linux-kernel - [PATCH 2/4] arm64: dts: qcom: qcm6490-fairphone-fp5: Add PM7250B thermals

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Message-Id: <20231013-fp5-thermals-v1-2-f14df01922e6@fairphone.com>
Date:   Fri, 13 Oct 2023 10:09:54 +0200
From:   Luca Weiss <luca.weiss@...rphone.com>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        Luca Weiss <luca.weiss@...rphone.com>
Subject: [PATCH 2/4] arm64: dts: qcom: qcm6490-fairphone-fp5: Add PM7250B
 thermals

Configure the thermals for the CHARGER_SKIN_THERM and USB_CONN_THERM
thermistors connected to PM7250B.

Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
---
 arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts | 66 ++++++++++++++++++++++
 1 file changed, 66 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts b/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
index 2de0b8c26c35..7fe19b556e6a 100644
--- a/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
+++ b/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
@@ -134,6 +134,36 @@ afvdd_2p8: regulator-afvdd-2p8 {
 		enable-active-high;
 		vin-supply = <&vreg_bob>;
 	};
+
+	thermal-zones {
+		chg-skin-thermal {
+			polling-delay-passive = <0>;
+			polling-delay = <0>;
+			thermal-sensors = <&pm7250b_adc_tm 0>;
+
+			trips {
+				active-config0 {
+					temperature = <125000>;
+					hysteresis = <1000>;
+					type = "passive";
+				};
+			};
+		};
+
+		conn-thermal {
+			polling-delay-passive = <0>;
+			polling-delay = <0>;
+			thermal-sensors = <&pm7250b_adc_tm 1>;
+
+			trips {
+				active-config0 {
+					temperature = <125000>;
+					hysteresis = <1000>;
+					type = "passive";
+				};
+			};
+		};
+	};
 };
 
 &apps_rsc {
@@ -425,6 +455,42 @@ &ipa {
 	status = "okay";
 };
 
+&pm7250b_adc {
+	channel@4d {
+		reg = <ADC5_AMUX_THM1_100K_PU>;
+		qcom,ratiometric;
+		qcom,hw-settle-time = <200>;
+		qcom,pre-scaling = <1 1>;
+		label = "charger_skin_therm";
+	};
+
+	channel@4f {
+		reg = <ADC5_AMUX_THM3_100K_PU>;
+		qcom,ratiometric;
+		qcom,hw-settle-time = <200>;
+		qcom,pre-scaling = <1 1>;
+		label = "conn_therm";
+	};
+};
+
+&pm7250b_adc_tm {
+	status = "okay";
+
+	charger-skin-therm@0 {
+		reg = <0>;
+		io-channels = <&pm7250b_adc ADC5_AMUX_THM1_100K_PU>;
+		qcom,ratiometric;
+		qcom,hw-settle-time-us = <200>;
+	};
+
+	conn-therm@1 {
+		reg = <1>;
+		io-channels = <&pm7250b_adc ADC5_AMUX_THM3_100K_PU>;
+		qcom,ratiometric;
+		qcom,hw-settle-time-us = <200>;
+	};
+};
+
 &pm7325_gpios {
 	volume_down_default: volume-down-default-state {
 		pins = "gpio6";

-- 
2.42.0