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dt-bindings: thermal: Convert brcm,sr-thermal to DT schema
Convert the brcm,sr-thermal binding to DT schema format. It's a
straight-forward conversion. "polling-delay", "thermal-sensors", and
"temperature" all apply to the thermal zones, not the sensor node.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251013215810.783006-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
+121
-105
-105
Documentation/devicetree/bindings/thermal/brcm,sr-thermal.txt
-105
Documentation/devicetree/bindings/thermal/brcm,sr-thermal.txt
···
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* Broadcom Stingray Thermal
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-
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This binding describes thermal sensors that is part of Stingray SoCs.
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-
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Required properties:
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- compatible : Must be "brcm,sr-thermal"
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- reg : Memory where tmon data will be available.
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- brcm,tmon-mask: A one cell bit mask of valid TMON sources.
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Each bit represents single TMON source.
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- #thermal-sensor-cells : Thermal sensor phandler
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- polling-delay: Max number of milliseconds to wait between polls.
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- thermal-sensors: A list of thermal sensor phandles and specifier.
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specifier value is tmon ID and it should be
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in correspond with brcm,tmon-mask.
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- temperature: trip temperature threshold in millicelsius.
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-
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Example:
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tmons {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <1>;
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ranges = <0x0 0x0 0x8f100000 0x100>;
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-
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tmon: tmon@0 {
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compatible = "brcm,sr-thermal";
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reg = <0x0 0x40>;
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brcm,tmon-mask = <0x3f>;
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#thermal-sensor-cells = <1>;
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};
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};
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-
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thermal-zones {
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ihost0_thermal: ihost0-thermal {
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polling-delay-passive = <0>;
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polling-delay = <1000>;
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thermal-sensors = <&tmon 0>;
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-
trips {
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cpu-crit {
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temperature = <105000>;
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hysteresis = <0>;
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type = "critical";
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};
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};
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};
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ihost1_thermal: ihost1-thermal {
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-
polling-delay-passive = <0>;
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-
polling-delay = <1000>;
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-
thermal-sensors = <&tmon 1>;
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-
trips {
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-
cpu-crit {
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-
temperature = <105000>;
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-
hysteresis = <0>;
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type = "critical";
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};
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};
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};
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ihost2_thermal: ihost2-thermal {
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-
polling-delay-passive = <0>;
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-
polling-delay = <1000>;
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-
thermal-sensors = <&tmon 2>;
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trips {
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cpu-crit {
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temperature = <105000>;
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-
hysteresis = <0>;
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type = "critical";
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};
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};
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};
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ihost3_thermal: ihost3-thermal {
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polling-delay-passive = <0>;
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-
polling-delay = <1000>;
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thermal-sensors = <&tmon 3>;
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trips {
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cpu-crit {
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temperature = <105000>;
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hysteresis = <0>;
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type = "critical";
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};
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};
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};
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crmu_thermal: crmu-thermal {
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polling-delay-passive = <0>;
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polling-delay = <1000>;
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thermal-sensors = <&tmon 4>;
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trips {
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cpu-crit {
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temperature = <105000>;
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hysteresis = <0>;
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type = "critical";
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};
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};
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};
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nitro_thermal: nitro-thermal {
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polling-delay-passive = <0>;
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polling-delay = <1000>;
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thermal-sensors = <&tmon 5>;
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trips {
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-
cpu-crit {
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temperature = <105000>;
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-
hysteresis = <0>;
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type = "critical";
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};
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};
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};
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};
+121
Documentation/devicetree/bindings/thermal/brcm,sr-thermal.yaml
+121
Documentation/devicetree/bindings/thermal/brcm,sr-thermal.yaml
···
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/thermal/brcm,sr-thermal.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Broadcom Stingray Thermal Sensors
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maintainers:
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- Ray Jui <rjui@broadcom.com>
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- Scott Branden <sbranden@broadcom.com>
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allOf:
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- $ref: thermal-sensor.yaml#
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+
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properties:
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compatible:
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const: brcm,sr-thermal
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+
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reg:
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maxItems: 1
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+
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brcm,tmon-mask:
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description:
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A one-cell bit mask of valid TMON sources. Each bit represents a single
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TMON source.
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$ref: /schemas/types.yaml#/definitions/uint32
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'#thermal-sensor-cells':
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const: 1
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required:
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- compatible
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- reg
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- brcm,tmon-mask
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+
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additionalProperties: false
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+
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examples:
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- |
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tmon: thermal-sensor@0 {
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compatible = "brcm,sr-thermal";
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reg = <0x0 0x40>;
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brcm,tmon-mask = <0x3f>;
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#thermal-sensor-cells = <1>;
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};
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+
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thermal-zones {
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ihost0_thermal: ihost0-thermal {
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+
polling-delay-passive = <0>;
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+
polling-delay = <1000>;
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+
thermal-sensors = <&tmon 0>;
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+
trips {
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cpu-crit {
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temperature = <105000>;
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+
hysteresis = <0>;
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+
type = "critical";
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};
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};
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};
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ihost1_thermal: ihost1-thermal {
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+
polling-delay-passive = <0>;
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+
polling-delay = <1000>;
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+
thermal-sensors = <&tmon 1>;
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+
trips {
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cpu-crit {
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temperature = <105000>;
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+
hysteresis = <0>;
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+
type = "critical";
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};
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};
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};
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ihost2_thermal: ihost2-thermal {
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+
polling-delay-passive = <0>;
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+
polling-delay = <1000>;
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+
thermal-sensors = <&tmon 2>;
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+
trips {
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cpu-crit {
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temperature = <105000>;
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+
hysteresis = <0>;
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type = "critical";
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};
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};
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};
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ihost3_thermal: ihost3-thermal {
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+
polling-delay-passive = <0>;
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+
polling-delay = <1000>;
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+
thermal-sensors = <&tmon 3>;
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+
trips {
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cpu-crit {
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temperature = <105000>;
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hysteresis = <0>;
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type = "critical";
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};
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};
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};
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crmu_thermal: crmu-thermal {
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+
polling-delay-passive = <0>;
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+
polling-delay = <1000>;
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thermal-sensors = <&tmon 4>;
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trips {
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cpu-crit {
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temperature = <105000>;
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hysteresis = <0>;
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type = "critical";
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};
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};
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};
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nitro_thermal: nitro-thermal {
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polling-delay-passive = <0>;
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+
polling-delay = <1000>;
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thermal-sensors = <&tmon 5>;
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+
trips {
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+
cpu-crit {
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temperature = <105000>;
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hysteresis = <0>;
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type = "critical";
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};
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};
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};
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};