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

[Chen-Yu Tsai]

On Wed, May 31, 2023 at 3:51 AM Bernhard Rosenkränzer <bero at baylibre.com> wrote:
>
> From: Balsam CHIHI <bchihi at baylibre.com>
>
> 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 at collabora.com>
>
>     v3 :
>         - Rebased :
>             base-commit: 6a3d37b4d885129561e1cef361216f00472f7d2e
>         - Fix issues in v2 pointed out by Nícolas F. R. A. Prado <nfraprado at collabora.com>:
>           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 at baylibre.com) 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@baylibre.com/
>         Tested-by: Chen-Yu Tsai <wenst at chromium.org>
>
>     v1 :
>         - The initial series "Add LVTS support for mt8192" :
>             "https://lore.kernel.org/all/20230307163413.143334-1-bchihi@baylibre.com/".
>
> 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
>