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| -rw-r--r-- | Documentation/devicetree/bindings/thermal/renesas,r9a08g045-tsu.yaml | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/thermal/renesas,r9a08g045-tsu.yaml b/Documentation/devicetree/bindings/thermal/renesas,r9a08g045-tsu.yaml new file mode 100644 index 000000000000..573e2b9d3752 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/renesas,r9a08g045-tsu.yaml @@ -0,0 +1,93 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/thermal/renesas,r9a08g045-tsu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas RZ/G3S Thermal Sensor Unit + +description: + The thermal sensor unit (TSU) measures the temperature(Tj) inside + the LSI. + +maintainers: + - Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com> + +$ref: thermal-sensor.yaml# + +properties: + compatible: + const: renesas,r9a08g045-tsu + + reg: + maxItems: 1 + + clocks: + items: + - description: TSU module clock + + power-domains: + maxItems: 1 + + resets: + items: + - description: TSU module reset + + io-channels: + items: + - description: ADC channel which reports the TSU temperature + + io-channel-names: + items: + - const: tsu + + "#thermal-sensor-cells": + const: 0 + +required: + - compatible + - reg + - clocks + - power-domains + - resets + - io-channels + - io-channel-names + - '#thermal-sensor-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/r9a08g045-cpg.h> + + tsu: thermal@10059000 { + compatible = "renesas,r9a08g045-tsu"; + reg = <0x10059000 0x1000>; + clocks = <&cpg CPG_MOD R9A08G045_TSU_PCLK>; + resets = <&cpg R9A08G045_TSU_PRESETN>; + power-domains = <&cpg>; + #thermal-sensor-cells = <0>; + io-channels = <&adc 8>; + io-channel-names = "tsu"; + }; + + thermal-zones { + cpu-thermal { + polling-delay-passive = <250>; + polling-delay = <1000>; + thermal-sensors = <&tsu>; + + trips { + sensor_crit: sensor-crit { + temperature = <125000>; + hysteresis = <1000>; + type = "critical"; + }; + target: trip-point { + temperature = <100000>; + hysteresis = <1000>; + type = "passive"; + }; + }; + }; + }; |