuzhiyun 42*4882a593Smuzhiyunsfp_eth3: sfp-eth3 { 43*4882a593Smuzhiyun compatible = "sff,sfp"; 44*4882a593Smuzhiyun i2c-bus = <&sfp_1g_i2c>; 45*4882a593Smuzhiyun los-gpios = <&cpm_gpio2 22 GPIO_ACTIVE_HIGH>; 46*4882a593Smuzhiyun mod-def0-gpios = <&cpm_gpio2 21 GPIO_ACTIVE_LOW>; 47*4882a593Smuzhiyun maximum-power-milliwatt = <1000>; 48*4882a593Smuzhiyun pinctrl-names = "default"; 49*4882a593Smuzhiyun pinctrl-0 = <&cpm_sfp_1g_pins &cps_sfp_1g_pins>; 50*4882a593Smuzhiyun tx-disable-gpios = <&cps_gpio1 24 GPIO_ACTIVE_HIGH>; 51*4882a593Smuzhiyun tx-fault-gpios = <&cpm_gpio2 19 GPIO_ACTIVE_HIGH>; 52*4882a593Smuzhiyun}; 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun&cps_emac3 { 55*4882a593Smuzhiyun phy-names = "comphy"; 56*4882a593Smuzhiyun phys = <&cps_comphy5 0>; 57*4882a593Smuzhiyun sfp = <&sfp_eth3>; 58*4882a593Smuzhiyun}; 59*4882a593Smuzhiyun 60*4882a593SmuzhiyunExample #2: Serdes to PHY to SFP connection 61*4882a593Smuzhiyun 62*4882a593Smuzhiyunsfp_eth0: sfp-eth0 { 63*4882a593Smuzhiyun compatible = "sff,sfp"; 64*4882a593Smuzhiyun i2c-bus = <&sfpp0_i2c>; 65*4882a593Smuzhiyun los-gpios = <&cps_gpio1 28 GPIO_ACTIVE_HIGH>; 66*4882a593Smuzhiyun mod-def0-gpios = <&cps_gpio1 27 GPIO_ACTIVE_LOW>; 67*4882a593Smuzhiyun pinctrl-names = "default"; 68*4882a593Smuzhiyun pinctrl-0 = <&cps_sfpp0_pins>; 69*4882a593Smuzhiyun tx-disable-gpios = <&cps_gpio1 29 GPIO_ACTIVE_HIGH>; 70*4882a593Smuzhiyun tx-fault-gpios = <&cps_gpio1 26 GPIO_ACTIVE_HIGH>; 71*4882a593Smuzhiyun}; 72*4882a593Smuzhiyun 73*4882a593Smuzhiyunp0_phy: ethernet-phy@0 { 74*4882a593Smuzhiyun compatible = "ethernet-phy-ieee802.3-c45"; 75*4882a593Smuzhiyun pinctrl-names = "default"; 76*4882a593Smuzhiyun pinctrl-0 = <&cpm_phy0_pins &cps_phy0_pins>; 77*4882a593Smuzhiyun reg = <0>; 78*4882a593Smuzhiyun interrupt = <&cpm_gpio2 18 IRQ_TYPE_EDGE_FALLING>; 79*4882a593Smuzhiyun sfp = <&sfp_eth0>; 80*4882a593Smuzhiyun}; 81*4882a593Smuzhiyun 82*4882a593Smuzhiyun&cpm_eth0 { 83*4882a593Smuzhiyun phy = <&p0_phy>; 84*4882a593Smuzhiyun phy-mode = "10gbase-kr"; 85*4882a593Smuzhiyun}; 86