admin/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2025-12-07 20:06:24 +00:00
Code Issues Packages Projects Releases Wiki Activity

ARM: dts: stm32: add the ARM SMC watchdog in stm32mp131.dtsi

Browse Source 
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>
This commit is contained in:
Gatien Chevallier
2025-10-31 11:00:41 +01:00
committed by Alexandre Torgue
parent 0b1aa90e2d
commit 5512618b58
1 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
arch/arm/boot/dts/st/stm32mp131.dtsi
View File

@@ -29,6 +29,12 @@
interrupt-parent = <&intc>;
};
arm_wdt: watchdog {
compatible = "arm,smc-wdt";
arm,smc-id = <0xbc000000>;
status = "disabled";
};
firmware {
optee {
method = "smc";