diff options
Diffstat (limited to 'Documentation/devicetree/bindings/rpmsg')
-rw-r--r-- | Documentation/devicetree/bindings/rpmsg/imx-rpmsg.txt | 11 |
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{ |