Signed-off-by: Hien Dang <hien.dang.eb@xxxxxxxxxxxxxxx> Signed-off-by: Khiem Nguyen <khiem.nguyen.xt@xxxxxxxxxxxxxxx> --- .../bindings/thermal/rcar-gen3-thermal.txt | 79 ++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.txt diff --git a/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.txt b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.txt new file mode 100644 index 0000000..ed6ce45 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.txt @@ -0,0 +1,79 @@ +* DT bindings for Renesas R-Car Gen3 Thermal Sensor driver + +Required properties: +- compatible : "renesas,thermal-<soctype>", + Examples with soctypes are: + - "renesas,thermal-r8a7795" (R-Car H3) + - "renesas,thermal-r8a7796" (R-Car M3) + - "renesas,rcar-gen3-thermal" as fallback +- reg : Address range of the thermal registers. +- clocks : Must contain a reference to the functional clock. +- #thermal-sensor-cells : Please see ./thermal.txt + +Option properties: + +- interrupts : Use interrupt +- power-domain : Must contain a reference to the power domain. This property is + mandatory if the thermal sensor instance is part of a controllable power + domain. + +Example (non interrupt support): + + tsc1: thermal@e6198000 { + compatible = "renesas,thermal-r8a7795", + "renesas,rcar-gen3-thermal"; + reg = <0 0xe6198000 0 0x5c>; + clocks = <&cpg CPG_MOD 522>; + power-domains = <&sysc R8A7795_PD_ALWAYS_ON>; + #thermal-sensor-cells = <0>; + status = "okay"; + }; + + thermal-zones { + sensor_thermal1: sensor-thermal1 { + polling-delay-passive = <250>; + polling-delay = <1000>; + + /* sensor ID */ + thermal-sensors = <&tsc1>; + + trips { + sensor1_crit: sensor1-crit { + temperature = <90000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + }; + }; + +Example (interrupt support): + + tsc1: thermal@e6198000 { + compatible = "renesas,thermal-r8a7795", + "renesas,rcar-gen3-thermal"; + reg = <0 0xe6198000 0 0x5c>; + interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cpg CPG_MOD 522>; + power-domains = <&sysc R8A7795_PD_ALWAYS_ON>; + #thermal-sensor-cells = <0>; + status = "okay"; + }; + + thermal-zones { + sensor_thermal1: sensor-thermal1 { + polling-delay-passive = <250>; + polling-delay = <0>; + + /* sensor ID */ + thermal-sensors = <&tsc1>; + + trips { + sensor1_crit: sensor1-crit { + temperature = <90000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + }; + }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html