From bc590db1b5fe999d056ba66dc1990288c14f1ec3 Mon Sep 17 00:00:00 2001 From: Beleswar Padhi Date: Mon, 8 Sep 2025 19:58:02 +0530 Subject: [PATCH] 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 Reviewed-by: Dhruva Gole Acked-by: Andrew Davis Link: https://patch.msgid.link/20250908142826.1828676-11-b-padhi@ti.com Signed-off-by: Nishanth Menon --- arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 1 + arch/arm64/boot/dts/ti/k3-am62-pocketbeagle2.dts | 2 ++ arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi | 2 ++ 3 files changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi index 029380dc1a35e..40fb3c9e674c0 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 2e4cf65ee3239..2eee5f638e0f2 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 bc2289d747745..bbf2d630b3052 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>; -- 2.47.3