Some(
    RccOut {
        buses: [
            PeripheralBusOut {
                peripheral: "gpioa",
                bus: AHB,
                field: "IOPA",
                resetable: true
            },
            PeripheralBusOut {
                peripheral: "gpiob",
                bus: AHB,
                field: "IOPB",
                resetable: true
            },
            PeripheralBusOut {
                peripheral: "gpioc",
                bus: AHB,
                field: "IOPC",
                resetable: true
            },
            PeripheralBusOut {
                peripheral: "gpiod",
                bus: AHB,
                field: "IOPD",
                resetable: true
            },
            PeripheralBusOut {
                peripheral: "gpiof",
                bus: AHB,
                field: "IOPF",
                resetable: true
            }
        ]
    }
)