linux-kernel - [PATCH v4 08/12] arm64: dts: qcom: sc8280xp-x13s: Add PMK8280 VADC channels

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Message-Id: <20221103095810.64606-9-manivannan.sadhasivam@linaro.org>
Date:   Thu,  3 Nov 2022 15:28:06 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     andersson@...nel.org
Cc:     konrad.dybcio@...ainline.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, johan+linaro@...nel.org,
        quic_jprakash@...cinc.com, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        steev@...i.org,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v4 08/12] arm64: dts: qcom: sc8280xp-x13s: Add PMK8280 VADC channels

Add VADC channels for measuring the on-chip die temperature and external
crystal osciallator temperature of PMK8280.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
---
 .../dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts   | 16 ++++++++++++++++
 1 file changed, 16 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 6aa8cf6d9776..9e1180b468d4 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-pmk8350.h>
 #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
 
 #include "sc8280xp.dtsi"
@@ -173,6 +174,21 @@ &pmk8280_pon_resin {
 	status = "okay";
 };
 
+&pmk8280_vadc {
+	status = "okay";
+
+	pmic-die-temp@3 {
+		reg = <PMK8350_ADC7_DIE_TEMP>;
+		qcom,pre-scaling = <1 1>;
+	};
+
+	xo-therm@44 {
+		reg = <PMK8350_ADC7_AMUX_THM1_100K_PU>;
+		qcom,hw-settle-time = <200>;
+		qcom,ratiometric;
+	};
+};
+
 &qup0 {
 	status = "okay";
 };
-- 
2.25.1