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drivers/rtc: add support for Qualcomm PMIC8xxx RTC

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Add support for PMIC8xxx based RTC.  PMIC8xxx is Qualcomm's power
management IC that internally houses an RTC module.  This driver
communicates with the PMIC module over SSBI bus.

[akpm@linux-foundation.org: cosmetic tweaks]
Acked-by: Wan ZongShun <mcuos.com@gmail.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>
Signed-off-by: Ashay Jaiswal <ashayj@codeaurora.org>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Cc: Wan ZongShun <mcuos.com@gmail.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Anirudh Ghayal
2011-07-25 17:13:33 -07:00
committed by Linus Torvalds
parent cefe4fbbaa
commit 9a9a54ad7a
4 changed files with 586 additions and 0 deletions
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10
drivers/rtc/Kconfig
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@@ -1034,6 +1034,16 @@ config RTC_DRV_LPC32XX
This driver can also be buillt as a module. If so, the module
will be called rtc-lpc32xx.
config RTC_DRV_PM8XXX
tristate "Qualcomm PMIC8XXX RTC"
depends on MFD_PM8XXX
help
If you say yes here you get support for the
Qualcomm PMIC8XXX RTC.
To compile this driver as a module, choose M here: the
module will be called rtc-pm8xxx.
config RTC_DRV_TEGRA
tristate "NVIDIA Tegra Internal RTC driver"
depends on RTC_CLASS && ARCH_TEGRA

1
drivers/rtc/Makefile
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@@ -77,6 +77,7 @@ obj-$(CONFIG_RTC_DRV_PCF2123) += rtc-pcf2123.o
obj-$(CONFIG_RTC_DRV_PCF50633) += rtc-pcf50633.o
obj-$(CONFIG_RTC_DRV_PL030) += rtc-pl030.o
obj-$(CONFIG_RTC_DRV_PL031) += rtc-pl031.o
obj-$(CONFIG_RTC_DRV_PM8XXX) += rtc-pm8xxx.o
obj-$(CONFIG_RTC_DRV_PS3) += rtc-ps3.o
obj-$(CONFIG_RTC_DRV_PUV3) += rtc-puv3.o
obj-$(CONFIG_RTC_DRV_PXA) += rtc-pxa.o

550
drivers/rtc/rtc-pm8xxx.c Normal file
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25
include/linux/mfd/pm8xxx/rtc.h Normal file
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@@ -0,0 +1,25 @@
/* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __RTC_PM8XXX_H__
#define __RTC_PM8XXX_H__
#define PM8XXX_RTC_DEV_NAME "rtc-pm8xxx"
/**
* struct pm8xxx_rtc_pdata - RTC driver platform data
* @rtc_write_enable: variable stating RTC write capability
*/
struct pm8xxx_rtc_platform_data {
bool rtc_write_enable;
};
#endif /* __RTC_PM8XXX_H__ */