Re: [PATCH v4 0/5] Add LVTS support for mt8192

From: Chen-Yu Tsai
Date: Wed May 31 2023 - 00:50:04 EST


On Wed, May 31, 2023 at 3:51 AM Bernhard Rosenkränzer <bero@xxxxxxxxxxxx> wrote:
>
> From: Balsam CHIHI <bchihi@xxxxxxxxxxxx>
>
> Add full LVTS support (MCU thermal domain + AP thermal domain) to MediaTek MT8192 SoC.
> Also, add Suspend and Resume support to LVTS Driver (all SoCs),
> and update the documentation that describes the Calibration Data Offsets.
>
> Changelog:
> v4 :
> - Shrink the lvts_ap thermal sensor I/O range to 0xc00 to make
> room for SVS support, pointed out by
> AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
>
> v3 :
> - Rebased :
> base-commit: 6a3d37b4d885129561e1cef361216f00472f7d2e
> - Fix issues in v2 pointed out by Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>:
> Use filtered mode to make sure threshold interrupts are triggered,

I'm seeing sensor readout (either through sysfs/thermal/<x>/temp or hwmon)
fail frequently on MT8192. If I run `sensors` (lm-sensors), at least a couple
of the LVTS sensors would be N/A. Not sure if this is related to this change.


ChenYu

> protocol documentation, cosmetics
> - I (bero@xxxxxxxxxxxx) will be taking care of this patchset
> from now on, since Balsam has left BayLibre. Thanks for
> getting it almost ready, Balsam!
>
> v2 :
> - Based on top of thermal/linux-next :
> base-commit: 7ac82227ee046f8234471de4c12a40b8c2d3ddcc
> - Squash "add thermal zones and thermal nodes" and
> "add temperature mitigation threshold" commits together to form
> "arm64: dts: mediatek: mt8192: Add thermal nodes and thermal zones" commit.
> - Add Suspend and Resume support to LVTS Driver.
> - Update Calibration Data documentation.
> - Fix calibration data offsets for mt8192
> (Thanks to "Chen-Yu Tsai" and "Nícolas F. R. A. Prado").
> https://lore.kernel.org/all/20230425133052.199767-1-bchihi@xxxxxxxxxxxx/
> Tested-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>
>
> v1 :
> - The initial series "Add LVTS support for mt8192" :
> "https://lore.kernel.org/all/20230307163413.143334-1-bchihi@xxxxxxxxxxxx/";.
>
> Balsam CHIHI (5):
> dt-bindings: thermal: mediatek: Add LVTS thermal controller definition
> for mt8192
> thermal/drivers/mediatek/lvts_thermal: Add suspend and resume
> thermal/drivers/mediatek/lvts_thermal: Add mt8192 support
> arm64: dts: mediatek: mt8192: Add thermal nodes and thermal zones
> thermal/drivers/mediatek/lvts_thermal: Update calibration data
> documentation
>
> arch/arm64/boot/dts/mediatek/mt8192.dtsi | 454 ++++++++++++++++++
> drivers/thermal/mediatek/lvts_thermal.c | 160 +++++-
> .../thermal/mediatek,lvts-thermal.h | 19 +
> 3 files changed, 631 insertions(+), 2 deletions(-)
>
> base-commit: 8c33787278ca8db73ad7d23f932c8c39b9f6e543
> --
> 2.41.0.rc2
>