From eabb8b8cfe96874f5801b5017bd3c3fa708b8309 Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Thu, 19 Mar 2020 15:49:50 +0800 Subject: dt-bindings: mailbox: imx-mu: add SCU MU support 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. Reviewed-by: Oleksij Rempel Signed-off-by: Peng Fan Signed-off-by: Jassi Brar --- 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. -- cgit