Add the IWDG1 node in the stm32mp131.dtsi SoC device tree file. It can
be used as the Cortex-A7 watchdog when it's configured as non-secure.

Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
---
 arch/arm/boot/dts/st/stm32mp131.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/boot/dts/st/stm32mp131.dtsi b/arch/arm/boot/dts/st/stm32mp131.dtsi
index fd730aa37c22e02ec2fd8171f569ab681f47d737..583938ea5c08163b1b100a2aef5894f4a7f34a51 100644
--- a/arch/arm/boot/dts/st/stm32mp131.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp131.dtsi
@@ -1005,6 +1005,15 @@ iwdg2: watchdog@5a002000 {
 			status = "disabled";
 		};
 
+		iwdg1: watchdog@5c003000 {
+			compatible = "st,stm32mp1-iwdg";
+			reg = <0x5c003000 0x400>;
+			interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&rcc IWDG1>, <&scmi_clk CK_SCMI_LSI>;
+			clock-names = "pclk", "lsi";
+			status = "disabled";
+		};
+
 		rtc: rtc@5c004000 {
 			compatible = "st,stm32mp1-rtc";
 			reg = <0x5c004000 0x400>;

-- 
2.25.1