linux-kernel - [PATCH 0/3] add sama5d2 PIOBU GPIO driver

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Message-ID: <1541603580-17448-1-git-send-email-andrei.stefanescu@microchip.com>
Date:   Wed, 7 Nov 2018 15:12:24 +0000
From:   <Andrei.Stefanescu@...rochip.com>
To:     <linus.walleij@...aro.org>, <gregkh@...uxfoundation.org>,
        <Nicolas.Ferre@...rochip.com>, <robh+dt@...nel.org>,
        <mark.rutland@....com>
CC:     <Ludovic.Desroches@...rochip.com>, <Cristian.Birsan@...rochip.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-gpio@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <Andrei.Stefanescu@...rochip.com>
Subject: [PATCH 0/3] add sama5d2 PIOBU GPIO driver

On sama5d2 SoC the PIOBU pins do not lose their
voltage during Backup/Self-refresh mode. This can
be useful, for example, when the voltage must remain
positive for a peripheral during Backup/Self-refresh
mode (suspend-to ram is the Linux equivalent state).

This patch series:
- documents the driver's necessary device tree bindings
- adds a MAINTAINER for the driver,
- provides a basic GPIO controller driver for them

Andrei Stefanescu (3):
  dt-bindings: gpio: add sama5d2 PIOBU support
  MAINTAINERS: add maintainer for sama5d2 PIOBU GPIO driver
  gpio: added driver for sama5d2 PIOBU pins

 .../bindings/gpio/gpio-sama5d2-piobu.txt           |  23 ++
 MAINTAINERS                                        |   7 +
 drivers/gpio/Kconfig                               |  10 +
 drivers/gpio/Makefile                              |   1 +
 drivers/gpio/gpio-sama5d2-piobu.c                  | 254 +++++++++++++++++++++
 5 files changed, 295 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/gpio/gpio-sama5d2-piobu.txt
 create mode 100644 drivers/gpio/gpio-sama5d2-piobu.c

-- 
2.7.4