c2a4799838
Signed-off-by: Steven Liu <steven.liu@rock-chips.com> Change-Id: I1a114f460ba751e4f348aa134410cbf86eab2503
47 lines
1.1 KiB
Plaintext
47 lines
1.1 KiB
Plaintext
* Rockchip RPMsg Platform Driver
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The Rockchip RPMsg Platform Driver is used for Remote Processors Messaging.
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Required Properties:
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- compatible: should be one of the following.
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"rockchip,rk3568-rpmsg" for rk3568 SoCs.
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- mbox-names: mailbox name for "rpmsg-rx" or "rpmsg-tx".
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- mboxes: mailbox channel for rpmsg.
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- rockchip,vdev-nums: number of rpmsg instance.
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- rockchip,link-id: link_id of rpmsg instance. 4bit for master cpu_id and 4bit
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for remote cpu_id.
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Optional Properties:
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Example:
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rpmsg: rpmsg {
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compatible = "rockchip,rk3568-rpmsg";
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mbox-names = "rpmsg-rx", "rpmsg-tx";
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mboxes = <&mailbox 0 &mailbox 3>;
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rockchip,vdev-nums = <1>;
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rockchip,link-id = <0x03>;
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reg = <0x0 0x7c00000 0x0 0x20000>;
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memory-region = <&rpmsg_dma_reserved>;
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status = "okay";
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};
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reserved-memory {
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#address-cells = <2>;
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#size-cells = <2>;
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ranges;
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rpmsg_reserved: rpmsg@7c00000 {
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reg = <0x0 0x7c00000 0x0 0x400000>;
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no-map;
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};
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rpmsg_dma_reserved: rpmsg-dma@8000000 {
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compatible = "shared-dma-pool";
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reg = <0x0 0x8000000 0x0 0x100000>;
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no-map;
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};
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};
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