[PATCH 00/27] Add multi-channel and overheat IRQ support to Armada thermal driver
Gregory CLEMENT
gregory.clement at bootlin.com
Wed May 16 10:28:45 PDT 2018
Hi Miquel,
On sam., avril 21 2018, Miquel Raynal <miquel.raynal at bootlin.com> wrote:
> The only capability of the Armada thermal driver is currently just to
> read one sensor (the default one) per AP and one per CP.
>
> Actually, there is one sensor per core in the AP806 plus one sensor in
> the thermal IP itself. The CP110 just features one thermal sensor in its
> own thermal IP.
>
> Also, there is no need for the thermal core to poll the temperature of
> each sensor by software as this IP (at least for AP806 and CP110
> compatibles) features an hardware overheat interrupt.
>
> This series first improves the readability of this driver, then adds
> support for multi-channel thermal IPs, and finally adds support for the
> hardware overheat interrupt. The bindings and the device-trees are
> updated accordingly.
>
> Please note that the thermal IP raises SEI interrupts, from which the
> support as just been contributed and not merged yet. Applying the last
> DT patches referring to the 'sei' and 'icu_sei' nodes will require this
> feature [1] to have been accepted first.
>
> [1] http://lists.infradead.org/pipermail/linux-arm-kernel/2018-April/572852.html
>
> Thank you,
> Miquèl
>
>
> Miquel Raynal (27):
> thermal: armada: add a function that sanitizes the thermal zone name
> thermal: armada: remove useless register accesses
> thermal: armada: remove misleading comments
> thermal: armada: rename the initialization routine
> thermal: armada: dissociate a380 and cp110 ->init() hooks
> thermal: armada: average over samples to avoid glitches
> thermal: armada: convert driver to syscon register accesses
> thermal: armada: use the resource managed registration helper
> alternative
> thermal: armada: add multi-channel sensors support
> thermal: armada: remove sensors validity from the IP initialization
> thermal: armada: move validity check out of the read function
> thermal: armada: get rid of the ->is_valid() pointer
> thermal: armada: add overheat interrupt support
> dt-bindings: cp110: rename cp110 syscon file
> dt-bindings: ap806: prepare the syscon file to list other syscons
> nodes
> dt-bindings: cp110: prepare the syscon file to list other syscons
> nodes
> dt-bindings: ap806: add the thermal node in the syscon file
> dt-bindings: cp110: update documentation since DT de-duplication
> dt-bindings: cp110: add the thermal node in the syscon file
> dt-bindings: thermal: armada: add reference to new bindings
> arm64: dts: marvell: rename ap806 syscon node
> arm64: dts: marvell: move AP806/CP110 thermal nodes into a new syscon
> arm64: dts: marvell: add thermal-zone node in ap806 DTSI file
> arm64: dts: marvell: add macro to make distinction between node names
> arm64: dts: marvell: add thermal-zone node in cp110 DTSI file
> arm64: dts: marvell: add interrupt support to ap806 thermal node
> arm64: dts: marvell: add interrupt support to cp110 thermal node
>
> .../arm/marvell/ap806-system-controller.txt | 55 +-
> ...controller0.txt => cp110-system-controller.txt} | 66 +-
> .../devicetree/bindings/thermal/armada-thermal.txt | 5 +
> arch/arm64/boot/dts/marvell/armada-ap806.dtsi | 85 +-
> arch/arm64/boot/dts/marvell/armada-common.dtsi | 1 +
> arch/arm64/boot/dts/marvell/armada-cp110.dtsi | 45 +-
> drivers/thermal/armada_thermal.c | 875 ++++++++++++++++++---
> 7 files changed, 976 insertions(+), 156 deletions(-)
> rename Documentation/devicetree/bindings/arm/marvell/{cp110-system-controller0.txt => cp110-system-controller.txt} (83%)
What is the status of this series?
I am especially interested in the dt part.
Do you expect sending a new series modifying them?
Gregory
>
> --
> 2.14.1
>
--
Gregory Clement, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
http://bootlin.com
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