Re: [PATCH v6 0/4] thermal: k3: Add support for bandgap sensors

[Daniel Lezcano]

Hi Keerthy,

On 07/04/2020 07:51, Keerthy wrote:
> 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.

How do you want to proceed? Shall I take patches 1 & 2 ?


> 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
> 


-- 
<http://www.linaro.org/> Linaro.org â Open source software for ARM SoCs

Follow Linaro:  <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog