linux-kernel - [PATCH v2 7/7] arm64: dts: ti: sa67: add on-board management controller node

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Message-Id: <20250912120745.2295115-8-mwalle@kernel.org>
Date: Fri, 12 Sep 2025 14:07:45 +0200
From: Michael Walle <mwalle@...nel.org>
To: Nishanth Menon <nm@...com>,
	Vignesh Raghavendra <vigneshr@...com>,
	Tero Kristo <kristo@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Michael Walle <mwalle@...nel.org>,
	Jean Delvare <jdelvare@...e.com>,
	Guenter Roeck <linux@...ck-us.net>,
	Lee Jones <lee@...nel.org>,
	Srinivas Kandagatla <srini@...nel.org>,
	Wim Van Sebroeck <wim@...ux-watchdog.org>
Cc: linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-hwmon@...r.kernel.org,
	linux-watchdog@...r.kernel.org,
	Andrew Davis <afd@...com>
Subject: [PATCH v2 7/7] arm64: dts: ti: sa67: add on-board management controller node

Add the node for the onboard management controller which has a watchdog
and hardware monitoring.

Signed-off-by: Michael Walle <mwalle@...nel.org>
---
 .../boot/dts/ti/k3-am67a-kontron-sa67-base.dts | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am67a-kontron-sa67-base.dts b/arch/arm64/boot/dts/ti/k3-am67a-kontron-sa67-base.dts
index 5755df689752..7f05df9111ea 100644
--- a/arch/arm64/boot/dts/ti/k3-am67a-kontron-sa67-base.dts
+++ b/arch/arm64/boot/dts/ti/k3-am67a-kontron-sa67-base.dts
@@ -416,6 +416,24 @@ vcc_1p8_ret_s5: ldo3 {
 		};
 	};
 
+	system-controller@4a {
+		compatible = "kontron,sa67mcu", "kontron,sl28cpld";
+		reg = <0x4a>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		watchdog@4 {
+			compatible = "kontron,sa67mcu-wdt", "kontron,sl28cpld-wdt";
+			reg = <0x4>;
+			kontron,assert-wdt-timeout-pin;
+		};
+
+		hwmon@8 {
+			compatible = "kontron,sa67mcu-hwmon";
+			reg = <0x8>;
+		};
+	};
+
 	rtc: rtc@51 {
 		compatible = "microcrystal,rv8263";
 		reg = <0x51>;
-- 
2.39.5