linux-kernel - [PATCH v4 0/3] Add Mediatek SoC RTC driver

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Message-ID: <1430897022-63357-1-git-send-email-eddie.huang@mediatek.com>
Date:	Wed, 6 May 2015 15:23:39 +0800
From:	Eddie Huang <eddie.huang@...iatek.com>
To:	Lee Jones <lee.jones@...aro.org>,
	Alessandro Zummo <a.zummo@...ertech.it>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
CC:	<srv_heupstream@...iatek.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Greg KH <gregkh@...uxfoundation.org>,
	"David S. Miller" <davem@...emloft.net>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Joe Perches <joe@...ches.com>, Tejun Heo <tj@...nel.org>,
	<linux-kernel@...r.kernel.org>, <rtc-linux@...glegroups.com>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-mediatek@...ts.infradead.org>,
	Sascha Hauer <kernel@...gutronix.de>,
	Tomasz Figa <tfiga@...gle.com>
Subject: [PATCH v4 0/3] Add Mediatek SoC RTC driver 

RTC is one submodule of Mediatek MT6397 PMIC chip[1]. This series
support RTC driver that work with Mediatek SoC like MT8135, MT8173.
It implements second counter and also provide alarm function.

This series base on 4.1-rc1, Test ok on MT8173 platform.

[1] https://lkml.org/lkml/2015/1/23/325

Change in v4:
1. Align mt6397-core.c resource in straight lines.
2. Modify mtk_rtc_write_trigger according Joe Perches and
   Alexandre Belloni suggestion.
3. Align function parameters to the open parenthesis.
4. Modify MAINTAINER to use file full name.

Change in v3:
1. Replace magic number in mt6397-core.c
2. Add comment for some equation and write trigger.
3. Use regmap_bulk_read and regmap_bulk_write to avoid muliple regmap_read
   and regmap_write
4. Replace devm_request_threaded_irq with request_threaded_irq and add
   irq_dispose_mapping
5. Fix Tomasz Figa review comment.

Change in v2:
1. Move RTC address and interrupt to mt6397-core.c, and register
   these resource in mfd_cell.
   http://lists.infradead.org/pipermail/linux-arm-kernel/2015-February/323239.html
2. Remove dt-binding document due to register resouce in mfd_cell, not from
   device tree.
3. Update MAINTAINER file to add Mediatek RTC mainainter.
4. Add prefix mtk_ to some internal functions.
5. Fix racy condition
6. Check return value of regmap_read and regmap_write
7. Remove some unnecessary register readback, clear, then write.
8. Add disable alarm in mtk_rtc_set_alarm function
9. Fix Uwe Kleine-König review comment

Eddie Huang (2):
  mfd: provide RTC resource in MT6397 MFD
  MAINTAINERS: add Mediatek RTC driver

Tianping Fang (1):
  rtc: mediatek: Add MT6397 RTC driver

 MAINTAINERS               |   7 +
 drivers/mfd/mt6397-core.c |  18 +++
 drivers/rtc/Kconfig       |  10 ++
 drivers/rtc/Makefile      |   1 +
 drivers/rtc/rtc-mt6397.c  | 394 ++++++++++++++++++++++++++++++++++++++++++++++
 5 files changed, 430 insertions(+)
 create mode 100644 drivers/rtc/rtc-mt6397.c

--
1.8.1.1.dirty

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