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Commit 03476a5c authored by qctecmdr Service's avatar qctecmdr Service Committed by Gerrit - the friendly Code Review server
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Merge "defconfig: kona: Enable thermal drivers"

parents d6ab3e3b 5ebcfd10

Documentation/devicetree/bindings/thermal/qcom-lmh-dcvs.txt

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Limits Management Hardware - DCVS



The LMH-DCVS block is a hardware IP for every CPU cluster, to handle quick

changes in thermal limits. The hardware responds to thermal variation amongst

the CPUs in the cluster by requesting limits on the clock frequency and

voltage on the OSM hardware.



The LMH DCVS driver exports a virtual sensor that can be used to set the

thermal limits on the hardware. LMH DCVS driver can be a platform CPU Cooling

device, which registers with the CPU cooling device interface. All CPU device

nodes should reference the corresponding LMH DCVS hardware in device tree.

CPUs referencing the same LMH DCVS node will be associated with the

corresponding cooling device as related CPUs.



Properties:



- compatible:

	Usage: required

	Value type: <string>

	Definition: shall be "qcom,msm-hw-limits"

- interrupts:

	Usage: required

	Value type: <interrupt_type interrupt_number interrupt_trigger_type>

	Definition: Should specify interrupt information about the debug

			interrupt generated by the LMH DCVSh hardware. LMH

			DCVSh hardware will generate this interrupt whenever

			it makes a new cpu DCVS decision.

- qcom,affinity:

	Usage: Required

	Value type: <u32>

	Definition: Should specify the cluster affinity this hardware

			corresponds to.



- isens_vref_1p8-supply:

- isens_vref_0p8-supply:

	Usage: optional

	Value type: <phandle>

	Definition: Should specify the phandle of the vref regulator used by

			the isens hardware. This active only regulator will be

			enabled by LMH DCVSh. Isens hardware needs 1.8v and

			0.8v supply regulators.



- isens-vref-1p8-settings:

- isens-vref-0p8-settings:

	Usage: optional

	Value type: <u32 array>

	Definition: Should specify the min voltage(uV), max voltage(uV) and

			max load(uA) for the isens vref regulator. This

			property is valid only if there is valid entry for

			isens_vref_1p8-supply and isens_vref_0p8-supply.



- reg:

	Usage: Required

	Value type: <a b>

	Definition: where 'a' is the starting register address of the OSM/LLM

			and 'b' is the size of OSM/LLM address space. The

			register space in index 0 should be LLM and index 1

			should be OSM.



Example:



	lmh_dcvs0: qcom,limits-dcvs@18350800 {

		compatible = "qcom,msm-hw-limits";

		interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;

		qcom,affinity = <0>;

		isens_vref_1p8-supply = <&pm8998_l1_ao>;

		isens-vref-1p8-settings = <880000 880000 36000>;

		isens_vref_0p8-supply = <&pm8998_l12_ao>;

		isens-vref-0p8-settings = <880000 880000 36000>;

		reg =  <0x18350800 0x1000>, //LLM

			<0x18323000 0x1000>; //OSM

	};



	CPU0: cpu@0 {

		device_type = "cpu";

		compatible = "arm,armv8";

		reg = <0x0 0x0>;

		qcom,lmh-dcvs = <&lmh_dcvs0>;;

	};

arch/arm64/configs/vendor/kona-perf_defconfig

+6 −1
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@@ -303,9 +303,14 @@ CONFIG_QPNP_FG_GEN4=y 
CONFIG_THERMAL=y

CONFIG_THERMAL_WRITABLE_TRIPS=y

CONFIG_THERMAL_GOV_USER_SPACE=y

CONFIG_CPU_THERMAL=y

CONFIG_THERMAL_GOV_LOW_LIMITS=y

CONFIG_DEVFREQ_THERMAL=y

CONFIG_QCOM_SPMI_TEMP_ALARM=y

CONFIG_QTI_VIRTUAL_SENSOR=y

CONFIG_QTI_QMI_SENSOR=y

CONFIG_QTI_BCL_PMIC5=y

CONFIG_QTI_BCL_SOC_DRIVER=y

CONFIG_QTI_QMI_COOLING_DEVICE=y

CONFIG_MFD_I2C_PMIC=y

CONFIG_MFD_SPMI_PMIC=y

CONFIG_REGULATOR_FIXED_VOLTAGE=y

arch/arm64/configs/vendor/kona_defconfig

+6 −1
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@@ -311,9 +311,14 @@ CONFIG_QPNP_FG_GEN4=y 
CONFIG_THERMAL=y

CONFIG_THERMAL_WRITABLE_TRIPS=y

CONFIG_THERMAL_GOV_USER_SPACE=y

CONFIG_CPU_THERMAL=y

CONFIG_THERMAL_GOV_LOW_LIMITS=y

CONFIG_DEVFREQ_THERMAL=y

CONFIG_QCOM_SPMI_TEMP_ALARM=y

CONFIG_QTI_VIRTUAL_SENSOR=y

CONFIG_QTI_QMI_SENSOR=y

CONFIG_QTI_BCL_PMIC5=y

CONFIG_QTI_BCL_SOC_DRIVER=y

CONFIG_QTI_QMI_COOLING_DEVICE=y

CONFIG_MFD_I2C_PMIC=y

CONFIG_MFD_SPMI_PMIC=y

CONFIG_REGULATOR_FIXED_VOLTAGE=y

drivers/thermal/qcom/Kconfig

+20 −0
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@@ -61,6 +61,26 @@ config QTI_QMI_COOLING_DEVICE 
	   The QMI cooling device will interface with remote subsystem

	   using QTI QMI interface.



config QTI_THERMAL_LIMITS_DCVS

	bool "QTI LMH DCVS Driver"

	depends on THERMAL_OF

	depends on CPU_THERMAL

	help

	  This enables the driver for Limits Management Hardware - DCVS block

	  for the application processors. The h/w block that is available for

	  each cluster can be used to perform quick thermal mitigations by

	  tracking temperatures of the CPUs and taking thermal action in the

	  hardware without s/w intervention.



config QTI_AOP_REG_COOLING_DEVICE

	bool "QTI AOP Regulator cooling device"

	depends on THERMAL_OF && MSM_QMP

	help

	  This enables the AOP based Regulator cooling device. This cooling

	  device will be used by QTI chipset to place a floor voltage

	  restriction at low temperatures. The cooling device will message

	  the AOP using mail box to establish the floor voltage.



config REGULATOR_COOLING_DEVICE

	bool "Regulator voltage floor cooling device"

	depends on REGULATOR && THERMAL_OF

drivers/thermal/qcom/Makefile

+2 −0
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@@ -5,4 +5,6 @@ obj-$(CONFIG_QTI_QMI_SENSOR) += thermal_sensor_service_v01.o qmi_sensors.o 
obj-$(CONFIG_QTI_BCL_PMIC5) += bcl_pmic5.o

obj-$(CONFIG_QTI_BCL_SOC_DRIVER) += bcl_soc.o

obj-$(CONFIG_QTI_QMI_COOLING_DEVICE) += thermal_mitigation_device_service_v01.o qmi_cooling.o

obj-$(CONFIG_QTI_THERMAL_LIMITS_DCVS) += msm_lmh_dcvs.o lmh_dbg.o

obj-$(CONFIG_QTI_AOP_REG_COOLING_DEVICE) += regulator_aop_cdev.o

obj-$(CONFIG_REGULATOR_COOLING_DEVICE) += regulator_cdev.o