linux-kernel - [PATCH 1/5] ARM: dts: uniphier: Add missing watchdog nodes

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Message-Id: <20251216110113.1801245-2-hayashi.kunihiko@socionext.com>
Date: Tue, 16 Dec 2025 20:01:09 +0900
From: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Masami Hiramatsu <mhiramat@...nel.org>
Cc: devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Subject: [PATCH 1/5] ARM: dts: uniphier: Add missing watchdog nodes

Some UniPhier armv7 SoCs also have watchdog functions and are available.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
---
 arch/arm/boot/dts/socionext/uniphier-pro4.dtsi | 4 ++++
 arch/arm/boot/dts/socionext/uniphier-pro5.dtsi | 4 ++++
 arch/arm/boot/dts/socionext/uniphier-pxs2.dtsi | 4 ++++
 arch/arm/boot/dts/socionext/uniphier-sld8.dtsi | 4 ++++
 4 files changed, 16 insertions(+)

diff --git a/arch/arm/boot/dts/socionext/uniphier-pro4.dtsi b/arch/arm/boot/dts/socionext/uniphier-pro4.dtsi
index ba55af30e904..041add88347b 100644
--- a/arch/arm/boot/dts/socionext/uniphier-pro4.dtsi
+++ b/arch/arm/boot/dts/socionext/uniphier-pro4.dtsi
@@ -496,6 +496,10 @@ sys_rst: reset-controller {
 				compatible = "socionext,uniphier-pro4-reset";
 				#reset-cells = <1>;
 			};
+
+			watchdog {
+				compatible = "socionext,uniphier-wdt";
+			};
 		};
 
 		eth: ethernet@...00000 {
diff --git a/arch/arm/boot/dts/socionext/uniphier-pro5.dtsi b/arch/arm/boot/dts/socionext/uniphier-pro5.dtsi
index 2d8591cdddb8..3d21fb822219 100644
--- a/arch/arm/boot/dts/socionext/uniphier-pro5.dtsi
+++ b/arch/arm/boot/dts/socionext/uniphier-pro5.dtsi
@@ -470,6 +470,10 @@ sys_rst: reset-controller {
 				compatible = "socionext,uniphier-pro5-reset";
 				#reset-cells = <1>;
 			};
+
+			watchdog {
+				compatible = "socionext,uniphier-wdt";
+			};
 		};
 
 		usb0: usb@...00000 {
diff --git a/arch/arm/boot/dts/socionext/uniphier-pxs2.dtsi b/arch/arm/boot/dts/socionext/uniphier-pxs2.dtsi
index f97a57222101..ef94fa0517a6 100644
--- a/arch/arm/boot/dts/socionext/uniphier-pxs2.dtsi
+++ b/arch/arm/boot/dts/socionext/uniphier-pxs2.dtsi
@@ -572,6 +572,10 @@ sys_rst: reset-controller {
 				#reset-cells = <1>;
 			};
 
+			watchdog {
+				compatible = "socionext,uniphier-wdt";
+			};
+
 			pvtctl: thermal-sensor {
 				compatible = "socionext,uniphier-pxs2-thermal";
 				interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
diff --git a/arch/arm/boot/dts/socionext/uniphier-sld8.dtsi b/arch/arm/boot/dts/socionext/uniphier-sld8.dtsi
index f876282760e9..0b840a8415dd 100644
--- a/arch/arm/boot/dts/socionext/uniphier-sld8.dtsi
+++ b/arch/arm/boot/dts/socionext/uniphier-sld8.dtsi
@@ -413,6 +413,10 @@ sys_rst: reset-controller {
 				compatible = "socionext,uniphier-sld8-reset";
 				#reset-cells = <1>;
 			};
+
+			watchdog {
+				compatible = "socionext,uniphier-wdt";
+			};
 		};
 
 		nand: nand-controller@...00000 {
-- 
2.34.1