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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-gen3-thermal.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Renesas R-Car Gen3 Thermal Sensor
description:
On R-Car Gen3 SoCs, the thermal sensor controllers (TSC) control the thermal
sensors (THS) which are the analog circuits for measuring temperature (Tj)
inside the LSI.
maintainers:
- Niklas Söderlund <niklas.soderlund@ragnatech.se>
properties:
compatible:
enum:
- renesas,r8a774a1-thermal # RZ/G2M
- renesas,r8a774b1-thermal # RZ/G2N
- renesas,r8a774e1-thermal # RZ/G2H
- renesas,r8a7795-thermal # R-Car H3
- renesas,r8a7796-thermal # R-Car M3-W
- renesas,r8a77961-thermal # R-Car M3-W+
- renesas,r8a77965-thermal # R-Car M3-N
- renesas,r8a77980-thermal # R-Car V3H
reg:
minItems: 2
maxItems: 3
items:
- description: TSC1 registers
- description: TSC2 registers
- description: TSC3 registers
interrupts:
items:
- description: TEMP1 interrupt
- description: TEMP2 interrupt
- description: TEMP3 interrupt
clocks:
maxItems: 1
power-domains:
maxItems: 1
resets:
maxItems: 1
"#thermal-sensor-cells":
const: 1
required:
- compatible
- reg
- interrupts
- clocks
- power-domains
- resets
- "#thermal-sensor-cells"
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/r8a7795-cpg-mssr.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/r8a7795-sysc.h>
tsc: thermal@e6198000 {
compatible = "renesas,r8a7795-thermal";
reg = <0xe6198000 0x100>,
<0xe61a0000 0x100>,
<0xe61a8000 0x100>;
interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cpg CPG_MOD 522>;
power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
resets = <&cpg 522>;
#thermal-sensor-cells = <1>;
};
thermal-zones {
sensor_thermal: sensor-thermal {
polling-delay-passive = <250>;
polling-delay = <1000>;
thermal-sensors = <&tsc 0>;
trips {
sensor1_crit: sensor1-crit {
temperature = <90000>;
hysteresis = <2000>;
type = "critical";
};
};
};
};
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