1 files changed, 137 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/qcom/pm8921.dtsi b/arch/arm/boot/dts/qcom/pm8921.dtsi
new file mode 100644
index 0000000000..058962af30
--- /dev/null
+++ b/arch/arm/boot/dts/qcom/pm8921.dtsi
@@ -0,0 +1,137 @@
+// SPDX-License-Identifier: GPL-2.0
+
+&ssbi {
+	pm8921: pmic {
+		compatible = "qcom,pm8921";
+		#interrupt-cells = <2>;
+		interrupt-controller;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		pwrkey@1c {
+			compatible = "qcom,pm8921-pwrkey";
+			reg = <0x1c>;
+			interrupts-extended = <&pm8921 50 IRQ_TYPE_EDGE_RISING>,
+					      <&pm8921 51 IRQ_TYPE_EDGE_RISING>;
+			debounce = <15625>;
+			pull-up;
+		};
+
+		pm8921_mpps: mpps@50 {
+			compatible = "qcom,pm8921-mpp",
+				     "qcom,ssbi-mpp";
+			reg = <0x50>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			gpio-ranges = <&pm8921_mpps 0 0 12>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+
+		rtc@11d {
+			compatible = "qcom,pm8921-rtc";
+			reg = <0x11d>;
+			interrupts-extended = <&pm8921 39 IRQ_TYPE_EDGE_RISING>;
+			allow-set-time;
+		};
+
+		pm8921_keypad: keypad@148 {
+			compatible = "qcom,pm8921-keypad";
+			reg = <0x148>;
+			interrupts-extended = <&pm8921 74 IRQ_TYPE_EDGE_RISING>,
+					      <&pm8921 75 IRQ_TYPE_EDGE_RISING>;
+			debounce = <15>;
+			scan-delay = <32>;
+			row-hold = <91500>;
+			status = "disabled";
+		};
+
+		pm8921_gpio: gpio@150 {
+
+			compatible = "qcom,pm8921-gpio",
+				     "qcom,ssbi-gpio";
+			reg = <0x150>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+			gpio-controller;
+			gpio-ranges = <&pm8921_gpio 0 0 44>;
+			#gpio-cells = <2>;
+
+		};
+
+		pm8921_xoadc: xoadc@197 {
+			compatible = "qcom,pm8921-adc";
+			reg = <0x197>;
+			interrupts-extended = <&pm8921 78 IRQ_TYPE_EDGE_RISING>;
+			#address-cells = <2>;
+			#size-cells = <0>;
+			#io-channel-cells = <2>;
+
+			vcoin: adc-channel@0 {
+				reg = <0x00 0x00>;
+			};
+
+			vbat: adc-channel@1 {
+				reg = <0x00 0x01>;
+			};
+
+			dcin: adc-channel@2 {
+				reg = <0x00 0x02>;
+			};
+
+			vph_pwr: adc-channel@4 {
+				reg = <0x00 0x04>;
+			};
+
+			batt_therm: adc-channel@8 {
+				reg = <0x00 0x08>;
+			};
+
+			batt_id: adc-channel@9 {
+				reg = <0x00 0x09>;
+			};
+
+			usb_vbus: adc-channel@a {
+				reg = <0x00 0x0a>;
+			};
+
+			die_temp: adc-channel@b {
+				reg = <0x00 0x0b>;
+			};
+
+			ref_625mv: adc-channel@c {
+				reg = <0x00 0x0c>;
+			};
+
+			ref_1250mv: adc-channel@d {
+				reg = <0x00 0x0d>;
+			};
+
+			chg_temp: adc-channel@e {
+				reg = <0x00 0x0e>;
+			};
+
+			ref_muxoff: adc-channel@f {
+				reg = <0x00 0x0f>;
+			};
+		};
+	};
+};
+
+/ {
+	/*
+	 * 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 = <&pm8921_xoadc 0x00 0x01>, /* Battery */
+			      <&pm8921_xoadc 0x00 0x02>, /* DC in (charger) */
+			      <&pm8921_xoadc 0x00 0x04>, /* VPH the main system voltage */
+			      <&pm8921_xoadc 0x00 0x0b>, /* Die temperature */
+			      <&pm8921_xoadc 0x00 0x0c>, /* Reference voltage 1.25V */
+			      <&pm8921_xoadc 0x00 0x0d>, /* Reference voltage 0.625V */
+			      <&pm8921_xoadc 0x00 0x0e>; /* Charger temperature */
+	};
+};