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dt-bindings: mailbox: imx-mu: add i.MX8ULP S400 MU support

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Similar to i.MX8QM/QXP SCU, i.MX8ULP SCU MU is dedicated for
communication between S400 and Cortex-A cores from hardware design,
it could not be reused for other purpose. To use S400 MU more
effectivly, add "fsl,imx8ulp-mu-s4" compatile to support fast IPC.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
This commit is contained in:
Peng Fan 2021-10-22 18:18:55 +08:00 committed by Jassi Brar
parent 9a172b62a9
commit a6daa22073
1 changed files with 1 additions and 0 deletions
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Documentation/devicetree/bindings/mailbox/fsl,mu.yaml
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@ -28,6 +28,7 @@ properties:
- const: fsl,imx7ulp-mu
- const: fsl,imx8ulp-mu
- const: fsl,imx8-mu-scu
- const: fsl,imx8ulp-mu-s4
- items:
- enum:
- fsl,imx7s-mu