linux-kernel - [PATCH 0/4] ARM: dts: stm32: watchdog updates on stm32mp13x platforms

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Message-ID: <20250918-iwdg1-v1-0-02c2543c01a5@foss.st.com>
Date: Thu, 18 Sep 2025 17:35:37 +0200
From: Gatien Chevallier <gatien.chevallier@...s.st.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Maxime Coquelin
	<mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>
CC: <devicetree@...r.kernel.org>, <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        Gatien Chevallier <gatien.chevallier@...s.st.com>
Subject: [PATCH 0/4] ARM: dts: stm32: watchdog updates on stm32mp13x
 platforms

The IWDG1 can be used to monitor the Cortex-A7's activity on stm32mp13x
SoCs. Add the IWDG1 node in the stm32mp131.dtsi SoC device tree file
in case this peripheral is configured as non-secure and managed by the
Linux kernel.

Add the arm_wdt node in the stm32mp131.dtsi SoC device tree file in
case the ARM SMC watchdog driver is necessary to interact with the
platform watchdog (e.g: the IWDG1 is configured as secure).

Signed-off-by: Gatien Chevallier <gatien.chevallier@...s.st.com>
---
Gatien Chevallier (4):
      ARM: dts: stm32: add iwdg1 node in stm32mp131.dtsi
      ARM: dts: stm32: add the ARM SMC watchdog in stm32mp131.dtsi
      ARM: dts: stm32: enable the ARM SMC watchdog node in stm32mp135f-dk
      ARM: dts: stm32: add the IWDG2 interrupt line in stm32mp131.dtsi

 arch/arm/boot/dts/st/stm32mp131.dtsi    | 16 ++++++++++++++++
 arch/arm/boot/dts/st/stm32mp135f-dk.dts |  5 +++++
 2 files changed, 21 insertions(+)
---
base-commit: 53c18dc078bb6d9e9dfe2cc0671ab78588c44723
change-id: 20250918-iwdg1-0f7ea155135e

Best regards,
-- 
Gatien Chevallier <gatien.chevallier@...s.st.com>