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From:   Keerthy <j-keerthy@ti.com>
To:     <rui.zhang@intel.com>, <robh+dt@kernel.org>,
        <daniel.lezcano@linaro.org>
CC:     <j-keerthy@ti.com>, <amit.kucheria@verdurent.com>,
        <t-kristo@ti.com>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>, <linux-pm@vger.kernel.org>,
        <mark.rutland@arm.com>
Subject: [PATCH v6 0/4] thermal: k3: Add support for bandgap sensors
Date:   Tue, 7 Apr 2020 11:21:12 +0530
Message-ID: <20200407055116.16082-1-j-keerthy@ti.com>
MIME-Version: 1.0
Content-Type: text/plain
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Add VTM thermal support. In the Voltage Thermal
Management Module(VTM), K3 AM654 supplies a voltage
reference and a temperature sensor feature that are gathered in the band
gap voltage and temperature sensor (VBGAPTS) module. The band
gap provides current and voltage reference for its internal
circuits and other analog IP blocks. The analog-to-digital
converter (ADC) produces an output value that is proportional
to the silicon temperature.

Add support for bandgap sensors. Currently reading temperatures
is supported.

Changes in v6:

  * Removed bunch of unused #defines and couple of redundant variables.
  * Reordered patches a bit.
  * Minor reordering in dt binding patch.

Changes in v5:

  * Removed thermal work function which was unused.
  * Removed unused preve_tenmp and a couple more struct variables.
  * Removed couple of redundant header function include.

Changes in v4:

  * Fixed comments from Daniel to remove trend function.
  * Mostly cleaned up all the unused variables.
  * Driver from bool to tristate.

Changes in v3:

  * Fixed errors seen with:
    dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/thermal/ti,am654-thermal.yaml

Changes in v2:

  * Fixed yaml errors
  * renamed am654-industrial-thermal.dtsi to k3-am654-industrial-thermal.dtsi
    to follow the convention for k3 family.  

Keerthy (4):
  dt-bindings: thermal: k3: Add VTM bindings documentation
  thermal: k3: Add support for bandgap sensors
  arm64: dts: ti: am65-wakeup: Add VTM node
  arm64: dts: ti: am654: Add thermal zones

 .../bindings/thermal/ti,am654-thermal.yaml    |  56 ++++
 arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi    |  11 +
 .../dts/ti/k3-am654-industrial-thermal.dtsi   |  45 +++
 drivers/thermal/Kconfig                       |  10 +
 drivers/thermal/Makefile                      |   1 +
 drivers/thermal/k3_bandgap.c                  | 264 ++++++++++++++++++
 6 files changed, 387 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/thermal/ti,am654-thermal.yaml
 create mode 100644 arch/arm64/boot/dts/ti/k3-am654-industrial-thermal.dtsi
 create mode 100644 drivers/thermal/k3_bandgap.c

-- 
2.17.1