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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 to 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
+
+required:
+ - compatible
+ - reg
+
+allOf:
+ - if:
+ not:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - renesas,thermal-r8a73a4 # R-Mobile APE6
+ - renesas,thermal-r8a7779 # R-Car H1
+ then:
+ required:
+ - resets
+ - '#thermal-sensor-cells'
+
+ - if:
+ not:
+ properties:
+ compatible:
+ contains:
+ const: renesas,thermal-r8a7779 # R-Car H1
+ then:
+ required:
+ - interrupts
+ - clocks
+ - power-domains
+
+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 {
+ };
+ };
+ };