141 lines
3.7 KiB
YAML
141 lines
3.7 KiB
YAML
# SPDX-License-Identifier: GPL-2.0-only
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# Copyright (C) 2020 Renesas Electronics Corp.
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/thermal/rcar-gen3-thermal.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Renesas R-Car Gen3 Thermal Sensor
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description:
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On R-Car Gen3 SoCs, the thermal sensor controllers (TSC) control the thermal
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sensors (THS) which are the analog circuits for measuring temperature (Tj)
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inside the LSI.
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maintainers:
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- Niklas Söderlund <niklas.soderlund@ragnatech.se>
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properties:
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compatible:
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enum:
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- renesas,r8a774a1-thermal # RZ/G2M
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- renesas,r8a774b1-thermal # RZ/G2N
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- renesas,r8a774e1-thermal # RZ/G2H
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- renesas,r8a7795-thermal # R-Car H3
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- renesas,r8a7796-thermal # R-Car M3-W
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- renesas,r8a77961-thermal # R-Car M3-W+
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- renesas,r8a77965-thermal # R-Car M3-N
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- renesas,r8a77980-thermal # R-Car V3H
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- renesas,r8a779a0-thermal # R-Car V3U
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reg: true
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interrupts:
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items:
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- description: TEMP1 interrupt
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- description: TEMP2 interrupt
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- description: TEMP3 interrupt
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clocks:
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maxItems: 1
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power-domains:
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maxItems: 1
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resets:
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maxItems: 1
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"#thermal-sensor-cells":
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const: 1
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required:
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- compatible
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- reg
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- clocks
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- power-domains
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- resets
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- "#thermal-sensor-cells"
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if:
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not:
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properties:
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compatible:
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contains:
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enum:
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- renesas,r8a779a0-thermal
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then:
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properties:
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reg:
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minItems: 2
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maxItems: 3
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items:
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- description: TSC1 registers
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- description: TSC2 registers
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- description: TSC3 registers
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required:
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- interrupts
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else:
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properties:
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reg:
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items:
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- description: TSC0 registers
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- description: TSC1 registers
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- description: TSC2 registers
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- description: TSC3 registers
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- description: TSC4 registers
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/r8a7795-cpg-mssr.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/power/r8a7795-sysc.h>
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tsc: thermal@e6198000 {
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compatible = "renesas,r8a7795-thermal";
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reg = <0xe6198000 0x100>,
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<0xe61a0000 0x100>,
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<0xe61a8000 0x100>;
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interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cpg CPG_MOD 522>;
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power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
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resets = <&cpg 522>;
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#thermal-sensor-cells = <1>;
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};
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thermal-zones {
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sensor_thermal: sensor-thermal {
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polling-delay-passive = <250>;
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polling-delay = <1000>;
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thermal-sensors = <&tsc 0>;
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trips {
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sensor1_crit: sensor1-crit {
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temperature = <90000>;
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hysteresis = <2000>;
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type = "critical";
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};
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};
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};
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};
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- |
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#include <dt-bindings/clock/r8a779a0-cpg-mssr.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/power/r8a779a0-sysc.h>
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tsc_r8a779a0: thermal@e6190000 {
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compatible = "renesas,r8a779a0-thermal";
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reg = <0xe6190000 0x200>,
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<0xe6198000 0x200>,
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<0xe61a0000 0x200>,
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<0xe61a8000 0x200>,
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<0xe61b0000 0x200>;
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clocks = <&cpg CPG_MOD 919>;
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power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
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resets = <&cpg 919>;
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#thermal-sensor-cells = <1>;
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};
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