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Commit b831cc5f authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "ARM: dts: msm: Enable TSENS for sdm855"

parents f3dbbb93 18cb1f70

Documentation/devicetree/bindings/thermal/tsens.txt

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Qualcomm Technologies, Inc. TSENS driver



Temperature sensor (TSENS) driver supports reading temperature from sensors

across the MSM. The driver defaults to support a 12 bit ADC.



The driver uses the Thermal sysfs framework to provide thermal

clients the ability to read from supported on-die temperature sensors,

set temperature thresholds for cool/warm thresholds and receive notification

on temperature threshold events.



TSENS node



Required properties:

- compatible : should be "qcom,msm8996-tsens" for 8996 TSENS driver.

	       should be "qcom,msm8953-tsens" for 8953 TSENS driver.

	       should be "qcom,msm8998-tsens" for 8998 TSENS driver.

	       should be "qcom,msmhamster-tsens" for hamster TSENS driver.

	       should be "qcom,sdm660-tsens" for 660 TSENS driver.

	       should be "qcom,sdm630-tsens" for 630 TSENS driver.

	       should be "qcom,sdm845-tsens" for SDM845 TSENS driver.

	       should be "qcom,tsens24xx" for 2.4 TSENS controller.

	       The compatible property is used to identify the respective controller to use

	       for the corresponding SoC.

- reg : offset and length of the TSENS registers with associated property in reg-names

	as "tsens_srot_physical" for TSENS SROT physical address region. TSENS TM

	physical address region as "tsens_tm_physical".

- reg-names : resource names used for the physical address of the TSENS

	      registers. Should be "tsens_srot_physical" for physical address of the TSENS

	      SROT region and "tsens_tm_physical" for physical address of the TM region.

- interrupts : TSENS interrupt to notify Upper/Lower and Critical temperature threshold.

- interrupt-names: Should be "tsens-upper-lower" for temperature threshold.

		   Add "tsens-critical" for Critical temperature threshold notification

		   in addition to "tsens-upper-lower" for 8996 TSENS since

		   8996 supports Upper/Lower and Critical temperature threshold.



Example:



tsens@fc4a8000 {

	compatible = "qcom,msm-tsens";

	reg = <0xfc4a8000 0x10>,

		<0xfc4b8000 0x1ff>;

	reg-names = "tsens_srot_physical",

		    "tsens_tm_physical";

	interrupts = <0 184 0>;

	interrupt-names = "tsens-upper-lower";

};

arch/arm64/boot/dts/qcom/sdm855.dtsi

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@@ -1944,6 +1944,28 @@ 
				 <DCC_READ 0x0c202244 1 0>;

	};



	tsens0: tsens@c222000 {

		compatible = "qcom,tsens24xx";

		reg = <0xc222000 0x4>,

			<0xc263000 0x1ff>;

		reg-names = "tsens_srot_physical",

				"tsens_tm_physical";

		interrupts = <0 506 0>, <0 508 0>;

		interrupt-names = "tsens-upper-lower", "tsens-critical";

		#thermal-sensor-cells = <1>;

	};



	tsens1: tsens@c223000 {

		compatible = "qcom,tsens24xx";

		reg = <0xc223000 0x4>,

			<0xc265000 0x1ff>;

		reg-names = "tsens_srot_physical",

			"tsens_tm_physical";

		interrupts = <0 507 0>, <0 509 0>;

		interrupt-names = "tsens-upper-lower", "tsens-critical";

		#thermal-sensor-cells = <1>;

	};



	thermal_zones: thermal-zones {

	};

};

arch/arm64/configs/sdm855-perf_defconfig

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@@ -269,6 +269,7 @@ CONFIG_POWER_RESET_XGENE=y 
CONFIG_POWER_RESET_SYSCON=y

CONFIG_THERMAL=y

CONFIG_QCOM_SPMI_TEMP_ALARM=y

CONFIG_THERMAL_TSENS=y

CONFIG_MFD_SPMI_PMIC=y

CONFIG_REGULATOR=y

CONFIG_REGULATOR_FIXED_VOLTAGE=y

arch/arm64/configs/sdm855_defconfig

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@@ -277,6 +277,7 @@ CONFIG_POWER_RESET_XGENE=y 
CONFIG_POWER_RESET_SYSCON=y

CONFIG_THERMAL=y

CONFIG_QCOM_SPMI_TEMP_ALARM=y

CONFIG_THERMAL_TSENS=y

CONFIG_MFD_SPMI_PMIC=y

CONFIG_REGULATOR=y

CONFIG_REGULATOR_FIXED_VOLTAGE=y

drivers/thermal/Kconfig

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@@ -460,6 +460,16 @@ config GENERIC_ADC_THERMAL 
	  to this driver. This driver reports the temperature by reading ADC

	  channel and converts it to temperature based on lookup table.



config THERMAL_TSENS

	tristate "Qualcomm Technologies Inc. TSENS Temperature driver"

	depends on THERMAL

	help

	  This enables the thermal sysfs driver for the TSENS device. It shows

	  up in Sysfs as a thermal zone with multiple trip points. Also able

	  to set threshold temperature for both warm and cool and update

	  thermal userspace client when a threshold is reached. Warm/Cool

	  temperature thresholds can be set independently for each sensor.



menu "Qualcomm thermal drivers"

depends on (ARCH_QCOM && OF) || COMPILE_TEST

source "drivers/thermal/qcom/Kconfig"