[PATCH 1/2] dt-bindings: remoteproc: stm32-rproc: add new mailbox channel for detach

Arnaud Pouliquen
2021-03-18T15:00:45Z

Add the "detach" mailbox item, that allows to define a mailbox to
send a IPCC signal to the remote processor on remoteproc detach action.

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
---
.../bindings/remoteproc/st,stm32-rproc.yaml | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml
index a1171dfba024..f5976cb431c0 100644
--- a/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml
@@ -65,16 +65,23 @@ properties:
Unidirectional channel:
- from local to remote, where ACK from the remote means that it is
ready for shutdown
+ - description: |
+ A channel (d) used by the local proc to notify the remote proc that it
+ has to stop interprocessor communnication.
+ Unidirectional channel:
+ - from local to remote, where ACK from the remote means that communnication
+ as been stopped on the remote side.
minItems: 1
- maxItems: 3
+ maxItems: 4

mbox-names:
items:
- const: vq0
- const: vq1
- const: shutdown
+ - const: detach
minItems: 1
- maxItems: 3
+ maxItems: 4

memory-region:
description:
--
2.17.1