[PATCH 3/4] MIPS: Loongson64: Add watchdog node for LS7A PCH

[Rong Zhang]

The Loongson-7A has a watchdog. With proper support added to the
loongson1_wdt driver, wire it up by adding a watchdog node to
ls7a-pch.dtsi.

Tested on Loongson-LS3A4000-7A1000-NUC-SE and Lenovo KaiTian M530Z.

Signed-off-by: Rong Zhang <rongrong@xxxxxxxxxxxxxxxxx>
---
 arch/mips/boot/dts/loongson/ls7a-pch.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/mips/boot/dts/loongson/ls7a-pch.dtsi b/arch/mips/boot/dts/loongson/ls7a-pch.dtsi
index f304f99946f1..770c96e9b908 100644
--- a/arch/mips/boot/dts/loongson/ls7a-pch.dtsi
+++ b/arch/mips/boot/dts/loongson/ls7a-pch.dtsi
@@ -67,6 +67,12 @@ ls7a_uart3: serial@10080300 {
 			no-loopback-test;
 		};
 
+		watchdog: watchdog@100d0030 {
+			compatible = "loongson,ls7a-wdt";
+			reg = <0 0x100d0030 0 0xc>;
+			clock-frequency = <50000000>;
+		};
+
 		rtc0: rtc@100d0100 {
 			compatible = "loongson,ls7a-rtc";
 			reg = <0 0x100d0100 0 0x78>;

-- 
2.55.0