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arm64: dts: ti: k3-am62: Enable Mailbox nodes at the board level

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Mailbox nodes defined in the top-level AM62x SoC dtsi files are
incomplete and may not be functional unless they are extended with a
chosen interrupt and connection to a remote processor.

As the remote processors depend on memory nodes which are only known at
the board integration level, these nodes should only be enabled when
provided with the above information.

Disable the Mailbox nodes in the dtsi files and only enable the ones
that are actually used on a given board.

Signed-off-by: Beleswar Padhi <b-padhi@ti.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Acked-by: Andrew Davis <afd@ti.com>
Link: https://patch.msgid.link/20250908142826.1828676-11-b-padhi@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
This commit is contained in:
Beleswar Padhi
2025-09-08 19:58:02 +05:30
committed by Nishanth Menon
parent c3fc9c1c1a
commit bc590db1b5
3 changed files with 5 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm64/boot/dts/ti/k3-am62-main.dtsi
View File

@@ -808,6 +808,7 @@ mailbox0_cluster0: mailbox@29000000 {
#mbox-cells = <1>;
ti,mbox-num-users = <4>;
ti,mbox-num-fifos = <16>;
status = "disabled";
};
ecap0: pwm@23100000 {

2
arch/arm64/boot/dts/ti/k3-am62-pocketbeagle2.dts
View File

@@ -293,6 +293,8 @@ &epwm2 {
};
&mailbox0_cluster0 {
status = "okay";
mbox_m4_0: mbox-m4-0 {
ti,mbox-rx = <0 0 0>;
ti,mbox-tx = <1 0 0>;

2
arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi
View File

@@ -1317,6 +1317,8 @@ &main_i2c3 {
};
&mailbox0_cluster0 {
status = "okay";
mbox_m4_0: mbox-m4-0 {
ti,mbox-rx = <0 0 0>;
ti,mbox-tx = <1 0 0>;