Commit 73f9c18c authored by Luca Weiss's avatar Luca Weiss Committed by Bjorn Andersson
Browse files

arm64: dts: qcom: qcm6490-fairphone-fp5: Add thermistor for UFS/RAM 



Configure the ADC and thermal zone for the thermistor next to the
UFS+RAM chip which is connected to GPIO_12 of PM7250B. It is used to
measure the temperature of that area of the PCB.

Signed-off-by: default avatarLuca Weiss <luca.weiss@fairphone.com>
Link: https://lore.kernel.org/r/20241002-fp5-ufs-therm-v1-1-1d2d8c1f08b5@fairphone.com


Signed-off-by: default avatarBjorn Andersson <andersson@kernel.org>
parent 600c499f

arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts

+40 −0
Original line number Diff line number Diff line
@@ -207,6 +207,20 @@ active-config0 { 
			};

		};



		mem-thermal {

			polling-delay-passive = <0>;



			thermal-sensors = <&pm7250b_adc_tm 2>;



			trips {

				active-config0 {

					temperature = <125000>;

					hysteresis = <1000>;

					type = "passive";

				};

			};

		};



		pm8008-thermal {

			polling-delay-passive = <100>;

			thermal-sensors = <&pm8008>;
@@ -679,6 +693,9 @@ &ipa { 
};



&pm7250b_adc {

	pinctrl-0 = <&pm7250b_adc_default>;

	pinctrl-names = "default";



	channel@4d {

		reg = <ADC5_AMUX_THM1_100K_PU>;

		qcom,ratiometric;
@@ -694,6 +711,14 @@ channel@4f { 
		qcom,pre-scaling = <1 1>;

		label = "conn_therm";

	};



	channel@53 {

		reg = <ADC5_GPIO2_100K_PU>;

		qcom,ratiometric;

		qcom,hw-settle-time = <200>;

		qcom,pre-scaling = <1 1>;

		label = "mem_therm";

	};

};



&pm7250b_adc_tm {
@@ -712,6 +737,21 @@ conn-therm@1 { 
		qcom,ratiometric;

		qcom,hw-settle-time-us = <200>;

	};



	mem-therm@2 {

		reg = <2>;

		io-channels = <&pm7250b_adc ADC5_GPIO2_100K_PU>;

		qcom,ratiometric;

		qcom,hw-settle-time-us = <200>;

	};

};



&pm7250b_gpios {

	pm7250b_adc_default: adc-default-state {

		pins = "gpio12";

		function = PMIC_GPIO_FUNC_NORMAL;

		bias-high-impedance;

	};

};



&pm7325_gpios {