1*4882a593Smuzhiyun* Rockchip RPMsg Platform Driver 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunThe Rockchip RPMsg Platform Driver is used for Remote Processors Messaging. 4*4882a593Smuzhiyun 5*4882a593SmuzhiyunRequired Properties: 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun- compatible: should be one of the following. 8*4882a593Smuzhiyun "rockchip,rk3568-rpmsg" for rk3568 SoCs. 9*4882a593Smuzhiyun- mbox-names: mailbox name for "rpmsg-rx" or "rpmsg-tx". 10*4882a593Smuzhiyun- mboxes: mailbox channel for rpmsg. 11*4882a593Smuzhiyun- rockchip,vdev-nums: number of rpmsg instance. 12*4882a593Smuzhiyun- rockchip,link-id: link_id of rpmsg instance. 4bit for master cpu_id and 4bit 13*4882a593Smuzhiyun for remote cpu_id. 14*4882a593Smuzhiyun 15*4882a593SmuzhiyunOptional Properties: 16*4882a593Smuzhiyun 17*4882a593SmuzhiyunExample: 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun rpmsg: rpmsg { 20*4882a593Smuzhiyun compatible = "rockchip,rk3568-rpmsg"; 21*4882a593Smuzhiyun mbox-names = "rpmsg-rx", "rpmsg-tx"; 22*4882a593Smuzhiyun mboxes = <&mailbox 0 &mailbox 3>; 23*4882a593Smuzhiyun rockchip,vdev-nums = <1>; 24*4882a593Smuzhiyun rockchip,link-id = <0x03>; 25*4882a593Smuzhiyun reg = <0x0 0x7c00000 0x0 0x20000>; 26*4882a593Smuzhiyun memory-region = <&rpmsg_dma_reserved>; 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun status = "okay"; 29*4882a593Smuzhiyun }; 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun reserved-memory { 32*4882a593Smuzhiyun #address-cells = <2>; 33*4882a593Smuzhiyun #size-cells = <2>; 34*4882a593Smuzhiyun ranges; 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun rpmsg_reserved: rpmsg@7c00000 { 37*4882a593Smuzhiyun reg = <0x0 0x7c00000 0x0 0x400000>; 38*4882a593Smuzhiyun no-map; 39*4882a593Smuzhiyun }; 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun rpmsg_dma_reserved: rpmsg-dma@8000000 { 42*4882a593Smuzhiyun compatible = "shared-dma-pool"; 43*4882a593Smuzhiyun reg = <0x0 0x8000000 0x0 0x100000>; 44*4882a593Smuzhiyun no-map; 45*4882a593Smuzhiyun }; 46*4882a593Smuzhiyun }; 47