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Digi ETHERIOS ConnectCore 6 Reference Manual

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ConnectCore 6
Linux BSP
Reference Manual
90001403_A

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Summary of Contents for Digi ETHERIOS ConnectCore 6

  • Page 1 ® ConnectCore 6 Linux BSP Reference Manual 90001403_A...
  • Page 2 Information in this document is subject to change without notice and does not represent a commitment on the part of Digi International. Digi provides this document “as is,” without warranty of any kind, expressed or implied, including, but not limited to, the implied warranties of fitness or merchantability for a particular purpose.

  • Page 3: Table Of Contents

    Wireless ..............15 © 2014 Digi International Inc.

  • Page 4: About The Connectcore 6 Linux Bsp

    ConnectCore 6 Linux BSP Reference Manual About the ConnectCore 6 Linux BSP This is a guide to supported devices and interfaces of the ConnectCore 6 platform in Digi Embedded Yocto 1.6. Linux Kernel Device Tree Introduction The Flattened Device Tree (FDT, or simply DT) is a data structure for describing the hardware in a system.

  • Page 5: Platform Device Tree Files

    U-Boot on the Device Tree before booting Linux. There is no generic Device Tree binding for the Bluetooth interface. Digi has created a bluetooth entry node to pass the driver the MAC address (filled-in by U-Boot) and the power down GPIO.

  • Page 6: Ethernet

    The ConnectCore 6 supports both Gigabit and 10/100 Ethernet. By default, the Ethernet interface is configured for Gigabit. Documentation/devicetree/bindings/net/fsl-fec.txt FEC driver Device Tree binding is described at To configure Ethernet for 10/100 you need to do the following change to the Device Tree: © 2014 Digi International Inc.
  • Page 7 Due to a HW bug on the Adapter board, 10/100 Ethernet does not work on the Adapter. ethaddr The MAC address is taken from U-Boot environment variable which is populated by U- Boot on the Device Tree before booting Linux. © 2014 Digi International Inc.

  • Page 8: Gpio

    The OTP bits can be read and programmed through the sysfs, under WARNING: Programming the OTP bits is an irreversible operation that could potentially brick your module. Please don’t program the OTP bits unless you are sure of what you are doing © 2014 Digi International Inc.

  • Page 9: Real Time Clock (Rtc)

    The driver only supports RS-232 mode. UART binding is described at bindings/tty/serial/fsl-imx-uart.txt The standard serial programming API applies to the serial ports. For information about serial Serial Programming HOWTO http://tldp.org/HOWTO/Serial- programming, see the Programming-HOWTO/index.html Serial Programming Guide for POSIX Operating Systems or the http://digilander.libero.it/robang/rubrica/serial.htm © 2014 Digi International Inc.

  • Page 10: Serial Peripheral Interface (Spi)

    The sound driver can be accessed using the ALSA API. ALSA utilities package also offer user space applications: • aplay: for playback • arecord: for recording • alsactl: for configuration • amixer: for specific control setup © 2014 Digi International Inc.

  • Page 11: Touch Screen

    SD card, and the config file must be changed to point to that block device instead. The CPU has four USB controllers. The default IOMUX exposes USB_OTG and USB_H1. Documentation/devicetree/bindings/usb/ci13xxx- USB Device Tree bindings are described at imx.txt Documentation/devicetree/bindings/usb/mxs-phy.txt. USB device USB_OTG port can work as USB device. © 2014 Digi International Inc.

  • Page 12: Serial Gadget

    File-backed mass storage gadget This gadget implements the USB Mass Storage class, appearing to the host as a SCSI disk drive. A file or block device can be used as a backing store for the drive. © 2014 Digi International Inc.

  • Page 13: Usb Host

    By default, the LVDS output is driven to LVDS0 (connector on the development board). To drive the output to LVDS1 (connector on the Adapter board) you need to do the following change to the Device Tree: © 2014 Digi International Inc.

  • Page 14: Backlight

    The watchdog test application sets the watchdog timeout value and refreshes the watchdog timer every second during the test time. After the test time is over, the watchdog is not refreshed anymore and the driver executes a reset. © 2014 Digi International Inc.

  • Page 15: Wireless

    Boot on the Device Tree before booting Linux. There is no generic Device Tree binding for the Bluetooth interface. Digi has created a wireless entry node to pass the driver the MAC address (filled-in by U-Boot) and the power down GPIO:     wireless {...

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