linux-kernel - [PATCH v3 0/4] thermal: k3: Add support for bandgap sensors

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Message-ID: <20200219074314.22829-1-j-keerthy@ti.com>
Date:   Wed, 19 Feb 2020 13:13:10 +0530
From:   Keerthy <j-keerthy@...com>
To:     <rui.zhang@...el.com>, <robh+dt@...nel.org>,
        <daniel.lezcano@...aro.org>
CC:     <j-keerthy@...com>, <amit.kucheria@...durent.com>,
        <t-kristo@...com>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-pm@...r.kernel.org>,
        <mark.rutland@....com>
Subject: [PATCH v3 0/4] thermal: k3: Add support for bandgap sensors

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
and trend computing is supported.

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: am654: Add thermal zones
  arm64: dts: ti: am6: Add VTM node

 .../bindings/thermal/ti,am654-thermal.yaml    |  57 +++
 arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi    |  11 +
 .../dts/ti/k3-am654-industrial-thermal.dtsi   |  45 +++
 drivers/thermal/Kconfig                       |  12 +
 drivers/thermal/Makefile                      |   1 +
 drivers/thermal/k3_bandgap.c                  | 342 ++++++++++++++++++
 6 files changed, 468 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