linux-kernel - Re: [PATCH v3 0/6] Add support of New Amlogic temperature sensor for G12 SoCs

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Message-Id: <357FACA6-6EAC-4E9D-B6F7-4D8D0D59A20A@gmail.com>
Date:   Wed, 14 Aug 2019 16:24:51 +0400
From:   Christian Hewitt <christianshewitt@...il.com>
To:     Guillaume La Roque <glaroque@...libre.com>
Cc:     daniel.lezcano@...aro.org, khilman@...libre.com,
        devicetree@...r.kernel.org, linux-amlogic@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-pm@...r.kernel.org
Subject: Re: [PATCH v3 0/6] Add support of New Amlogic temperature sensor for
 G12 SoCs

On 6 Aug 2019, at 5:05 pm, Guillaume La Roque <glaroque@...libre.com> wrote:
> 
> This patchs series add support of New Amlogic temperature sensor and minimal
> thermal zone for SEI510 and ODROID-N2 boards.
> 
> First implementation was doing on IIO[1] but after comments i move on thermal framework.
> Formulas and calibration values come from amlogic.
> 
> Changes since v2:
>  - fix yaml documention 
>  - remove unneeded status variable for temperature-sensor node
>  - rework driver after Martin review
>  - add some information in commit message
> 
> Changes since v1:
>  - fix enum vs const in documentation
>  - fix error with thermal-sensor-cells value set to 1 instead of 0
>  - add some dependencies needed to add cooling-maps
> 
> Dependencies :
> - patch 3,4 & 5: depends on Neil's patch and series :
>              - missing dwc2 phy-names[2]
>              - patchsets to add DVFS on G12a[3] which have deps on [4] and [5]
> 
> [1] https://lore.kernel.org/linux-amlogic/20190604144714.2009-1-glaroque@baylibre.com/
> [2] https://lore.kernel.org/linux-amlogic/20190625123647.26117-1-narmstrong@baylibre.com/
> [3] https://lore.kernel.org/linux-amlogic/20190729132622.7566-1-narmstrong@baylibre.com/
> [4] https://lore.kernel.org/linux-amlogic/20190731084019.8451-5-narmstrong@baylibre.com/
> [5] https://lore.kernel.org/linux-amlogic/20190729132622.7566-3-narmstrong@baylibre.com/
> 
> Guillaume La Roque (6):
>  dt-bindings: thermal: Add DT bindings documentation for Amlogic
>    Thermal
>  thermal: amlogic: Add thermal driver to support G12 SoCs
>  arm64: dts: amlogic: g12: add temperature sensor
>  arm64: dts: meson: sei510: Add minimal thermal zone
>  arm64: dts: amlogic: odroid-n2: add minimal thermal zone
>  MAINTAINERS: add entry for Amlogic Thermal driver

Tested-by: Christian Hewitt <christianshewitt@...il.com>

I’ve tested this series with Odroid N2 and Khadas VIM3, X96-Max. Patches to add
support for VIM3/X96-max will be submitted once the driver is merged.

VIM3:~ # dmesg | grep thermal
[    0.046375] thermal_sys: Registered thermal governor 'step_wise'

VIM3:~ # cat /sys/devices/virtual/thermal/thermal_zone0/temp
51300

VIM3:~ # cat /sys/devices/virtual/thermal/thermal_zone1/temp
52800

Christian