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path: root/drivers/rtc
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2006-06-25[PATCH] RTC: add rtc-ds1742 driverAtsushi Nemoto3-0/+270
Add an RTC driver for the Dallas DS1742 RTC chip. [akpm@osdl.org: cleanups, compile fix] Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-25[PATCH] RTC: add rtc-ds1553 driverAtsushi Nemoto3-0/+425
Add an RTC driver for the Dallas DS1553 RTC chip. [akpm@osdl.org: cleanups, compile fix] Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-25[PATCH] at91rm9200-rtc-driver-tidyAndrew Morton1-30/+49
- whitespace fixes (80-col display) - one unneeded cast of void* Cc: Andrew Victor <andrew@sanpeople.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-25[PATCH] AT91RM9200 RTC driverAndrew Victor3-0/+395
Adds support for the RTC integrated in the Atmel AT91RM9200 SoC. Driver was originally written for 2.4 by Rick Bronson. Then converted to 2.6 ARM RTC API by Steven Scholz. Now converted to the RTC class model. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-25[PATCH] RTC: Add rtc_year_days() to calculate tm_ydayAndrew Victor1-0/+19
RTC: Add exported function rtc_year_days() to calculate the tm_yday value. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-25[PATCH] Add v3020 RTC supportRaphael Assenat3-0/+275
This patch adds support for the v3020 RTC from EM Microelectronic. The v3020 RTC is designed to be connected on a bus using only one data bit. Since any data bit may be used, it is necessary to specify this to the driver by passing a struct v3020_platform_data pointer (see include/linux/rtc-v3020.h) to the driver. Part of the following code comes from the kernel patchs produced by Compulab for their products. The original file (available here: http://raph.people.8d.com/misc/emv3020.c) was released under the terms of the GPL license. [akpm@osdl.org: cleanups] Signed-off-by: Raphael Assenat <raph@raphnet.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-25[PATCH] Add max6902 RTC supportRaphael Assenat3-0/+297
Add support for the MAX6902 SPI RTC chip. Tested on a pxa2xx cpu. The compulab code comes from the kernel patch the produce for their cn-x255 board. (inside a zip file on the http://www.compulab.co.il/x255/html/x255-developer.htm) The original file (drivers/char/max6902.c) was GPL, which is of course an appropriate licence: /* * max6902.c * * Driver for MAX6902 RTC * * Copyright (C) 2004 Compulab Ltd. * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * */ For reference, you can get the original file here: http://raph.people.8d.com/misc/max6902.c [akpm@osdl.org: cleanups] Signed-off-by: Raphael Assenat <raph@raphnet.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-25[PATCH] rtc subsystem: add capability checksAlessandro Zummo4-19/+23
Centralize CAP_SYS_XXX checks to avoid duplicate code and missing checks in the drivers. Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-25[PATCH] rtc subsystem, fix capability checks in kernel interfaceAlessandro Zummo1-16/+6
Remove commented capability checks and add some others. Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-25[PATCH] drivers/acorn/char/pcf8583.[hc] vs. RTC subsystemG. Liakhovetski3-0/+405
A port of the driver for the pcf8583 i2c rtc controller to the generic RTC framework by Alessandro Zummo. Based on drivers/acorn/char/{pcf8583.[hc],i2c.c}. Hopefully, acorn can be converted too to use this driver in the future. Signed-off-by: G. Liakhovetski <gl@dsa-ac.de> Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-25[PATCH] RTC: rtc-dev UIE emulationAtsushi Nemoto2-0/+109
Import genrtc's RTC UIE emulation (CONFIG_GEN_RTC_X) to rtc-dev driver with slight adjustments/refinements. This makes UIE-less rtc drivers work better with programs doing read/poll on /dev/rtc, such as hwclock. This emulation should not harm rtc drivers with UIE support, since rtc_dev_ioctl() calls underlaying rtc driver's ioctl() first. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Acked-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-25[PATCH] "RTC-framework" driver for DS1307 and similar RTC chipsDavid Brownell3-0/+407
This is an "RTC-framework" driver for DS1307 and similar RTC chips, It should be a full replacement for the existing ds1337.c driver (using the older RTC glue), giving a net increase in the number of RTC chips that work out-of-the-box. There's a whole cluster of RTCs that are very similar, but the 1337 driver was a bit too picky to work with most of them. Still no support for RTC alarm IRQs (on chips that support them). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: James Chapman <jchapman@katalix.com> Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-25[PATCH] Add driver for ARM AMBA PL031 RTCDeepak Saxena3-0/+244
Add a driver for the ARM PL031 RTC found on some ARM SOCs. The driver is fairly trivial as the RTC only provides a read/write and alarm capability. [akpm@osdl.org: compile fix] Signed-off-by: Deepak <dsaxena@plexity.net> Acked-by: Alessandro Zummo <a.zummo@towertech.it> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-05[PATCH] m48t86: ia64 build fixAndrew Morton1-36/+36
From: Andrew Morton <akpm@osdl.org> drivers/rtc/rtc-m48t86.c: In function `m48t86_rtc_read_time': drivers/rtc/rtc-m48t86.c:51: error: structure has no member named `ia64_mv' drivers/rtc/rtc-m48t86.c:55: error: structure has no member named `ia64_mv' drivers/rtc/rtc-m48t86.c:56: error: structure has no member named `ia64_mv' drivers/rtc/rtc-m48t86.c:57: error: structure has no member named `ia64_mv' drivers/rtc/rtc-m48t86.c:58: error: structure has no member named `ia64_mv' drivers/rtc/rtc-m48t86.c:60: error: structure has no member named `ia64_mv' readb() and writeb() are macros on ia64. Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-21[PATCH] rtc subsystem: use ENOIOCTLCMD and ENOTTY where appropriateAlessandro Zummo4-6/+6
Appropriately use -ENOIOCTLCMD and -ENOTTY when the ioctl is not implemented by a driver. (akpm: we're not allowed to return -ENOIOCTLCMD to userspace. This patch does the right thing). Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-06[ARM] rtc-sa1100: fix compiler warnings and error cleanupRussell King1-3/+3
Fix: drivers/rtc/rtc-sa1100.c: In function `sa1100_rtc_proc': drivers/rtc/rtc-sa1100.c:298: warning: unsigned int format, long unsigned int arg (arg 3) and arrange for sa1100_rtc_open() to pass the devid to free_irq() rather than NULL. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-05-02[PATCH] RTC: rtc-dev tweak for 64-bit kernelAtsushi Nemoto1-6/+11
Make rtc-dev work well on 64-bit platforms with 32-bit userland. On those platforms, users might try to read 32-bit integer value. This patch make rtc-dev's read() work well for both "int" and "long" size. This tweak is came from genrtc driver. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-04-11[PATCH] RTC subsystem: VR41XX cleanupAlessandro Zummo1-1/+7
Clean up kconfig entry for the rtc-vr41xx. Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Cc: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-04-11[PATCH] RTC subsystem: VR41XX driverYoichi Yuasa3-0/+476
This patch updates VR4100 series RTC driver. * This driver supports new RTC subsystem. * Simple set time/read time test worked fine. Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-04-11[PATCH] RTC subsystem: SA1100 cleanupAlessandro Zummo1-8/+5
- convert printks to dev_xxx - remove messages in excess Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-04-11[PATCH] RTC subsystem: compact error messagesAlessandro Zummo9-15/+3
Move registration error message from drivers to core. Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Cc: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-04-11[PATCH] RTC subsystem: RS5C372 sysfs fixAlessandro Zummo1-8/+10
Fix sysfs show() return code Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-04-11[PATCH] RTC subsystem: fix proc outputAlessandro Zummo7-17/+4
Move the "24hr: yes" proc output from drivers to rtc proc code. This is required because the time value in the proc output is always in 24hr mode regardless of the driver. Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Cc: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-04-11[PATCH] RTC subsystem: whitespaces and error messages cleanupAlessandro Zummo4-9/+1
- fix whitespace - remove some debugging in excess Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-04-11[PATCH] RTC subsystem: X1205 sysfs cleanupAlessandro Zummo1-10/+12
Fix sysfs show() return code Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-04-11[PATCH] RTC subsystem: DS1672 cleanupAlessandro Zummo1-19/+10
- removed a duplicate error message - bumped driver version - removed some debugging messages in excess - refined the formatting - adjusted copyright notice Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-04-11[PATCH] RTC subsystem: DS1672 oscillator handlingKumar Gala1-3/+58
* Always enable the oscillator when we set the time * If the oscillator is disable when we probe the RTC report back a warning to the user * Added sysfs attribute to represent the state of the oscillator Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-27[PATCH] RTC subsystem: M48T86 driverAlessandro Zummo3-0/+220
Add a driver for the ST M48T86 / Dallas DS12887 RTC. This is a platform driver. The platform device must provide I/O routines to access the RTC. Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-27[PATCH] RTC subsystem: SA1100/PXA2XX driverRichard Purdie3-0/+398
Add an RTC subsystem driver for the ARM SA1100/PXA2XX processor RTC. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-27[PATCH] RTC subsystem: EP93XX driverAlessandro Zummo3-1/+174
This patch adds a driver for the RTC embedded in the Cirrus Logic EP93XX family of processors. Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-27[PATCH] RTC subsystem: RS5C372 driverAlessandro Zummo3-0/+305
RTC class aware driver for the Ricoh RS5C372 chip used, among others, on the Synology DS101. Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-27[PATCH] RTC subsystem: PCF8563 driverAlessandro Zummo3-0/+365
An RTC class aware driver for the Philips PCF8563 RTC and Epson RTC8564 chips. This chip is used on the Iomega NAS100D. Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-27[PATCH] RTC subsystem: DS1672 driverAlessandro Zummo3-0/+244
Driver for the Dallas/Maxim DS1672 chip, found on the Loft (http://www.giantshoulderinc.com). Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-27[PATCH] RTC subsystem: test device/driverAlessandro Zummo3-0/+220
Interrupts can be generated by echo "alarm|tick|update" >/sys/class/rtc/rtcX/device/irq Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-27[PATCH] RTC subsystem: X1205 driverAlessandro Zummo3-0/+632
A port of the existing x1205 driver under the new RTC subsystem. It is actually under test within the NSLU2 project (http://www.nslu2-linux.org) and it is working quite well. It is the first driver under this new subsystem and should be used as a guide to port other drivers. Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-27[PATCH] RTC subsystem: dev interfaceAlessandro Zummo3-0/+394
Add the dev interface to the RTC subsystem. Each RTC will be available under /dev/rtcX . A symlink from /dev/rtc0 to /dev/rtc cab be obtained with the following udev rule: KERNEL=="rtc0", SYMLINK+="rtc" Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-27[PATCH] RTC subsystem: proc interfaceAlessandro Zummo3-1/+174
Add the proc interface to the RTC subsystem. The first RTC driver which registers with the class will be accessible by /proc/driver/rtc . This is required for compatibility with the standard RTC driver and to avoid breaking any user space application which may erroneusly rely on this. Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-27[PATCH] RTC subsystem: sysfs interfaceAlessandro Zummo3-0/+138
This patch adds the sysfs interface to the RTC subsystem. Each RTC client will have his own entry under /sys/classs/rtc/rtcN . Within this entry some attributes are exported by the subsystem, like date and time. Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-27[PATCH] RTC subsystem: classAlessandro Zummo5-3/+537
Add the basic RTC subsystem infrastructure to the kernel. rtc/class.c - registration facilities for RTC drivers rtc/interface.c - kernel/rtc interface functions rtc/hctosys.c - snippet of code that copies hw clock to sw clock at bootup, if configured to do so. Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-27[PATCH] RTC Subsystem: library functionsAlessandro Zummo3-0/+112
RTC and date/time related functions. Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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