BCM2711 I2C manager

%C [options]

Options:
-p addr         I2C base address(Default: 0)
-i irq          I2C interrupt (Default: 149)
-c clock        Default to 5000(100KHz)
-v              Set verbose(Default: 2)
-s slave addr   Slave address(only 7-bit addr supported. Default: 0)


Generic options:
--b bus_speed       Default bus speed. (Default: 100000)
--u unit            Unit number. Number to append to device name
                    prefix (/dev/i2c). (Default: 0)

Example:
%C  -p0xfe804000 --b100000 --u1
