[PATCH 3/3] arm64: dts: qcom: sc7180: Delete charger thermal zone and ADC channel for lazor <= rev3
From: Matthias Kaehlcke <mka@chromium.org>
Date: 2021-02-20 02:12:52
Also in:
linux-arm-msm, lkml
Subsystem:
arm/qualcomm chromebook support, arm/qualcomm mailing list, arm/qualcomm support, the rest · Maintainers:
Bjorn Andersson, Konrad Dybcio, Linus Torvalds
Lazor rev3 and older are stuffed with a 47k NTC as thermistor for the charger temperature which currently isn't supported by the PM6150 ADC driver. Delete the charger thermal zone and ADC channel to avoid the use of bogus temperature values. Signed-off-by: Matthias Kaehlcke <mka@chromium.org> --- arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r0.dts | 9 +++++++++ arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r1.dts | 9 +++++++++ arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r3.dts | 9 +++++++++ 3 files changed, 27 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r0.dts b/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r0.dts
index 30e3e769d2b4..0974dbd424e1 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r0.dts
+++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r0.dts@@ -14,6 +14,15 @@ / { compatible = "google,lazor-rev0", "qcom,sc7180"; }; +/* + * rev <= 3 are stuffed with a 47k NTC as charger thermistor which is currently + * not supported by the PM6150 ADC driver. Delete the thermal zone and ADC + * channel to avoid the use of bogus temperature values. + */ +/delete-node/ &charger_thermal; +/delete-node/ &pm6150_adc_charger_thm; +/delete-node/ &pm6150_adc_tm_charger_thm; + &pp3300_hub { /* pp3300_l7c is used to power the USB hub */ /delete-property/regulator-always-on;
diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r1.dts b/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r1.dts
index c2ef06367baf..0381ca85ae97 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r1.dts
+++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r1.dts@@ -14,6 +14,15 @@ / { compatible = "google,lazor-rev1", "google,lazor-rev2", "qcom,sc7180"; }; +/* + * rev <= 3 are stuffed with a 47k NTC as charger thermistor which is currently + * not supported by the PM6150 ADC driver. Delete the thermal zone and ADC + * channel to avoid the use of bogus temperature values. + */ +/delete-node/ &charger_thermal; +/delete-node/ &pm6150_adc_charger_thm; +/delete-node/ &pm6150_adc_tm_charger_thm; + &pp3300_hub { /* pp3300_l7c is used to power the USB hub */ /delete-property/regulator-always-on;
diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r3.dts b/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r3.dts
index 240c3e067fac..b9473bba8f4a 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r3.dts
+++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r3.dts@@ -13,3 +13,12 @@ / { model = "Google Lazor (rev3)"; compatible = "google,lazor-rev3", "qcom,sc7180"; }; + +/* + * rev <= 3 are stuffed with a 47k NTC as charger thermistor which is currently + * not supported by the PM6150 ADC driver. Delete the thermal zone and ADC + * channel to avoid the use of bogus temperature values. + */ +/delete-node/ &charger_thermal; +/delete-node/ &pm6150_adc_charger_thm; +/delete-node/ &pm6150_adc_tm_charger_thm;
--
2.30.0.617.g56c4b15f3c-goog