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From: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
To: Bjorn Andersson <bjorn.andersson@linaro.org>,
	Ohad Ben-Cohen <ohad@wizery.com>,
	Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: <linux-remoteproc@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>,
	<linux-stm32@st-md-mailman.stormreply.com>,
	<arnaud.pouliquen@foss.st.com>
Subject: [PATCH v3 1/2] dt-bindings: remoteproc: stm32-rproc: add new mailbox channel for detach
Date: Fri, 26 Mar 2021 10:42:08 +0100	[thread overview]
Message-ID: <20210326094209.29750-2-arnaud.pouliquen@foss.st.com> (raw)
In-Reply-To: <20210326094209.29750-1-arnaud.pouliquen@foss.st.com>

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>
---
No Update from V2.

Update from V1:
Fix indentation error reported by 'make dt_binding_check'.

---
 .../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..64afdcfb613d 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


  reply	other threads:[~2021-03-26  9:43 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-26  9:42 [PATCH v3 0/2] remoteproc: stm32: add support of detaching a remote processor Arnaud Pouliquen
2021-03-26  9:42 ` Arnaud Pouliquen [this message]
2021-03-30  7:14   ` [PATCH v3 1/2] dt-bindings: remoteproc: stm32-rproc: add new mailbox channel for detach Arnaud POULIQUEN
2021-03-26  9:42 ` [PATCH v3 2/2] remoteproc: stm32: add capability to detach Arnaud Pouliquen

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