diff options
| author | Richard Zhu <hongxing.zhu@nxp.com> | 2017-10-09 16:23:50 +0800 |
|---|---|---|
| committer | Leonard Crestez <leonard.crestez@nxp.com> | 2018-08-24 12:41:33 +0300 |
| commit | ff925ff4eb41073f44bc05cfe82e4cfd8da75884 (patch) | |
| tree | d6bad647e8037401886887acc58b6d4853f076f5 /Documentation/devicetree/bindings/rpmsg | |
| parent | 61fa24b492b0bd1285dbf33a0535254c0a930aa5 (diff) | |
MLK-16586-2 ARM64: dts: imx: enable multi-core rpmsg support
Because there are two m4 cores on imx8qm,
enable imx8qm multi-core rpmsg support
BuildInfo:
- SCFW a6fd9a48, IMX-MKIMAGE 0, ATF 0
- U-Boot 2017.03-imx_v2017.03_4.9.11_imx8_alpha+g258936c
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Reviewed-by: Robin Gong <yibin.gong@nxp.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Reviewed-by: Andy Duan <fugang.duan@nxp.com>
Tested-by: Andy Duan <fugang.duan@nxp.com>
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{ |