{
    "vdd": {
        "description": "Modify PHY configuration to support `system_get_vdd33()` function",
        "partitions": {
            "phy_init": {
                "filename": "$(FLASH_INIT_DATA_VCC)"
            }
        }
    },
    "alternate": {
        "description": "ESP8266 layout with critical partitions at start of flash",
        "partition_table_offset": "0x2000",
        "partitions": {
            "rf_cal": {
                "address": "0x3000"
            },
            "phy_init": {
                "address": "0x4000"
            },
            "sys_param": {
                "address": "0x5000"
            },
            "rom0": {
                "address": "0x8000"
            }
        }
    }
}