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dt-bindings: thermal: Convert brcm,sr-thermal to DT schema

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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>
This commit is contained in:
Rob Herring (Arm) 2025-10-13 16:58:09 -05:00
parent 3c09ca88c6
commit 91d1e3f0f2
2 changed files with 121 additions and 105 deletions
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105
Documentation/devicetree/bindings/thermal/brcm,sr-thermal.txt
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* Broadcom Stingray Thermal
This binding describes thermal sensors that is part of Stingray SoCs.
Required properties:
- compatible : Must be "brcm,sr-thermal"
- reg : Memory where tmon data will be available.
- brcm,tmon-mask: A one cell bit mask of valid TMON sources.
Each bit represents single TMON source.
- #thermal-sensor-cells : Thermal sensor phandler
- polling-delay: Max number of milliseconds to wait between polls.
- thermal-sensors: A list of thermal sensor phandles and specifier.
specifier value is tmon ID and it should be
in correspond with brcm,tmon-mask.
- temperature: trip temperature threshold in millicelsius.
Example:
tmons {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x0 0x0 0x8f100000 0x100>;
tmon: tmon@0 {
compatible = "brcm,sr-thermal";
reg = <0x0 0x40>;
brcm,tmon-mask = <0x3f>;
#thermal-sensor-cells = <1>;
};
};
thermal-zones {
ihost0_thermal: ihost0-thermal {
polling-delay-passive = <0>;
polling-delay = <1000>;
thermal-sensors = <&tmon 0>;
trips {
cpu-crit {
temperature = <105000>;
hysteresis = <0>;
type = "critical";
};
};
};
ihost1_thermal: ihost1-thermal {
polling-delay-passive = <0>;
polling-delay = <1000>;
thermal-sensors = <&tmon 1>;
trips {
cpu-crit {
temperature = <105000>;
hysteresis = <0>;
type = "critical";
};
};
};
ihost2_thermal: ihost2-thermal {
polling-delay-passive = <0>;
polling-delay = <1000>;
thermal-sensors = <&tmon 2>;
trips {
cpu-crit {
temperature = <105000>;
hysteresis = <0>;
type = "critical";
};
};
};
ihost3_thermal: ihost3-thermal {
polling-delay-passive = <0>;
polling-delay = <1000>;
thermal-sensors = <&tmon 3>;
trips {
cpu-crit {
temperature = <105000>;
hysteresis = <0>;
type = "critical";
};
};
};
crmu_thermal: crmu-thermal {
polling-delay-passive = <0>;
polling-delay = <1000>;
thermal-sensors = <&tmon 4>;
trips {
cpu-crit {
temperature = <105000>;
hysteresis = <0>;
type = "critical";
};
};
};
nitro_thermal: nitro-thermal {
polling-delay-passive = <0>;
polling-delay = <1000>;
thermal-sensors = <&tmon 5>;
trips {
cpu-crit {
temperature = <105000>;
hysteresis = <0>;
type = "critical";
};
};
};
};

121
Documentation/devicetree/bindings/thermal/brcm,sr-thermal.yaml Normal file
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/thermal/brcm,sr-thermal.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom Stingray Thermal Sensors
maintainers:
- Ray Jui <rjui@broadcom.com>
- Scott Branden <sbranden@broadcom.com>
allOf:
- $ref: thermal-sensor.yaml#
properties:
compatible:
const: brcm,sr-thermal
reg:
maxItems: 1
brcm,tmon-mask:
description:
A one-cell bit mask of valid TMON sources. Each bit represents a single
TMON source.
$ref: /schemas/types.yaml#/definitions/uint32
'#thermal-sensor-cells':
const: 1
required:
- compatible
- reg
- brcm,tmon-mask
additionalProperties: false
examples:
- |
tmon: thermal-sensor@0 {
compatible = "brcm,sr-thermal";
reg = <0x0 0x40>;
brcm,tmon-mask = <0x3f>;
#thermal-sensor-cells = <1>;
};
thermal-zones {
ihost0_thermal: ihost0-thermal {
polling-delay-passive = <0>;
polling-delay = <1000>;
thermal-sensors = <&tmon 0>;
trips {
cpu-crit {
temperature = <105000>;
hysteresis = <0>;
type = "critical";
};
};
};
ihost1_thermal: ihost1-thermal {
polling-delay-passive = <0>;
polling-delay = <1000>;
thermal-sensors = <&tmon 1>;
trips {
cpu-crit {
temperature = <105000>;
hysteresis = <0>;
type = "critical";
};
};
};
ihost2_thermal: ihost2-thermal {
polling-delay-passive = <0>;
polling-delay = <1000>;
thermal-sensors = <&tmon 2>;
trips {
cpu-crit {
temperature = <105000>;
hysteresis = <0>;
type = "critical";
};
};
};
ihost3_thermal: ihost3-thermal {
polling-delay-passive = <0>;
polling-delay = <1000>;
thermal-sensors = <&tmon 3>;
trips {
cpu-crit {
temperature = <105000>;
hysteresis = <0>;
type = "critical";
};
};
};
crmu_thermal: crmu-thermal {
polling-delay-passive = <0>;
polling-delay = <1000>;
thermal-sensors = <&tmon 4>;
trips {
cpu-crit {
temperature = <105000>;
hysteresis = <0>;
type = "critical";
};
};
};
nitro_thermal: nitro-thermal {
polling-delay-passive = <0>;
polling-delay = <1000>;
thermal-sensors = <&tmon 5>;
trips {
cpu-crit {
temperature = <105000>;
hysteresis = <0>;
type = "critical";
};
};
};
};