[PATCH 3/4] mips: dts: realtek: Add watchdog

From: Chris Packham
Date: Wed Jun 18 2025 - 21:08:59 EST


The RTL9300 has an integrated watchdog. Add this to the devicetree.

This is taken from openwrt[1] the only difference is removing the
unnecessary second cell from the interrupts.

[1] - https://git.openwrt.org/?p=openwrt/openwrt.git;a=blob;f=target/linux/realtek/dts/rtl930x.dtsi

Signed-off-by: Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx>
---
arch/mips/boot/dts/realtek/rtl930x.dtsi | 14 ++++++++++++++
1 file changed, 14 insertions(+)

diff --git a/arch/mips/boot/dts/realtek/rtl930x.dtsi b/arch/mips/boot/dts/realtek/rtl930x.dtsi
index 74b30704f188..77a854034aba 100644
--- a/arch/mips/boot/dts/realtek/rtl930x.dtsi
+++ b/arch/mips/boot/dts/realtek/rtl930x.dtsi
@@ -142,6 +142,20 @@ timer0: timer@3200 {
clocks = <&lx_clk>;
};

+ watchdog0: watchdog@3260 {
+ compatible = "realtek,rtl9300-wdt";
+ reg = <0x3260 0xc>;
+
+ realtek,reset-mode = "soc";
+
+ clocks = <&lx_clk>;
+ timeout-sec = <30>;
+
+ interrupt-parent = <&intc>;
+ interrupt-names = "phase1", "phase2";
+ interrupts = <5>, <6>;
+ };
+
snand: spi@1a400 {
compatible = "realtek,rtl9301-snand";
reg = <0x1a400 0x44>;
--
2.49.0