[PATCH v3 10/13] arm64: dts: st: add iwdg1 and iwdg2 support to stm32mp211
From: Antonio Borneo
Date: Fri Nov 06 2026 - 11:45:06 EST
From: Clément Le Goffic <clement.legoffic@xxxxxxxxxxx>
Add the watchdog nodes to the SoC device tree.
Signed-off-by: Clément Le Goffic <clement.legoffic@xxxxxxxxxxx>
Signed-off-by: Antonio Borneo <antonio.borneo@xxxxxxxxxxx>
---
arch/arm64/boot/dts/st/stm32mp211.dtsi | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/arch/arm64/boot/dts/st/stm32mp211.dtsi b/arch/arm64/boot/dts/st/stm32mp211.dtsi
index 4bfd58b26b51b..7ad1c3c304dea 100644
--- a/arch/arm64/boot/dts/st/stm32mp211.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp211.dtsi
@@ -110,6 +110,26 @@ usart2: serial@400e0000 {
access-controllers = <&rifsc 32>;
status = "disabled";
};
+
+ iwdg1: watchdog@44010000 {
+ compatible = "st,stm32mp1-iwdg";
+ reg = <0x44010000 0x0 0x400>;
+ interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&rcc CK_BUS_IWDG1>, <&scmi_clk CK_SCMI_LSI>;
+ clock-names = "pclk", "lsi";
+ access-controllers = <&rifsc 100>;
+ status = "disabled";
+ };
+
+ iwdg2: watchdog@44020000 {
+ compatible = "st,stm32mp1-iwdg";
+ reg = <0x44020000 0x0 0x400>;
+ interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&rcc CK_BUS_IWDG2>, <&scmi_clk CK_SCMI_LSI>;
+ clock-names = "pclk", "lsi";
+ access-controllers = <&rifsc 101>;
+ status = "disabled";
+ };
};
bsec: efuse@44000000 {
--
2.34.1