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From: Luca Weiss <luca.weiss@fairphone.com>
Date: Fri, 05 Jan 2024 15:54:28 +0100
Subject: [PATCH 2/2] arm64: dts: qcom: sm7225-fairphone-fp4: Add PM6150L
 thermals
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Message-Id: <20240105-fp4-thermals-v1-2-f95875a536b7@fairphone.com>
References: <20240105-fp4-thermals-v1-0-f95875a536b7@fairphone.com>
In-Reply-To: <20240105-fp4-thermals-v1-0-f95875a536b7@fairphone.com>
To: Bjorn Andersson <andersson@kernel.org>, 
 Konrad Dybcio <konrad.dybcio@linaro.org>, Rob Herring <robh+dt@kernel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, 
 Conor Dooley <conor+dt@kernel.org>
Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, 
 linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, 
 linux-kernel@vger.kernel.org, Luca Weiss <luca.weiss@fairphone.com>

Configure the thermals for the PA_THERM1, MSM_THERM, PA_THERM0,
RFC_CAM_THERM, CAM_FLASH_THERM and QUIET_THERM thermistors connected to
PM6150L.

Due to hardware constraints we can only register 4 zones with
pm6150l_adc_tm, the other 2 we can register via generic-adc-thermal.

The trip points can really only be considered as placeholders, more
configuration with cooling etc. can be added later.

Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
---
 arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts | 191 ++++++++++++++++++++++
 1 file changed, 191 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts b/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts
index b7ccfe4011bb..6f435a7ed855 100644
--- a/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts
+++ b/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts
@@ -84,6 +84,20 @@ memory@efe01000 {
 		};
 	};
 
+	msm_therm_sensor: thermal-sensor-msm {
+		compatible = "generic-adc-thermal";
+		#thermal-sensor-cells = <0>;
+		io-channels = <&pm6150l_adc ADC5_AMUX_THM2_100K_PU>;
+		io-channel-names = "sensor-channel";
+	};
+
+	rear_cam_sensor: thermal-sensor-rear-cam {
+		compatible = "generic-adc-thermal";
+		#thermal-sensor-cells = <0>;
+		io-channels = <&pm6150l_adc ADC5_GPIO2_100K_PU>;
+		io-channel-names = "sensor-channel";
+	};
+
 	thermal-zones {
 		chg-skin-thermal {
 			polling-delay-passive = <0>;
@@ -113,6 +127,90 @@ active-config0 {
 			};
 		};
 
+		pa0-thermal {
+			polling-delay-passive = <0>;
+			polling-delay = <0>;
+			thermal-sensors = <&pm6150l_adc_tm 1>;
+
+			trips {
+				active-config0 {
+					temperature = <125000>;
+					hysteresis = <1000>;
+					type = "passive";
+				};
+			};
+		};
+
+		pa1-thermal {
+			polling-delay-passive = <0>;
+			polling-delay = <0>;
+			thermal-sensors = <&pm6150l_adc_tm 0>;
+
+			trips {
+				active-config0 {
+					temperature = <125000>;
+					hysteresis = <1000>;
+					type = "passive";
+				};
+			};
+		};
+
+		quiet-thermal {
+			polling-delay-passive = <0>;
+			polling-delay = <0>;
+			thermal-sensors = <&pm6150l_adc_tm 3>;
+
+			trips {
+				active-config0 {
+					temperature = <125000>;
+					hysteresis = <1000>;
+					type = "passive";
+				};
+			};
+		};
+
+		rear-cam-thermal {
+			polling-delay-passive = <1000>;
+			polling-delay = <5000>;
+			thermal-sensors = <&rear_cam_sensor>;
+
+			trips {
+				active-config0 {
+					temperature = <125000>;
+					hysteresis = <1000>;
+					type = "passive";
+				};
+			};
+		};
+
+		rfc-flash-thermal {
+			polling-delay-passive = <0>;
+			polling-delay = <0>;
+			thermal-sensors = <&pm6150l_adc_tm 2>;
+
+			trips {
+				active-config0 {
+					temperature = <125000>;
+					hysteresis = <1000>;
+					type = "passive";
+				};
+			};
+		};
+
+		sdm-skin-thermal {
+			polling-delay-passive = <1000>;
+			polling-delay = <5000>;
+			thermal-sensors = <&msm_therm_sensor>;
+
+			trips {
+				active-config0 {
+					temperature = <125000>;
+					hysteresis = <1000>;
+					type = "passive";
+				};
+			};
+		};
+
 		xo-thermal {
 			polling-delay-passive = <0>;
 			polling-delay = <0>;
@@ -423,6 +521,91 @@ &mpss {
 	status = "okay";
 };
 
+&pm6150l_adc {
+	pinctrl-0 = <&pm6150l_adc_default>;
+	pinctrl-names = "default";
+
+	channel@4d {
+		reg = <ADC5_AMUX_THM1_100K_PU>;
+		qcom,ratiometric;
+		qcom,hw-settle-time = <200>;
+		qcom,pre-scaling = <1 1>;
+		label = "pa_therm1";
+	};
+
+	channel@4e {
+		reg = <ADC5_AMUX_THM2_100K_PU>;
+		qcom,ratiometric;
+		qcom,hw-settle-time = <200>;
+		qcom,pre-scaling = <1 1>;
+		label = "msm_therm";
+	};
+
+	channel@4f {
+		reg = <ADC5_AMUX_THM3_100K_PU>;
+		qcom,ratiometric;
+		qcom,hw-settle-time = <200>;
+		qcom,pre-scaling = <1 1>;
+		label = "pa_therm0";
+	};
+
+	channel@53 {
+		reg = <ADC5_GPIO2_100K_PU>;
+		qcom,ratiometric;
+		qcom,hw-settle-time = <200>;
+		qcom,pre-scaling = <1 1>;
+		label = "rear_cam_therm";
+	};
+
+	channel@54 {
+		reg = <ADC5_GPIO3_100K_PU>;
+		qcom,ratiometric;
+		qcom,hw-settle-time = <200>;
+		qcom,pre-scaling = <1 1>;
+		label = "rear_cam_flash_therm";
+	};
+
+	channel@55 {
+		reg = <ADC5_GPIO4_100K_PU>;
+		qcom,ratiometric;
+		qcom,hw-settle-time = <200>;
+		qcom,pre-scaling = <1 1>;
+		label = "quiet_therm";
+	};
+};
+
+&pm6150l_adc_tm {
+	status = "okay";
+
+	pa-therm1@0 {
+		reg = <0>;
+		io-channels = <&pm6150l_adc ADC5_AMUX_THM1_100K_PU>;
+		qcom,ratiometric;
+		qcom,hw-settle-time-us = <200>;
+	};
+
+	pa-therm0@1 {
+		reg = <1>;
+		io-channels = <&pm6150l_adc ADC5_AMUX_THM3_100K_PU>;
+		qcom,ratiometric;
+		qcom,hw-settle-time-us = <200>;
+	};
+
+	rear-cam-flash-therm@2 {
+		reg = <2>;
+		io-channels = <&pm6150l_adc ADC5_GPIO3_100K_PU>;
+		qcom,ratiometric;
+		qcom,hw-settle-time-us = <200>;
+	};
+
+	quiet-therm@3 {
+		reg = <3>;
+		io-channels = <&pm6150l_adc ADC5_GPIO4_100K_PU>;
+		qcom,ratiometric;
+		qcom,hw-settle-time-us = <200>;
+	};
+};
+
 &pm6150l_flash {
 	status = "okay";
 
@@ -445,6 +628,14 @@ led-1 {
 	};
 };
 
+&pm6150l_gpios {
+	pm6150l_adc_default: adc-default-state {
+		pins = "gpio6", "gpio7", "gpio10";
+		function = PMIC_GPIO_FUNC_NORMAL;
+		bias-high-impedance;
+	};
+};
+
 &pm6150l_wled {
 	qcom,switching-freq = <800>;
 	qcom,current-limit-microamp = <20000>;

-- 
2.43.0