linux-kernel - [PATCH v5 0/2] power: reset: support for Atmel alternative Shutdown Controller

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Message-ID: <1458134390-23847-1-git-send-email-nicolas.ferre@atmel.com>
Date:	Wed, 16 Mar 2016 14:19:48 +0100
From:	Nicolas Ferre <nicolas.ferre@...el.com>
To:	<linux-arm-kernel@...ts.infradead.org>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	<sre@...nel.org>
CC:	<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<robh+dt@...nel.org>, <pawel.moll@....com>, <mark.rutland@....com>,
	<ijc+devicetree@...lion.org.uk>,
	Nicolas Ferre <nicolas.ferre@...el.com>
Subject: [PATCH v5 0/2] power: reset: support for Atmel alternative Shutdown Controller

This is a series to add driver for a new Atmel Shutdown Controller. This new IP
is extensible and some features will be added later (see the TODO section).
Its extensible nature led to write a new binding so that wake-up sources can be
described easily.

Changes in v5:
- Instead of the "alternate shdwc" we choose a more specific
  "sama5d2-compatible shdwc" wording. Change file name, in Kconfig, and the
  MAINTAINERS file:
  at91-shdwc.c -> at91-sama5d2_shdwc.c
  "ATMEL AT91 Alternative Shutdown Controller" -> "ATMEL AT91 SAMA5D2-Compatible
  Shutdown Controller"
- fix one indentation mismatch

Changes in v4:
- change property to debounce-delay-us so that we can use a generic property
  and we can have the unit explicitly included it the name according to
  Documentation/devicetree/bindings/property-units.txt.
- move to atmel,wakeup-active-high boolean property instead of a "high", "low"
  string comparison.
- fix warning found by 0-day robot: large integer implicitly truncated to
  unsigned type [-Woverflow]
- move to the property debounce-delay-us
- move to atmel,wakeup-active-high boolean
- add entry in MAINTAINERS file

Changes in v3:
- get and use slow clock and specify its handler in binding
- add the slow clock handle as the IP uses it
- remove useless protection at the beginning of pm_power_off handler
- allow to compile it as a module
- add COMPILE_TEST directive in Kconfig
- update description in file header

Changes in v2:
- add MODULE_DEVICE_TABLE as advised by Sebastian Reichel
- review indentation and braces to correct errors pointed out by checkpatch

Nicolas Ferre (2):
  ARM: dts: at91: shdwc binding: add new shutdown controller
    documentation
  power: reset: at91-shdwc: add new shutdown controller driver

 .../devicetree/bindings/arm/atmel-at91.txt         |  59 +++++
 MAINTAINERS                                        |   5 +
 drivers/power/reset/Kconfig                        |   8 +
 drivers/power/reset/Makefile                       |   1 +
 drivers/power/reset/at91-sama5d2_shdwc.c           | 282 +++++++++++++++++++++
 5 files changed, 355 insertions(+)
 create mode 100644 drivers/power/reset/at91-sama5d2_shdwc.c

-- 
2.1.3