[PATCH 2/2] arm64: dts: qcom: sc8280xp-pmics: Define adc for temp-alarms

From: Bjorn Andersson via B4 Relay
Date: Sat Feb 10 2024 - 23:37:54 EST


From: Bjorn Andersson <quic_bjorande@xxxxxxxxxxx>

sc8280xp-pmics define the two thermal zones "pm8280-1-thermal" and
"pm8280-2-thermal", but the related temp-alarm instances are not tied to
any adc channels, and as such continuously report the bogus temperature
of 37C.

After previously defining these adc channels across all boards using
sc8280xp-pmics.dtsi, we can now add these references.

This does however mean that we have a non-disabled node referencing
default-disabled nodes, requiring each board to enable the pmk8280_vadc.
Avoid this by marking pmk8280_vadc okay.

Signed-off-by: Bjorn Andersson <quic_bjorande@xxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sc8280xp-crd.dts | 4 ----
arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 2 --
arch/arm64/boot/dts/qcom/sc8280xp-pmics.dtsi | 5 ++++-
3 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
index 22f10813aa3c..ffc4406422ae 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
@@ -604,10 +604,6 @@ rtc_offset: rtc-offset@bc {
};
};

-&pmk8280_vadc {
- status = "okay";
-};
-
&qup0 {
status = "okay";
};
diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
index ce2564a6c26e..ad42966c94e5 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
@@ -851,8 +851,6 @@ rtc_offset: rtc-offset@bc {
};

&pmk8280_vadc {
- status = "okay";
-
channel@144 {
reg = <PM8350_ADC7_AMUX_THM1_100K_PU(1)>;
qcom,hw-settle-time = <200>;
diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-pmics.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp-pmics.dtsi
index 58fea376f0e2..945de77911de 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-pmics.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-pmics.dtsi
@@ -87,7 +87,6 @@ pmk8280_vadc: adc@3100 {
#address-cells = <1>;
#size-cells = <0>;
#io-channel-cells = <1>;
- status = "disabled";

channel@3 {
reg = <PMK8350_ADC7_DIE_TEMP>;
@@ -160,6 +159,8 @@ pm8280_1_temp_alarm: temp-alarm@a00 {
compatible = "qcom,spmi-temp-alarm";
reg = <0xa00>;
interrupts-extended = <&spmi_bus 0x1 0xa 0x0 IRQ_TYPE_EDGE_BOTH>;
+ io-channels = <&pmk8280_vadc PM8350_ADC7_DIE_TEMP(1)>;
+ io-channel-names = "thermal";
#thermal-sensor-cells = <0>;
};

@@ -212,6 +213,8 @@ pm8280_2_temp_alarm: temp-alarm@a00 {
compatible = "qcom,spmi-temp-alarm";
reg = <0xa00>;
interrupts-extended = <&spmi_bus 0x2 0xa 0x0 IRQ_TYPE_EDGE_BOTH>;
+ io-channels = <&pmk8280_vadc PM8350_ADC7_DIE_TEMP(3)>;
+ io-channel-names = "thermal";
#thermal-sensor-cells = <0>;
};


--
2.43.0