From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Daniel Lezcano <daniel.lezcano@oss.qualcomm.com>,
sre@kernel.org, hansg@kernel.org, ilpo.jarvinen@linux.intel.com,
linux@roeck-us.net, andersson@kernel.org, konradybcio@kernel.org,
robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org
Cc: bryan.odonoghue@linaro.org, platform-driver-x86@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH v1 3/3] arm64: dts: qcom: x1e78100-t14s: Add thermal zones for keyboard skin and charging sensors
Date: Thu, 25 Jun 2026 13:36:44 +0200 [thread overview]
Message-ID: <ea233160-505d-496d-a321-dc23e7f69d80@oss.qualcomm.com> (raw)
In-Reply-To: <20260624210825.264454-4-daniel.lezcano@oss.qualcomm.com>
On 6/24/26 11:08 PM, Daniel Lezcano wrote:
> Add thermal zone descriptions for the keyboard skin temperature and
> battery charging circuitry sensors exposed by the embedded controller.
>
> Expose the EC as a thermal sensor provider and define two thermal zones
> using the temperatures reported by the EC:
>
> - a keyboard skin temperature zone with passive and hot trip points,
> - a charging circuitry temperature zone with multiple passive trip
> points and CPU frequency mitigation levels.
>
> The charging thermal zone progressively throttles the different CPU
> clusters as the charging circuitry temperature rises and triggers a hot
> condition at the highest trip point.
>
> This provides thermal framework integration for the EC temperature
> sensors and enables platform thermal management through standard thermal
> zone definitions.
>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@oss.qualcomm.com>
> ---
[...]
> + ec-charging-thermal {
> + polling-delay = <5000>;
> + polling-delay-passive = <2000>;
> +
> + thermal-sensors = <&ec 3>;
> +
> + trips {
> + psv0: trip-point0 {
"ec_charging_tripN", please - these labels are file-wide, so it's
better if they're not overly short
> + temperature = <55000>;
> + hysteresis = <0>;
> + type = "passive";
> + };
> +
> + alert0: trip-point1 {
> + temperature = <63000>;
> + hysteresis = <0>;
> + type = "hot";
> + };
> + };
> +
> + cooling-maps {
> + map0 {
> + trip = <&psv0>;
> + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> + <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> + <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> + <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> + <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> + <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> + <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> + <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> + <&cpu8 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> + <&cpu9 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> + <&cpu10 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> + <&cpu11 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> +
> + };
Stray \n above, might also possibly want to throttle the GPU.
I don't know.
Konrad
next prev parent reply other threads:[~2026-06-25 11:36 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-24 21:08 [PATCH v1 0/3] Lenovo ThinkPad T14s EC thermal monitoring and thermal zone integration Daniel Lezcano
2026-06-24 21:08 ` [PATCH v1 1/3] drivers/platform: lenovo-t14s-ec: Add hwmon support for temperatures and fan speed Daniel Lezcano
2026-06-24 21:22 ` sashiko-bot
2026-06-25 8:03 ` Konrad Dybcio
2026-06-25 8:06 ` Daniel Lezcano
2026-06-28 13:50 ` Sebastian Reichel
2026-06-28 14:02 ` Guenter Roeck
2026-06-29 8:26 ` Konrad Dybcio
2026-06-29 8:50 ` Daniel Lezcano
2026-06-28 17:31 ` Daniel Lezcano
2026-06-24 21:08 ` [PATCH v1 2/3] platform: arm64: thinkpad-t14s-ec: Wire EC thermal events to hwmon Daniel Lezcano
2026-06-24 21:21 ` sashiko-bot
2026-06-24 21:08 ` [PATCH v1 3/3] arm64: dts: qcom: x1e78100-t14s: Add thermal zones for keyboard skin and charging sensors Daniel Lezcano
2026-06-24 21:18 ` sashiko-bot
2026-06-25 11:36 ` Konrad Dybcio [this message]
2026-06-25 13:20 ` Daniel Lezcano
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