| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/thermal/qcom,spmi-temp-alarm.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Qualcomm QPNP PMIC Temperature Alarm |
| 8 | |
| 9 | maintainers: |
| 10 | - Bjorn Andersson <bjorn.andersson@linaro.org> |
| 11 | |
| 12 | description: |
| 13 | QPNP temperature alarm peripherals are found inside of Qualcomm PMIC chips |
| 14 | that utilize the Qualcomm SPMI implementation. These peripherals provide an |
| 15 | interrupt signal and status register to identify high PMIC die temperature. |
| 16 | |
| 17 | allOf: |
| 18 | - $ref: thermal-sensor.yaml# |
| 19 | |
| 20 | properties: |
| 21 | compatible: |
| 22 | const: qcom,spmi-temp-alarm |
| 23 | |
| 24 | reg: |
| 25 | maxItems: 1 |
| 26 | |
| 27 | interrupts: |
| 28 | maxItems: 1 |
| 29 | |
| 30 | io-channels: |
| 31 | items: |
| 32 | - description: ADC channel, which reports chip die temperature |
| 33 | |
| 34 | io-channel-names: |
| 35 | items: |
| 36 | - const: thermal |
| 37 | |
| 38 | '#thermal-sensor-cells': |
| 39 | const: 0 |
| 40 | |
| 41 | required: |
| 42 | - compatible |
| 43 | - reg |
| 44 | - interrupts |
| 45 | - '#thermal-sensor-cells' |
| 46 | |
| 47 | additionalProperties: false |
| 48 | |
| 49 | examples: |
| 50 | - | |
| 51 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 52 | |
| 53 | pmic { |
| 54 | #address-cells = <1>; |
| 55 | #size-cells = <0>; |
| 56 | |
| 57 | pm8350_temp_alarm: temperature-sensor@a00 { |
| 58 | compatible = "qcom,spmi-temp-alarm"; |
| 59 | reg = <0xa00>; |
| 60 | interrupts = <0x1 0xa 0x0 IRQ_TYPE_EDGE_BOTH>; |
| 61 | #thermal-sensor-cells = <0>; |
| 62 | }; |
| 63 | }; |
| 64 | |
| 65 | thermal-zones { |
| 66 | pm8350_thermal: pm8350c-thermal { |
| 67 | polling-delay-passive = <100>; |
| 68 | polling-delay = <0>; |
| 69 | thermal-sensors = <&pm8350_temp_alarm>; |
| 70 | |
| 71 | trips { |
| 72 | pm8350_trip0: trip0 { |
| 73 | temperature = <95000>; |
| 74 | hysteresis = <0>; |
| 75 | type = "passive"; |
| 76 | }; |
| 77 | |
| 78 | pm8350_crit: pm8350c-crit { |
| 79 | temperature = <115000>; |
| 80 | hysteresis = <0>; |
| 81 | type = "critical"; |
| 82 | }; |
| 83 | }; |
| 84 | }; |
| 85 | }; |