Add VADC channels of PM8280_{1/2} PMICs for measuring the on-chip die
temperature and external thermistors connected to the AMUX pins.
The measurements are collected by the primary PMIC PMK8280 from the
slave PMICs PM8280_{1/2} and exposed them over the PMK8280's VADC
channels.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
---
.../qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 61 +++++++++++++++++++
1 file changed, 61 insertions(+)
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 9ac5d5c22832..d300d217fdc6 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
@@ -7,6 +7,7 @@
/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/iio/qcom,spmi-adc7-pm8350.h>
#include <dt-bindings/iio/qcom,spmi-adc7-pmk8350.h>
#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
@@ -189,6 +190,66 @@ pmk8280-xo-therm@44 {
qcom,ratiometric;
qcom,hw-settle-time = <200>;
};
+
+ pm8280-1-die-temp@103 {
+ reg = <PM8350_ADC7_DIE_TEMP(1)>;
+ label = "pm8280_1_die_temp";
+ qcom,pre-scaling = <1 1>;
+ };
+
+ sys-therm1@144 {
+ reg = <PM8350_ADC7_AMUX_THM1_100K_PU(1)>;
+ qcom,ratiometric;
+ qcom,hw-settle-time = <200>;
+ };
+
+ sys-therm2@145 {
+ reg = <PM8350_ADC7_AMUX_THM2_100K_PU(1)>;
+ qcom,ratiometric;
+ qcom,hw-settle-time = <200>;
+ };
+
+ sys-therm3@146 {
+ reg = <PM8350_ADC7_AMUX_THM3_100K_PU(1)>;
+ qcom,ratiometric;
+ qcom,hw-settle-time = <200>;
+ };
+
+ sys-therm4@147 {
+ reg = <PM8350_ADC7_AMUX_THM4_100K_PU(1)>;
+ qcom,ratiometric;
+ qcom,hw-settle-time = <200>;
+ };
+
+ pm8280-2-die-temp@303 {
+ reg = <PM8350_ADC7_DIE_TEMP(3)>;
+ label = "pm8250_2_die_temp";
+ qcom,pre-scaling = <1 1>;
+ };
+
+ sys-therm5@344 {
+ reg = <PM8350_ADC7_AMUX_THM1_100K_PU(3)>;
+ qcom,ratiometric;
+ qcom,hw-settle-time = <200>;
+ };
+
+ sys-therm6@345 {
+ reg = <PM8350_ADC7_AMUX_THM2_100K_PU(3)>;
+ qcom,ratiometric;
+ qcom,hw-settle-time = <200>;
+ };
+
+ sys-therm7@346 {
+ reg = <PM8350_ADC7_AMUX_THM3_100K_PU(3)>;
+ qcom,ratiometric;
+ qcom,hw-settle-time = <200>;
+ };
+
+ sys-therm8@347 {
+ reg = <PM8350_ADC7_AMUX_THM4_100K_PU(3)>;
+ qcom,ratiometric;
+ qcom,hw-settle-time = <200>;
+ };
};
&qup0 {
--
2.25.1
