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-rw-r--r--Documentation/ABI/testing/sysfs-tty9
-rw-r--r--Documentation/devicetree/bindings/tty/serial/nxp-lpc32xx-hsuart.txt14
-rw-r--r--Documentation/devicetree/bindings/tty/serial/of-serial.txt2
-rw-r--r--Documentation/serial/00-INDEX2
-rw-r--r--Documentation/serial/computone.txt520
5 files changed, 25 insertions, 522 deletions
diff --git a/Documentation/ABI/testing/sysfs-tty b/Documentation/ABI/testing/sysfs-tty
index b138b663bf54..0c430150d929 100644
--- a/Documentation/ABI/testing/sysfs-tty
+++ b/Documentation/ABI/testing/sysfs-tty
@@ -17,3 +17,12 @@ Description:
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
+
diff --git a/Documentation/devicetree/bindings/tty/serial/nxp-lpc32xx-hsuart.txt b/Documentation/devicetree/bindings/tty/serial/nxp-lpc32xx-hsuart.txt
new file mode 100644
index 000000000000..0d439dfc1aa5
--- /dev/null
+++ b/Documentation/devicetree/bindings/tty/serial/nxp-lpc32xx-hsuart.txt
@@ -0,0 +1,14 @@
+* NXP LPC32xx SoC High Speed UART
+
+Required properties:
+- compatible: Should be "nxp,lpc3220-hsuart"
+- reg: Should contain registers location and length
+- interrupts: Should contain interrupt
+
+Example:
+
+ uart1: serial@40014000 {
+ compatible = "nxp,lpc3220-hsuart";
+ reg = <0x40014000 0x1000>;
+ interrupts = <26 0>;
+ };
diff --git a/Documentation/devicetree/bindings/tty/serial/of-serial.txt b/Documentation/devicetree/bindings/tty/serial/of-serial.txt
index 0847fdeee11a..ba385f2e0ddc 100644
--- a/Documentation/devicetree/bindings/tty/serial/of-serial.txt
+++ b/Documentation/devicetree/bindings/tty/serial/of-serial.txt
@@ -25,6 +25,8 @@ Optional properties:
accesses to the UART (e.g. TI davinci).
- used-by-rtas : set to indicate that the port is in use by the OpenFirmware
RTAS and should not be registered.
+- no-loopback-test: set to indicate that the port does not implements loopback
+ test mode
Example:
diff --git a/Documentation/serial/00-INDEX b/Documentation/serial/00-INDEX
index e09468ad3cb1..f7b0c7dc25ef 100644
--- a/Documentation/serial/00-INDEX
+++ b/Documentation/serial/00-INDEX
@@ -2,8 +2,6 @@
- this file.
README.cycladesZ
- info on Cyclades-Z firmware loading.
-computone.txt
- - info on Computone Intelliport II/Plus Multiport Serial Driver.
digiepca.txt
- info on Digi Intl. {PC,PCI,EISA}Xx and Xem series cards.
hayes-esp.txt
diff --git a/Documentation/serial/computone.txt b/Documentation/serial/computone.txt
deleted file mode 100644
index a6a1158ea2ba..000000000000
--- a/Documentation/serial/computone.txt
+++ /dev/null
@@ -1,520 +0,0 @@
-NOTE: This is an unmaintained driver. It is not guaranteed to work due to
-changes made in the tty layer in 2.6. If you wish to take over maintenance of
-this driver, contact Michael Warfield <mhw@wittsend.com>.
-
-Changelog:
-----------
-11-01-2001: Original Document
-
-10-29-2004: Minor misspelling & format fix, update status of driver.
- James Nelson <james4765@gmail.com>
-
-Computone Intelliport II/Plus Multiport Serial Driver
------------------------------------------------------
-
-Release Notes For Linux Kernel 2.2 and higher.
-These notes are for the drivers which have already been integrated into the
-kernel and have been tested on Linux kernels 2.0, 2.2, 2.3, and 2.4.
-
-Version: 1.2.14
-Date: 11/01/2001
-Historical Author: Andrew Manison <amanison@america.net>
-Primary Author: Doug McNash
-
-This file assumes that you are using the Computone drivers which are
-integrated into the kernel sources. For updating the drivers or installing
-drivers into kernels which do not already have Computone drivers, please
-refer to the instructions in the README.computone file in the driver patch.
-
-
-1. INTRODUCTION
-
-This driver supports the entire family of Intelliport II/Plus controllers
-with the exception of the MicroChannel controllers. It does not support
-products previous to the Intelliport II.
-
-This driver was developed on the v2.0.x Linux tree and has been tested up
-to v2.4.14; it will probably not work with earlier v1.X kernels,.
-
-
-2. QUICK INSTALLATION
-
-Hardware - If you have an ISA card, find a free interrupt and io port.
- List those in use with `cat /proc/interrupts` and
- `cat /proc/ioports`. Set the card dip switches to a free
- address. You may need to configure your BIOS to reserve an
- irq for an ISA card. PCI and EISA parameters are set
- automagically. Insert card into computer with the power off
- before or after drivers installation.
-
- Note the hardware address from the Computone ISA cards installed into
- the system. These are required for editing ip2.c or editing
- /etc/modprobe.d/*.conf, or for specification on the modprobe
- command line.
-
- Note that the /etc/modules.conf should be used for older (pre-2.6)
- kernels.
-
-Software -
-
-Module installation:
-
-a) Determine free irq/address to use if any (configure BIOS if need be)
-b) Run "make config" or "make menuconfig" or "make xconfig"
- Select (m) module for CONFIG_COMPUTONE under character
- devices. CONFIG_PCI and CONFIG_MODULES also may need to be set.
-c) Set address on ISA cards then:
- edit /usr/src/linux/drivers/char/ip2.c if needed
- or
- edit config file in /etc/modprobe.d/ if needed (module).
- or both to match this setting.
-d) Run "make modules"
-e) Run "make modules_install"
-f) Run "/sbin/depmod -a"
-g) install driver using `modprobe ip2 <options>` (options listed below)
-h) run ip2mkdev (either the script below or the binary version)
-
-
-Kernel installation:
-
-a) Determine free irq/address to use if any (configure BIOS if need be)
-b) Run "make config" or "make menuconfig" or "make xconfig"
- Select (y) kernel for CONFIG_COMPUTONE under character
- devices. CONFIG_PCI may need to be set if you have PCI bus.
-c) Set address on ISA cards then:
- edit /usr/src/linux/drivers/char/ip2.c
- (Optional - may be specified on kernel command line now)
-d) Run "make zImage" or whatever target you prefer.
-e) mv /usr/src/linux/arch/x86/boot/zImage to /boot.
-f) Add new config for this kernel into /etc/lilo.conf, run "lilo"
- or copy to a floppy disk and boot from that floppy disk.
-g) Reboot using this kernel
-h) run ip2mkdev (either the script below or the binary version)
-
-Kernel command line options:
-
-When compiling the driver into the kernel, io and irq may be
-compiled into the driver by editing ip2.c and setting the values for
-io and irq in the appropriate array. An alternative is to specify
-a command line parameter to the kernel at boot up.
-
- ip2=io0,irq0,io1,irq1,io2,irq2,io3,irq3
-
-Note that this order is very different from the specifications for the
-modload parameters which have separate IRQ and IO specifiers.
-
-The io port also selects PCI (1) and EISA (2) boards.
-
- io=0 No board
- io=1 PCI board
- io=2 EISA board
- else ISA board io address
-
-You only need to specify the boards which are present.
-
- Examples:
-
- 2 PCI boards:
-
- ip2=1,0,1,0
-
- 1 ISA board at 0x310 irq 5:
-
- ip2=0x310,5
-
-This can be added to and "append" option in lilo.conf similar to this:
-
- append="ip2=1,0,1,0"
-
-
-3. INSTALLATION
-
-Previously, the driver sources were packaged with a set of patch files
-to update the character drivers' makefile and configuration file, and other
-kernel source files. A build script (ip2build) was included which applies
-the patches if needed, and build any utilities needed.
-What you receive may be a single patch file in conventional kernel
-patch format build script. That form can also be applied by
-running patch -p1 < ThePatchFile. Otherwise run ip2build.
-
-The driver can be installed as a module (recommended) or built into the
-kernel. This is selected as for other drivers through the `make config`
-command from the root of the Linux source tree. If the driver is built
-into the kernel you will need to edit the file ip2.c to match the boards
-you are installing. See that file for instructions. If the driver is
-installed as a module the configuration can also be specified on the
-modprobe command line as follows:
-
- modprobe ip2 irq=irq1,irq2,irq3,irq4 io=addr1,addr2,addr3,addr4
-
-where irqnum is one of the valid Intelliport II interrupts (3,4,5,7,10,11,
-12,15) and addr1-4 are the base addresses for up to four controllers. If
-the irqs are not specified the driver uses the default in ip2.c (which
-selects polled mode). If no base addresses are specified the defaults in
-ip2.c are used. If you are autoloading the driver module with kerneld or
-kmod the base addresses and interrupt number must also be set in ip2.c
-and recompile or just insert and options line in /etc/modprobe.d/*.conf or both.
-The options line is equivalent to the command line and takes precedence over
-what is in ip2.c.
-
-config sample to put /etc/modprobe.d/*.conf:
- options ip2 io=1,0x328 irq=1,10
- alias char-major-71 ip2
- alias char-major-72 ip2
- alias char-major-73 ip2
-
-The equivalent in ip2.c:
-
-static int io[IP2_MAX_BOARDS]= { 1, 0x328, 0, 0 };
-static int irq[IP2_MAX_BOARDS] = { 1, 10, -1, -1 };
-
-The equivalent for the kernel command line (in lilo.conf):
-
- append="ip2=1,1,0x328,10"
-
-
-Note: Both io and irq should be updated to reflect YOUR system. An "io"
- address of 1 or 2 indicates a PCI or EISA card in the board table.
- The PCI or EISA irq will be assigned automatically.
-
-Specifying an invalid or in-use irq will default the driver into
-running in polled mode for that card. If all irq entries are 0 then
-all cards will operate in polled mode.
-
-If you select the driver as part of the kernel run :
-
- make zlilo (or whatever you do to create a bootable kernel)
-
-If you selected a module run :
-
- make modules && make modules_install
-
-The utility ip2mkdev (see 5 and 7 below) creates all the device nodes
-required by the driver. For a device to be created it must be configured
-in the driver and the board must be installed. Only devices corresponding
-to real IntelliPort II ports are created. With multiple boards and expansion
-boxes this will leave gaps in the sequence of device names. ip2mkdev uses
-Linux tty naming conventions: ttyF0 - ttyF255 for normal devices, and
-cuf0 - cuf255 for callout devices.
-
-
-4. USING THE DRIVERS
-
-As noted above, the driver implements the ports in accordance with Linux
-conventions, and the devices should be interchangeable with the standard
-serial devices. (This is a key point for problem reporting: please make
-sure that what you are trying do works on the ttySx/cuax ports first; then
-tell us what went wrong with the ip2 ports!)
-
-Higher speeds can be obtained using the setserial utility which remaps
-38,400 bps (extb) to 57,600 bps, 115,200 bps, or a custom speed.
-Intelliport II installations using the PowerPort expansion module can
-use the custom speed setting to select the highest speeds: 153,600 bps,
-230,400 bps, 307,200 bps, 460,800bps and 921,600 bps. The base for
-custom baud rate configuration is fixed at 921,600 for cards/expansion
-modules with ST654's and 115200 for those with Cirrus CD1400's. This
-corresponds to the maximum bit rates those chips are capable.
-For example if the baud base is 921600 and the baud divisor is 18 then
-the custom rate is 921600/18 = 51200 bps. See the setserial man page for
-complete details. Of course if stty accepts the higher rates now you can
-use that as well as the standard ioctls().
-
-
-5. ip2mkdev and assorted utilities...
-
-Several utilities, including the source for a binary ip2mkdev utility are
-available under .../drivers/char/ip2. These can be build by changing to
-that directory and typing "make" after the kernel has be built. If you do
-not wish to compile the binary utilities, the shell script below can be
-cut out and run as "ip2mkdev" to create the necessary device files. To
-use the ip2mkdev script, you must have procfs enabled and the proc file
-system mounted on /proc.
-
-
-6. NOTES
-
-This is a release version of the driver, but it is impossible to test it
-in all configurations of Linux. If there is any anomalous behaviour that
-does not match the standard serial port's behaviour please let us know.
-
-
-7. ip2mkdev shell script
-
-Previously, this script was simply attached here. It is now attached as a
-shar archive to make it easier to extract the script from the documentation.
-To create the ip2mkdev shell script change to a convenient directory (/tmp
-works just fine) and run the following command:
-
- unshar Documentation/serial/computone.txt
- (This file)
-
-You should now have a file ip2mkdev in your current working directory with
-permissions set to execute. Running that script with then create the
-necessary devices for the Computone boards, interfaces, and ports which
-are present on you system at the time it is run.
-
-
-#!/bin/sh
-# This is a shell archive (produced by GNU sharutils 4.2.1).
-# To extract the files from this archive, save it to some FILE, remove
-# everything before the `!/bin/sh' line above, then type `sh FILE'.
-#
-# Made on 2001-10-29 10:32 EST by <mhw@alcove.wittsend.com>.
-# Source directory was `/home2/src/tmp'.
-#
-# Existing files will *not* be overwritten unless `-c' is specified.
-#
-# This shar contains:
-# length mode name
-# ------ ---------- ------------------------------------------
-# 4251 -rwxr-xr-x ip2mkdev
-#
-save_IFS="${IFS}"
-IFS="${IFS}:"
-gettext_dir=FAILED
-locale_dir=FAILED
-first_param="$1"
-for dir in $PATH
-do
- if test "$gettext_dir" = FAILED && test -f $dir/gettext \
- && ($dir/gettext --version >/dev/null 2>&1)
- then
- set `$dir/gettext --version 2>&1`
- if test "$3" = GNU
- then
- gettext_dir=$dir
- fi
- fi
- if test "$locale_dir" = FAILED && test -f $dir/shar \
- && ($dir/shar --print-text-domain-dir >/dev/null 2>&1)
- then
- locale_dir=`$dir/shar --print-text-domain-dir`
- fi
-done
-IFS="$save_IFS"
-if test "$locale_dir" = FAILED || test "$gettext_dir" = FAILED
-then
- echo=echo
-else
- TEXTDOMAINDIR=$locale_dir
- export TEXTDOMAINDIR
- TEXTDOMAIN=sharutils
- export TEXTDOMAIN
- echo="$gettext_dir/gettext -s"
-fi
-if touch -am -t 200112312359.59 $$.touch >/dev/null 2>&1 && test ! -f 200112312359.59 -a -f $$.touch; then
- shar_touch='touch -am -t $1$2$3$4$5$6.$7 "$8"'
-elif touch -am 123123592001.59 $$.touch >/dev/null 2>&1 && test ! -f 123123592001.59 -a ! -f 123123592001.5 -a -f $$.touch; then
- shar_touch='touch -am $3$4$5$6$1$2.$7 "$8"'
-elif touch -am 1231235901 $$.touch >/dev/null 2>&1 && test ! -f 1231235901 -a -f $$.touch; then
- shar_touch='touch -am $3$4$5$6$2 "$8"'
-else
- shar_touch=:
- echo
- $echo 'WARNING: not restoring timestamps. Consider getting and'
- $echo "installing GNU \`touch', distributed in GNU File Utilities..."
- echo
-fi
-rm -f 200112312359.59 123123592001.59 123123592001.5 1231235901 $$.touch
-#
-if mkdir _sh17581; then
- $echo 'x -' 'creating lock directory'
-else
- $echo 'failed to create lock directory'
- exit 1
-fi
-# ============= ip2mkdev ==============
-if test -f 'ip2mkdev' && test "$first_param" != -c; then
- $echo 'x -' SKIPPING 'ip2mkdev' '(file already exists)'
-else
- $echo 'x -' extracting 'ip2mkdev' '(text)'
- sed 's/^X//' << 'SHAR_EOF' > 'ip2mkdev' &&
-#!/bin/sh -
-#
-# ip2mkdev
-#
-# Make or remove devices as needed for Computone Intelliport drivers
-#
-# First rule! If the dev file exists and you need it, don't mess
-# with it. That prevents us from screwing up open ttys, ownership
-# and permissions on a running system!
-#
-# This script will NOT remove devices that no longer exist if their
-# board or interface box has been removed. If you want to get rid
-# of them, you can manually do an "rm -f /dev/ttyF* /dev/cuaf*"
-# before running this script. Running this script will then recreate
-# all the valid devices.
-#
-# Michael H. Warfield
-# /\/\|=mhw=|\/\/
-# mhw@wittsend.com
-#
-# Updated 10/29/2000 for version 1.2.13 naming convention
-# under devfs. /\/\|=mhw=|\/\/
-#
-# Updated 03/09/2000 for devfs support in ip2 drivers. /\/\|=mhw=|\/\/
-#
-X
-if test -d /dev/ip2 ; then
-# This is devfs mode... We don't do anything except create symlinks
-# from the real devices to the old names!
-X cd /dev
-X echo "Creating symbolic links to devfs devices"
-X for i in `ls ip2` ; do
-X if test ! -L ip2$i ; then
-X # Remove it incase it wasn't a symlink (old device)
-X rm -f ip2$i
-X ln -s ip2/$i ip2$i
-X fi
-X done
-X for i in `( cd tts ; ls F* )` ; do
-X if test ! -L tty$i ; then
-X # Remove it incase it wasn't a symlink (old device)
-X rm -f tty$i
-X ln -s tts/$i tty$i
-X fi
-X done
-X for i in `( cd cua ; ls F* )` ; do
-X DEVNUMBER=`expr $i : 'F\(.*\)'`
-X if test ! -L cuf$DEVNUMBER ; then
-X # Remove it incase it wasn't a symlink (old device)
-X rm -f cuf$DEVNUMBER
-X ln -s cua/$i cuf$DEVNUMBER
-X fi
-X done
-X exit 0
-fi
-X
-if test ! -f /proc/tty/drivers
-then
-X echo "\
-Unable to check driver status.
-Make sure proc file system is mounted."
-X
-X exit 255
-fi
-X
-if test ! -f /proc/tty/driver/ip2
-then
-X echo "\
-Unable to locate ip2 proc file.
-Attempting to load driver"
-X
-X if /sbin/insmod ip2
-X then
-X if test ! -f /proc/tty/driver/ip2
-X then
-X echo "\
-Unable to locate ip2 proc file after loading driver.
-Driver initialization failure or driver version error.
-"
-X exit 255
-X fi
-X else
-X echo "Unable to load ip2 driver."
-X exit 255
-X fi
-fi
-X
-# Ok... So we got the driver loaded and we can locate the procfs files.
-# Next we need our major numbers.
-X
-TTYMAJOR=`sed -e '/^ip2/!d' -e '/\/dev\/tt/!d' -e 's/.*tt[^ ]*[ ]*\([0-9]*\)[ ]*.*/\1/' < /proc/tty/drivers`
-CUAMAJOR=`sed -e '/^ip2/!d' -e '/\/dev\/cu/!d' -e 's/.*cu[^ ]*[ ]*\([0-9]*\)[ ]*.*/\1/' < /proc/tty/drivers`
-BRDMAJOR=`sed -e '/^Driver: /!d' -e 's/.*IMajor=\([0-9]*\)[ ]*.*/\1/' < /proc/tty/driver/ip2`
-X
-echo "\
-TTYMAJOR = $TTYMAJOR
-CUAMAJOR = $CUAMAJOR
-BRDMAJOR = $BRDMAJOR
-"
-X
-# Ok... Now we should know our major numbers, if appropriate...
-# Now we need our boards and start the device loops.
-X
-grep '^Board [0-9]:' /proc/tty/driver/ip2 | while read token number type alltherest
-do
-X # The test for blank "type" will catch the stats lead-in lines
-X # if they exist in the file
-X if test "$type" = "vacant" -o "$type" = "Vacant" -o "$type" = ""
-X then
-X continue
-X fi
-X
-X BOARDNO=`expr "$number" : '\([0-9]\):'`
-X PORTS=`expr "$alltherest" : '.*ports=\([0-9]*\)' | tr ',' ' '`
-X MINORS=`expr "$alltherest" : '.*minors=\([0-9,]*\)' | tr ',' ' '`
-X
-X if test "$BOARDNO" = "" -o "$PORTS" = ""
-X then
-# This may be a bug. We should at least get this much information
-X echo "Unable to process board line"
-X continue
-X fi
-X
-X if test "$MINORS" = ""
-X then
-# Silently skip this one. This board seems to have no boxes
-X continue
-X fi
-X
-X echo "board $BOARDNO: $type ports = $PORTS; port numbers = $MINORS"
-X
-X if test "$BRDMAJOR" != ""
-X then
-X BRDMINOR=`expr $BOARDNO \* 4`
-X STSMINOR=`expr $BRDMINOR + 1`
-X if test ! -c /dev/ip2ipl$BOARDNO ; then
-X mknod /dev/ip2ipl$BOARDNO c $BRDMAJOR $BRDMINOR
-X fi
-X if test ! -c /dev/ip2stat$BOARDNO ; then
-X mknod /dev/ip2stat$BOARDNO c $BRDMAJOR $STSMINOR
-X fi
-X fi
-X
-X if test "$TTYMAJOR" != ""
-X then
-X PORTNO=$BOARDBASE
-X
-X for PORTNO in $MINORS
-X do
-X if test ! -c /dev/ttyF$PORTNO ; then
-X # We got the hardware but no device - make it
-X mknod /dev/ttyF$PORTNO c $TTYMAJOR $PORTNO
-X fi
-X done
-X fi
-X
-X if test "$CUAMAJOR" != ""
-X then
-X PORTNO=$BOARDBASE
-X
-X for PORTNO in $MINORS
-X do
-X if test ! -c /dev/cuf$PORTNO ; then
-X # We got the hardware but no device - make it
-X mknod /dev/cuf$PORTNO c $CUAMAJOR $PORTNO
-X fi
-X done
-X fi
-done
-X
-Xexit 0
-SHAR_EOF
- (set 20 01 10 29 10 32 01 'ip2mkdev'; eval "$shar_touch") &&
- chmod 0755 'ip2mkdev' ||
- $echo 'restore of' 'ip2mkdev' 'failed'
- if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \
- && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then
- md5sum -c << SHAR_EOF >/dev/null 2>&1 \
- || $echo 'ip2mkdev:' 'MD5 check failed'
-cb5717134509f38bad9fde6b1f79b4a4 ip2mkdev
-SHAR_EOF
- else
- shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'ip2mkdev'`"
- test 4251 -eq "$shar_count" ||
- $echo 'ip2mkdev:' 'original size' '4251,' 'current size' "$shar_count!"
- fi
-fi
-rm -fr _sh17581
-exit 0