mirror of https://lore.kernel.org/linux-amlogic/
 help / color / mirror / Atom feed
From: Ronald Claveau via B4 Relay <devnull+linux-kernel-dev.aliel.fr@kernel.org>
To: Guillaume La Roque <glaroque@baylibre.com>,
	 "Rafael J. Wysocki" <rafael@kernel.org>,
	 Daniel Lezcano <daniel.lezcano@kernel.org>,
	Zhang Rui <rui.zhang@intel.com>,
	 Lukasz Luba <lukasz.luba@arm.com>, Rob Herring <robh@kernel.org>,
	 Krzysztof Kozlowski <krzk+dt@kernel.org>,
	 Conor Dooley <conor+dt@kernel.org>,
	 Neil Armstrong <neil.armstrong@linaro.org>,
	 Kevin Hilman <khilman@baylibre.com>,
	Jerome Brunet <jbrunet@baylibre.com>,
	 Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: linux-pm@vger.kernel.org, linux-amlogic@lists.infradead.org,
	 devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	 linux-arm-kernel@lists.infradead.org,
	 Ronald Claveau <linux-kernel-dev@aliel.fr>
Subject: [PATCH v5 7/8] arm64: dts: amlogic: t7: Add thermal zones
Date: Fri, 24 Apr 2026 17:45:15 +0200	[thread overview]
Message-ID: <20260424-add-thermal-t7-vim4-v5-7-9040ca36afe2@aliel.fr> (raw)
In-Reply-To: <20260424-add-thermal-t7-vim4-v5-0-9040ca36afe2@aliel.fr>

From: Ronald Claveau <linux-kernel-dev@aliel.fr>

Add thermal zones for all six sensors: a53, a73, gpu, nna, vpu, and hevc.

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Ronald Claveau <linux-kernel-dev@aliel.fr>
---
 arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi | 179 ++++++++++++++++++++++++++++
 1 file changed, 179 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
index 62f259b2b17d2..c6ea0f20a879f 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
+++ b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
@@ -9,6 +9,7 @@
 #include <dt-bindings/clock/amlogic,t7-scmi.h>
 #include <dt-bindings/clock/amlogic,t7-pll-clkc.h>
 #include <dt-bindings/clock/amlogic,t7-peripherals-clkc.h>
+#include <dt-bindings/thermal/thermal.h>
 
 / {
 	interrupt-parent = <&gic>;
@@ -829,6 +830,184 @@ hevc_tsensor: temperature-sensor@9a000 {
 				amlogic,secure-monitor = <&sm 5>;
 			};
 		};
+	};
+
+	thermal-zones {
+		a53_thermal: a53-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <100>;
+			thermal-sensors = <&a53_tsensor>;
+
+			trips {
+				a53_passive: a53-passive {
+					temperature = <85000>; /* millicelsius */
+					hysteresis = <2000>; /* millicelsius */
+					type = "passive";
+				};
+
+				a53_hot: a53-hot {
+					temperature = <95000>; /* millicelsius */
+					hysteresis = <2000>; /* millicelsius */
+					type = "hot";
+				};
+
+				a53_critical: a53-critical {
+					temperature = <110000>; /* millicelsius */
+					hysteresis = <2000>; /* millicelsius */
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				map-a53 {
+					trip = <&a53_passive>;
+					cooling-device =
+						<&cpu100 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu101 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu102 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu103 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
+
+		a73_thermal: a73-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <100>;
+			thermal-sensors = <&a73_tsensor>;
+
+			trips {
+				a73_passive: a73-passive {
+					temperature = <85000>; /* millicelsius */
+					hysteresis = <2000>; /* millicelsius */
+					type = "passive";
+				};
+
+				a73_hot: a73-hot {
+					temperature = <95000>; /* millicelsius */
+					hysteresis = <2000>; /* millicelsius */
+					type = "hot";
+				};
+
+				a73_critical: a73-critical {
+					temperature = <110000>; /* millicelsius */
+					hysteresis = <2000>; /* millicelsius */
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				map-a73 {
+					trip = <&a73_passive>;
+					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>;
+				};
+			};
+		};
+
+		gpu_thermal: gpu-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <100>;
+			thermal-sensors = <&gpu_tsensor>;
+
+			trips {
+				gpu_passive: gpu-passive {
+					temperature = <95000>;
+					hysteresis = <5000>;
+					type = "passive";
+				};
+
+				gpu_hot: gpu-hot {
+					temperature = <105000>;
+					hysteresis = <5000>;
+					type = "passive";
+				};
 
+				gpu_critical: gpu-critical {
+					temperature = <115000>;
+					hysteresis = <1000>;
+					type = "critical";
+				};
+			};
+		};
+
+		hevc_thermal: hevc-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <100>;
+			thermal-sensors = <&hevc_tsensor>;
+
+			trips {
+				hevc_passive: hevc-passive {
+					temperature = <95000>;
+					hysteresis = <5000>;
+					type = "passive";
+				};
+
+				hevc_hot: hevc-hot {
+					temperature = <105000>;
+					hysteresis = <5000>;
+					type = "passive";
+				};
+
+				hevc_critical: hevc-critical {
+					temperature = <115000>;
+					hysteresis = <1000>;
+					type = "critical";
+				};
+			};
+		};
+
+		nna_thermal: nna-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <100>;
+			thermal-sensors = <&nna_tsensor>;
+
+			trips {
+				nna_passive: nna-passive {
+					temperature = <95000>;
+					hysteresis = <5000>;
+					type = "passive";
+				};
+
+				nna_hot: nna-hot {
+					temperature = <105000>;
+					hysteresis = <5000>;
+					type = "passive";
+				};
+
+				nna_critical: nna-critical {
+					temperature = <115000>;
+					hysteresis = <1000>;
+					type = "critical";
+				};
+			};
+		};
+
+		vpu_thermal: vpu-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <100>;
+			thermal-sensors = <&vpu_tsensor>;
+
+			trips {
+				vpu_passive: vpu-passive {
+					temperature = <95000>;
+					hysteresis = <5000>;
+					type = "passive";
+				};
+
+				vpu_hot: vpu-hot {
+					temperature = <105000>;
+					hysteresis = <5000>;
+					type = "passive";
+				};
+
+				vpu_critical: vpu-critical {
+					temperature = <115000>;
+					hysteresis = <1000>;
+					type = "critical";
+				};
+			};
+		};
 	};
 };

-- 
2.49.0



_______________________________________________
linux-amlogic mailing list
linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic

  parent reply	other threads:[~2026-04-24 15:48 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-24 15:45 [PATCH v5 0/8] arm64: amlogic: T7 thermal support Ronald Claveau via B4 Relay
2026-04-24 15:45 ` [PATCH v5 1/8] dt-bindings: thermal: amlogic: Add support for T7 Ronald Claveau via B4 Relay
2026-06-22 10:02   ` Krzysztof Kozlowski
2026-06-22 11:17     ` linux-kernel-dev
2026-04-24 15:45 ` [PATCH v5 2/8] firmware: meson: sm: Thermal calibration read via secure monitor Ronald Claveau via B4 Relay
2026-04-24 15:45 ` [PATCH v5 3/8] firmware: meson: sm: Add thermal calibration SMC call Ronald Claveau via B4 Relay
2026-04-24 15:45 ` [PATCH v5 4/8] thermal: amlogic: Add support for secure monitor calibration readout Ronald Claveau via B4 Relay
2026-05-06 15:45   ` Daniel Lezcano
2026-05-06 15:55     ` Neil Armstrong
2026-04-24 15:45 ` [PATCH v5 5/8] arm64: dts: amlogic: t7: Add cooling cells to all CPUs Ronald Claveau via B4 Relay
2026-04-24 15:45 ` [PATCH v5 6/8] arm64: dts: amlogic: t7: Add thermal sensor nodes Ronald Claveau via B4 Relay
2026-04-24 15:45 ` Ronald Claveau via B4 Relay [this message]
2026-04-24 15:45 ` [PATCH v5 8/8] arm64: dts: amlogic: t7: khadas-vim4: Add fan cooling to thermal zones Ronald Claveau via B4 Relay

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20260424-add-thermal-t7-vim4-v5-7-9040ca36afe2@aliel.fr \
    --to=devnull+linux-kernel-dev.aliel.fr@kernel.org \
    --cc=conor+dt@kernel.org \
    --cc=daniel.lezcano@kernel.org \
    --cc=devicetree@vger.kernel.org \
    --cc=glaroque@baylibre.com \
    --cc=jbrunet@baylibre.com \
    --cc=khilman@baylibre.com \
    --cc=krzk+dt@kernel.org \
    --cc=linux-amlogic@lists.infradead.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel-dev@aliel.fr \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pm@vger.kernel.org \
    --cc=lukasz.luba@arm.com \
    --cc=martin.blumenstingl@googlemail.com \
    --cc=neil.armstrong@linaro.org \
    --cc=rafael@kernel.org \
    --cc=robh@kernel.org \
    --cc=rui.zhang@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®