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What: /sys/class/tty/console/active
Date: Nov 2010
Contact: Kay Sievers <kay.sievers@vrfy.org>
Description:
Shows the list of currently configured
tty devices used for the console,
like 'tty1 ttyS0'.
The last entry in the file is the active
device connected to /dev/console.
The file supports poll() to detect virtual
console switches.
What: /sys/class/tty/tty0/active
Date: Nov 2010
Contact: Kay Sievers <kay.sievers@vrfy.org>
Description:
Shows the currently active virtual console
device, like 'tty1'.
The file supports poll() to detect virtual
console switches.
What: /sys/class/tty/ttyS0/uartclk
Date: Sep 2012
Contact: Tomas Hlavacek <tmshlvck@gmail.com>
Description:
Shows the current uartclk value associated with the
UART port in serial_core, that is bound to TTY like ttyS0.
uartclk = 16 * baud_base
These sysfs values expose the TIOCGSERIAL interface via
sysfs rather than via ioctls.
What: /sys/class/tty/ttyS0/type
Date: October 2012
Contact: Alan Cox <alan@linux.intel.com>
Description:
Shows the current tty type for this port.
These sysfs values expose the TIOCGSERIAL interface via
sysfs rather than via ioctls.
What: /sys/class/tty/ttyS0/line
Date: October 2012
Contact: Alan Cox <alan@linux.intel.com>
Description:
Shows the current tty line number for this port.
These sysfs values expose the TIOCGSERIAL interface via
sysfs rather than via ioctls.
What: /sys/class/tty/ttyS0/port
Date: October 2012
Contact: Alan Cox <alan@linux.intel.com>
Description:
Shows the current tty port I/O address for this port.
These sysfs values expose the TIOCGSERIAL interface via
sysfs rather than via ioctls.
What: /sys/class/tty/ttyS0/irq
Date: October 2012
Contact: Alan Cox <alan@linux.intel.com>
Description:
Shows the current primary interrupt for this port.
These sysfs values expose the TIOCGSERIAL interface via
sysfs rather than via ioctls.
What: /sys/class/tty/ttyS0/flags
Date: October 2012
Contact: Alan Cox <alan@linux.intel.com>
Description:
Show the tty port status flags for this port.
These sysfs values expose the TIOCGSERIAL interface via
sysfs rather than via ioctls.
What: /sys/class/tty/ttyS0/xmit_fifo_size
Date: October 2012
Contact: Alan Cox <alan@linux.intel.com>
Description:
Show the transmit FIFO size for this port.
These sysfs values expose the TIOCGSERIAL interface via
sysfs rather than via ioctls.
What: /sys/class/tty/ttyS0/close_delay
Date: October 2012
Contact: Alan Cox <alan@linux.intel.com>
Description:
Show the closing delay time for this port in ms.
These sysfs values expose the TIOCGSERIAL interface via
sysfs rather than via ioctls.
What: /sys/class/tty/ttyS0/closing_wait
Date: October 2012
Contact: Alan Cox <alan@linux.intel.com>
Description:
Show the close wait time for this port in ms.
These sysfs values expose the TIOCGSERIAL interface via
sysfs rather than via ioctls.
What: /sys/class/tty/ttyS0/custom_divisor
Date: October 2012
Contact: Alan Cox <alan@linux.intel.com>
Description:
Show the custom divisor if any that is set on this port.
These sysfs values expose the TIOCGSERIAL interface via
sysfs rather than via ioctls.
What: /sys/class/tty/ttyS0/io_type
Date: October 2012
Contact: Alan Cox <alan@linux.intel.com>
Description:
Show the I/O type that is to be used with the iomem base
address.
These sysfs values expose the TIOCGSERIAL interface via
sysfs rather than via ioctls.
What: /sys/class/tty/ttyS0/iomem_base
Date: October 2012
Contact: Alan Cox <alan@linux.intel.com>
Description:
The I/O memory base for this port.
These sysfs values expose the TIOCGSERIAL interface via
sysfs rather than via ioctls.
What: /sys/class/tty/ttyS0/iomem_reg_shift
Date: October 2012
Contact: Alan Cox <alan@linux.intel.com>
Description:
Show the register shift indicating the spacing to be used
for accesses on this iomem address.
These sysfs values expose the TIOCGSERIAL interface via
sysfs rather than via ioctls.
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