From 373bac4cf4c3198cc6d6b9aec7c5d576a06f1f1c Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 29 Oct 2012 15:20:40 +0000 Subject: uart: add other serial core layer get attributes Signed-off-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- Documentation/ABI/testing/sysfs-tty | 112 ++++++++++++++++++++++++++++++++++++ 1 file changed, 112 insertions(+) (limited to 'Documentation/ABI') diff --git a/Documentation/ABI/testing/sysfs-tty b/Documentation/ABI/testing/sysfs-tty index 0c430150d92..ad22fb0ee76 100644 --- a/Documentation/ABI/testing/sysfs-tty +++ b/Documentation/ABI/testing/sysfs-tty @@ -26,3 +26,115 @@ Description: 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 +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 +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 +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 +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 +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 +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 +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 +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 +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 +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 +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 +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. -- cgit v1.2.3-70-g09d2