| Message ID | 20210614164940.27153-3-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/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi index 59f18846cf5d..06c11bad882a 100644 --- a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi +++ b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi @@ -470,8 +470,8 @@ &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/stm32mp15xx-dkx.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)