[PATCH v11 4/6] thermal/drivers/mediatek: Add the Low Voltage Thermal Sensor driver

AngeloGioacchino Del Regno angelogioacchino.delregno at collabora.com
Tue Jan 24 07:31:09 PST 2023


Il 24/01/23 14:17, bchihi at baylibre.com ha scritto:
> From: Balsam CHIHI <bchihi at baylibre.com>
> 
> The Low Voltage Thermal Sensor (LVTS) is a multiple sensors, multi
> controllers contained in a thermal domain.
> 
> A thermal domains can be the MCU or the AP.
> 
> Each thermal domains contain up to seven controllers, each thermal
> controller handle up to four thermal sensors.
> 
> The LVTS has two Finite State Machines (FSM), one to handle the
> functionin temperatures range like hot or cold temperature and another
> one to handle monitoring trip point. The FSM notifies via interrupts
> when a trip point is crossed.
> 
> The interrupt is managed at the thermal controller level, so when an
> interrupt occurs, the driver has to find out which sensor triggered
> such an interrupt.
> 
> The sampling of the thermal can be filtered or immediate. For the
> former, the LVTS measures several points and applies a low pass
> filter.
> 
> Signed-off-by: Balsam CHIHI <bchihi at baylibre.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>

On MT8195 Tomato Chromebook:
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>



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