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ARM: dts: DRA74x: Add IPC sub-mailbox nodes for all IPUs & DSPs 

Add the sub-mailbox nodes that are used to communicate between
MPU and the remote processors IPU1, IPU2, DSP1 and DSP2.

The sub-mailbox nodes utilize the System Mailbox instances 5 and 6.
These sub-mailbox nodes are added to match the hard-coded mailbox
configuration used within the TI IPC 3.x software package. The
Dual-Cortex M4 IPU1 and IPU2 processor sub-systems are assumed to
be running in SMP-mode, and hence only a single sub-mailbox node
is added for each.

All these sub-mailbox nodes are left in disabled state, and should
be enabled (and modified if needed) as per the individual product
configuration in the corresponding board dts files.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Suman Anna 2015-09-18 13:16:30 -05:00 committed by Tony Lindgren
parent c72bfb883d
commit a9c8f117f4
1 changed files with 26 additions and 0 deletions
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26
arch/arm/boot/dts/dra74x.dtsi
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@ -93,3 +93,29 @@
<&dss_video2_clk>;
clock-names = "fck", "video1_clk", "video2_clk";
};
&mailbox5 {
mbox_ipu1_ipc3x: mbox_ipu1_ipc3x {
ti,mbox-tx = <6 2 2>;
ti,mbox-rx = <4 2 2>;
status = "disabled";
};
mbox_dsp1_ipc3x: mbox_dsp1_ipc3x {
ti,mbox-tx = <5 2 2>;
ti,mbox-rx = <1 2 2>;
status = "disabled";
};
};
&mailbox6 {
mbox_ipu2_ipc3x: mbox_ipu2_ipc3x {
ti,mbox-tx = <6 2 2>;
ti,mbox-rx = <4 2 2>;
status = "disabled";
};
mbox_dsp2_ipc3x: mbox_dsp2_ipc3x {
ti,mbox-tx = <5 2 2>;
ti,mbox-rx = <1 2 2>;
status = "disabled";
};
};