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

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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: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
This commit is contained in:
Amit Kucheria 2018-12-12 15:47:55 +05:30 committed by Andy Gross
parent 4bbbca1e7f
commit 041b9a7b9f
1 changed files with 79 additions and 0 deletions
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79
arch/arm64/boot/dts/qcom/pms405.dtsi
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@ -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>;