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-rw-r--r--Documentation/devicetree/bindings/rpmsg/imx-rpmsg.txt11
1 files changed, 9 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/rpmsg/imx-rpmsg.txt b/Documentation/devicetree/bindings/rpmsg/imx-rpmsg.txt
index 855a00b5d4b3..d51250ad970c 100644
--- a/Documentation/devicetree/bindings/rpmsg/imx-rpmsg.txt
+++ b/Documentation/devicetree/bindings/rpmsg/imx-rpmsg.txt
@@ -3,9 +3,13 @@ i.MX RPMSG platform implementations
Required properties:
- compatible : "fsl,imx7d-rpmsg", "fsl,imx6sx-rpmsg".
"fsl,rpmsg-bus", "simple-bus", "fsl,imx8qxp-rpmsg".
+ "fsl,imx8qm-rpmsg".
- vdev-nums : The number of the remote virtual devices.
- reg : The reserved DDR phisical memory used to store
vring descriptors.
+- multi-core-id: The id number of the remote processors.
+ And it is optional for the legacy platforms, since they
+ only have one remote processors.
=====================================================================
@@ -13,12 +17,15 @@ message unit module for RPMSG
- mu_rpmsg : The message unit module used to do the communications
between the asymmetric cores.
-- compatible : "fsl,imx8-mu", "fsl,imx6sx-mu"
+- compatible : "fsl,imx8-mu", "fsl,imx6sx-mu", "fsl,imx-mu-rpmsg1".
+ Different mu module would be used by the different remote processor.
+ The "fsl, imx6sx-mu" is used by the first remote processor.
+ The "fsl,imx-mu-rpmsg1" is used by the second remote process.
- reg : Should contain MU registers location and length.
- interrupts : interrupt mapping for RPMSG MU IRQ
- interrupt-parent : A single value that points to the interrupt
parent to which the child domain is being mapped.
- Value must be "&intmux_cm40"
+ Value must be "&intmux_cm40" or "&intmux_cm41"
Example:
rpmsg: rpmsg{