diff mbox series

[V3,1/4] dt-bindings: mailbox: imx-mu: add SCU MU support

Message ID 1582692043-683-2-git-send-email-peng.fan@nxp.com (mailing list archive)
State New, archived
Headers show
Series mailbox/firmware: imx: support SCU channel type | expand

Commit Message

Peng Fan Feb. 26, 2020, 4:40 a.m. UTC 
From: Peng Fan <peng.fan@nxp.com>

i.MX8/8X SCU MU is dedicated for communication between SCU
and Cortex-A cores from hardware design, it could not be reused
for other purpose. To use SCU MU more effectivly, add "fsl,imx8-scu-mu"
compatile to support fast IPC.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---

V3:
 New patch

 Documentation/devicetree/bindings/mailbox/fsl,mu.txt | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/mailbox/fsl,mu.txt b/Documentation/devicetree/bindings/mailbox/fsl,mu.txt
index 9c43357c5924..31486c9f6443 100644
--- a/Documentation/devicetree/bindings/mailbox/fsl,mu.txt
+++ b/Documentation/devicetree/bindings/mailbox/fsl,mu.txt
@@ -23,6 +23,8 @@  Required properties:
 		be included together with SoC specific compatible.
 		There is a version 1.0 MU on imx7ulp, use "fsl,imx7ulp-mu"
 		compatible to support it.
+		To communicate with i.MX8 SCU, "fsl,imx8-mu-scu" could be
+		used for fast IPC
 - reg :		Should contain the registers location and length
 - interrupts :	Interrupt number. The interrupt specifier format depends
 		on the interrupt controller parent.