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Message-Id: <20241109-msm8917-v4-1-8be9904792ab@mainlining.org>
Date: Sat, 09 Nov 2024 13:08:03 +0100
From: Barnabás Czémán <barnabas.czeman@...nlining.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Linus Walleij <linus.walleij@...aro.org>, Amit Kucheria <amitk@...nel.org>, 
 Thara Gopinath <thara.gopinath@...il.com>, 
 "Rafael J. Wysocki" <rafael@...nel.org>, 
 Daniel Lezcano <daniel.lezcano@...aro.org>, Zhang Rui <rui.zhang@...el.com>, 
 Lukasz Luba <lukasz.luba@....com>, Joerg Roedel <joro@...tes.org>, 
 Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>, 
 Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org, 
 linux-pm@...r.kernel.org, iommu@...ts.linux.dev, 
 Barnabás Czémán <barnabas.czeman@...nlining.org>, 
 Dang Huynh <danct12@...eup.net>, 
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Subject: [PATCH v4 01/10] arm64: dts: qcom: Add PM8937 PMIC

From: Dang Huynh <danct12@...eup.net>

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@...aro.org>
Signed-off-by: Dang Huynh <danct12@...eup.net>
Signed-off-by: Barnabás Czémán <barnabas.czeman@...nlining.org>
---
 arch/arm64/boot/dts/qcom/pm8937.dtsi | 152 +++++++++++++++++++++++++++++++++++
 1 file changed, 152 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/pm8937.dtsi b/arch/arm64/boot/dts/qcom/pm8937.dtsi
new file mode 100644
index 0000000000000000000000000000000000000000..38421e89e556eaaf318118175e8e2036029311a9
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/pm8937.dtsi
@@ -0,0 +1,152 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2023, Dang Huynh <danct12@...eup.net>
+ */
+
+#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/pinctrl/qcom,pmic-mpp.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@...0 {
+			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@...0 {
+			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@...0 {
+			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@...0 {
+			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@...0 {
+			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";
+		};
+	};
+};

-- 
2.47.0


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