arm64: dts: qcom: Add PM8937 PMIC

The PM8937 features integrated peripherals like ADC, GPIO controller,
MPPs, PON keys and others.

Add the device tree so that any boards with this PMIC can use it.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Dang Huynh <danct12@riseup.net>
Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
Link: https://lore.kernel.org/r/20241221-msm8917-v11-1-901a74db4805@mainlining.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

diff --git a/arch/arm64/boot/dts/qcom/pm8937.dtsi b/arch/arm64/boot/dts/qcom/pm8937.dtsi
new file mode 100644 (file)
index 0000000..42b3575
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/pm8937.dtsi
@@ -0,0 +1,150 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2023, Dang Huynh <danct12@riseup.net>
+ */
+
+#include <dt-bindings/iio/qcom,spmi-vadc.h>
+#include <dt-bindings/input/linux-event-codes.h>
+#include <dt-bindings/spmi/spmi.h>
+
+/ {
+       thermal-zones {
+               pm8937-thermal {
+                       polling-delay-passive = <0>;
+                       polling-delay = <0>;
+                       thermal-sensors = <&pm8937_temp>;
+
+                       trips {
+                               trip0 {
+                                       temperature = <105000>;
+                                       hysteresis = <0>;
+                                       type = "passive";
+                               };
+
+                               trip1 {
+                                       temperature = <125000>;
+                                       hysteresis = <0>;
+                                       type = "hot";
+                               };
+
+                               trip2 {
+                                       temperature = <145000>;
+                                       hysteresis = <0>;
+                                       type = "critical";
+                               };
+                       };
+               };
+       };
+};
+
+&spmi_bus {
+       pmic@0 {
+               compatible = "qcom,pm8937", "qcom,spmi-pmic";
+               reg = <0x0 SPMI_USID>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               pon@800 {
+                       compatible = "qcom,pm8916-pon";
+                       reg = <0x800>;
+                       mode-bootloader = <0x2>;
+                       mode-recovery = <0x1>;
+
+                       pm8937_pwrkey: pwrkey {
+                               compatible = "qcom,pm8941-pwrkey";
+                               interrupts = <0 0x8 0 IRQ_TYPE_EDGE_BOTH>;
+                               debounce = <15625>;
+                               bias-pull-up;
+                               linux,code = <KEY_POWER>;
+                       };
+
+                       pm8937_resin: resin {
+                               compatible = "qcom,pm8941-resin";
+                               interrupts = <0 0x8 1 IRQ_TYPE_EDGE_BOTH>;
+                               debounce = <15625>;
+                               bias-pull-up;
+                               status = "disabled";
+                       };
+               };
+
+               pm8937_gpios: gpio@c000 {
+                       compatible = "qcom,pm8937-gpio", "qcom,spmi-gpio";
+                       reg = <0xc000>;
+                       gpio-controller;
+                       gpio-ranges = <&pm8937_gpios 0 0 8>;
+                       #gpio-cells = <2>;
+                       interrupt-controller;
+                       #interrupt-cells = <2>;
+               };
+
+               pm8937_mpps: mpps@a000 {
+                       compatible = "qcom,pm8937-mpp", "qcom,spmi-mpp";
+                       reg = <0xa000>;
+                       gpio-controller;
+                       gpio-ranges = <&pm8937_mpps 0 0 4>;
+                       #gpio-cells = <2>;
+                       interrupt-controller;
+                       #interrupt-cells = <2>;
+               };
+
+               pm8937_temp: temp-alarm@2400 {
+                       compatible = "qcom,spmi-temp-alarm";
+                       reg = <0x2400>;
+                       interrupts = <0 0x24 0 IRQ_TYPE_EDGE_RISING>;
+                       io-channels = <&pm8937_vadc VADC_DIE_TEMP>;
+                       io-channel-names = "thermal";
+                       #thermal-sensor-cells = <0>;
+               };
+
+               pm8937_vadc: adc@3100 {
+                       compatible = "qcom,spmi-vadc";
+                       reg = <0x3100>;
+                       interrupts = <0 0x31 0 IRQ_TYPE_EDGE_RISING>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       #io-channel-cells = <1>;
+
+                       channel@8 {
+                               reg = <VADC_DIE_TEMP>;
+                       };
+
+                       channel@9 {
+                               reg = <VADC_REF_625MV>;
+                       };
+
+                       channel@a {
+                               reg = <VADC_REF_1250MV>;
+                       };
+
+                       channel@c {
+                               reg = <VADC_SPARE1>;
+                       };
+
+                       channel@e {
+                               reg = <VADC_GND_REF>;
+                       };
+
+                       channel@f {
+                               reg = <VADC_VDD_VADC>;
+                       };
+               };
+
+               rtc@6000 {
+                       compatible = "qcom,pm8941-rtc";
+                       reg = <0x6000>, <0x6100>;
+                       reg-names = "rtc", "alarm";
+                       interrupts = <0x0 0x61 0x1 IRQ_TYPE_EDGE_RISING>;
+               };
+       };
+
+       pmic@1 {
+               compatible = "qcom,pm8937", "qcom,spmi-pmic";
+               reg = <0x1 SPMI_USID>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               pm8937_spmi_regulators: regulators {
+                       compatible = "qcom,pm8937-regulators";
+               };
+       };
+};