diff options
| author | Gatien Chevallier <gatien.chevallier@foss.st.com> | 2025-10-31 11:00:41 +0100 |
|---|---|---|
| committer | Alexandre Torgue <alexandre.torgue@foss.st.com> | 2025-11-14 09:39:50 +0100 |
| commit | 5512618b583670ef2ac17af43eee66745c8885c7 (patch) | |
| tree | dc41b517b893e48498f4a3ec7cfc3a80b11de2b6 /arch/arm/boot | |
| parent | 0b1aa90e2d6ccb8ce7530f3a15426939871e1c07 (diff) | |
ARM: dts: stm32: add the ARM SMC watchdog in stm32mp131.dtsi
Add the arm_wdt node in the stm32mp131.dtsi SoC device tree file. When
the platform watchdog is managed by the secure world, SMC calls are used
to interact with it.
Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Link: https://lore.kernel.org/r/20251031-iwdg1-v2-2-2dc6e0116725@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Diffstat (limited to 'arch/arm/boot')
| -rw-r--r-- | arch/arm/boot/dts/st/stm32mp131.dtsi | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/st/stm32mp131.dtsi b/arch/arm/boot/dts/st/stm32mp131.dtsi index a18da1a04fe3..6506b9109b90 100644 --- a/arch/arm/boot/dts/st/stm32mp131.dtsi +++ b/arch/arm/boot/dts/st/stm32mp131.dtsi @@ -29,6 +29,12 @@ interrupt-parent = <&intc>; }; + arm_wdt: watchdog { + compatible = "arm,smc-wdt"; + arm,smc-id = <0xbc000000>; + status = "disabled"; + }; + firmware { optee { method = "smc"; |