From: Rakesh Kota <quic_kotarake@quicinc.com>
Date: Wed, 12 Feb 2025 11:33:42 +0000 (+0530)
Subject: arm64: dts: qcom: qcs6490-rb3gen2: Add vadc and adc-tm channels
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=a9ca8e5c6379f00efbfbccd873ff66b0f0c46873;p=users%2Fjedix%2Flinux-maple.git

arm64: dts: qcom: qcs6490-rb3gen2: Add vadc and adc-tm channels

Add support for vadc and adc-tm channels which are used for
monitoring thermistors present on the platform.

- Add the necessary includes for qcom,spmi-adc7-pm7325 and
  qcom,spmi-adc7-pmk8350.
- Add thermal zones for quiet-thermal, sdm-skin-thermal, and
  xo-thermal, and define their polling delays and thermal sensors.
- Configure the pm7325_temp_alarm node to use the pmk8350_vadc
  channel for thermal monitoring.
- Configure the pmk8350_adc_tm node to enable its thermal sensors
  and define their registers and settings.
- Configure the pmk8350_vadc node to define its channels and settings

Signed-off-by: Rakesh Kota <quic_kotarake@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250212113342.873086-1-quic_kotarake@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
index 7a36c90ad4ec..fe2d14865a75 100644
--- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
+++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
@@ -9,6 +9,8 @@
 #define PM7250B_SID 8
 #define PM7250B_SID1 9
 
+#include <dt-bindings/iio/qcom,spmi-adc7-pmk8350.h>
+#include <dt-bindings/iio/qcom,spmi-adc7-pm7325.h>
 #include <dt-bindings/leds/common.h>
 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
 #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
@@ -212,6 +214,44 @@
 		};
 	};
 
+	thermal-zones {
+		sdm-skin-thermal {
+			thermal-sensors = <&pmk8350_adc_tm 3>;
+
+			trips {
+				active-config0 {
+					temperature = <125000>;
+					hysteresis = <1000>;
+					type = "passive";
+				};
+			};
+		};
+
+		quiet-thermal {
+			thermal-sensors = <&pmk8350_adc_tm 1>;
+
+			trips {
+				active-config0 {
+					temperature = <125000>;
+					hysteresis = <1000>;
+					type = "passive";
+				};
+			};
+		};
+
+		xo-thermal {
+			thermal-sensors = <&pmk8350_adc_tm 0>;
+
+			trips {
+				active-config0 {
+					temperature = <125000>;
+					hysteresis = <1000>;
+					type = "passive";
+				};
+			};
+		};
+	};
+
 	vph_pwr: vph-pwr-regulator {
 		compatible = "regulator-fixed";
 		regulator-name = "vph_pwr";
@@ -745,6 +785,36 @@
 	};
 };
 
+&pm7325_temp_alarm {
+	io-channels = <&pmk8350_vadc PM7325_ADC7_DIE_TEMP>;
+	io-channel-names = "thermal";
+};
+
+&pmk8350_adc_tm {
+	status = "okay";
+
+	xo-therm@0 {
+		reg = <0>;
+		io-channels = <&pmk8350_vadc PMK8350_ADC7_AMUX_THM1_100K_PU>;
+		qcom,ratiometric;
+		qcom,hw-settle-time-us = <200>;
+	};
+
+	quiet-therm@1 {
+		reg = <1>;
+		io-channels = <&pmk8350_vadc PM7325_ADC7_AMUX_THM1_100K_PU>;
+		qcom,ratiometric;
+		qcom,hw-settle-time-us = <200>;
+	};
+
+	sdm-skin-therm@3 {
+		reg = <3>;
+		io-channels = <&pmk8350_vadc PM7325_ADC7_AMUX_THM3_100K_PU>;
+		qcom,ratiometric;
+		qcom,hw-settle-time-us = <200>;
+	};
+};
+
 &pm8350c_pwm {
 	nvmem = <&pmk8350_sdam_21>,
 		<&pmk8350_sdam_22>;
@@ -789,6 +859,44 @@
 	status = "okay";
 };
 
+&pmk8350_vadc {
+	channel@3 {
+		reg = <PMK8350_ADC7_DIE_TEMP>;
+		label = "pmk8350_die_temp";
+		qcom,pre-scaling = <1 1>;
+	};
+
+	channel@44 {
+		reg = <PMK8350_ADC7_AMUX_THM1_100K_PU>;
+		label = "xo_therm";
+		qcom,hw-settle-time = <200>;
+		qcom,pre-scaling = <1 1>;
+		qcom,ratiometric;
+	};
+
+	channel@103 {
+		reg = <PM7325_ADC7_DIE_TEMP>;
+		label = "pm7325_die_temp";
+		qcom,pre-scaling = <1 1>;
+	};
+
+	channel@144 {
+		reg = <PM7325_ADC7_AMUX_THM1_100K_PU>;
+		qcom,ratiometric;
+		qcom,hw-settle-time = <200>;
+		qcom,pre-scaling = <1 1>;
+		label = "pm7325_quiet_therm";
+	};
+
+	channel@146 {
+		reg = <PM7325_ADC7_AMUX_THM3_100K_PU>;
+		qcom,ratiometric;
+		qcom,hw-settle-time = <200>;
+		qcom,pre-scaling = <1 1>;
+		label = "pm7325_sdm_skin_therm";
+	};
+};
+
 &pon_pwrkey {
 	status = "okay";
 };