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|
# SPDX-License-Identifier: (GPL-2.0 OR MIT)
# Copyright 2019 Linaro Ltd.
%YAML 1.2
---
$id: http://devicetree.org/schemas/thermal/qcom-tsens.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: QCOM SoC Temperature Sensor (TSENS)
maintainers:
- Amit Kucheria <amitk@kernel.org>
description: |
QCOM SoCs have TSENS IP to allow temperature measurement. There are currently
three distinct major versions of the IP that is supported by a single driver.
The IP versions are named v0.1, v1 and v2 in the driver, where v0.1 captures
everything before v1 when there was no versioning information.
properties:
compatible:
oneOf:
- description: msm8960 TSENS based
items:
- enum:
- qcom,ipq8064-tsens
- qcom,msm8960-tsens
- description: v0.1 of TSENS
items:
- enum:
- qcom,mdm9607-tsens
- qcom,msm8226-tsens
- qcom,msm8909-tsens
- qcom,msm8916-tsens
- qcom,msm8939-tsens
- qcom,msm8974-tsens
- const: qcom,tsens-v0_1
- description: v1 of TSENS
items:
- enum:
- qcom,msm8937-tsens
- qcom,msm8956-tsens
- qcom,msm8976-tsens
- qcom,qcs404-tsens
- const: qcom,tsens-v1
- description: v2 of TSENS
items:
- enum:
- qcom,msm8953-tsens
- qcom,msm8996-tsens
- qcom,msm8998-tsens
- qcom,qcm2290-tsens
- qcom,sa8255p-tsens
- qcom,sa8775p-tsens
- qcom,sar2130p-tsens
- qcom,sc7180-tsens
- qcom,sc7280-tsens
- qcom,sc8180x-tsens
- qcom,sc8280xp-tsens
- qcom,sdm630-tsens
- qcom,sdm845-tsens
- qcom,sm6115-tsens
- qcom,sm6350-tsens
- qcom,sm6375-tsens
- qcom,sm8150-tsens
- qcom,sm8250-tsens
- qcom,sm8350-tsens
- qcom,sm8450-tsens
- qcom,sm8550-tsens
- qcom,sm8650-tsens
- qcom,x1e80100-tsens
- const: qcom,tsens-v2
- description: v2 of TSENS with combined interrupt
enum:
- qcom,ipq8074-tsens
- description: v2 of TSENS with combined interrupt
items:
- enum:
- qcom,ipq9574-tsens
- const: qcom,ipq8074-tsens
reg:
items:
- description: TM registers
- description: SROT registers
interrupts:
minItems: 1
maxItems: 2
interrupt-names:
minItems: 1
maxItems: 2
nvmem-cells:
oneOf:
- minItems: 1
maxItems: 2
description:
Reference to an nvmem node for the calibration data
- minItems: 5
maxItems: 35
description: |
Reference to nvmem cells for the calibration mode, two calibration
bases and two cells per each sensor
# special case for msm8974 / apq8084
- maxItems: 51
description: |
Reference to nvmem cells for the calibration mode, two calibration
bases and two cells per each sensor, main and backup copies, plus use_backup cell
nvmem-cell-names:
oneOf:
- minItems: 1
items:
- const: calib
- enum:
- calib_backup
- calib_sel
- minItems: 5
items:
- const: mode
- const: base1
- const: base2
- pattern: '^s[0-9]+_p1$'
- pattern: '^s[0-9]+_p2$'
- pattern: '^s[0-9]+_p1$'
- pattern: '^s[0-9]+_p2$'
- pattern: '^s[0-9]+_p1$'
- pattern: '^s[0-9]+_p2$'
- pattern: '^s[0-9]+_p1$'
- pattern: '^s[0-9]+_p2$'
- pattern: '^s[0-9]+_p1$'
- pattern: '^s[0-9]+_p2$'
- pattern: '^s[0-9]+_p1$'
- pattern: '^s[0-9]+_p2$'
- pattern: '^s[0-9]+_p1$'
- pattern: '^s[0-9]+_p2$'
- pattern: '^s[0-9]+_p1$'
- pattern: '^s[0-9]+_p2$'
- pattern: '^s[0-9]+_p1$'
- pattern: '^s[0-9]+_p2$'
- pattern: '^s[0-9]+_p1$'
- pattern: '^s[0-9]+_p2$'
- pattern: '^s[0-9]+_p1$'
- pattern: '^s[0-9]+_p2$'
- pattern: '^s[0-9]+_p1$'
- pattern: '^s[0-9]+_p2$'
- pattern: '^s[0-9]+_p1$'
- pattern: '^s[0-9]+_p2$'
- pattern: '^s[0-9]+_p1$'
- pattern: '^s[0-9]+_p2$'
- pattern: '^s[0-9]+_p1$'
- pattern: '^s[0-9]+_p2$'
- pattern: '^s[0-9]+_p1$'
- pattern: '^s[0-9]+_p2$'
# special case for msm8974 / apq8084
- items:
- const: mode
- const: base1
- const: base2
- const: use_backup
- const: mode_backup
- const: base1_backup
- const: base2_backup
- const: s0_p1
- const: s0_p2
- const: s1_p1
- const: s1_p2
- const: s2_p1
- const: s2_p2
- const: s3_p1
- const: s3_p2
- const: s4_p1
- const: s4_p2
- const: s5_p1
- const: s5_p2
- const: s6_p1
- const: s6_p2
- const: s7_p1
- const: s7_p2
- const: s8_p1
- const: s8_p2
- const: s9_p1
- const: s9_p2
- const: s10_p1
- const: s10_p2
- const: s0_p1_backup
- const: s0_p2_backup
- const: s1_p1_backup
- const: s1_p2_backup
- const: s2_p1_backup
- const: s2_p2_backup
- const: s3_p1_backup
- const: s3_p2_backup
- const: s4_p1_backup
- const: s4_p2_backup
- const: s5_p1_backup
- const: s5_p2_backup
- const: s6_p1_backup
- const: s6_p2_backup
- const: s7_p1_backup
- const: s7_p2_backup
- const: s8_p1_backup
- const: s8_p2_backup
- const: s9_p1_backup
- const: s9_p2_backup
- const: s10_p1_backup
- const: s10_p2_backup
"#qcom,sensors":
description:
Number of sensors enabled on this platform
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 1
maximum: 16
"#thermal-sensor-cells":
const: 1
required:
- compatible
- interrupts
- interrupt-names
- "#qcom,sensors"
allOf:
- $ref: thermal-sensor.yaml#
- if:
properties:
compatible:
contains:
enum:
- qcom,ipq8064-tsens
- qcom,msm8960-tsens
- qcom,tsens-v0_1
- qcom,tsens-v1
then:
properties:
interrupts:
items:
- description: Combined interrupt if upper or lower threshold crossed
interrupt-names:
items:
- const: uplow
- if:
properties:
compatible:
contains:
const: qcom,tsens-v2
then:
properties:
interrupts:
items:
- description: Combined interrupt if upper or lower threshold crossed
- description: Interrupt if critical threshold crossed
interrupt-names:
items:
- const: uplow
- const: critical
- if:
properties:
compatible:
contains:
enum:
- qcom,ipq8074-tsens
then:
properties:
interrupts:
items:
- description: Combined interrupt if upper, lower or critical thresholds crossed
interrupt-names:
items:
- const: combined
- if:
properties:
compatible:
contains:
enum:
- qcom,ipq8074-tsens
- qcom,tsens-v0_1
- qcom,tsens-v1
- qcom,tsens-v2
then:
required:
- reg
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
thermal-sensor {
compatible = "qcom,ipq8064-tsens";
nvmem-cells = <&tsens_calib>, <&tsens_calib_backup>;
nvmem-cell-names = "calib", "calib_backup";
interrupts = <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "uplow";
#qcom,sensors = <11>;
#thermal-sensor-cells = <1>;
};
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
// Example 1 (new calibration data: for pre v1 IP):
thermal-sensor@4a9000 {
compatible = "qcom,msm8916-tsens", "qcom,tsens-v0_1";
reg = <0x4a9000 0x1000>, /* TM */
<0x4a8000 0x1000>; /* SROT */
nvmem-cells = <&tsens_mode>,
<&tsens_base1>, <&tsens_base2>,
<&tsens_s0_p1>, <&tsens_s0_p2>,
<&tsens_s1_p1>, <&tsens_s1_p2>,
<&tsens_s2_p1>, <&tsens_s2_p2>,
<&tsens_s4_p1>, <&tsens_s4_p2>,
<&tsens_s5_p1>, <&tsens_s5_p2>;
nvmem-cell-names = "mode",
"base1", "base2",
"s0_p1", "s0_p2",
"s1_p1", "s1_p2",
"s2_p1", "s2_p2",
"s4_p1", "s4_p2",
"s5_p1", "s5_p2";
interrupts = <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "uplow";
#qcom,sensors = <5>;
#thermal-sensor-cells = <1>;
};
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
// Example 1 (legacy: for pre v1 IP):
tsens1: thermal-sensor@4a9000 {
compatible = "qcom,msm8916-tsens", "qcom,tsens-v0_1";
reg = <0x4a9000 0x1000>, /* TM */
<0x4a8000 0x1000>; /* SROT */
nvmem-cells = <&tsens_caldata>, <&tsens_calsel>;
nvmem-cell-names = "calib", "calib_sel";
interrupts = <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "uplow";
#qcom,sensors = <5>;
#thermal-sensor-cells = <1>;
};
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
// Example 2 (for any platform containing v1 of the TSENS IP):
tsens2: thermal-sensor@4a9000 {
compatible = "qcom,qcs404-tsens", "qcom,tsens-v1";
reg = <0x004a9000 0x1000>, /* TM */
<0x004a8000 0x1000>; /* SROT */
nvmem-cells = <&tsens_caldata>;
nvmem-cell-names = "calib";
interrupts = <GIC_SPI 506 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "uplow";
#qcom,sensors = <10>;
#thermal-sensor-cells = <1>;
};
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
// Example 3 (for any platform containing v2 of the TSENS IP):
tsens3: thermal-sensor@c263000 {
compatible = "qcom,sdm845-tsens", "qcom,tsens-v2";
reg = <0xc263000 0x1ff>,
<0xc222000 0x1ff>;
interrupts = <GIC_SPI 506 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 508 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "uplow", "critical";
#qcom,sensors = <13>;
#thermal-sensor-cells = <1>;
};
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
// Example 4 (for any IPQ8074 based SoC-s):
tsens4: thermal-sensor@4a9000 {
compatible = "qcom,ipq8074-tsens";
reg = <0x4a9000 0x1000>,
<0x4a8000 0x1000>;
interrupts = <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "combined";
#qcom,sensors = <16>;
#thermal-sensor-cells = <1>;
};
...
|
