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authorLinus Torvalds <torvalds@linux-foundation.org>2020-04-07 20:00:16 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-04-07 20:00:16 -0700
commit34183ddd13dbfa859c4b68d16a30aad2cce72b11 (patch)
treebb32ff408c71c834352a9bdf1e7969c12cc91976 /drivers
parent8645f09bad14df3776484b44933a41c446343087 (diff)
parent11700fcb90b40a38fbfba55b2bedfc9909be8ec8 (diff)
Merge tag 'thermal-v5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal updates from Daniel Lezcano: - Convert tsens configuration DT binding to yaml (Rajeshwari) - Add interrupt support on the rcar sensor (Niklas Söderlund) - Add a new Spreadtrum thermal driver (Baolin Wang) - Add thermal binding for the fsl scu board, a new API to retrieve the sensor id bound to the thermal zone and i.MX system controller sensor (Anson Huang)) - Remove warning log when a deferred probe is requested on Exynos (Marek Szyprowski) - Add the thermal monitoring unit support for imx8mm with its DT bindings (Anson Huang) - Rephrase the Kconfig text for clarity (Linus Walleij) - Use the gpio descriptor for the ti-soc-thermal (Linus Walleij) - Align msg structure to 4 bytes for i.MX SC, fix the Kconfig dependency, add the __may_be unused annotation for PM functions and the COMPILE_TEST option for imx8mm (Anson Huang) - Fix a dependency on regmap in Kconfig for qoriq (Yuantian Tang) - Add DT binding and support for the rcar gen3 r8a77961 and improve the error path on the rcar init function (Niklas Söderlund) - Cleanup and improvements for the tsens Qcom sensor (Amit Kucheria) - Improve code by removing lock and caching values in the rcar thermal sensor (Niklas Söderlund) - Cleanup in the qoriq drivers and add a call to imx_thermal_unregister_legacy_cooling in the removal function (Anson Huang) - Remove redundant 'maxItems' in tsens and sprd DT bindings (Rob Herring) - Change the thermal DT bindings by making the cooling-maps optional (Yuantian Tang) - Add Tiger Lake support (Sumeet Pawnikar) - Use scnprintf() for avoiding potential buffer overflow (Takashi Iwai) - Make pkg_temp_lock a raw_spinlock_t(Clark Williams) - Fix incorrect data types by changing them to signed on i.MX SC (Anson Huang) - Replace zero-length array with flexible-array member (Gustavo A. R. Silva) - Add support for i.MX8MP in the driver and in the DT bindings (Anson Huang) - Fix return value of the cpufreq_set_cur_state() function (Willy Wolff) - Remove abusing and scary WARN_ON in the cpufreq cooling device (Daniel Lezcano) - Fix build warning of incorrect argument type reported by sparse on imx8mm (Anson Huang) - Fix stub for the devfreq cooling device (Martin Blumenstingl) - Fix cpu idle cooling documentation (Sergey Vidishev) * tag 'thermal-v5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (52 commits) Documentation: cpu-idle-cooling: Fix diagram for 33% duty cycle thermal: devfreq_cooling: inline all stubs for CONFIG_DEVFREQ_THERMAL=n thermal: imx8mm: Fix build warning of incorrect argument type thermal/drivers/cpufreq_cooling: Remove abusing WARN_ON thermal/drivers/cpufreq_cooling: Fix return of cpufreq_set_cur_state thermal: imx8mm: Add i.MX8MP support dt-bindings: thermal: imx8mm-thermal: Add support for i.MX8MP thermal: qcom: tsens.h: Replace zero-length array with flexible-array member thermal: imx_sc_thermal: Fix incorrect data type thermal: int340x_thermal: Use scnprintf() for avoiding potential buffer overflow thermal: int340x: processor_thermal: Add Tiger Lake support thermal/x86_pkg_temp: Make pkg_temp_lock a raw_spinlock_t dt-bindings: thermal: make cooling-maps property optional dt-bindings: thermal: qcom-tsens: Remove redundant 'maxItems' dt-bindings: thermal: sprd: Remove redundant 'maxItems' thermal: imx: Calling imx_thermal_unregister_legacy_cooling() in .remove thermal: qoriq: Sort includes alphabetically thermal: qoriq: Use devm_add_action_or_reset() to handle all cleanups thermal: rcar_thermal: Remove lock in rcar_thermal_get_current_temp() thermal: rcar_thermal: Do not store ctemp in rcar_thermal_priv ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/thermal/Kconfig42
-rw-r--r--drivers/thermal/Makefile3
-rw-r--r--drivers/thermal/cpufreq_cooling.c5
-rw-r--r--drivers/thermal/imx8mm_thermal.c236
-rw-r--r--drivers/thermal/imx_sc_thermal.c148
-rw-r--r--drivers/thermal/imx_thermal.c16
-rw-r--r--drivers/thermal/intel/int340x_thermal/int3400_thermal.c2
-rw-r--r--drivers/thermal/intel/int340x_thermal/processor_thermal_device.c5
-rw-r--r--drivers/thermal/of-thermal.c62
-rw-r--r--drivers/thermal/qcom/tsens-8960.c4
-rw-r--r--drivers/thermal/qcom/tsens-common.c194
-rw-r--r--drivers/thermal/qcom/tsens-v0_1.c6
-rw-r--r--drivers/thermal/qcom/tsens-v1.c6
-rw-r--r--drivers/thermal/qcom/tsens-v2.c24
-rw-r--r--drivers/thermal/qcom/tsens.c65
-rw-r--r--drivers/thermal/qcom/tsens.h105
-rw-r--r--drivers/thermal/qoriq_thermal.c40
-rw-r--r--drivers/thermal/rcar_gen3_thermal.c31
-rw-r--r--drivers/thermal/rcar_thermal.c53
-rw-r--r--drivers/thermal/samsung/exynos_tmu.c4
-rw-r--r--drivers/thermal/sprd_thermal.c552
-rw-r--r--drivers/thermal/st/stm_thermal.c3
-rw-r--r--drivers/thermal/ti-soc-thermal/ti-bandgap.c44
-rw-r--r--drivers/thermal/ti-soc-thermal/ti-bandgap.h4
24 files changed, 1435 insertions, 219 deletions
diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index 5a05db5438d6..91af271e9bb0 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -1,17 +1,18 @@
# SPDX-License-Identifier: GPL-2.0-only
#
-# Generic thermal sysfs drivers configuration
+# Generic thermal drivers configuration
#
menuconfig THERMAL
- bool "Generic Thermal sysfs driver"
+ bool "Thermal drivers"
help
- Generic Thermal Sysfs driver offers a generic mechanism for
+ Thermal drivers offer a generic mechanism for
thermal management. Usually it's made up of one or more thermal
- zone and cooling device.
+ zones and cooling devices.
Each thermal zone contains its own temperature, trip points,
- cooling devices.
- All platforms with ACPI thermal support can use this driver.
+ and cooling devices.
+ All platforms with ACPI or Open Firmware thermal support can use
+ this driver.
If you want this support, you should say Y here.
if THERMAL
@@ -251,6 +252,27 @@ config IMX_THERMAL
cpufreq is used as the cooling device to throttle CPUs when the
passive trip is crossed.
+config IMX_SC_THERMAL
+ tristate "Temperature sensor driver for NXP i.MX SoCs with System Controller"
+ depends on IMX_SCU
+ depends on OF
+ help
+ Support for Temperature Monitor (TEMPMON) found on NXP i.MX SoCs with
+ system controller inside, Linux kernel has to communicate with system
+ controller via MU (message unit) IPC to get temperature from thermal
+ sensor. It supports one critical trip point and one
+ passive trip point for each thermal sensor.
+
+config IMX8MM_THERMAL
+ tristate "Temperature sensor driver for Freescale i.MX8MM SoC"
+ depends on ARCH_MXC || COMPILE_TEST
+ depends on OF
+ help
+ Support for Thermal Monitoring Unit (TMU) found on Freescale i.MX8MM SoC.
+ It supports one critical trip point and one passive trip point. The
+ cpufreq is used as the cooling device to throttle CPUs when the passive
+ trip is crossed.
+
config MAX77620_THERMAL
tristate "Temperature sensor driver for Maxim MAX77620 PMIC"
depends on MFD_MAX77620
@@ -265,6 +287,7 @@ config QORIQ_THERMAL
tristate "QorIQ Thermal Monitoring Unit"
depends on THERMAL_OF
depends on HAS_IOMEM
+ select REGMAP_MMIO
help
Support for Thermal Monitoring Unit (TMU) found on QorIQ platforms.
It supports one critical trip point and one passive trip point. The
@@ -460,4 +483,11 @@ config UNIPHIER_THERMAL
Enable this to plug in UniPhier on-chip PVT thermal driver into the
thermal framework. The driver supports CPU thermal zone temperature
reporting and a couple of trip points.
+
+config SPRD_THERMAL
+ tristate "Temperature sensor on Spreadtrum SoCs"
+ depends on ARCH_SPRD || COMPILE_TEST
+ help
+ Support for the Spreadtrum thermal sensor driver in the Linux thermal
+ framework.
endif
diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile
index 9fb88e26fb10..8c8ed7b79915 100644
--- a/drivers/thermal/Makefile
+++ b/drivers/thermal/Makefile
@@ -43,6 +43,8 @@ obj-$(CONFIG_DB8500_THERMAL) += db8500_thermal.o
obj-$(CONFIG_ARMADA_THERMAL) += armada_thermal.o
obj-$(CONFIG_TANGO_THERMAL) += tango_thermal.o
obj-$(CONFIG_IMX_THERMAL) += imx_thermal.o
+obj-$(CONFIG_IMX_SC_THERMAL) += imx_sc_thermal.o
+obj-$(CONFIG_IMX8MM_THERMAL) += imx8mm_thermal.o
obj-$(CONFIG_MAX77620_THERMAL) += max77620_thermal.o
obj-$(CONFIG_QORIQ_THERMAL) += qoriq_thermal.o
obj-$(CONFIG_DA9062_THERMAL) += da9062-thermal.o
@@ -57,3 +59,4 @@ obj-$(CONFIG_GENERIC_ADC_THERMAL) += thermal-generic-adc.o
obj-$(CONFIG_ZX2967_THERMAL) += zx2967_thermal.o
obj-$(CONFIG_UNIPHIER_THERMAL) += uniphier_thermal.o
obj-$(CONFIG_AMLOGIC_THERMAL) += amlogic_thermal.o
+obj-$(CONFIG_SPRD_THERMAL) += sprd_thermal.o
diff --git a/drivers/thermal/cpufreq_cooling.c b/drivers/thermal/cpufreq_cooling.c
index 4ae8c856c88e..e297e135c031 100644
--- a/drivers/thermal/cpufreq_cooling.c
+++ b/drivers/thermal/cpufreq_cooling.c
@@ -273,7 +273,7 @@ static int cpufreq_state2power(struct thermal_cooling_device *cdev,
struct cpufreq_cooling_device *cpufreq_cdev = cdev->devdata;
/* Request state should be less than max_level */
- if (WARN_ON(state > cpufreq_cdev->max_level))
+ if (state > cpufreq_cdev->max_level)
return -EINVAL;
num_cpus = cpumask_weight(cpufreq_cdev->policy->cpus);
@@ -437,7 +437,7 @@ static int cpufreq_set_cur_state(struct thermal_cooling_device *cdev,
int ret;
/* Request state should be less than max_level */
- if (WARN_ON(state > cpufreq_cdev->max_level))
+ if (state > cpufreq_cdev->max_level)
return -EINVAL;
/* Check if the old cooling action is same as new cooling action */
@@ -456,6 +456,7 @@ static int cpufreq_set_cur_state(struct thermal_cooling_device *cdev,
capacity = frequency * max_capacity;
capacity /= cpufreq_cdev->policy->cpuinfo.max_freq;
arch_set_thermal_pressure(cpus, max_capacity - capacity);
+ ret = 0;
}
return ret;
diff --git a/drivers/thermal/imx8mm_thermal.c b/drivers/thermal/imx8mm_thermal.c
new file mode 100644
index 000000000000..0d60f8d7894f
--- /dev/null
+++ b/drivers/thermal/imx8mm_thermal.c
@@ -0,0 +1,236 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2020 NXP.
+ *
+ * Author: Anson Huang <Anson.Huang@nxp.com>
+ */
+
+#include <linux/bitfield.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/thermal.h>
+
+#include "thermal_core.h"
+
+#define TER 0x0 /* TMU enable */
+#define TPS 0x4
+#define TRITSR 0x20 /* TMU immediate temp */
+
+#define TER_EN BIT(31)
+#define TRITSR_TEMP0_VAL_MASK 0xff
+#define TRITSR_TEMP1_VAL_MASK 0xff0000
+
+#define PROBE_SEL_ALL GENMASK(31, 30)
+
+#define probe_status_offset(x) (30 + x)
+#define SIGN_BIT BIT(7)
+#define TEMP_VAL_MASK GENMASK(6, 0)
+
+#define VER1_TEMP_LOW_LIMIT 10000
+#define VER2_TEMP_LOW_LIMIT -40000
+#define VER2_TEMP_HIGH_LIMIT 125000
+
+#define TMU_VER1 0x1
+#define TMU_VER2 0x2
+
+struct thermal_soc_data {
+ u32 num_sensors;
+ u32 version;
+ int (*get_temp)(void *, int *);
+};
+
+struct tmu_sensor {
+ struct imx8mm_tmu *priv;
+ u32 hw_id;
+ struct thermal_zone_device *tzd;
+};
+
+struct imx8mm_tmu {
+ void __iomem *base;
+ struct clk *clk;
+ const struct thermal_soc_data *socdata;
+ struct tmu_sensor sensors[0];
+};
+
+static int imx8mm_tmu_get_temp(void *data, int *temp)
+{
+ struct tmu_sensor *sensor = data;
+ struct imx8mm_tmu *tmu = sensor->priv;
+ u32 val;
+
+ val = readl_relaxed(tmu->base + TRITSR) & TRITSR_TEMP0_VAL_MASK;
+ *temp = val * 1000;
+ if (*temp < VER1_TEMP_LOW_LIMIT)
+ return -EAGAIN;
+
+ return 0;
+}
+
+static int imx8mp_tmu_get_temp(void *data, int *temp)
+{
+ struct tmu_sensor *sensor = data;
+ struct imx8mm_tmu *tmu = sensor->priv;
+ unsigned long val;
+ bool ready;
+
+ val = readl_relaxed(tmu->base + TRITSR);
+ ready = test_bit(probe_status_offset(sensor->hw_id), &val);
+ if (!ready)
+ return -EAGAIN;
+
+ val = sensor->hw_id ? FIELD_GET(TRITSR_TEMP1_VAL_MASK, val) :
+ FIELD_GET(TRITSR_TEMP0_VAL_MASK, val);
+ if (val & SIGN_BIT) /* negative */
+ val = (~(val & TEMP_VAL_MASK) + 1);
+
+ *temp = val * 1000;
+ if (*temp < VER2_TEMP_LOW_LIMIT || *temp > VER2_TEMP_HIGH_LIMIT)
+ return -EAGAIN;
+
+ return 0;
+}
+
+static int tmu_get_temp(void *data, int *temp)
+{
+ struct tmu_sensor *sensor = data;
+ struct imx8mm_tmu *tmu = sensor->priv;
+
+ return tmu->socdata->get_temp(data, temp);
+}
+
+static struct thermal_zone_of_device_ops tmu_tz_ops = {
+ .get_temp = tmu_get_temp,
+};
+
+static void imx8mm_tmu_enable(struct imx8mm_tmu *tmu, bool enable)
+{
+ u32 val;
+
+ val = readl_relaxed(tmu->base + TER);
+ val = enable ? (val | TER_EN) : (val & ~TER_EN);
+ writel_relaxed(val, tmu->base + TER);
+}
+
+static void imx8mm_tmu_probe_sel_all(struct imx8mm_tmu *tmu)
+{
+ u32 val;
+
+ val = readl_relaxed(tmu->base + TPS);
+ val |= PROBE_SEL_ALL;
+ writel_relaxed(val, tmu->base + TPS);
+}
+
+static int imx8mm_tmu_probe(struct platform_device *pdev)
+{
+ const struct thermal_soc_data *data;
+ struct imx8mm_tmu *tmu;
+ int ret;
+ int i;
+
+ data = of_device_get_match_data(&pdev->dev);
+
+ tmu = devm_kzalloc(&pdev->dev, struct_size(tmu, sensors,
+ data->num_sensors), GFP_KERNEL);
+ if (!tmu)
+ return -ENOMEM;
+
+ tmu->socdata = data;
+
+ tmu->base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(tmu->base))
+ return PTR_ERR(tmu->base);
+
+ tmu->clk = devm_clk_get(&pdev->dev, NULL);
+ if (IS_ERR(tmu->clk)) {
+ ret = PTR_ERR(tmu->clk);
+ if (ret != -EPROBE_DEFER)
+ dev_err(&pdev->dev,
+ "failed to get tmu clock: %d\n", ret);
+ return ret;
+ }
+
+ ret = clk_prepare_enable(tmu->clk);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to enable tmu clock: %d\n", ret);
+ return ret;
+ }
+
+ /* disable the monitor during initialization */
+ imx8mm_tmu_enable(tmu, false);
+
+ for (i = 0; i < data->num_sensors; i++) {
+ tmu->sensors[i].priv = tmu;
+ tmu->sensors[i].tzd =
+ devm_thermal_zone_of_sensor_register(&pdev->dev, i,
+ &tmu->sensors[i],
+ &tmu_tz_ops);
+ if (IS_ERR(tmu->sensors[i].tzd)) {
+ dev_err(&pdev->dev,
+ "failed to register thermal zone sensor[%d]: %d\n",
+ i, ret);
+ return PTR_ERR(tmu->sensors[i].tzd);
+ }
+ tmu->sensors[i].hw_id = i;
+ }
+
+ platform_set_drvdata(pdev, tmu);
+
+ /* enable all the probes for V2 TMU */
+ if (tmu->socdata->version == TMU_VER2)
+ imx8mm_tmu_probe_sel_all(tmu);
+
+ /* enable the monitor */
+ imx8mm_tmu_enable(tmu, true);
+
+ return 0;
+}
+
+static int imx8mm_tmu_remove(struct platform_device *pdev)
+{
+ struct imx8mm_tmu *tmu = platform_get_drvdata(pdev);
+
+ /* disable TMU */
+ imx8mm_tmu_enable(tmu, false);
+
+ clk_disable_unprepare(tmu->clk);
+ platform_set_drvdata(pdev, NULL);
+
+ return 0;
+}
+
+static struct thermal_soc_data imx8mm_tmu_data = {
+ .num_sensors = 1,
+ .version = TMU_VER1,
+ .get_temp = imx8mm_tmu_get_temp,
+};
+
+static struct thermal_soc_data imx8mp_tmu_data = {
+ .num_sensors = 2,
+ .version = TMU_VER2,
+ .get_temp = imx8mp_tmu_get_temp,
+};
+
+static const struct of_device_id imx8mm_tmu_table[] = {
+ { .compatible = "fsl,imx8mm-tmu", .data = &imx8mm_tmu_data, },
+ { .compatible = "fsl,imx8mp-tmu", .data = &imx8mp_tmu_data, },
+ { },
+};
+
+static struct platform_driver imx8mm_tmu = {
+ .driver = {
+ .name = "i.mx8mm_thermal",
+ .of_match_table = imx8mm_tmu_table,
+ },
+ .probe = imx8mm_tmu_probe,
+ .remove = imx8mm_tmu_remove,
+};
+module_platform_driver(imx8mm_tmu);
+
+MODULE_AUTHOR("Anson Huang <Anson.Huang@nxp.com>");
+MODULE_DESCRIPTION("i.MX8MM Thermal Monitor Unit driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/thermal/imx_sc_thermal.c b/drivers/thermal/imx_sc_thermal.c
new file mode 100644
index 000000000000..a8723b1eb8b0
--- /dev/null
+++ b/drivers/thermal/imx_sc_thermal.c
@@ -0,0 +1,148 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2018-2020 NXP.
+ */
+
+#include <linux/err.h>
+#include <linux/firmware/imx/sci.h>
+#include <linux/firmware/imx/types.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/thermal.h>
+
+#include "thermal_core.h"
+
+#define IMX_SC_MISC_FUNC_GET_TEMP 13
+
+static struct imx_sc_ipc *thermal_ipc_handle;
+
+struct imx_sc_sensor {
+ struct thermal_zone_device *tzd;
+ u32 resource_id;
+};
+
+struct req_get_temp {
+ u16 resource_id;
+ u8 type;
+} __packed __aligned(4);
+
+struct resp_get_temp {
+ s16 celsius;
+ s8 tenths;
+} __packed __aligned(4);
+
+struct imx_sc_msg_misc_get_temp {
+ struct imx_sc_rpc_msg hdr;
+ union {
+ struct req_get_temp req;
+ struct resp_get_temp resp;
+ } data;
+} __packed __aligned(4);
+
+static int imx_sc_thermal_get_temp(void *data, int *temp)
+{
+ struct imx_sc_msg_misc_get_temp msg;
+ struct imx_sc_rpc_msg *hdr = &msg.hdr;
+ struct imx_sc_sensor *sensor = data;
+ int ret;
+
+ msg.data.req.resource_id = sensor->resource_id;
+ msg.data.req.type = IMX_SC_C_TEMP;
+
+ hdr->ver = IMX_SC_RPC_VERSION;
+ hdr->svc = IMX_SC_RPC_SVC_MISC;
+ hdr->func = IMX_SC_MISC_FUNC_GET_TEMP;
+ hdr->size = 2;
+
+ ret = imx_scu_call_rpc(thermal_ipc_handle, &msg, true);
+ if (ret) {
+ dev_err(&sensor->tzd->device, "read temp sensor %d failed, ret %d\n",
+ sensor->resource_id, ret);
+ return ret;
+ }
+
+ *temp = msg.data.resp.celsius * 1000 + msg.data.resp.tenths * 100;
+
+ return 0;
+}
+
+static const struct thermal_zone_of_device_ops imx_sc_thermal_ops = {
+ .get_temp = imx_sc_thermal_get_temp,
+};
+
+static int imx_sc_thermal_probe(struct platform_device *pdev)
+{
+ struct device_node *np, *child, *sensor_np;
+ struct imx_sc_sensor *sensor;
+ int ret;
+
+ ret = imx_scu_get_handle(&thermal_ipc_handle);
+ if (ret)
+ return ret;
+
+ np = of_find_node_by_name(NULL, "thermal-zones");
+ if (!np)
+ return -ENODEV;
+
+ sensor_np = of_node_get(pdev->dev.of_node);
+
+ for_each_available_child_of_node(np, child) {
+ sensor = devm_kzalloc(&pdev->dev, sizeof(*sensor), GFP_KERNEL);
+ if (!sensor) {
+ of_node_put(sensor_np);
+ return -ENOMEM;
+ }
+
+ ret = thermal_zone_of_get_sensor_id(child,
+ sensor_np,
+ &sensor->resource_id);
+ if (ret < 0) {
+ dev_err(&pdev->dev,
+ "failed to get valid sensor resource id: %d\n",
+ ret);
+ break;
+ }
+
+ sensor->tzd = devm_thermal_zone_of_sensor_register(&pdev->dev,
+ sensor->resource_id,
+ sensor,
+ &imx_sc_thermal_ops);
+ if (IS_ERR(sensor->tzd)) {
+ dev_err(&pdev->dev, "failed to register thermal zone\n");
+ ret = PTR_ERR(sensor->tzd);
+ break;
+ }
+ }
+
+ of_node_put(sensor_np);
+
+ return ret;
+}
+
+static int imx_sc_thermal_remove(struct platform_device *pdev)
+{
+ return 0;
+}
+
+static const struct of_device_id imx_sc_thermal_table[] = {
+ { .compatible = "fsl,imx-sc-thermal", },
+ {}
+};
+MODULE_DEVICE_TABLE(of, imx_sc_thermal_table);
+
+static struct platform_driver imx_sc_thermal_driver = {
+ .probe = imx_sc_thermal_probe,
+ .remove = imx_sc_thermal_remove,
+ .driver = {
+ .name = "imx-sc-thermal",
+ .of_match_table = imx_sc_thermal_table,
+ },
+};
+module_platform_driver(imx_sc_thermal_driver);
+
+MODULE_AUTHOR("Anson Huang <Anson.Huang@nxp.com>");
+MODULE_DESCRIPTION("Thermal driver for NXP i.MX SoCs with system controller");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c
index bb6754a5342c..e761c9b42217 100644
--- a/drivers/thermal/imx_thermal.c
+++ b/drivers/thermal/imx_thermal.c
@@ -3,24 +3,17 @@
// Copyright 2013 Freescale Semiconductor, Inc.
#include <linux/clk.h>
-#include <linux/cpu.h>
#include <linux/cpufreq.h>
#include <linux/cpu_cooling.h>
#include <linux/delay.h>
-#include <linux/device.h>
-#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/io.h>
-#include <linux/kernel.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_device.h>
-#include <linux/platform_device.h>
#include <linux/regmap.h>
-#include <linux/slab.h>
#include <linux/thermal.h>
-#include <linux/types.h>
#include <linux/nvmem-consumer.h>
#define REG_SET 0x4
@@ -872,14 +865,12 @@ static int imx_thermal_remove(struct platform_device *pdev)
clk_disable_unprepare(data->thermal_clk);
thermal_zone_device_unregister(data->tz);
- cpufreq_cooling_unregister(data->cdev);
- cpufreq_cpu_put(data->policy);
+ imx_thermal_unregister_legacy_cooling(data);
return 0;
}
-#ifdef CONFIG_PM_SLEEP
-static int imx_thermal_suspend(struct device *dev)
+static int __maybe_unused imx_thermal_suspend(struct device *dev)
{
struct imx_thermal_data *data = dev_get_drvdata(dev);
struct regmap *map = data->tempmon;
@@ -900,7 +891,7 @@ static int imx_thermal_suspend(struct device *dev)
return 0;
}
-static int imx_thermal_resume(struct device *dev)
+static int __maybe_unused imx_thermal_resume(struct device *dev)
{
struct imx_thermal_data *data = dev_get_drvdata(dev);
struct regmap *map = data->tempmon;
@@ -918,7 +909,6 @@ static int imx_thermal_resume(struct device *dev)
return 0;
}
-#endif
static SIMPLE_DEV_PM_OPS(imx_thermal_pm_ops,
imx_thermal_suspend, imx_thermal_resume);
diff --git a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
index 6cad15eb9cf4..ceef89c956bd 100644
--- a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
+++ b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
@@ -65,7 +65,7 @@ static ssize_t available_uuids_show(struct device *dev,
for (i = 0; i < INT3400_THERMAL_MAXIMUM_UUID; i++) {
if (priv->uuid_bitmap & (1 << i))
if (PAGE_SIZE - length > 0)
- length += snprintf(&buf[length],
+ length += scnprintf(&buf[length],
PAGE_SIZE - length,
"%s\n",
int3400_thermal_uuids[i]);
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c
index b1fd34516e28..297db1d2d960 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c
@@ -45,6 +45,9 @@
/* JasperLake thermal reporting device */
#define PCI_DEVICE_ID_PROC_JSL_THERMAL 0x4503
+/* TigerLake thermal reporting device */
+#define PCI_DEVICE_ID_PROC_TGL_THERMAL 0x9A03
+
#define DRV_NAME "proc_thermal"
struct power_config {
@@ -728,6 +731,8 @@ static const struct pci_device_id proc_thermal_pci_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_ICL_THERMAL),
.driver_data = (kernel_ulong_t)&rapl_mmio_hsw, },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_JSL_THERMAL)},
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_TGL_THERMAL),
+ .driver_data = (kernel_ulong_t)&rapl_mmio_hsw, },
{ 0, },
};
diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c
index ef0baa954ff0..874a47d6923f 100644
--- a/drivers/thermal/of-thermal.c
+++ b/drivers/thermal/of-thermal.c
@@ -449,6 +449,50 @@ thermal_zone_of_add_sensor(struct device_node *zone,
}
/**
+ * thermal_zone_of_get_sensor_id - get sensor ID from a DT thermal zone
+ * @tz_np: a valid thermal zone device node.
+ * @sensor_np: a sensor node of a valid sensor device.
+ * @id: the sensor ID returned if success.
+ *
+ * This function will get sensor ID from a given thermal zone node and
+ * the sensor node must match the temperature provider @sensor_np.
+ *
+ * Return: 0 on success, proper error code otherwise.
+ */
+
+int thermal_zone_of_get_sensor_id(struct device_node *tz_np,
+ struct device_node *sensor_np,
+ u32 *id)
+{
+ struct of_phandle_args sensor_specs;
+ int ret;
+
+ ret = of_parse_phandle_with_args(tz_np,
+ "thermal-sensors",
+ "#thermal-sensor-cells",
+ 0,
+ &sensor_specs);
+ if (ret)
+ return ret;
+
+ if (sensor_specs.np != sensor_np) {
+ of_node_put(sensor_specs.np);
+ return -ENODEV;
+ }
+
+ if (sensor_specs.args_count > 1)
+ pr_warn("%pOFn: too many cells in sensor specifier %d\n",
+ sensor_specs.np, sensor_specs.args_count);
+
+ *id = sensor_specs.args_count ? sensor_specs.args[0] : 0;
+
+ of_node_put(sensor_specs.np);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(thermal_zone_of_get_sensor_id);
+
+/**
* thermal_zone_of_sensor_register - registers a sensor to a DT thermal zone
* @dev: a valid struct device pointer of a sensor device. Must contain
* a valid .of_node, for the sensor node.
@@ -499,36 +543,22 @@ thermal_zone_of_sensor_register(struct device *dev, int sensor_id, void *data,
sensor_np = of_node_get(dev->of_node);
for_each_available_child_of_node(np, child) {
- struct of_phandle_args sensor_specs;
int ret, id;
/* For now, thermal framework supports only 1 sensor per zone */
- ret = of_parse_phandle_with_args(child, "thermal-sensors",
- "#thermal-sensor-cells",
- 0, &sensor_specs);
+ ret = thermal_zone_of_get_sensor_id(child, sensor_np, &id);
if (ret)
continue;
- if (sensor_specs.args_count >= 1) {
- id = sensor_specs.args[0];
- WARN(sensor_specs.args_count > 1,
- "%pOFn: too many cells in sensor specifier %d\n",
- sensor_specs.np, sensor_specs.args_count);
- } else {
- id = 0;
- }
-
- if (sensor_specs.np == sensor_np && id == sensor_id) {
+ if (id == sensor_id) {
tzd = thermal_zone_of_add_sensor(child, sensor_np,
data, ops);
if (!IS_ERR(tzd))
tzd->ops->set_mode(tzd, THERMAL_DEVICE_ENABLED);
- of_node_put(sensor_specs.np);
of_node_put(child);
goto exit;
}
- of_node_put(sensor_specs.np);
}
exit:
of_node_put(sensor_np);
diff --git a/drivers/thermal/qcom/tsens-8960.c b/drivers/thermal/qcom/tsens-8960.c
index fb77acb8d13b..2a28a5af209e 100644
--- a/drivers/thermal/qcom/tsens-8960.c
+++ b/drivers/thermal/qcom/tsens-8960.c
@@ -245,7 +245,7 @@ static inline int code_to_mdegC(u32 adc_code, const struct tsens_sensor *s)
return adc_code * slope + offset;
}
-static int get_temp_8960(struct tsens_sensor *s, int *temp)
+static int get_temp_8960(const struct tsens_sensor *s, int *temp)
{
int ret;
u32 code, trdy;
@@ -279,7 +279,7 @@ static const struct tsens_ops ops_8960 = {
.resume = resume_8960,
};
-const struct tsens_plat_data data_8960 = {
+struct tsens_plat_data data_8960 = {
.num_sensors = 11,
.ops = &ops_8960,
};
diff --git a/drivers/thermal/qcom/tsens-common.c b/drivers/thermal/qcom/tsens-common.c
index c8d57ee0a5bb..172545366636 100644
--- a/drivers/thermal/qcom/tsens-common.c
+++ b/drivers/thermal/qcom/tsens-common.c
@@ -23,6 +23,10 @@
* @low_thresh: lower threshold temperature value
* @low_irq_mask: mask register for lower threshold irqs
* @low_irq_clear: clear register for lower threshold irqs
+ * @crit_viol: critical threshold violated
+ * @crit_thresh: critical threshold temperature value
+ * @crit_irq_mask: mask register for critical threshold irqs
+ * @crit_irq_clear: clear register for critical threshold irqs
*
* Structure containing data about temperature threshold settings and
* irq status if they were violated.
@@ -36,6 +40,10 @@ struct tsens_irq_data {
int low_thresh;
u32 low_irq_mask;
u32 low_irq_clear;
+ u32 crit_viol;
+ u32 crit_thresh;
+ u32 crit_irq_mask;
+ u32 crit_irq_clear;
};
char *qfprom_read(struct device *dev, const char *cname)
@@ -128,7 +136,7 @@ static inline int code_to_degc(u32 adc_code, const struct tsens_sensor *s)
* Return: Temperature in milliCelsius on success, a negative errno will
* be returned in error cases
*/
-static int tsens_hw_to_mC(struct tsens_sensor *s, int field)
+static int tsens_hw_to_mC(const struct tsens_sensor *s, int field)
{
struct tsens_priv *priv = s->priv;
u32 resolution;
@@ -160,7 +168,7 @@ static int tsens_hw_to_mC(struct tsens_sensor *s, int field)
*
* Return: ADC code or temperature in deciCelsius.
*/
-static int tsens_mC_to_hw(struct tsens_sensor *s, int temp)
+static int tsens_mC_to_hw(const struct tsens_sensor *s, int temp)
{
struct tsens_priv *priv = s->priv;
@@ -189,6 +197,9 @@ static void tsens_set_interrupt_v1(struct tsens_priv *priv, u32 hw_id,
case LOWER:
index = LOW_INT_CLEAR_0 + hw_id;
break;
+ case CRITICAL:
+ /* No critical interrupts before v2 */
+ return;
}
regmap_field_write(priv->rf[index], enable ? 0 : 1);
}
@@ -214,6 +225,10 @@ static void tsens_set_interrupt_v2(struct tsens_priv *priv, u32 hw_id,
index_mask = LOW_INT_MASK_0 + hw_id;
index_clear = LOW_INT_CLEAR_0 + hw_id;
break;
+ case CRITICAL:
+ index_mask = CRIT_INT_MASK_0 + hw_id;
+ index_clear = CRIT_INT_CLEAR_0 + hw_id;
+ break;
}
if (enable) {
@@ -268,14 +283,23 @@ static int tsens_threshold_violated(struct tsens_priv *priv, u32 hw_id,
ret = regmap_field_read(priv->rf[LOWER_STATUS_0 + hw_id], &d->low_viol);
if (ret)
return ret;
- if (d->up_viol || d->low_viol)
+
+ if (priv->feat->crit_int) {
+ ret = regmap_field_read(priv->rf[CRITICAL_STATUS_0 + hw_id],
+ &d->crit_viol);
+ if (ret)
+ return ret;
+ }
+
+ if (d->up_viol || d->low_viol || d->crit_viol)
return 1;
return 0;
}
static int tsens_read_irq_state(struct tsens_priv *priv, u32 hw_id,
- struct tsens_sensor *s, struct tsens_irq_data *d)
+ const struct tsens_sensor *s,
+ struct tsens_irq_data *d)
{
int ret;
@@ -292,22 +316,37 @@ static int tsens_read_irq_state(struct tsens_priv *priv, u32 hw_id,
ret = regmap_field_read(priv->rf[LOW_INT_MASK_0 + hw_id], &d->low_irq_mask);
if (ret)
return ret;
+ ret = regmap_field_read(priv->rf[CRIT_INT_CLEAR_0 + hw_id],
+ &d->crit_irq_clear);
+ if (ret)
+ return ret;