diff options
| author | Luca Weiss <luca.weiss@fairphone.com> | 2024-10-02 15:01:08 +0200 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2024-10-05 22:24:10 -0500 |
| commit | 73f9c18c341cdab3b5dfcad143787bdc2a003c2a (patch) | |
| tree | ed7da257a27de78ef8357de34e2ec58976cf7ecd | |
| parent | 600c499f8f5297c2c91e8146a8217f299e445ef6 (diff) | |
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: Luca Weiss <luca.weiss@fairphone.com>
Link: https://lore.kernel.org/r/20241002-fp5-ufs-therm-v1-1-1d2d8c1f08b5@fairphone.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
| -rw-r--r-- | arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts b/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts index 8ab30c01712e..fdc62f1b1c5a 100644 --- a/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts +++ b/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts @@ -207,6 +207,20 @@ }; }; + 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 @@ }; &pm7250b_adc { + pinctrl-0 = <&pm7250b_adc_default>; + pinctrl-names = "default"; + channel@4d { reg = <ADC5_AMUX_THM1_100K_PU>; qcom,ratiometric; @@ -694,6 +711,14 @@ 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 @@ 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 { |