To support the detach feature, add a new mailbox channel to inform
the remote processor on a detach. This signal allows the remote processor
firmware to stop IPC communication and to reinitialize the resources for
a re-attach.
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@xxxxxxxxxxx>
---
arch/arm/boot/dts/stm32mp157c-ed1.dts | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/stm32mp157c-ed1.dts b/arch/arm/boot/dts/stm32mp157c-ed1.dts
index 95b08876b2b3..46b471d09c50 100644
--- a/arch/arm/boot/dts/stm32mp157c-ed1.dts
+++ b/arch/arm/boot/dts/stm32mp157c-ed1.dts
@@ -313,8 +313,8 @@
&m4_rproc {
memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,
<&vdev0vring1>, <&vdev0buffer>;
- mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;
- mbox-names = "vq0", "vq1", "shutdown";
+ mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>, <&ipcc 3>;
+ mbox-names = "vq0", "vq1", "shutdown", "detach";
interrupt-parent = <&exti>;
interrupts = <68 1>;
status = "okay";
--
2.17.1
