1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/thermal/imx-thermal.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: NXP i.MX Thermal Binding 8 9maintainers: 10 - Shawn Guo <shawn.guo@linaro.org> 11 - Anson Huang <Anson.Huang@nxp.com> 12 13properties: 14 compatible: 15 enum: 16 - fsl,imx6q-tempmon 17 - fsl,imx6sx-tempmon 18 - fsl,imx7d-tempmon 19 20 interrupts: 21 description: | 22 The interrupt output of the controller, i.MX6Q has IRQ_HIGH which 23 will be triggered when temperature is higher than high threshold, 24 i.MX6SX and i.MX7S/D have two more IRQs than i.MX6Q, one is IRQ_LOW 25 and the other is IRQ_PANIC, when temperature is lower than low 26 threshold, IRQ_LOW will be triggered, when temperature is higher 27 than panic threshold, IRQ_PANIC will be triggered, and system can 28 be configured to auto reboot by SRC module for IRQ_PANIC. IRQ_HIGH, 29 IRQ_LOW and IRQ_PANIC share same interrupt output of controller. 30 maxItems: 1 31 32 nvmem-cells: 33 items: 34 - description: Phandle to the calibration data provided by ocotp 35 - description: Phandle to the temperature grade provided by ocotp 36 37 nvmem-cell-names: 38 items: 39 - const: calib 40 - const: temp_grade 41 42 fsl,tempmon: 43 $ref: '/schemas/types.yaml#/definitions/phandle' 44 description: Phandle to anatop system controller node. 45 46 fsl,tempmon-data: 47 $ref: '/schemas/types.yaml#/definitions/phandle' 48 description: | 49 Deprecated property, phandle pointer to fuse controller that contains 50 TEMPMON calibration data, e.g. OCOTP on imx6q. The details about 51 calibration data can be found in SoC Reference Manual. 52 deprecated: true 53 54 clocks: 55 maxItems: 1 56 57required: 58 - compatible 59 - interrupts 60 - fsl,tempmon 61 - nvmem-cells 62 - nvmem-cell-names 63 64additionalProperties: false 65 66examples: 67 - | 68 #include <dt-bindings/clock/imx6sx-clock.h> 69 #include <dt-bindings/interrupt-controller/arm-gic.h> 70 71 efuse@21bc000 { 72 #address-cells = <1>; 73 #size-cells = <1>; 74 compatible = "fsl,imx6sx-ocotp", "syscon"; 75 reg = <0x021bc000 0x4000>; 76 clocks = <&clks IMX6SX_CLK_OCOTP>; 77 78 tempmon_calib: calib@38 { 79 reg = <0x38 4>; 80 }; 81 82 tempmon_temp_grade: temp-grade@20 { 83 reg = <0x20 4>; 84 }; 85 }; 86 87 anatop@20c8000 { 88 compatible = "fsl,imx6q-anatop", "syscon", "simple-mfd"; 89 reg = <0x020c8000 0x1000>; 90 interrupts = <0 49 IRQ_TYPE_LEVEL_HIGH>, 91 <0 54 IRQ_TYPE_LEVEL_HIGH>, 92 <0 127 IRQ_TYPE_LEVEL_HIGH>; 93 94 tempmon { 95 compatible = "fsl,imx6sx-tempmon"; 96 interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>; 97 fsl,tempmon = <&anatop>; 98 nvmem-cells = <&tempmon_calib>, <&tempmon_temp_grade>; 99 nvmem-cell-names = "calib", "temp_grade"; 100 clocks = <&clks IMX6SX_CLK_PLL3_USB_OTG>; 101 }; 102 }; 103