MLK-13720-5: ARM: dts: imx7ulp-evk: support multi rpmsg instances

Add 'vdev-nums' to imply how many rpmsg instances used in kernel. If
it beyond the 5, please enlarge the 'MAX_VDEV_NUMS' in imx_rpmsg.c

Signed-off-by: Robin Gong <yibin.gong@nxp.com>
(cherry picked from commit 0cbc0fdc4cce2c292aded56619d1001f7c936a6f)

diff --git a/arch/arm/boot/dts/imx7ulp-evk.dts b/arch/arm/boot/dts/imx7ulp-evk.dts
index 1009eff..ee7488d 100644 (file)
--- a/arch/arm/boot/dts/imx7ulp-evk.dts
+++ b/arch/arm/boot/dts/imx7ulp-evk.dts
@@ -401,6 +401,13 @@
 };
 
 &rpmsg{
+       /*
+        * 64K for one rpmsg instance, default using 2 rpmsg instances:
+        * --0x9FF00000~0x9FF01FFF: pingpong
+        * --0x9FF10000~0x9FF11FFF: pmic
+        */
+       vdev-nums = <2>;
+       reg = <0x9FF00000 0x20000>;
        status = "okay";
 };