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-rw-r--r--dts/src/arm/qcom-apq8064.dtsi63
1 files changed, 63 insertions, 0 deletions
diff --git a/dts/src/arm/qcom-apq8064.dtsi b/dts/src/arm/qcom-apq8064.dtsi
index 3ca96e3..5341a39 100644
--- a/dts/src/arm/qcom-apq8064.dtsi
+++ b/dts/src/arm/qcom-apq8064.dtsi
@@ -316,6 +316,23 @@
};
};
+
+ /*
+ * These channels from the ADC are simply hardware monitors.
+ * That is why the ADC is referred to as "HKADC" - HouseKeeping
+ * ADC.
+ */
+ iio-hwmon {
+ compatible = "iio-hwmon";
+ io-channels = <&xoadc 0x00 0x01>, /* Battery */
+ <&xoadc 0x00 0x02>, /* DC in (charger) */
+ <&xoadc 0x00 0x04>, /* VPH the main system voltage */
+ <&xoadc 0x00 0x0b>, /* Die temperature */
+ <&xoadc 0x00 0x0c>, /* Reference voltage 1.25V */
+ <&xoadc 0x00 0x0d>, /* Reference voltage 0.625V */
+ <&xoadc 0x00 0x0e>; /* Charger temperature */
+ };
+
soc: soc {
#address-cells = <1>;
#size-cells = <1>;
@@ -770,6 +787,52 @@
debounce = <15625>;
pull-up;
};
+
+ xoadc: xoadc@197 {
+ compatible = "qcom,pm8921-adc";
+ reg = <197>;
+ interrupts-extended = <&pmicintc 78 IRQ_TYPE_EDGE_RISING>;
+ #address-cells = <2>;
+ #size-cells = <0>;
+ #io-channel-cells = <2>;
+
+ vcoin: adc-channel@00 {
+ reg = <0x00 0x00>;
+ };
+ vbat: adc-channel@01 {
+ reg = <0x00 0x01>;
+ };
+ dcin: adc-channel@02 {
+ reg = <0x00 0x02>;
+ };
+ vph_pwr: adc-channel@04 {
+ reg = <0x00 0x04>;
+ };
+ batt_therm: adc-channel@08 {
+ reg = <0x00 0x08>;
+ };
+ batt_id: adc-channel@09 {
+ reg = <0x00 0x09>;
+ };
+ usb_vbus: adc-channel@0a {
+ reg = <0x00 0x0a>;
+ };
+ die_temp: adc-channel@0b {
+ reg = <0x00 0x0b>;
+ };
+ ref_625mv: adc-channel@0c {
+ reg = <0x00 0x0c>;
+ };
+ ref_1250mv: adc-channel@0d {
+ reg = <0x00 0x0d>;
+ };
+ chg_temp: adc-channel@0e {
+ reg = <0x00 0x0e>;
+ };
+ ref_muxoff: adc-channel@0f {
+ reg = <0x00 0x0f>;
+ };
+ };
};
};