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authorLinus Torvalds <torvalds@linux-foundation.org>2022-12-15 21:16:04 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-12-15 21:16:04 +0300
commit601c1aa855a686643259c4a34e96ee692cdaf01f (patch)
treef2b7364f873b8f7373d69517e8b9be2e1e1ac782 /Documentation/devicetree
parentc0f234ff90a211272138be1611ba53f3155ebd78 (diff)
parentbd7bcc4f963c8898176ad864288959375154e038 (diff)
downloadlinux-601c1aa855a686643259c4a34e96ee692cdaf01f.tar.xz
Merge tag 'thermal-6.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more thermal control updates from Rafael Wysocki: "These are updates of assorted thermal drivers, mostly for ARM platforms, generally isolated and fairly straightforward, and the recent Intel HFI driver fix for systems without HFI support. Specifics: - Avoid clearing the HFI status bit on systems without HFI support which triggers unchecked MSR access errors (Srinivas Pandruvada) - Add sm8450 and sm8550 QCom compatible string to DT bindings (Luca Weiss, Neil Armstrong) - Use devm_platform_get_and_ioremap_resource on the ST platform to group two calls into a single one (Minghao Chi) - Use GENMASK instead of bitmaps and validate the temperature after reading it in the imx8mm_thermal driver (Marcus Folkesson) - Convert generic-adc-thermal to DT schema (Rob Herring) - Fix debug print message with inverted logic in the k3_j72xx_bandgap driver (Keerthy) - Fix memory leak on thermal_of_zone_register() failure (Ido Schimmel) - Add support for IPQ8074 in the tsens thermal driver along with the DT bindings (Robert Marko) - Fix and rework the debugfs code in the tsens driver (Christian Marangi) - Add calibration and DT documentation for the imx8mm driver (Marek Vasut) - Add DT bindings and compatible for the Mediatek SoCs mt7981 and mt7983 (Daniel Golle) - Don't show an error message if it happens at probe time while it will be deferred on the QCom SPMI ADC driver (Johan Hovold) - Add HWMon support for the imx8mm board (Alexander Stein) - Remove pointless include from the power allocator governor (Christophe JAILLET) - Add interrupt DT bindings for QCom SoCs SC8280XP, SM6350 and SM8450 (Krzysztof Kozlowski) - Fix inaccurate warning message for the QCom tsens gen2 (Luca Weiss) - Demote error log of thermal zone register to debug in the tsens QCom driver (Manivannan Sadhasivam) - Consolidate the the efuse values and the errata handling in the TI Bandgap driver (Bryan Brattlof) - Document Renesas RZ/Five as compatible with RZ/G2UL in the DT bindings (Lad Prabhakar) - Fix the irq handler return value in the LMh driver (Bjorn Andersson) - Delete empty platform remove callback from imx_sc_thermal (Uwe Kleine-König)" * tag 'thermal-6.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (35 commits) thermal/drivers/imx_sc_thermal: Drop empty platform remove function thermal/drivers/qcom/lmh: Fix irq handler return value dt-bindings: thermal: qcom-tsens: Add compatible for sm8550 thermal/drivers/st: Use devm_platform_get_and_ioremap_resource() dt-bindings: thermal: rzg2l-thermal: Document RZ/Five SoC dt-bindings: thermal: k3-j72xx: conditionally require efuse reg range dt-bindings: thermal: k3-j72xx: elaborate on binding description thermal/drivers/k3_j72xx_bandgap: Map fuse_base only for erratum workaround thermal/drivers/k3_j72xx_bandgap: Remove fuse_base from structure thermal/drivers/k3_j72xx_bandgap: Use bool for i2128 erratum flag thermal/drivers/k3_j72xx_bandgap: Simplify k3_thermal_get_temp() function thermal/drivers/qcom: Demote error log of thermal zone register to debug thermal/drivers/qcom/temp-alarm: Fix inaccurate warning for gen2 dt-bindings: thermal: qcom-tsens: narrow interrupts for SC8280XP, SM6350 and SM8450 thermal/core/power allocator: Remove a useless include thermal/drivers/imx8mm: Add hwmon support thermal: qcom-spmi-adc-tm5: suppress probe-deferral error message dt-bindings: thermal: mediatek: add compatible string for MT7986 and MT7981 SoC thermal: ti-soc-thermal: Drop comma after SoC match table sentinel thermal/drivers/imx: Add support for loading calibration data from OCOTP ...
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r--Documentation/devicetree/bindings/thermal/generic-adc-thermal.yaml84
-rw-r--r--Documentation/devicetree/bindings/thermal/imx8mm-thermal.yaml7
-rw-r--r--Documentation/devicetree/bindings/thermal/mediatek-thermal.txt2
-rw-r--r--Documentation/devicetree/bindings/thermal/qcom-tsens.yaml81
-rw-r--r--Documentation/devicetree/bindings/thermal/rzg2l-thermal.yaml2
-rw-r--r--Documentation/devicetree/bindings/thermal/thermal-generic-adc.txt95
-rw-r--r--Documentation/devicetree/bindings/thermal/ti,j72xx-thermal.yaml35
7 files changed, 198 insertions, 108 deletions
diff --git a/Documentation/devicetree/bindings/thermal/generic-adc-thermal.yaml b/Documentation/devicetree/bindings/thermal/generic-adc-thermal.yaml
new file mode 100644
index 000000000000..f1fc3b0d8608
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/generic-adc-thermal.yaml
@@ -0,0 +1,84 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/thermal/generic-adc-thermal.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: General Purpose Analog To Digital Converter (ADC) based thermal sensor
+
+maintainers:
+ - Laxman Dewangan <ldewangan@nvidia.com>
+
+description:
+ On some of platforms, thermal sensor like thermistors are connected to
+ one of ADC channel and sensor resistance is read via voltage across the
+ sensor resistor. The voltage read across the sensor is mapped to
+ temperature using voltage-temperature lookup table.
+
+properties:
+ compatible:
+ const: generic-adc-thermal
+
+ '#thermal-sensor-cells':
+ const: 0
+
+ io-channels:
+ maxItems: 1
+
+ io-channel-names:
+ const: sensor-channel
+
+ temperature-lookup-table:
+ description: |
+ Lookup table to map the relation between ADC value and temperature.
+ When ADC is read, the value is looked up on the table to get the
+ equivalent temperature.
+
+ If not specified, driver assumes the ADC channel gives milliCelsius
+ directly.
+ $ref: /schemas/types.yaml#/definitions/int32-matrix
+ items:
+ items:
+ - description: Temperature in milliCelsius
+ - description: ADC read value
+
+required:
+ - compatible
+ - '#thermal-sensor-cells'
+ - io-channels
+ - io-channel-names
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/thermal/thermal.h>
+
+ thermal-sensor {
+ compatible = "generic-adc-thermal";
+ #thermal-sensor-cells = <0>;
+ io-channels = <&ads1015 1>;
+ io-channel-names = "sensor-channel";
+ temperature-lookup-table = <
+ (-40000) 2578
+ (-39000) 2577
+ (-38000) 2576
+ (-37000) 2575
+ (-36000) 2574
+ (-35000) 2573
+ (-34000) 2572
+ (-33000) 2571
+ (-32000) 2569
+ (-31000) 2568
+ (-30000) 2567
+ /* skip */
+ 118000 254
+ 119000 247
+ 120000 240
+ 121000 233
+ 122000 226
+ 123000 220
+ 124000 214
+ 125000 208>;
+ };
+...
diff --git a/Documentation/devicetree/bindings/thermal/imx8mm-thermal.yaml b/Documentation/devicetree/bindings/thermal/imx8mm-thermal.yaml
index 89c54e08ee61..b90726229ac9 100644
--- a/Documentation/devicetree/bindings/thermal/imx8mm-thermal.yaml
+++ b/Documentation/devicetree/bindings/thermal/imx8mm-thermal.yaml
@@ -32,6 +32,13 @@ properties:
clocks:
maxItems: 1
+ nvmem-cells:
+ maxItems: 1
+ description: Phandle to the calibration data provided by ocotp
+
+ nvmem-cell-names:
+ const: calib
+
"#thermal-sensor-cells":
description: |
Number of cells required to uniquely identify the thermal
diff --git a/Documentation/devicetree/bindings/thermal/mediatek-thermal.txt b/Documentation/devicetree/bindings/thermal/mediatek-thermal.txt
index 5c7e7bdd029a..38b32bb447e3 100644
--- a/Documentation/devicetree/bindings/thermal/mediatek-thermal.txt
+++ b/Documentation/devicetree/bindings/thermal/mediatek-thermal.txt
@@ -13,6 +13,8 @@ Required properties:
- "mediatek,mt2701-thermal" : For MT2701 family of SoCs
- "mediatek,mt2712-thermal" : For MT2712 family of SoCs
- "mediatek,mt7622-thermal" : For MT7622 SoC
+ - "mediatek,mt7981-thermal", "mediatek,mt7986-thermal" : For MT7981 SoC
+ - "mediatek,mt7986-thermal" : For MT7986 SoC
- "mediatek,mt8183-thermal" : For MT8183 family of SoCs
- "mediatek,mt8516-thermal", "mediatek,mt2701-thermal : For MT8516 family of SoCs
- reg: Address range of the thermal controller
diff --git a/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml b/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml
index c41fcf404117..0231f187b097 100644
--- a/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml
+++ b/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml
@@ -58,8 +58,14 @@ properties:
- qcom,sm8150-tsens
- qcom,sm8250-tsens
- qcom,sm8350-tsens
+ - qcom,sm8450-tsens
+ - qcom,sm8550-tsens
- const: qcom,tsens-v2
+ - description: v2 of TSENS with combined interrupt
+ enum:
+ - qcom,ipq8074-tsens
+
reg:
items:
- description: TM registers
@@ -67,15 +73,11 @@ properties:
interrupts:
minItems: 1
- items:
- - description: Combined interrupt if upper or lower threshold crossed
- - description: Interrupt if critical threshold crossed
+ maxItems: 2
interrupt-names:
minItems: 1
- items:
- - const: uplow
- - const: critical
+ maxItems: 2
nvmem-cells:
minItems: 1
@@ -129,22 +131,64 @@ allOf:
then:
properties:
interrupts:
- maxItems: 1
+ items:
+ - description: Combined interrupt if upper or lower threshold crossed
interrupt-names:
- maxItems: 1
+ items:
+ - const: uplow
- else:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,msm8953-tsens
+ - qcom,msm8996-tsens
+ - qcom,msm8998-tsens
+ - qcom,sc7180-tsens
+ - qcom,sc7280-tsens
+ - qcom,sc8180x-tsens
+ - qcom,sc8280xp-tsens
+ - qcom,sdm630-tsens
+ - qcom,sdm845-tsens
+ - qcom,sm6350-tsens
+ - qcom,sm8150-tsens
+ - qcom,sm8250-tsens
+ - qcom,sm8350-tsens
+ - qcom,sm8450-tsens
+ - qcom,tsens-v2
+ then:
properties:
interrupts:
- minItems: 2
+ items:
+ - description: Combined interrupt if upper or lower threshold crossed
+ - description: Interrupt if critical threshold crossed
interrupt-names:
- minItems: 2
+ 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
@@ -227,4 +271,19 @@ examples:
#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>;
+ };
...
diff --git a/Documentation/devicetree/bindings/thermal/rzg2l-thermal.yaml b/Documentation/devicetree/bindings/thermal/rzg2l-thermal.yaml
index 1d8373397848..03f4b926e53c 100644
--- a/Documentation/devicetree/bindings/thermal/rzg2l-thermal.yaml
+++ b/Documentation/devicetree/bindings/thermal/rzg2l-thermal.yaml
@@ -17,7 +17,7 @@ properties:
compatible:
items:
- enum:
- - renesas,r9a07g043-tsu # RZ/G2UL
+ - renesas,r9a07g043-tsu # RZ/G2UL and RZ/Five
- renesas,r9a07g044-tsu # RZ/G2{L,LC}
- renesas,r9a07g054-tsu # RZ/V2L
- const: renesas,rzg2l-tsu
diff --git a/Documentation/devicetree/bindings/thermal/thermal-generic-adc.txt b/Documentation/devicetree/bindings/thermal/thermal-generic-adc.txt
deleted file mode 100644
index e136946a2f4f..000000000000
--- a/Documentation/devicetree/bindings/thermal/thermal-generic-adc.txt
+++ /dev/null
@@ -1,95 +0,0 @@
-General Purpose Analog To Digital Converter (ADC) based thermal sensor.
-
-On some of platforms, thermal sensor like thermistors are connected to
-one of ADC channel and sensor resistance is read via voltage across the
-sensor resistor. The voltage read across the sensor is mapped to
-temperature using voltage-temperature lookup table.
-
-Required properties:
-===================
-- compatible: Must be "generic-adc-thermal".
-- #thermal-sensor-cells: Should be 1. See Documentation/devicetree/bindings/thermal/thermal-sensor.yaml for a description
- of this property.
-Optional properties:
-===================
-- temperature-lookup-table: Two dimensional array of Integer; lookup table
- to map the relation between ADC value and
- temperature. When ADC is read, the value is
- looked up on the table to get the equivalent
- temperature.
-
- The first value of the each row of array is the
- temperature in milliCelsius and second value of
- the each row of array is the ADC read value.
-
- If not specified, driver assumes the ADC channel
- gives milliCelsius directly.
-
-Example :
-#include <dt-bindings/thermal/thermal.h>
-
-i2c@7000c400 {
- ads1015: ads1015@4a {
- reg = <0x4a>;
- compatible = "ads1015";
- sampling-frequency = <3300>;
- #io-channel-cells = <1>;
- };
-};
-
-tboard_thermistor: thermal-sensor {
- compatible = "generic-adc-thermal";
- #thermal-sensor-cells = <0>;
- io-channels = <&ads1015 1>;
- io-channel-names = "sensor-channel";
- temperature-lookup-table = < (-40000) 2578
- (-39000) 2577
- (-38000) 2576
- (-37000) 2575
- (-36000) 2574
- (-35000) 2573
- (-34000) 2572
- (-33000) 2571
- (-32000) 2569
- (-31000) 2568
- (-30000) 2567
- ::::::::::
- 118000 254
- 119000 247
- 120000 240
- 121000 233
- 122000 226
- 123000 220
- 124000 214
- 125000 208>;
-};
-
-dummy_cool_dev: dummy-cool-dev {
- compatible = "dummy-cooling-dev";
- #cooling-cells = <2>; /* min followed by max */
-};
-
-thermal-zones {
- Tboard {
- polling-delay = <15000>; /* milliseconds */
- polling-delay-passive = <0>; /* milliseconds */
- thermal-sensors = <&tboard_thermistor>;
-
- trips {
- therm_est_trip: therm_est_trip {
- temperature = <40000>;
- type = "active";
- hysteresis = <1000>;
- };
- };
-
- cooling-maps {
- map0 {
- trip = <&therm_est_trip>;
- cooling-device = <&dummy_cool_dev THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
- contribution = <100>;
- };
-
- };
- };
-};
diff --git a/Documentation/devicetree/bindings/thermal/ti,j72xx-thermal.yaml b/Documentation/devicetree/bindings/thermal/ti,j72xx-thermal.yaml
index c74f124ebfc0..0509c9cec224 100644
--- a/Documentation/devicetree/bindings/thermal/ti,j72xx-thermal.yaml
+++ b/Documentation/devicetree/bindings/thermal/ti,j72xx-thermal.yaml
@@ -9,6 +9,19 @@ title: Texas Instruments J72XX VTM (DTS) binding
maintainers:
- Keerthy <j-keerthy@ti.com>
+description: |
+ The TI K3 family of SoCs typically have a Voltage & Thermal
+ Management (VTM) device to control up to 8 temperature diode
+ sensors to measure silicon junction temperatures from different
+ hotspots of the chip as well as provide temperature, interrupt
+ and alerting information.
+
+ The following polynomial equation can then be used to convert
+ value returned by this device into a temperature in Celsius
+
+ Temp(C) = (-9.2627e-12) * x^4 + (6.0373e-08) * x^3 + \
+ (-1.7058e-04) * x^2 + (3.2512e-01) * x + (-4.9003e+01)
+
properties:
compatible:
enum:
@@ -19,7 +32,12 @@ properties:
items:
- description: VTM cfg1 register space
- description: VTM cfg2 register space
- - description: VTM efuse register space
+ - description: |
+ A software trimming method must be applied to some Jacinto
+ devices to function properly. This eFuse region provides
+ the information needed for these SoCs to report
+ temperatures accurately.
+ minItems: 2
power-domains:
maxItems: 1
@@ -27,6 +45,21 @@ properties:
"#thermal-sensor-cells":
const: 1
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: ti,j721e-vtm
+ then:
+ properties:
+ reg:
+ minItems: 3
+ else:
+ properties:
+ reg:
+ maxItems: 2
+
required:
- compatible
- reg