linux-kernel - [PATCH v4 6/9] arm64: dts: qcom: Add PM7550 PMIC

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Message-Id: <20251210-sm7635-fp6-initial-v4-6-b05fddd8b45c@fairphone.com>
Date: Wed, 10 Dec 2025 10:43:30 +0900
From: Luca Weiss <luca.weiss@...rphone.com>
To: "Rafael J. Wysocki" <rafael@...nel.org>, 
 Viresh Kumar <viresh.kumar@...aro.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Manivannan Sadhasivam <mani@...nel.org>, 
 Herbert Xu <herbert@...dor.apana.org.au>, 
 "David S. Miller" <davem@...emloft.net>, Vinod Koul <vkoul@...nel.org>, 
 Thomas Gleixner <tglx@...utronix.de>, 
 Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>
Cc: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org, 
 linux-pm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
 linux-crypto@...r.kernel.org, Luca Weiss <luca.weiss@...rphone.com>
Subject: [PATCH v4 6/9] arm64: dts: qcom: Add PM7550 PMIC

Add a dts for the PMIC used e.g. with Milos SoC-based devices.

Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
---
 arch/arm64/boot/dts/qcom/pm7550.dtsi | 67 ++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/pm7550.dtsi b/arch/arm64/boot/dts/qcom/pm7550.dtsi
new file mode 100644
index 000000000000..b886c2397fe7
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/pm7550.dtsi
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2025, Luca Weiss <luca.weiss@...rphone.com>
+ */
+
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/spmi/spmi.h>
+
+/ {
+	thermal-zones {
+		pm7550_thermal: pm7550-thermal {
+			polling-delay-passive = <100>;
+
+			thermal-sensors = <&pm7550_temp_alarm>;
+
+			trips {
+				trip0 {
+					temperature = <95000>;
+					hysteresis = <0>;
+					type = "passive";
+				};
+
+				trip1 {
+					/*
+					 * Current Linux driver currently only supports up to
+					 * 125°C, should be updated to 145°C once available.
+					 */
+					temperature = <125000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+		};
+	};
+};
+
+&spmi_bus {
+	pm7550: pmic@1 {
+		compatible = "qcom,pm7550", "qcom,spmi-pmic";
+		reg = <0x1 SPMI_USID>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		pm7550_temp_alarm: temp-alarm@a00 {
+			compatible = "qcom,spmi-temp-alarm";
+			reg = <0xa00>;
+			interrupts = <0x1 0xa 0x0 IRQ_TYPE_EDGE_BOTH>;
+			#thermal-sensor-cells = <0>;
+		};
+
+		pm7550_gpios: gpio@...0 {
+			compatible = "qcom,pm7550-gpio", "qcom,spmi-gpio";
+			reg = <0x8800>;
+			gpio-controller;
+			gpio-ranges = <&pm7550_gpios 0 0 12>;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+
+		pm7550_flash: led-controller@...0 {
+			compatible = "qcom,pm7550-flash-led", "qcom,spmi-flash-led";
+			reg = <0xee00>;
+			status = "disabled";
+		};
+	};
+};

-- 
2.52.0