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# SPDX-License-Identifier: GPL-2.0-only
# Copyright (C) 2020 Renesas Electronics Corp.
%YAML 1.2
---
$id: http://devicetree.org/schemas/thermal/rcar-thermal.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Renesas R-Car Thermal
maintainers:
- Niklas Söderlund <niklas.soderlund@ragnatech.se>
properties:
compatible:
oneOf:
- items:
- enum:
- renesas,thermal-r8a73a4 # R-Mobile APE6
- renesas,thermal-r8a7779 # R-Car H1
- const: renesas,rcar-thermal # Generic without thermal-zone
- items:
- enum:
- renesas,thermal-r8a7742 # RZ/G1H
- renesas,thermal-r8a7743 # RZ/G1M
- renesas,thermal-r8a7744 # RZ/G1N
- const: renesas,rcar-gen2-thermal # Generic thermal-zone
- items:
- enum:
- renesas,thermal-r8a7790 # R-Car H2
- renesas,thermal-r8a7791 # R-Car M2-W
- renesas,thermal-r8a7792 # R-Car V2H
- renesas,thermal-r8a7793 # R-Car M2-N
- const: renesas,rcar-gen2-thermal # Generic thermal-zone
- const: renesas,rcar-thermal # Generic without thermal-zone
- items:
- enum:
- renesas,thermal-r8a774c0 # RZ/G2E
- renesas,thermal-r8a77970 # R-Car V3M
- renesas,thermal-r8a77990 # R-Car E3
- renesas,thermal-r8a77995 # R-Car D3
reg:
description:
Address ranges of the thermal registers. If more then one range is given
the first one must be the common registers followed by each sensor
according the the datasheet.
minItems: 1
maxItems: 4
interrupts:
minItems: 1
maxItems: 3
clocks:
maxItems: 1
power-domains:
maxItems: 1
resets:
maxItems: 1
"#thermal-sensor-cells":
const: 0
if:
properties:
compatible:
contains:
enum:
- renesas,thermal-r8a73a4 # R-Mobile APE6
- renesas,thermal-r8a7779 # R-Car H1
then:
required:
- compatible
- reg
else:
required:
- compatible
- reg
- interrupts
- clocks
- power-domains
- resets
additionalProperties: false
examples:
# Example (non interrupt support)
- |
thermal@ffc48000 {
compatible = "renesas,thermal-r8a7779", "renesas,rcar-thermal";
reg = <0xffc48000 0x38>;
};
# Example (interrupt support)
- |
#include <dt-bindings/clock/r8a73a4-clock.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
thermal@e61f0000 {
compatible = "renesas,thermal-r8a73a4", "renesas,rcar-thermal";
reg = <0xe61f0000 0x14>, <0xe61f0100 0x38>,
<0xe61f0200 0x38>, <0xe61f0300 0x38>;
interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&mstp5_clks R8A73A4_CLK_THERMAL>;
power-domains = <&pd_c5>;
};
# Example (with thermal-zone)
- |
#include <dt-bindings/clock/r8a7790-cpg-mssr.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/r8a7790-sysc.h>
thermal: thermal@e61f0000 {
compatible = "renesas,thermal-r8a7790",
"renesas,rcar-gen2-thermal",
"renesas,rcar-thermal";
reg = <0xe61f0000 0x10>, <0xe61f0100 0x38>;
interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cpg CPG_MOD 522>;
power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
resets = <&cpg 522>;
#thermal-sensor-cells = <0>;
};
thermal-zones {
cpu_thermal: cpu-thermal {
polling-delay-passive = <1000>;
polling-delay = <5000>;
thermal-sensors = <&thermal>;
trips {
cpu-crit {
temperature = <115000>;
hysteresis = <0>;
type = "critical";
};
};
cooling-maps {
};
};
};
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