Merge remote-tracking branch 'tsens-thermal/integration/thermal-automerge' into integration-linux-qcomltintegration-linux-qcomlt-20180923-183426-v4.19-rc4-208-g7a7b73fd8b8b

12 files changed, 309 insertions, 100 deletions

diff --git a/Documentation/devicetree/bindings/thermal/thermal.txt b/Documentation/devicetree/bindings/thermal/thermal.txt
index eb7ee91556a5..ca14ba959e0d 100644
--- a/Documentation/devicetree/bindings/thermal/thermal.txt
+++ b/Documentation/devicetree/bindings/thermal/thermal.txt
@@ -152,7 +152,7 @@ Optional property:
   Elem size: one cell	the sensors listed in the thermal-sensors property.
   Elem type: signed	Coefficients defaults to 1, in case this property
 			is not specified. A simple linear polynomial is used:
-			Z = c0 * x0 + c1 + x1 + ... + c(n-1) * x(n-1) + cn.
+			Z = c0 * x0 + c1 * x1 + ... + c(n-1) * x(n-1) + cn.
 
 			The coefficients are ordered and they match with sensors
 			by means of sensor ID. Additional coefficients are
diff --git a/MAINTAINERS b/MAINTAINERS
index 2277ee198720..8850d665bf85 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12103,6 +12103,13 @@ L:	linux-arm-msm@vger.kernel.org
 S:	Maintained
 F:	drivers/iommu/qcom_iommu.c
 
+QUALCOMM TSENS THERMAL DRIVER
+M:	Amit Kucheria <amit.kucheria@linaro.org>
+L:	linux-pm@vger.kernel.org
+L:	linux-arm-msm@vger.kernel.org
+S:	Maintained
+F:	drivers/thermal/qcom/
+
 QUALCOMM VENUS VIDEO ACCELERATOR DRIVER
 M:	Stanimir Varbanov <stanimir.varbanov@linaro.org>
 L:	linux-media@vger.kernel.org
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
index d9019a49b292..3c4b81c29798 100644
--- a/arch/arm/boot/dts/qcom-msm8974.dtsi
+++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
@@ -427,11 +427,13 @@
 			};
 		};
 
-		tsens: thermal-sensor@fc4a8000 {
+		tsens: thermal-sensor@fc4a9000 {
 			compatible = "qcom,msm8974-tsens";
-			reg = <0xfc4a8000 0x2000>;
+			reg = <0xfc4a9000 0x1000>, /* TM */
+			      <0xfc4a8000 0x1000>; /* SROT */
 			nvmem-cells = <&tsens_calib>, <&tsens_backup>;
 			nvmem-cell-names = "calib", "calib_backup";
+			#qcom,sensors = <11>;
 			#thermal-sensor-cells = <1>;
 		};
 
diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
index fa04ac7e59bc..21f1f5304f55 100644
--- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
@@ -242,6 +242,47 @@
 			};
 		};
 
+		gpu-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <1000>;
+
+			thermal-sensors = <&tsens 2>;
+
+			trips {
+				gpu_alert: trip0 {
+					temperature = <75000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+				gpu_crit: trip1 {
+					temperature = <95000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+		};
+
+		camera-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <1000>;
+
+			thermal-sensors = <&tsens 1>;
+
+			trips {
+				cam_alert: trip0 {
+					temperature = <75000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+				cam_crit: trip1 {
+					temperature = <95000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+
+		};
+
 	};
 
 	cpu_opp_table: cpu_opp_table {
@@ -774,11 +815,13 @@
 			};
 		};
 
-		tsens: thermal-sensor@4a8000 {
+		tsens: thermal-sensor@4a9000 {
 			compatible = "qcom,msm8916-tsens";
-			reg = <0x4a8000 0x2000>;
+			reg = <0x4a9000 0x1000>, /* TM */
+			      <0x4a8000 0x1000>; /* SROT */
 			nvmem-cells = <&tsens_caldata>, <&tsens_calsel>;
 			nvmem-cell-names = "calib", "calib_sel";
+			#qcom,sensors = <5>;
 			#thermal-sensor-cells = <1>;
 		};
 
diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index aa7c03ea4725..ee1d946f1846 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -1477,4 +1477,174 @@
 			};
 		};
 	};
+
+	thermal-zones {
+		cpu0-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <1000>;
+
+			thermal-sensors = <&tsens0 1>;
+
+			trips {
+				cpu_alert0: trip0 {
+					temperature = <75000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cpu_crit0: trip1 {
+					temperature = <110000>;
+					hysteresis = <1000>;
+					type = "critical";
+				};
+			};
+		};
+
+		cpu1-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <1000>;
+
+			thermal-sensors = <&tsens0 2>;
+
+			trips {
+				cpu_alert1: trip0 {
+					temperature = <75000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cpu_crit1: trip1 {
+					temperature = <110000>;
+					hysteresis = <1000>;
+					type = "critical";
+				};
+			};
+		};
+
+		cpu2-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <1000>;
+
+			thermal-sensors = <&tsens0 3>;
+
+			trips {
+				cpu_alert2: trip0 {
+					temperature = <75000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cpu_crit2: trip1 {
+					temperature = <110000>;
+					hysteresis = <1000>;
+					type = "critical";
+				};
+			};
+		};
+
+		cpu3-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <1000>;
+
+			thermal-sensors = <&tsens0 4>;
+
+			trips {
+				cpu_alert3: trip0 {
+					temperature = <75000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cpu_crit3: trip1 {
+					temperature = <110000>;
+					hysteresis = <1000>;
+					type = "critical";
+				};
+			};
+		};
+
+		cpu4-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <1000>;
+
+			thermal-sensors = <&tsens0 7>;
+
+			trips {
+				cpu_alert4: trip0 {
+					temperature = <75000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cpu_crit4: trip1 {
+					temperature = <110000>;
+					hysteresis = <1000>;
+					type = "critical";
+				};
+			};
+		};
+
+		cpu5-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <1000>;
+
+			thermal-sensors = <&tsens0 8>;
+
+			trips {
+				cpu_alert5: trip0 {
+					temperature = <75000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cpu_crit5: trip1 {
+					temperature = <110000>;
+					hysteresis = <1000>;
+					type = "critical";
+				};
+			};
+		};
+
+		cpu6-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <1000>;
+
+			thermal-sensors = <&tsens0 9>;
+
+			trips {
+				cpu_alert6: trip0 {
+					temperature = <75000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cpu_crit6: trip1 {
+					temperature = <110000>;
+					hysteresis = <1000>;
+					type = "critical";
+				};
+			};
+		};
+
+		cpu7-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <1000>;
+
+			thermal-sensors = <&tsens0 10>;
+
+			trips {
+				cpu_alert7: trip0 {
+					temperature = <75000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cpu_crit7: trip1 {
+					temperature = <110000>;
+					hysteresis = <1000>;
+					type = "critical";
+				};
+			};
+		};
+	};
 };
diff --git a/drivers/thermal/qcom/tsens-8916.c b/drivers/thermal/qcom/tsens-8916.c
index fdf561b8b81d..c6dd620ac029 100644
--- a/drivers/thermal/qcom/tsens-8916.c
+++ b/drivers/thermal/qcom/tsens-8916.c
@@ -1,15 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2015, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
  */
 
 #include <linux/platform_device.h>
@@ -109,5 +100,6 @@ static const struct tsens_ops ops_8916 = {
 const struct tsens_data data_8916 = {
 	.num_sensors	= 5,
 	.ops		= &ops_8916,
+	.reg_offsets	= { [SROT_CTRL_OFFSET] = 0x0 },
 	.hw_ids		= (unsigned int []){0, 1, 2, 4, 5 },
 };
diff --git a/drivers/thermal/qcom/tsens-8960.c b/drivers/thermal/qcom/tsens-8960.c
index 0451277d3a8f..0f0adb302a7b 100644
--- a/drivers/thermal/qcom/tsens-8960.c
+++ b/drivers/thermal/qcom/tsens-8960.c
@@ -1,15 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2015, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
  */
 
 #include <linux/platform_device.h>
@@ -69,7 +60,7 @@ static int suspend_8960(struct tsens_device *tmdev)
 {
 	int ret;
 	unsigned int mask;
-	struct regmap *map = tmdev->map;
+	struct regmap *map = tmdev->tm_map;
 
 	ret = regmap_read(map, THRESHOLD_ADDR, &tmdev->ctx.threshold);
 	if (ret)
@@ -94,7 +85,7 @@ static int suspend_8960(struct tsens_device *tmdev)
 static int resume_8960(struct tsens_device *tmdev)
 {
 	int ret;
-	struct regmap *map = tmdev->map;
+	struct regmap *map = tmdev->tm_map;
 
 	ret = regmap_update_bits(map, CNTL_ADDR, SW_RST, SW_RST);
 	if (ret)
@@ -126,12 +117,12 @@ static int enable_8960(struct tsens_device *tmdev, int id)
 	int ret;
 	u32 reg, mask;
 
-	ret = regmap_read(tmdev->map, CNTL_ADDR, &reg);
+	ret = regmap_read(tmdev->tm_map, CNTL_ADDR, &reg);
 	if (ret)
 		return ret;
 
 	mask = BIT(id + SENSOR0_SHIFT);
-	ret = regmap_write(tmdev->map, CNTL_ADDR, reg | SW_RST);
+	ret = regmap_write(tmdev->tm_map, CNTL_ADDR, reg | SW_RST);
 	if (ret)
 		return ret;
 
@@ -140,7 +131,7 @@ static int enable_8960(struct tsens_device *tmdev, int id)
 	else
 		reg |= mask | SLP_CLK_ENA_8660 | EN;
 
-	ret = regmap_write(tmdev->map, CNTL_ADDR, reg);
+	ret = regmap_write(tmdev->tm_map, CNTL_ADDR, reg);
 	if (ret)
 		return ret;
 
@@ -157,7 +148,7 @@ static void disable_8960(struct tsens_device *tmdev)
 	mask <<= SENSOR0_SHIFT;
 	mask |= EN;
 
-	ret = regmap_read(tmdev->map, CNTL_ADDR, &reg_cntl);
+	ret = regmap_read(tmdev->tm_map, CNTL_ADDR, &reg_cntl);
 	if (ret)
 		return;
 
@@ -168,7 +159,7 @@ static void disable_8960(struct tsens_device *tmdev)
 	else
 		reg_cntl &= ~SLP_CLK_ENA_8660;
 
-	regmap_write(tmdev->map, CNTL_ADDR, reg_cntl);
+	regmap_write(tmdev->tm_map, CNTL_ADDR, reg_cntl);
 }
 
 static int init_8960(struct tsens_device *tmdev)
@@ -176,8 +167,8 @@ static int init_8960(struct tsens_device *tmdev)
 	int ret, i;
 	u32 reg_cntl;
 
-	tmdev->map = dev_get_regmap(tmdev->dev, NULL);
-	if (!tmdev->map)
+	tmdev->tm_map = dev_get_regmap(tmdev->dev, NULL);
+	if (!tmdev->tm_map)
 		return -ENODEV;
 
 	/*
@@ -193,14 +184,14 @@ static int init_8960(struct tsens_device *tmdev)
 	}
 
 	reg_cntl = SW_RST;
-	ret = regmap_update_bits(tmdev->map, CNTL_ADDR, SW_RST, reg_cntl);
+	ret = regmap_update_bits(tmdev->tm_map, CNTL_ADDR, SW_RST, reg_cntl);
 	if (ret)
 		return ret;
 
 	if (tmdev->num_sensors > 1) {
 		reg_cntl |= SLP_CLK_ENA | (MEASURE_PERIOD << 18);
 		reg_cntl &= ~SW_RST;
-		ret = regmap_update_bits(tmdev->map, CONFIG_ADDR,
+		ret = regmap_update_bits(tmdev->tm_map, CONFIG_ADDR,
 					 CONFIG_MASK, CONFIG);
 	} else {
 		reg_cntl |= SLP_CLK_ENA_8660 | (MEASURE_PERIOD << 16);
@@ -209,12 +200,12 @@ static int init_8960(struct tsens_device *tmdev)
 	}
 
 	reg_cntl |= GENMASK(tmdev->num_sensors - 1, 0) << SENSOR0_SHIFT;
-	ret = regmap_write(tmdev->map, CNTL_ADDR, reg_cntl);
+	ret = regmap_write(tmdev->tm_map, CNTL_ADDR, reg_cntl);
 	if (ret)
 		return ret;
 
 	reg_cntl |= EN;
-	ret = regmap_write(tmdev->map, CNTL_ADDR, reg_cntl);
+	ret = regmap_write(tmdev->tm_map, CNTL_ADDR, reg_cntl);
 	if (ret)
 		return ret;
 
@@ -261,12 +252,12 @@ static int get_temp_8960(struct tsens_device *tmdev, int id, int *temp)
 
 	timeout = jiffies + usecs_to_jiffies(TIMEOUT_US);
 	do {
-		ret = regmap_read(tmdev->map, INT_STATUS_ADDR, &trdy);
+		ret = regmap_read(tmdev->tm_map, INT_STATUS_ADDR, &trdy);
 		if (ret)
 			return ret;
 		if (!(trdy & TRDY_MASK))
 			continue;
-		ret = regmap_read(tmdev->map, s->status, &code);
+		ret = regmap_read(tmdev->tm_map, s->status, &code);
 		if (ret)
 			return ret;
 		*temp = code_to_mdegC(code, s);
diff --git a/drivers/thermal/qcom/tsens-8974.c b/drivers/thermal/qcom/tsens-8974.c
index 9baf77e8cbe3..3d3fda3d731b 100644
--- a/drivers/thermal/qcom/tsens-8974.c
+++ b/drivers/thermal/qcom/tsens-8974.c
@@ -1,15 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2015, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
  */
 
 #include <linux/platform_device.h>
@@ -241,4 +232,5 @@ static const struct tsens_ops ops_8974 = {
 const struct tsens_data data_8974 = {
 	.num_sensors	= 11,
 	.ops		= &ops_8974,
+	.reg_offsets	= { [SROT_CTRL_OFFSET] = 0x0 },
 };
diff --git a/drivers/thermal/qcom/tsens-common.c b/drivers/thermal/qcom/tsens-common.c
index 6207d8d92351..3be4be2e0465 100644
--- a/drivers/thermal/qcom/tsens-common.c
+++ b/drivers/thermal/qcom/tsens-common.c
@@ -1,15 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2015, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
  */
 
 #include <linux/err.h>
@@ -21,7 +12,11 @@
 #include <linux/regmap.h>
 #include "tsens.h"
 
-#define S0_ST_ADDR		0x1030
+/* SROT */
+#define TSENS_EN		BIT(0)
+
+/* TM */
+#define STATUS_OFFSET		0x30
 #define SN_ADDR_OFFSET		0x4
 #define SN_ST_TEMP_MASK		0x3ff
 #define CAL_DEGC_PT1		30
@@ -107,8 +102,8 @@ int get_temp_common(struct tsens_device *tmdev, int id, int *temp)
 	unsigned int status_reg;
 	int last_temp = 0, ret;
 
-	status_reg = S0_ST_ADDR + s->hw_id * SN_ADDR_OFFSET;
-	ret = regmap_read(tmdev->map, status_reg, &code);
+	status_reg = tmdev->tm_offset + STATUS_OFFSET + s->hw_id * SN_ADDR_OFFSET;
+	ret = regmap_read(tmdev->tm_map, status_reg, &code);
 	if (ret)
 		return ret;
 	last_temp = code & SN_ST_TEMP_MASK;
@@ -126,29 +121,52 @@ static const struct regmap_config tsens_config = {
 
 int __init init_common(struct tsens_device *tmdev)
 {
-	void __iomem *base;
+	void __iomem *tm_base, *srot_base;
 	struct resource *res;
+	u32 code;
+	int ret;
 	struct platform_device *op = of_find_device_by_node(tmdev->dev->of_node);
+	u16 ctrl_offset = tmdev->reg_offsets[SROT_CTRL_OFFSET];
 
 	if (!op)
 		return -EINVAL;
 
-	/* The driver only uses the TM register address space for now */
 	if (op->num_resources > 1) {
+		/* DT with separate SROT and TM address space */
 		tmdev->tm_offset = 0;
+		res = platform_get_resource(op, IORESOURCE_MEM, 1);
+		srot_base = devm_ioremap_resource(&op->dev, res);
+		if (IS_ERR(srot_base))
+			return PTR_ERR(srot_base);
+
+		tmdev->srot_map = devm_regmap_init_mmio(tmdev->dev,
+							srot_base, &tsens_config);
+		if (IS_ERR(tmdev->srot_map))
+			return PTR_ERR(tmdev->srot_map);
+
 	} else {
 		/* old DTs where SROT and TM were in a contiguous 2K block */
 		tmdev->tm_offset = 0x1000;
 	}
 
 	res = platform_get_resource(op, IORESOURCE_MEM, 0);
-	base = devm_ioremap_resource(&op->dev, res);
-	if (IS_ERR(base))
-		return PTR_ERR(base);
-
-	tmdev->map = devm_regmap_init_mmio(tmdev->dev, base, &tsens_config);
-	if (IS_ERR(tmdev->map))
-		return PTR_ERR(tmdev->map);
+	tm_base = devm_ioremap_resource(&op->dev, res);
+	if (IS_ERR(tm_base))
+		return PTR_ERR(tm_base);
+
+	tmdev->tm_map = devm_regmap_init_mmio(tmdev->dev, tm_base, &tsens_config);
+	if (IS_ERR(tmdev->tm_map))
+		return PTR_ERR(tmdev->tm_map);
+
+	if (tmdev->srot_map) {
+		ret = regmap_read(tmdev->srot_map, ctrl_offset, &code);
+		if (ret)
+			return ret;
+		if (!(code & TSENS_EN)) {
+			dev_err(tmdev->dev, "tsens device is not enabled\n");
+			return -ENODEV;
+		}
+	}
 
 	return 0;
 }
diff --git a/drivers/thermal/qcom/tsens-v2.c b/drivers/thermal/qcom/tsens-v2.c
index 44da02f594ac..381a212872bf 100644
--- a/drivers/thermal/qcom/tsens-v2.c
+++ b/drivers/thermal/qcom/tsens-v2.c
@@ -21,7 +21,7 @@ static int get_temp_tsens_v2(struct tsens_device *tmdev, int id, int *temp)
 	int ret;
 
 	status_reg = tmdev->tm_offset + STATUS_OFFSET + s->hw_id * 4;
-	ret = regmap_read(tmdev->map, status_reg, &code);
+	ret = regmap_read(tmdev->tm_map, status_reg, &code);
 	if (ret)
 		return ret;
 	last_temp = code & LAST_TEMP_MASK;
@@ -29,7 +29,7 @@ static int get_temp_tsens_v2(struct tsens_device *tmdev, int id, int *temp)
 		goto done;
 
 	/* Try a second time */
-	ret = regmap_read(tmdev->map, status_reg, &code);
+	ret = regmap_read(tmdev->tm_map, status_reg, &code);
 	if (ret)
 		return ret;
 	if (code & STATUS_VALID_BIT) {
@@ -40,7 +40,7 @@ static int get_temp_tsens_v2(struct tsens_device *tmdev, int id, int *temp)
 	}
 
 	/* Try a third/last time */
-	ret = regmap_read(tmdev->map, status_reg, &code);
+	ret = regmap_read(tmdev->tm_map, status_reg, &code);
 	if (ret)
 		return ret;
 	if (code & STATUS_VALID_BIT) {
@@ -68,10 +68,12 @@ static const struct tsens_ops ops_generic_v2 = {
 
 const struct tsens_data data_tsens_v2 = {
 	.ops            = &ops_generic_v2,
+	.reg_offsets	= { [SROT_CTRL_OFFSET] = 0x4 },
 };
 
 /* Kept around for backward compatibility with old msm8996.dtsi */
 const struct tsens_data data_8996 = {
 	.num_sensors	= 13,
 	.ops		= &ops_generic_v2,
+	.reg_offsets	= { [SROT_CTRL_OFFSET] = 0x4 },
 };
diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c
index a2c9bfae3d86..f1ec9bbe4717 100644
--- a/drivers/thermal/qcom/tsens.c
+++ b/drivers/thermal/qcom/tsens.c
@@ -1,15 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2015, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
  */
 
 #include <linux/err.h>
@@ -89,11 +80,6 @@ static int tsens_register(struct tsens_device *tmdev)
 {
 	int i;
 	struct thermal_zone_device *tzd;
-	u32 *hw_id, n = tmdev->num_sensors;
-
-	hw_id = devm_kcalloc(tmdev->dev, n, sizeof(u32), GFP_KERNEL);
-	if (!hw_id)
-		return -ENOMEM;
 
 	for (i = 0;  i < tmdev->num_sensors; i++) {
 		tmdev->sensor[i].tmdev = tmdev;
@@ -158,6 +144,9 @@ static int tsens_probe(struct platform_device *pdev)
 		else
 			tmdev->sensor[i].hw_id = i;
 	}
+	for (i = 0; i < REG_ARRAY_SIZE; i++) {
+		tmdev->reg_offsets[i] = data->reg_offsets[i];
+	}
 
 	if (!tmdev->ops || !tmdev->ops->init || !tmdev->ops->get_temp)
 		return -EINVAL;
diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h
index 14331eb45a86..7b7feee5dc46 100644
--- a/drivers/thermal/qcom/tsens.h
+++ b/drivers/thermal/qcom/tsens.h
@@ -1,15 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (c) 2015, The Linux Foundation. All rights reserved.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
+
 #ifndef __QCOM_TSENS_H__
 #define __QCOM_TSENS_H__
 
@@ -55,15 +48,23 @@ struct tsens_ops {
 	int (*get_trend)(struct tsens_device *, int, enum thermal_trend *);
 };
 
+enum reg_list {
+	SROT_CTRL_OFFSET,
+
+	REG_ARRAY_SIZE,
+};
+
 /**
  * struct tsens_data - tsens instance specific data
  * @num_sensors: Max number of sensors supported by platform
  * @ops: operations the tsens instance supports
  * @hw_ids: Subset of sensors ids supported by platform, if not the first n
+ * @reg_offsets: Register offsets for commonly used registers
  */
 struct tsens_data {
 	const u32		num_sensors;
 	const struct tsens_ops	*ops;
+	const u16		reg_offsets[REG_ARRAY_SIZE];
 	unsigned int		*hw_ids;
 };
 
@@ -76,8 +77,10 @@ struct tsens_context {
 struct tsens_device {
 	struct device			*dev;
 	u32				num_sensors;
-	struct regmap			*map;
+	struct regmap			*tm_map;
+	struct regmap			*srot_map;
 	u32				tm_offset;
+	u16				reg_offsets[REG_ARRAY_SIZE];
 	struct tsens_context		ctx;
 	const struct tsens_ops		*ops;
 	struct tsens_sensor		sensor[0];