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Diffstat (limited to 'Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml')
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diff --git a/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml new file mode 100644 index 000000000..f386f2a7c --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml @@ -0,0 +1,100 @@ +# 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"; + }; + }; + }; + }; |