phosphor-regulators/config_files/ibm_everest.json

{
  "comments": [ "phosphor-regulators configuration file for IBM Everest systems" ],


  "rules": [
    {
      "comments": [ "Rule to set PMBus PAGE to 0" ],
      "id": "set_page0_rule",
      "actions": [
        { "i2c_write_byte": { "register": "0x00", "value": "0x00" } }
      ]
    },


    {
      "comments": [ "Rule to set PMBus PAGE to 1" ],
      "id": "set_page1_rule",
      "actions": [
        { "i2c_write_byte": { "register": "0x00", "value": "0x01" } }
      ]
    },


    {
      "comments": [ "Rule to set output voltage of a PMBus regulator" ],
      "id": "set_voltage_rule",
      "actions": [
        {
          "comments": [ "Write volts value to VOUT_COMMAND in linear format.",
                        "Get volts value from configuration.  Get exponent",
                        "from VOUT_MODE.  Verify write was successful." ],
          "pmbus_write_vout_command": { "format": "linear", "is_verified": true }
        }
      ]
    },


    {
      "comments": [ "Rule to set output voltage of PAGE 0 of a PMBus regulator" ],
      "id": "set_voltage_page0_rule",
      "actions": [
        { "run_rule": "set_page0_rule" },
        { "run_rule": "set_voltage_rule" }
      ]
    },


    {
      "comments": [ "Rule to set output voltage of PAGE 1 of a PMBus regulator" ],
      "id": "set_voltage_page1_rule",
      "actions": [
        { "run_rule": "set_page1_rule" },
        { "run_rule": "set_voltage_rule" }
      ]
    },


    {
      "comments": [ "Rule to set output voltage of a PMBus regulator using",
                    "PMBus OPERATION and VOUT_COMMAND" ],
      "id": "set_operation_and_voltage_rule",
      "actions": [
        {
          "comments": [ "Set PMBus OPERATION to 0x80 indicating output voltage",
                        "is set by the PMBus VOUT_COMMAND" ],
          "i2c_write_byte": { "register": "0x01", "value": "0x80" }
        },

        {
          "comments": [ "Set the output voltage using the PMBus VOUT_COMMAND" ],
          "run_rule": "set_voltage_rule"
        },

        {
          "comments": [ "Set PMBus OPERATION to 0xB0 indicating output voltage",
                        "will now be set by AVSBus (AVS_VOUT_COMMAND).",
                        "Hardware settings cause the VOUT_COMMAND value to be",
                        "the initial voltage value for AVSBus." ],
          "i2c_write_byte": { "register": "0x01", "value": "0xB0" }
        }
      ]
    }
  ],


  "chassis": [
    {
      "comments": [ "Chassis (drawer) 1",
                    "Note: Devices not defined yet" ],
      "number": 1
    }
  ]
}