Merge branch 'thermal/next' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux

Pull thermal management updates from Zhang Rui:

 - Fix a deadlock regression in thermal core framework, which was
   introduced in 5.3 (Wei Wang)

 - Initialize thermal control framework earlier to enable thermal
   mitigation during boot (Amit Kucheria)

 - Convert the Intelligent Power Allocator (IPA) thermal governor to
   follow the generic PM_EM instead of its own Energy Model (Quentin
   Perret)

 - Introduce a new Amlogic soc thermal driver (Guillaume La Roque)

 - Add interrupt support for tsens thermal driver (Amit Kucheria)

 - Add support for MSM8956/8976 in tsens thermal driver
   (AngeloGioacchino Del Regno)

 - Add support for r8a774b1 in rcar thermal driver (Biju Das)

 - Add support for Thermal Monitor Unit v2 in qoriq thermal driver
   (Yuantian Tang)

 - Some other fixes/cleanups on thermal core framework and soc thermal
   drivers (Colin Ian King, Daniel Lezcano, Hsin-Yi Wang, Tian Tao)

* 'thermal/next' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (32 commits)
  thermal: Fix deadlock in thermal thermal_zone_device_check
  thermal: cpu_cooling: Migrate to using the EM framework
  thermal: cpu_cooling: Make the power-related code depend on IPA
  PM / EM: Declare EM data types unconditionally
  arm64: defconfig: Enable CONFIG_ENERGY_MODEL
  drivers: thermal: tsens: fix potential integer overflow on multiply
  thermal: cpu_cooling: Reorder the header file
  thermal: cpu_cooling: Remove pointless dependency on CONFIG_OF
  thermal: no need to set .owner when using module_platform_driver
  thermal: qcom: tsens-v1: Fix kfree of a non-pointer value
  cpufreq: qcom-hw: Move driver initialization earlier
  clk: qcom: Initialize clock drivers earlier
  cpufreq: Initialize cpufreq-dt driver earlier
  cpufreq: Initialize the governors in core_initcall
  thermal: Initialize thermal subsystem earlier
  thermal: Remove netlink support
  dt: thermal: tsens: Document compatible for MSM8976/56
  thermal: qcom: tsens-v1: Add support for MSM8956 and MSM8976
  MAINTAINERS: add entry for Amlogic Thermal driver
  thermal: amlogic: Add thermal driver to support G12 SoCs
  ...

Author: torvalds

Documentation/devicetree/bindings/thermal/amlogic,thermal.yaml

@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/thermal/amlogic,thermal.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amlogic Thermal
+
+maintainers:
+  - Guillaume La Roque <[email protected]>
+
+description: Binding for Amlogic Thermal
+
+properties:
+  compatible:
+      items:
+        - enum:
+            - amlogic,g12a-cpu-thermal
+            - amlogic,g12a-ddr-thermal
+        - const: amlogic,g12a-thermal
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  amlogic,ao-secure:
+    description: phandle to the ao-secure syscon
+    $ref: '/schemas/types.yaml#/definitions/phandle'
+
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - amlogic,ao-secure
+
+examples:
+  - |
+        cpu_temp: temperature-sensor@ff634800 {
+                compatible = "amlogic,g12a-cpu-thermal",
+                             "amlogic,g12a-thermal";
+                reg = <0xff634800 0x50>;
+                interrupts = <0x0 0x24 0x0>;
+                clocks = <&clk 164>;
+                #thermal-sensor-cells = <0>;
+                amlogic,ao-secure = <&sec_AO>;
+        };
+...

Documentation/devicetree/bindings/thermal/qcom-tsens.txt

@@ -0,0 +1,170 @@
+# 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 <[email protected]>
+
+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: v0.1 of TSENS
+        items:
+          - enum:
+              - qcom,msm8916-tsens
+              - qcom,msm8974-tsens
+          - const: qcom,tsens-v0_1
+
+      - description: v1 of TSENS
+        items:
+          - enum:
+              - qcom,msm8976-tsens
+              - qcom,qcs404-tsens
+          - const: qcom,tsens-v1
+
+      - description: v2 of TSENS
+        items:
+          - enum:
+              - qcom,msm8996-tsens
+              - qcom,msm8998-tsens
+              - qcom,sdm845-tsens
+          - const: qcom,tsens-v2
+
+  reg:
+    maxItems: 2
+    items:
+      - description: TM registers
+      - description: SROT registers
+
+  nvmem-cells:
+    minItems: 1
+    maxItems: 2
+    description:
+      Reference to an nvmem node for the calibration data
+
+  nvmem-cells-names:
+    minItems: 1
+    maxItems: 2
+    items:
+      - enum:
+        - caldata
+        - calsel
+
+  "#qcom,sensors":
+    allOf:
+      - $ref: /schemas/types.yaml#/definitions/uint32
+      - minimum: 1
+      - maximum: 16
+    description:
+      Number of sensors enabled on this platform
+
+  "#thermal-sensor-cells":
+    const: 1
+    description:
+      Number of cells required to uniquely identify the thermal sensors. Since
+      we have multiple sensors this is set to 1
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,msm8916-tsens
+              - qcom,msm8974-tsens
+              - qcom,msm8976-tsens
+              - qcom,qcs404-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
+
+    else:
+      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
+
+required:
+  - compatible
+  - reg
+  - "#qcom,sensors"
+  - interrupts
+  - interrupt-names
+  - "#thermal-sensor-cells"
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    // Example 1 (legacy: for pre v1 IP):
+    tsens1: thermal-sensor@900000 {
+           compatible = "qcom,msm8916-tsens", "qcom,tsens-v0_1";
+           reg = <0x4a9000 0x1000>, /* TM */
+                 <0x4a8000 0x1000>; /* SROT */
+
+           nvmem-cells = <&tsens_caldata>, <&tsens_calsel>;
+           nvmem-cell-names = "caldata", "calsel";
+
+           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>;
+    };
+...

Documentation/devicetree/bindings/thermal/qcom-tsens.yaml

@@ -8,6 +8,7 @@ Required properties:
 - compatible		: "renesas,<soctype>-thermal",
 			  Examples with soctypes are:
 			    - "renesas,r8a774a1-thermal" (RZ/G2M)
+			    - "renesas,r8a774b1-thermal" (RZ/G2N)
 			    - "renesas,r8a7795-thermal" (R-Car H3)
 			    - "renesas,r8a7796-thermal" (R-Car M3-W)
 			    - "renesas,r8a77965-thermal" (R-Car M3-N)

Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.txt

@@ -725,24 +725,10 @@ method, the sys I/F structure will be built like this::
     |---temp1_input:		37000
     |---temp1_crit:		100000
 
-4. Event Notification
+4. Export Symbol APIs
 =====================
 
-The framework includes a simple notification mechanism, in the form of a
-netlink event. Netlink socket initialization is done during the _init_
-of the framework. Drivers which intend to use the notification mechanism
-just need to call thermal_generate_netlink_event() with two arguments viz
-(originator, event). The originator is a pointer to struct thermal_zone_device
-from where the event has been originated. An integer which represents the
-thermal zone device will be used in the message to identify the zone. The
-event will be one of:{THERMAL_AUX0, THERMAL_AUX1, THERMAL_CRITICAL,
-THERMAL_DEV_FAULT}. Notification can be sent when the current temperature
-crosses any of the configured thresholds.
-
-5. Export Symbol APIs
-=====================
-
-5.1. get_tz_trend
+4.1. get_tz_trend
 -----------------
 
 This function returns the trend of a thermal zone, i.e the rate of change
@@ -751,14 +737,14 @@ are supposed to implement the callback. If they don't, the thermal
 framework calculated the trend by comparing the previous and the current
 temperature values.
 
-5.2. get_thermal_instance
+4.2. get_thermal_instance
 -------------------------
 
 This function returns the thermal_instance corresponding to a given
 {thermal_zone, cooling_device, trip_point} combination. Returns NULL
 if such an instance does not exist.
 
-5.3. thermal_notify_framework
+4.3. thermal_notify_framework
 -----------------------------
 
 This function handles the trip events from sensor drivers. It starts
@@ -768,14 +754,14 @@ and does actual throttling for other trip points i.e ACTIVE and PASSIVE.
 The throttling policy is based on the configured platform data; if no
 platform data is provided, this uses the step_wise throttling policy.
 
-5.4. thermal_cdev_update
+4.4. thermal_cdev_update
 ------------------------
 
 This function serves as an arbitrator to set the state of a cooling
 device. It sets the cooling device to the deepest cooling state if
 possible.
 
-6. thermal_emergency_poweroff
+5. thermal_emergency_poweroff
 =============================
 
 On an event of critical trip temperature crossing. Thermal framework

Documentation/driver-api/thermal/sysfs-api.rst

@@ -13688,6 +13688,7 @@ L:	[email protected]
 L:	[email protected]
 S:	Maintained
 F:	drivers/thermal/qcom/
+F:	Documentation/devicetree/bindings/thermal/qcom-tsens.yaml
 
 QUALCOMM VENUS VIDEO ACCELERATOR DRIVER
 M:	Stanimir Varbanov <[email protected]>
@@ -16310,6 +16311,15 @@ F:	Documentation/driver-api/thermal/cpu-cooling-api.rst
 F:	drivers/thermal/cpu_cooling.c
 F:	include/linux/cpu_cooling.h
 
+THERMAL DRIVER FOR AMLOGIC SOCS
+M:	Guillaume La Roque <[email protected]>
+L:	[email protected]
+L:	[email protected]
+W:	http://linux-meson.com/
+S:	Supported
+F:	drivers/thermal/amlogic_thermal.c
+F:	Documentation/devicetree/bindings/thermal/amlogic,thermal.yaml
+
 THINKPAD ACPI EXTRAS DRIVER
 M:	Henrique de Moraes Holschuh <[email protected]>
 L:	[email protected]

MAINTAINERS

@@ -71,6 +71,7 @@ CONFIG_COMPAT=y
 CONFIG_RANDOMIZE_BASE=y
 CONFIG_HIBERNATION=y
 CONFIG_WQ_POWER_EFFICIENT_DEFAULT=y
+CONFIG_ENERGY_MODEL=y
 CONFIG_ARM_CPUIDLE=y
 CONFIG_ARM_PSCI_CPUIDLE=y
 CONFIG_CPU_FREQ=y

arch/arm64/configs/defconfig

@@ -500,7 +500,7 @@ static int __init clk_rpmh_init(void)
 {
 	return platform_driver_register(&clk_rpmh_driver);
 }
-subsys_initcall(clk_rpmh_init);
+core_initcall(clk_rpmh_init);
 
 static void __exit clk_rpmh_exit(void)
 {