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dt-bindings: thermal: Convert UniPhier thermal monitor to json-schema

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Convert the UniPhier thermal monitor binding to DT schema format.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Kunihiko Hayashi 2020-04-30 12:05:34 +09:00 committed by Rob Herring
parent 134ab2845a
commit b1eac5f32c
2 changed files with 59 additions and 65 deletions
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59
Documentation/devicetree/bindings/thermal/socionext,uniphier-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/socionext,uniphier-thermal.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Socionext UniPhier thermal monitor
description: |
This describes the devicetree bindings for thermal monitor supported by
PVT(Process, Voltage and Temperature) monitoring unit implemented on
Socionext UniPhier SoCs.
maintainers:
- Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
properties:
compatible:
enum:
- socionext,uniphier-pxs2-thermal
- socionext,uniphier-ld20-thermal
- socionext,uniphier-pxs3-thermal
interrupts:
maxItems: 1
"#thermal-sensor-cells":
const: 0
socionext,tmod-calibration:
allOf:
- $ref: /schemas/types.yaml#/definitions/uint32-array
- maxItems: 2
description:
A pair of calibrated values referred from PVT, in case that the values
aren't set on SoC, like a reference board.
required:
- compatible
- interrupts
- "#thermal-sensor-cells"
additionalProperties: false
examples:
- |
// The UniPhier thermal should be a subnode of a "syscon" compatible node.
sysctrl@61840000 {
compatible = "socionext,uniphier-ld20-sysctrl",
"simple-mfd", "syscon";
reg = <0x61840000 0x10000>;
pvtctl: thermal {
compatible = "socionext,uniphier-ld20-thermal";
interrupts = <0 3 1>;
#thermal-sensor-cells = <0>;
};
};

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Documentation/devicetree/bindings/thermal/uniphier-thermal.txt
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* UniPhier Thermal bindings
This describes the devicetree bindings for thermal monitor supported by
PVT(Process, Voltage and Temperature) monitoring unit implemented on Socionext
UniPhier SoCs.
Required properties:
- compatible :
- "socionext,uniphier-pxs2-thermal" : For UniPhier PXs2 SoC
- "socionext,uniphier-ld20-thermal" : For UniPhier LD20 SoC
- "socionext,uniphier-pxs3-thermal" : For UniPhier PXs3 SoC
- interrupts : IRQ for the temperature alarm
- #thermal-sensor-cells : Should be 0. See ./thermal.txt for details.
Optional properties:
- socionext,tmod-calibration: A pair of calibrated values referred from PVT,
in case that the values aren't set on SoC,
like a reference board.
Example:
sysctrl@61840000 {
compatible = "socionext,uniphier-ld20-sysctrl",
"simple-mfd", "syscon";
reg = <0x61840000 0x10000>;
...
pvtctl: pvtctl {
compatible = "socionext,uniphier-ld20-thermal";
interrupts = <0 3 1>;
#thermal-sensor-cells = <0>;
};
...
};
thermal-zones {
cpu_thermal {
polling-delay-passive = <250>; /* 250ms */
polling-delay = <1000>; /* 1000ms */
thermal-sensors = <&pvtctl>;
trips {
cpu_crit: cpu_crit {
temperature = <110000>; /* 110C */
hysteresis = <2000>;
type = "critical";
};
cpu_alert: cpu_alert {
temperature = <100000>; /* 100C */
hysteresis = <2000>;
type = "passive";
};
};
cooling-maps {
map0 {
trip = <&cpu_alert>;
cooling-device = <&cpu0 (-1) (-1)>;
};
map1 {
trip = <&cpu_alert>;
cooling-device = <&cpu2 (-1) (-1)>;
};
};
};
};