From 71b15acd632455d3ee6ba8be53312f09f58ab51d Mon Sep 17 00:00:00 2001
From: tao89959 <1036524114@qq.com>
Date: Thu, 12 Feb 2026 09:16:32 +0800
Subject: [PATCH] loongson: 2k1000: dtsi: add wtd dts node
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2k1000 dtsi添加看门狗节点

Changelog:
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
---
 arch/loongarch/boot/dts/loongson2k1000.dtsi | 40 ++++++++++++---------
 1 file changed, 23 insertions(+), 17 deletions(-)

diff --git a/arch/loongarch/boot/dts/loongson2k1000.dtsi b/arch/loongarch/boot/dts/loongson2k1000.dtsi
index cb0418000..ae1c65e2c 100644
--- a/arch/loongarch/boot/dts/loongson2k1000.dtsi
+++ b/arch/loongarch/boot/dts/loongson2k1000.dtsi
@@ -635,26 +635,32 @@
 			status = "disabled";
 		};
 
-		pmc: power-management@1fe27000 {
-			compatible = "loongson,ls2k1000-pmc", "loongson,ls2k0500-pmc", "syscon";
+		pmc: syscon@0x1fe27000 {
+			compatible = "syscon";
 			reg = <0x0 0x1fe27000 0x0 0x58>;
-			interrupt-parent = <&liointc1>;
-			interrupts = <11 IRQ_TYPE_LEVEL_HIGH>;
-			loongson,suspend-address = <0x0 0x1c000500>;
+		};
 
-			syscon-reboot {
-				compatible = "syscon-reboot";
-				offset = <0x30>;
-				mask = <0x1>;
-			};
+		reboot {
+			compatible ="syscon-reboot";
+			regmap = <&pmc>;
+			offset = <0x30>;
+			mask = <0x1>;
+		};
 
-			syscon-poweroff {
-				compatible = "syscon-poweroff";
-				regmap = <&pmc>;
-				offset = <0x14>;
-				mask = <0x3c00>;
-				value = <0x3c00>;
-			};
+		poweroff {
+			compatible ="syscon-poweroff";
+			regmap = <&pmc>;
+			offset = <0x14>;
+			mask = <0x3c00>;
+			value = <0x3c00>;
+		};
+
+		wdt:watchdog@1fe27030{
+			compatible = "loongson,ls2x-wdt";
+			reg = <0 0x1fe27030 0 0xC>;
+			clocks = <&clk LOONGSON2_APB_CLK>;
+			clock-names = "wdt-clk";
+			status = "okay";
 		};
 
 		rtc0: rtc@1fe27800 {