[PATCH] arm64: dts: qcom: Add PMIC thermal support for Agatti QRB2210-RB1 platform

[Raj Aryan]

Add ADC channels for msm, quiet and xo thermistors along with
their ADC thermal bridge nodes and thermal zones for PMIC
thermal mitigation.

Signed-off-by: Raj Aryan <raj.aryan@xxxxxxxxxxxxxxxx>
---
 arch/arm64/boot/dts/qcom/qrb2210-rb1.dts | 91 ++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
index bf6fb12ad990..c4038c1f1e88 100644
--- a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
+++ b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
@@ -7,6 +7,7 @@
 
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/leds/common.h>
+#include <dt-bindings/iio/qcom,spmi-vadc.h>
 #include "agatti.dtsi"
 #include "pm4125.dtsi"
 
@@ -33,6 +34,68 @@ clk40m: can-clk {
 		};
 	};
 
+	msm_therm_bridge: msm-therm-bridge {
+		compatible = "generic-adc-thermal";
+		io-channels = <&pm4125_adc ADC5_AMUX_THM3_100K_PU>;
+		io-channel-names = "sensor-channel";
+		#thermal-sensor-cells = <0>;
+	};
+
+	quiet_therm_bridge: quiet-therm-bridge {
+		compatible = "generic-adc-thermal";
+		io-channels = <&pm4125_adc ADC5_AMUX_THM2_100K_PU>;
+		io-channel-names = "sensor-channel";
+		#thermal-sensor-cells = <0>;
+	};
+
+	xo_therm_bridge: xo-therm-bridge {
+		compatible = "generic-adc-thermal";
+		io-channels = <&pm4125_adc ADC5_XO_THERM_100K_PU>;
+		io-channel-names = "sensor-channel";
+		#thermal-sensor-cells = <0>;
+	};
+
+	thermal-zones {
+		sys-1-thermal {
+			polling-delay-passive = <2000>;
+			thermal-sensors = <&msm_therm_bridge>;
+
+			trips {
+				active-config0 {
+					temperature = <80000>;
+					hysteresis = <2000>;
+					type = "hot";
+				};
+			};
+		};
+
+		sys-2-thermal {
+			polling-delay-passive = <2000>;
+			thermal-sensors = <&quiet_therm_bridge>;
+
+			trips {
+				active-config0 {
+					temperature = <80000>;
+					hysteresis = <2000>;
+					type = "hot";
+				};
+			};
+		};
+
+		sys-3-thermal {
+			polling-delay-passive = <2000>;
+			thermal-sensors = <&xo_therm_bridge>;
+
+			trips {
+				active-config0 {
+					temperature = <80000>;
+					hysteresis = <2000>;
+					type = "hot";
+				};
+			};
+		};
+	};
+
 	gpio-keys {
 		compatible = "gpio-keys";
 		label = "gpio-keys";
@@ -333,6 +396,34 @@ vreg_l7p: ldo7 {
 	};
 };
 
+&pm4125_adc {
+	status = "okay";
+
+	channel@4c {
+		reg = <ADC5_XO_THERM_100K_PU>;
+		label = "xo_therm";
+		qcom,ratiometric;
+		qcom,hw-settle-time = <200>;
+		qcom,pre-scaling = <1 1>;
+	};
+
+	channel@4e {
+		reg = <ADC5_AMUX_THM2_100K_PU>;
+		label = "quiet_therm";
+		qcom,ratiometric;
+		qcom,hw-settle-time = <200>;
+		qcom,pre-scaling = <1 1>;
+	};
+
+	channel@4f {
+		reg = <ADC5_AMUX_THM3_100K_PU>;
+		label = "msm_therm";
+		qcom,ratiometric;
+		qcom,hw-settle-time = <200>;
+		qcom,pre-scaling = <1 1>;
+	};
+};
+
 &i2c2_gpio {
 	clock-frequency = <400000>;
 	status = "okay";

---
base-commit: 3d08ff75a47a3e7e2ab45a3bcab6723b4d906422
change-id: 20260812-pm4125-adc-thermal-4c0f713737fa
prerequisite-message-id: 20260809-shikra_adc_support-v5-0-bf6882d18bad@xxxxxxxxxxxxxxxx
prerequisite-patch-id: 7c371f4d9b9af04a9765b0b5b084c498e8979fb6
prerequisite-patch-id: dde0d9ae1d46c16407cfcfa818dd427904748af8
prerequisite-patch-id: 391360a3fcb2c44648ec62930e3af61d4eb12001
prerequisite-patch-id: a1c862130f572ca027bc9c482dede8da183e51b1

Best regards,
-- 
Raj Aryan <raj.aryan@xxxxxxxxxxxxxxxx>