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linux
dt-binding: thermal: Convert marvell,armada-ap806-thermal to DT schema
Convert the Marvell Armada AP80x/CP110 thermal binding to schema. It is
a straight forward conversion.
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20250822225701.766947-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
+46
-82
-39
Documentation/devicetree/bindings/arm/marvell/ap80x-system-controller.txt
-39
Documentation/devicetree/bindings/arm/marvell/ap80x-system-controller.txt
···
115
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SYSTEM CONTROLLER 1
116
116
===================
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117
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-
Thermal:
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-
--------
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-
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-
For common binding part and usage, refer to
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Documentation/devicetree/bindings/thermal/thermal*.yaml
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-
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-
The thermal IP can probe the temperature all around the processor. It
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may feature several channels, each of them wired to one sensor.
126
-
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It is possible to setup an overheat interrupt by giving at least one
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critical point to any subnode of the thermal-zone node.
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-
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Required properties:
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- compatible: must be one of:
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* marvell,armada-ap806-thermal
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- reg: register range associated with the thermal functions.
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-
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Optional properties:
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- interrupts: overheat interrupt handle. Should point to line 18 of the
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SEI irqchip. See interrupt-controller/interrupts.txt
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- #thermal-sensor-cells: shall be <1> when thermal-zones subnodes refer
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to this IP and represents the channel ID. There is one sensor per
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channel. O refers to the thermal IP internal channel, while positive
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IDs refer to each CPU.
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-
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Example:
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ap_syscon1: system-controller@6f8000 {
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compatible = "syscon", "simple-mfd";
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reg = <0x6f8000 0x1000>;
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-
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ap_thermal: thermal-sensor@80 {
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compatible = "marvell,armada-ap806-thermal";
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reg = <0x80 0x10>;
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interrupt-parent = <&sei>;
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interrupts = <18>;
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#thermal-sensor-cells = <1>;
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};
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};
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-
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Cluster clocks:
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119
---------------
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-43
Documentation/devicetree/bindings/arm/marvell/cp110-system-controller.txt
-43
Documentation/devicetree/bindings/arm/marvell/cp110-system-controller.txt
···
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};
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};
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-
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-
SYSTEM CONTROLLER 1
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-
===================
195
-
196
-
Thermal:
197
-
--------
198
-
199
-
The thermal IP can probe the temperature all around the processor. It
200
-
may feature several channels, each of them wired to one sensor.
201
-
202
-
It is possible to setup an overheat interrupt by giving at least one
203
-
critical point to any subnode of the thermal-zone node.
204
-
205
-
For common binding part and usage, refer to
206
-
Documentation/devicetree/bindings/thermal/thermal*.yaml
207
-
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-
Required properties:
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-
- compatible: must be one of:
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-
* marvell,armada-cp110-thermal
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-
- reg: register range associated with the thermal functions.
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-
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Optional properties:
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- interrupts-extended: overheat interrupt handle. Should point to
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a line of the ICU-SEI irqchip (116 is what is usually used by the
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firmware). The ICU-SEI will redirect towards interrupt line #37 of the
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AP SEI which is shared across all CPs.
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-
See interrupt-controller/interrupts.txt
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- #thermal-sensor-cells: shall be <1> when thermal-zones subnodes refer
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-
to this IP and represents the channel ID. There is one sensor per
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channel. O refers to the thermal IP internal channel.
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-
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Example:
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CP110_LABEL(syscon1): system-controller@6f8000 {
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compatible = "syscon", "simple-mfd";
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reg = <0x6f8000 0x1000>;
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-
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CP110_LABEL(thermal): thermal-sensor@70 {
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compatible = "marvell,armada-cp110-thermal";
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reg = <0x70 0x10>;
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interrupts-extended = <&CP110_LABEL(icu_sei) 116 IRQ_TYPE_LEVEL_HIGH>;
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#thermal-sensor-cells = <1>;
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};
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};
+46
Documentation/devicetree/bindings/thermal/marvell,armada-ap806-thermal.yaml
+46
Documentation/devicetree/bindings/thermal/marvell,armada-ap806-thermal.yaml
···
1
+
# 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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$id: http://devicetree.org/schemas/thermal/marvell,armada-ap806-thermal.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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+
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title: Marvell Armada AP80x/CP110 thermal management
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+
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maintainers:
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- Miquel Raynal <miquel.raynal@bootlin.com>
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+
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+
properties:
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compatible:
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enum:
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- marvell,armada-ap806-thermal
16
+
- marvell,armada-ap807-thermal
17
+
- marvell,armada-cp110-thermal
18
+
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reg:
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+
maxItems: 1
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+
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interrupts:
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description:
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Overheat interrupt. The interrupt is connected thru a System Error
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+
Interrupt (SEI) controller.
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+
maxItems: 1
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+
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'#thermal-sensor-cells':
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description: Cell represents the channel ID. There is one sensor per
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channel. O refers to the thermal IP internal channel.
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const: 1
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+
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required:
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- compatible
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- reg
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+
37
+
additionalProperties: false
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+
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examples:
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- |
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thermal-sensor@80 {
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compatible = "marvell,armada-ap806-thermal";
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+
reg = <0x80 0x10>;
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+
interrupts = <18>;
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+
#thermal-sensor-cells = <1>;
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+
};