1 # SPDX-License-Identifier: GPL-2.0-only OR BSD 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/thermal/qco 4 $id: http://devicetree.org/schemas/thermal/qcom,spmi-temp-alarm.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Qualcomm QPNP PMIC Temperature Alarm 7 title: Qualcomm QPNP PMIC Temperature Alarm
8 8
9 maintainers: 9 maintainers:
10 - Bjorn Andersson <bjorn.andersson@linaro.org 10 - Bjorn Andersson <bjorn.andersson@linaro.org>
11 11
12 description: 12 description:
13 QPNP temperature alarm peripherals are found 13 QPNP temperature alarm peripherals are found inside of Qualcomm PMIC chips
14 that utilize the Qualcomm SPMI implementatio 14 that utilize the Qualcomm SPMI implementation. These peripherals provide an
15 interrupt signal and status register to iden 15 interrupt signal and status register to identify high PMIC die temperature.
16 16
17 allOf: 17 allOf:
18 - $ref: thermal-sensor.yaml# 18 - $ref: thermal-sensor.yaml#
19 19
20 properties: 20 properties:
21 compatible: 21 compatible:
22 const: qcom,spmi-temp-alarm 22 const: qcom,spmi-temp-alarm
23 23
24 reg: 24 reg:
25 maxItems: 1 25 maxItems: 1
26 26
27 interrupts: 27 interrupts:
28 maxItems: 1 28 maxItems: 1
29 29
30 io-channels: 30 io-channels:
31 items: 31 items:
32 - description: ADC channel, which report 32 - description: ADC channel, which reports chip die temperature
33 33
34 io-channel-names: 34 io-channel-names:
35 items: 35 items:
36 - const: thermal 36 - const: thermal
37 37
38 '#thermal-sensor-cells': 38 '#thermal-sensor-cells':
39 const: 0 39 const: 0
40 40
41 required: 41 required:
42 - compatible 42 - compatible
43 - reg 43 - reg
44 - interrupts 44 - interrupts
>> 45 - '#thermal-sensor-cells'
45 46
46 additionalProperties: false 47 additionalProperties: false
47 48
48 examples: 49 examples:
49 - | 50 - |
50 #include <dt-bindings/interrupt-controller 51 #include <dt-bindings/interrupt-controller/arm-gic.h>
51 52
52 pmic { 53 pmic {
53 #address-cells = <1>; 54 #address-cells = <1>;
54 #size-cells = <0>; 55 #size-cells = <0>;
55 56
56 pm8350_temp_alarm: temperature-sensor@ 57 pm8350_temp_alarm: temperature-sensor@a00 {
57 compatible = "qcom,spmi-temp-alarm 58 compatible = "qcom,spmi-temp-alarm";
58 reg = <0xa00>; 59 reg = <0xa00>;
59 interrupts = <0x1 0xa 0x0 IRQ_TYPE 60 interrupts = <0x1 0xa 0x0 IRQ_TYPE_EDGE_BOTH>;
60 #thermal-sensor-cells = <0>; 61 #thermal-sensor-cells = <0>;
61 }; 62 };
62 }; 63 };
63 64
64 thermal-zones { 65 thermal-zones {
65 pm8350_thermal: pm8350c-thermal { 66 pm8350_thermal: pm8350c-thermal {
66 polling-delay-passive = <100>; 67 polling-delay-passive = <100>;
67 polling-delay = <0>; 68 polling-delay = <0>;
68 thermal-sensors = <&pm8350_temp_al 69 thermal-sensors = <&pm8350_temp_alarm>;
69 70
70 trips { 71 trips {
71 pm8350_trip0: trip0 { 72 pm8350_trip0: trip0 {
72 temperature = <95000>; 73 temperature = <95000>;
73 hysteresis = <0>; 74 hysteresis = <0>;
74 type = "passive"; 75 type = "passive";
75 }; 76 };
76 77
77 pm8350_crit: pm8350c-crit { 78 pm8350_crit: pm8350c-crit {
78 temperature = <115000>; 79 temperature = <115000>;
79 hysteresis = <0>; 80 hysteresis = <0>;
80 type = "critical"; 81 type = "critical";
81 }; 82 };
82 }; 83 };
83 }; 84 };
84 }; 85 };
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