Commit 041b9a7b authored by Amit Kucheria's avatar Amit Kucheria Committed by Andy Gross
Browse files

arm64: dts: pms405: Export PMIC temperature to thermal framework



The PMS405 PMIC has an ADC that exposes the on-die temperature that we
wire up to spmi-temp-alarm thermal driver. This allows the PMIC
temperature to be exposed to Linux through the thermal framework.

Signed-off-by: default avatarAmit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: default avatarAndy Gross <andy.gross@linaro.org>
parent 4bbbca1e
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+79 −0
Original line number Diff line number Diff line
@@ -3,6 +3,32 @@

#include <dt-bindings/spmi/spmi.h>
#include <dt-bindings/input/linux-event-codes.h>
#include <dt-bindings/iio/qcom,spmi-vadc.h>
#include <dt-bindings/thermal/thermal.h>

/ {
	thermal-zones {
		pms405 {
			polling-delay-passive = <250>;
			polling-delay = <1000>;

			thermal-sensors = <&pms405_temp>;

			trips {
				pms405_alert0: pms405-alert0 {
					temperature = <105000>;
					hysteresis = <2000>;
					type = "passive";
				};
				pms405_crit: pms405-crit {
					temperature = <125000>;
					hysteresis = <2000>;
					type = "critical";
				};
			};
		};
	};
};

&spmi_bus {
	pms405_0: pms405@0 {
@@ -45,6 +71,59 @@
			};
		};

		pms405_temp: temp-alarm@2400 {
			compatible = "qcom,spmi-temp-alarm";
			reg = <0x2400>;
			interrupts = <0 0x24 0 IRQ_TYPE_EDGE_RISING>;
			io-channels = <&pms405_adc ADC5_DIE_TEMP>;
			io-channel-names = "thermal";
			#thermal-sensor-cells = <0>;
		};

		pms405_adc: adc@3100 {
			compatible = "qcom,pms405-adc", "qcom,spmi-adc-rev2";
			reg = <0x3100>;
			interrupts = <0x0 0x31 0x0 IRQ_TYPE_EDGE_RISING>;
			#address-cells = <1>;
			#size-cells = <0>;
			#io-channel-cells = <1>;

			ref_gnd {
				reg = <ADC5_REF_GND>;
				qcom,pre-scaling = <1 1>;
			};

			vref_1p25 {
				reg = <ADC5_1P25VREF>;
				qcom,pre-scaling = <1 1>;
			};

			vph_pwr {
				reg = <ADC5_VPH_PWR>;
				qcom,pre-scaling = <1 3>;
			};

			die_temp {
				reg = <ADC5_DIE_TEMP>;
				qcom,pre-scaling = <1 1>;
			};

			xo_therm_100k_pu {
				reg = <ADC5_XO_THERM_100K_PU>;
				qcom,pre-scaling = <1 1>;
			};

			amux_thm1_100k_pu {
				reg = <ADC5_AMUX_THM1_100K_PU>;
				qcom,pre-scaling = <1 1>;
			};

			amux_thm3_100k_pu {
				reg = <ADC5_AMUX_THM3_100K_PU>;
				qcom,pre-scaling = <1 1>;
			};
		};

		rtc@6000 {
			compatible = "qcom,pm8941-rtc";
			reg = <0x6000>;