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arm64: dts: ti: k3-am64: Add M4F remoteproc node

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The AM64x SoCs of the TI K3 family have a Cortex M4F core in the MCU
domain. This core can be used by non safety applications as a remote
processor. When used as a remote processor with virtio/rpmessage IPC,
two carveout reserved memory nodes are needed.

Disable by default as this node is not complete until mailbox data
is provided in the board level DT.

Signed-off-by: Hari Nagalla <hnagalla@ti.com>
Signed-off-by: Andrew Davis <afd@ti.com>
Tested-by: Wadim Egorov <w.egorov@phytec.de>
Link: https://lore.kernel.org/r/20241003170118.24932-4-afd@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Hari Nagalla 2024-10-03 12:01:16 -05:00 committed by Vignesh Raghavendra
parent 23a6aba92e
commit ef1876ff76
1 changed files with 13 additions and 0 deletions
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13
arch/arm64/boot/dts/ti/k3-am64-mcu.dtsi
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@ -161,4 +161,17 @@ mcu_esm: esm@4100000 {
/* Interrupt sources: esm0_cfg, esm0_hi, esm0_low, mrti0 */
ti,esm-pins = <0>, <1>, <2>, <85>;
};
mcu_m4fss: m4fss@5000000 {
compatible = "ti,am64-m4fss";
reg = <0x00 0x5000000 0x00 0x30000>,
<0x00 0x5040000 0x00 0x10000>;
reg-names = "iram", "dram";
resets = <&k3_reset 9 1>;
firmware-name = "am64-mcu-m4f0_0-fw";
ti,sci = <&dmsc>;
ti,sci-dev-id = <9>;
ti,sci-proc-ids = <0x18 0xff>;
status = "disabled";
};
};