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rtc: rtc-wm8350: add support for WM8350 RTC

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This adds support for the RTC provided by the Wolfson Microelectronics
WM8350.

This driver was originally written by Graeme Gregory and Liam Girdwood,
though it has been modified since then to update it to current mainline
coding standards and for API completeness.

[akpm@linux-foundation.org: s/schedule_timeout_interruptible/schedule_timeout_uninterruptible/ to prevent bogus timeout when signal_pending()]
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Cc: Liam Girdwood <linux@wolfsonmicro.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Mark Brown
2008-11-12 13:27:04 -08:00
committed by Linus Torvalds
parent a412ae3fb9
commit 077eaf5b40
4 changed files with 527 additions and 0 deletions
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10
drivers/rtc/Kconfig
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@@ -468,6 +468,16 @@ config RTC_DRV_V3020
This driver can also be built as a module. If so, the module
will be called rtc-v3020.
config RTC_DRV_WM8350
tristate "Wolfson Microelectronics WM8350 RTC"
depends on MFD_WM8350
help
If you say yes here you will get support for the RTC subsystem
of the Wolfson Microelectronics WM8350.
This driver can also be built as a module. If so, the module
will be called "rtc-wm8350".
comment "on-CPU RTC drivers"
config RTC_DRV_OMAP

1
drivers/rtc/Makefile
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@@ -66,4 +66,5 @@ obj-$(CONFIG_RTC_DRV_TEST) += rtc-test.o
obj-$(CONFIG_RTC_DRV_TWL4030) += rtc-twl4030.o
obj-$(CONFIG_RTC_DRV_V3020) += rtc-v3020.o
obj-$(CONFIG_RTC_DRV_VR41XX) += rtc-vr41xx.o
obj-$(CONFIG_RTC_DRV_WM8350) += rtc-wm8350.o
obj-$(CONFIG_RTC_DRV_X1205) += rtc-x1205.o

514
drivers/rtc/rtc-wm8350.c Normal file
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File diff suppressed because it is too large Load Diff

2
include/linux/mfd/wm8350/rtc.h
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@@ -261,6 +261,8 @@
struct wm8350_rtc {
struct platform_device *pdev;
struct rtc_device *rtc;
int alarm_enabled; /* used over suspend/resume */
};
#endif