Message ID | 20210614164940.27153-2-arnaud.pouliquen@foss.st.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | Add new IPCC mailbox to support the coprocessor detach on some stm32mp15x boards | expand |
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";
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@foss.st.com> --- arch/arm/boot/dts/stm32mp157c-ed1.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)