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From:   Talel Shenhar <talel@amazon.com>
To:     <edubezval@gmail.com>, <rui.zhang@intel.com>,
        <linux-kernel@vger.kernel.org>, <linux-pm@vger.kernel.org>,
        <robh+dt@kernel.org>, <mark.rutland@arm.com>,
        <devicetree@vger.kernel.org>, <talel@amazon.com>,
        <hhhawa@amazon.com>, <jonnyc@amazon.com>, <ronenk@amazon.com>,
        <hanochu@amazon.com>
Subject: [PATCH 0/2] Thermal MMIO Driver
Date:   Sun, 3 Mar 2019 10:49:24 +0200
Message-ID: <1551602966-2334-1-git-send-email-talel@amazon.com>
MIME-Version: 1.0
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Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

This series introduces the generic thermal MMIO driver that will use
memory mapped reads to get the temperature.  Any HW/System that
allows temperature reading by a single memory-mapped reading, be it
register or shared memory, is a potential candidate to work with this
driver.

This driver is most suitable for cases such as the following:
- The entire thermal HW setup is done by another SW entity (e.g.
  bootloader) and all that is left is to read the current temperature from
  a register.
- The thermal HW setup is done via an external CPU (e.g. micro-controller)
  and that CPU has is using shared memory that can be memory-mapped to this
  driver.
- The thermal HW setup and reading is done via CPLD, which exports the
  current temperature to the system via a register.
- The thermal HW is working out-of-the-box and only reports temperature via
  a single register access.


Talel Shenhar (2):
  dt-bindings: thermal: thermal_mmio: Add binding documentation
  thermal: Introduce thermal MMIO

 .../devicetree/bindings/thermal/thermal_mmio.txt   | 173 +++++++++++++++++
 drivers/thermal/Kconfig                            |  11 ++
 drivers/thermal/Makefile                           |   3 +
 drivers/thermal/thermal_mmio.c                     | 214 +++++++++++++++++++++
 4 files changed, 401 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/thermal/thermal_mmio.txt
 create mode 100644 drivers/thermal/thermal_mmio.c

-- 
2.7.4