[PATCH 23/39] arm64: dts: qcom: pm660(l): Add VADC and temp alarm nodes

Konrad Dybcio
2021-07-28T22:27:29Z

Add VADC, temperature alarm and thermal zones for pm660(l)
to allow for temperature and voltage readouts and prevent
PMIC overheating.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
---
arch/arm64/boot/dts/qcom/pm660.dtsi | 122 +++++++++++++++++++++++++++
arch/arm64/boot/dts/qcom/pm660l.dtsi | 33 ++++++++
2 files changed, 155 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/pm660.dtsi b/arch/arm64/boot/dts/qcom/pm660.dtsi
index c6c57fe626e3..e847d7209afc 100644
--- a/arch/arm64/boot/dts/qcom/pm660.dtsi
+++ b/arch/arm64/boot/dts/qcom/pm660.dtsi
@@ -3,9 +3,35 @@
* Copyright (c) 2020, Konrad Dybcio
*/

+#include <dt-bindings/iio/qcom,spmi-vadc.h>
#include <dt-bindings/input/linux-event-codes.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/spmi/spmi.h>
+#include <dt-bindings/thermal/thermal.h>
+
+/ {
+ thermal-zones {
+ pm660 {
+ polling-delay-passive = <250>;
+ polling-delay = <1000>;
+
+ thermal-sensors = <&pm660_temp>;
+
+ trips {
+ pm660_alert0: pm660-alert0 {
+ temperature = <95000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+ pm660_crit: pm660-crit {
+ temperature = <125000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+ };
+ };
+};

&spmi_bus {

@@ -37,6 +63,102 @@ pwrkey {

};

+ pm660_temp: temp-alarm@2400 {
+ compatible = "qcom,spmi-temp-alarm";
+ reg = <0x2400>;
+ interrupts = <0x0 0x24 0x0 IRQ_TYPE_EDGE_RISING>;
+ io-channels = <&pm660_adc ADC5_DIE_TEMP>;
+ io-channel-names = "thermal";
+ #thermal-sensor-cells = <0>;
+ };
+
+ pm660_adc: adc@3100 {
+ compatible = "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: ref_gnd@0 {
+ reg = <ADC5_REF_GND>;
+ qcom,decimation = <1024>;
+ qcom,pre-scaling = <1 1>;
+ };
+
+ vref_1p25: vref_1p25@1 {
+ reg = <ADC5_1P25VREF>;
+ qcom,decimation = <1024>;
+ qcom,pre-scaling = <1 1>;
+ };
+
+ die_temp: die_temp@6 {
+ reg = <ADC5_DIE_TEMP>;
+ qcom,decimation = <1024>;
+ qcom,pre-scaling = <1 1>;
+ };
+
+ xo_therm: xo_therm@4c {
+ reg = <ADC5_XO_THERM_100K_PU>;
+ qcom,pre-scaling = <1 1>;
+ qcom,decimation = <1024>;
+ qcom,hw-settle-time = <200>;
+ qcom,ratiometric;
+ };
+
+ msm_therm: msm_therm@4d {
+ reg = <ADC5_AMUX_THM1_100K_PU>;
+ qcom,pre-scaling = <1 1>;
+ qcom,decimation = <1024>;
+ qcom,hw-settle-time = <200>;
+ qcom,ratiometric;
+ };
+
+ emmc_therm: emmc_therm@4e {
+ reg = <ADC5_AMUX_THM2_100K_PU>;
+ qcom,pre-scaling = <1 1>;
+ qcom,decimation = <1024>;
+ qcom,hw-settle-time = <200>;
+ qcom,ratiometric;
+ };
+
+ pa_therm0: thermistor0@4f {
+ reg = <ADC5_AMUX_THM3_100K_PU>;
+ qcom,pre-scaling = <1 1>;
+ qcom,decimation = <1024>;
+ qcom,hw-settle-time = <200>;
+ qcom,ratiometric;
+ };
+
+ pa_therm1: thermistor1@50 {
+ reg = <ADC5_AMUX_THM4_100K_PU>;
+ qcom,pre-scaling = <1 1>;
+ qcom,decimation = <1024>;
+ qcom,hw-settle-time = <200>;
+ qcom,ratiometric;
+ };
+
+ quiet_therm: quiet_therm@51 {
+ reg = <ADC5_AMUX_THM5_100K_PU>;
+ qcom,pre-scaling = <1 1>;
+ qcom,decimation = <1024>;
+ qcom,hw-settle-time = <200>;
+ qcom,ratiometric;
+ };
+
+ vadc_vph_pwr: vph_pwr@83 {
+ reg = <ADC5_VPH_PWR>;
+ qcom,decimation = <1024>;
+ qcom,pre-scaling = <1 3>;
+ };
+
+ vcoin: vcoin@83 {
+ reg = <ADC5_VCOIN>;
+ qcom,decimation = <1024>;
+ qcom,pre-scaling = <1 3>;
+ };
+ };
+
pm660_gpios: gpios@c000 {
compatible = "qcom,pm660-gpio";
reg = <0xc000>;
diff --git a/arch/arm64/boot/dts/qcom/pm660l.dtsi b/arch/arm64/boot/dts/qcom/pm660l.dtsi
index 64a8e9b9afbe..05086cbe573b 100644
--- a/arch/arm64/boot/dts/qcom/pm660l.dtsi
+++ b/arch/arm64/boot/dts/qcom/pm660l.dtsi
@@ -3,9 +3,35 @@
* Copyright (c) 2020, Konrad Dybcio
*/

+#include <dt-bindings/iio/qcom,spmi-vadc.h>
#include <dt-bindings/input/linux-event-codes.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/spmi/spmi.h>
+#include <dt-bindings/thermal/thermal.h>
+
+/ {
+ thermal-zones {
+ pm660l {
+ polling-delay-passive = <250>;
+ polling-delay = <1000>;
+
+ thermal-sensors = <&pm660l_temp>;
+
+ trips {
+ pm660l_alert0: pm660l-alert0 {
+ temperature = <95000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+ pm660l_crit: pm660l-crit {
+ temperature = <125000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+ };
+ };
+};

&spmi_bus {

@@ -15,6 +41,13 @@ pmic@2 {
#address-cells = <1>;
#size-cells = <0>;

+ pm660l_temp: temp-alarm@2400 {
+ compatible = "qcom,spmi-temp-alarm";
+ reg = <0x2400>;
+ interrupts = <0x2 0x24 0x0 IRQ_TYPE_EDGE_BOTH>;
+ #thermal-sensor-cells = <0>;
+ };
+
pm660l_gpios: gpios@c000 {
compatible = "qcom,pm660l-gpio", "qcom,spmi-gpio";
reg = <0xc000>;
--
2.32.0