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authorBeleswar Padhi <b-padhi@ti.com>2025-09-08 17:28:02 +0300
committerNishanth Menon <nm@ti.com>2025-09-12 07:15:30 +0300
commitbc590db1b5fe999d056ba66dc1990288c14f1ec3 (patch)
tree04bc2d7d36eb572ddce5f187111039fc958ee98c /arch
parentc3fc9c1c1ac8f64ef333858ea42676889448a248 (diff)
downloadlinux-bc590db1b5fe999d056ba66dc1990288c14f1ec3.tar.xz
arm64: dts: ti: k3-am62: Enable Mailbox nodes at the board level
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/boot/dts/ti/k3-am62-main.dtsi1
-rw-r--r--arch/arm64/boot/dts/ti/k3-am62-pocketbeagle2.dts2
-rw-r--r--arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi2
3 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
index 029380dc1a35..40fb3c9e674c 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
@@ -808,6 +808,7 @@
#mbox-cells = <1>;
ti,mbox-num-users = <4>;
ti,mbox-num-fifos = <16>;
+ status = "disabled";
};
ecap0: pwm@23100000 {
diff --git a/arch/arm64/boot/dts/ti/k3-am62-pocketbeagle2.dts b/arch/arm64/boot/dts/ti/k3-am62-pocketbeagle2.dts
index 2e4cf65ee323..2eee5f638e0f 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-pocketbeagle2.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62-pocketbeagle2.dts
@@ -293,6 +293,8 @@
};
&mailbox0_cluster0 {
+ status = "okay";
+
mbox_m4_0: mbox-m4-0 {
ti,mbox-rx = <0 0 0>;
ti,mbox-tx = <1 0 0>;
diff --git a/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi b/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi
index bc2289d74774..bbf2d630b305 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi
@@ -1317,6 +1317,8 @@
};
&mailbox0_cluster0 {
+ status = "okay";
+
mbox_m4_0: mbox-m4-0 {
ti,mbox-rx = <0 0 0>;
ti,mbox-tx = <1 0 0>;