Re: [PATCH V5 1/4] dt-bindings: mailbox: imx-mu: add SCU MU support

From: Oleksij Rempel
Date: Tue Mar 03 2020 - 02:54:33 EST




On 03.03.20 08:42, peng.fan@xxxxxxx wrote:
From: Peng Fan <peng.fan@xxxxxxx>

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@xxxxxxx>

Reviewed-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>

---

V5:
None
V4:
None
V3:
New patch

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

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.


Kind regards,
Oleksij Rempel

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