phosphor-power-supply/configurations/witherspoon/psu_config.json

{
    "SystemProperties" : {
        "MaxPowerSupplies" : 2
    },
    "PowerSupplies": [
        {
            "Inventory" : "/xyz/openbmc_project/inventory/system/chassis/motherboard/powersupply0",
            "Bus" : 3,
            "Address" : "0068"
        },
        {
            "Inventory" : "/xyz/openbmc_project/inventory/system/chassis/motherboard/powersupply1",
            "Bus" : 3,
            "Address" : "0069"
        }
    ]
}