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