linux-kernel - [PATCH] ARM: dts: qcom: msm8960: add tsens

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Message-Id: <20250225-expressatt-tsens-v1-1-024bee5f2047@gmail.com>
Date: Tue, 25 Feb 2025 01:19:44 -0800
From: Rudraksha Gupta <guptarud@...il.com>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, wctrl <wctrl@...ton.me>, 
 Rudraksha Gupta <guptarud@...il.com>
Subject: [PATCH] ARM: dts: qcom: msm8960: add tsens

Copy tsens node from ap8064 and adjust some values

Co-developed-by: wctrl <wctrl@...ton.me>
Signed-off-by: wctrl <wctrl@...ton.me>
Signed-off-by: Rudraksha Gupta <guptarud@...il.com>
---
 arch/arm/boot/dts/qcom/qcom-msm8960.dtsi | 62 +++++++++++++++++++++++++++++++-
 1 file changed, 61 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/qcom/qcom-msm8960.dtsi b/arch/arm/boot/dts/qcom/qcom-msm8960.dtsi
index 865fe7cc39511d7cb9ec5c4b12100404f77e2989..167953605447bfaa0d33b0e41b581220f86c72e6 100644
--- a/arch/arm/boot/dts/qcom/qcom-msm8960.dtsi
+++ b/arch/arm/boot/dts/qcom/qcom-msm8960.dtsi
@@ -52,6 +52,40 @@ memory@...00000 {
 		reg = <0x80000000 0>;
 	};
 
+	thermal-zones {
+		cpu0-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <1000>;
+
+			thermal-sensors = <&tsens 0>;
+			coefficients = <1199 0>;
+
+			trips {
+				cpu_alert0: trip0 {
+					temperature = <60000>;
+					hysteresis = <10000>;
+					type = "passive";
+				};
+			};
+		};
+
+		cpu1-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <1000>;
+
+			thermal-sensors = <&tsens 1>;
+			coefficients = <1132 0>;
+
+			trips {
+				cpu_alert1: trip0 {
+					temperature = <60000>;
+					hysteresis = <10000>;
+					type = "passive";
+				};
+			};
+		};
+	};
+
 	cpu-pmu {
 		compatible = "qcom,krait-pmu";
 		interrupts = <GIC_PPI 10 0x304>;
@@ -115,6 +149,20 @@ timer@...a000 {
 			cpu-offset = <0x80000>;
 		};
 
+		qfprom: efuse@...000 {
+			compatible = "qcom,qfprom";
+			reg = <0x00700000 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			tsens_calib: calib@404 {
+				reg = <0x404 0x10>;
+			};
+			tsens_backup: backup-calib@414 {
+				reg = <0x414 0x10>;
+			};
+		};
+
 		msmgpio: pinctrl@...000 {
 			compatible = "qcom,msm8960-pinctrl";
 			gpio-controller;
@@ -127,7 +175,7 @@ msmgpio: pinctrl@...000 {
 		};
 
 		gcc: clock-controller@...000 {
-			compatible = "qcom,gcc-msm8960";
+			compatible = "qcom,gcc-msm8960", "syscon";
 			#clock-cells = <1>;
 			#reset-cells = <1>;
 			reg = <0x900000 0x4000>;
@@ -135,6 +183,18 @@ gcc: clock-controller@...000 {
 				 <&pxo_board>,
 				 <&lcc PLL4>;
 			clock-names = "cxo", "pxo", "pll4";
+
+			tsens: thermal-sensor {
+				compatible = "qcom,msm8960-tsens";
+
+				nvmem-cells = <&tsens_calib>, <&tsens_backup>;
+				nvmem-cell-names = "calib", "calib_backup";
+				interrupts = <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>;
+				interrupt-names = "uplow";
+
+				#qcom,sensors = <5>;
+				#thermal-sensor-cells = <1>;
+			};
 		};
 
 		lcc: clock-controller@...00000 {

---
base-commit: ffd294d346d185b70e28b1a28abe367bbfe53c04
change-id: 20250225-expressatt-tsens-06d46587a584

Best regards,
-- 
Rudraksha Gupta <guptarud@...il.com>