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[V3,4/4] doc: ti: k3: Add TIFS Stub documentation

Message ID 20240628093252.1864609-5-d-gole@ti.com
State Superseded
Delegated to: Tom Rini
Headers show
Series Low Power Mode: Pakage TIFS Stub on BeaglePlay | expand

Commit Message

Dhruva Gole June 28, 2024, 9:32 a.m. UTC 
Add documentation to briefly explain the role of TIFS Stub in relevant
K3 SoC's.

Signed-off-by: Dhruva Gole <d-gole@ti.com>
---
 doc/board/ti/k3.rst | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/doc/board/ti/k3.rst b/doc/board/ti/k3.rst
index 88821a15e4c6..f45a285db21b 100644
--- a/doc/board/ti/k3.rst
+++ b/doc/board/ti/k3.rst
@@ -192,6 +192,11 @@  online
     device resources such as power, clock, interrupts, dma etc. This firmware
     runs on a dedicated or multi-use microcontroller outside the security
     enclave.
+  * **TIFS Stub** - A small piece of code that helps restore the remaining
+    context and resume the TIFS firmware when resuming from Low Power Modes
+    like Suspend-to-RAM/ Deep Sleep. It is loaded into the ATCM (Tightly
+    Coupled Memory 'A' of the DM R5) during DM startup. This applies only
+    to AM62x, AM62A and AM62P based devices.
 
  OR