linux_dsm_epyc7002/arch/arm64/boot/dts/qcom/pms405.dtsi
Amit Kucheria 041b9a7b9f 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: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2019-01-14 00:15:04 -06:00

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// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2018, Linaro Limited
#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 {
compatible = "qcom,spmi-pmic";
reg = <0x0 SPMI_USID>;
#address-cells = <1>;
#size-cells = <0>;
pms405_gpios: gpio@c000 {
compatible = "qcom,pms405-gpio";
reg = <0xc000>;
gpio-controller;
#gpio-cells = <2>;
interrupts = <0 0xc0 0 IRQ_TYPE_NONE>,
<0 0xc1 0 IRQ_TYPE_NONE>,
<0 0xc2 0 IRQ_TYPE_NONE>,
<0 0xc3 0 IRQ_TYPE_NONE>,
<0 0xc4 0 IRQ_TYPE_NONE>,
<0 0xc5 0 IRQ_TYPE_NONE>,
<0 0xc6 0 IRQ_TYPE_NONE>,
<0 0xc7 0 IRQ_TYPE_NONE>,
<0 0xc8 0 IRQ_TYPE_NONE>,
<0 0xc9 0 IRQ_TYPE_NONE>,
<0 0xca 0 IRQ_TYPE_NONE>,
<0 0xcb 0 IRQ_TYPE_NONE>;
};
pon@800 {
compatible = "qcom,pms405-pon";
reg = <0x0800>;
mode-bootloader = <0x2>;
mode-recovery = <0x1>;
pwrkey {
compatible = "qcom,pm8941-pwrkey";
interrupts = <0x0 0x8 0 IRQ_TYPE_EDGE_BOTH>;
debounce = <15625>;
bias-pull-up;
linux,code = <KEY_POWER>;
};
};
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>;
reg-names = "rtc", "alarm";
interrupts = <0x0 0x61 0x1 IRQ_TYPE_NONE>;
};
};
};