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SubjectRe: [PATCH 0/2] mailbox: imx: support new tx doorbell
On Sun, Sep 17, 2023 at 7:55 PM Peng Fan (OSS) <peng.fan@oss.nxp.com> wrote:
>
> The new added channel type is for i.MX95 SCMI mailbox usage.
>
> i.MX95 using TX doorbell and RX doorbell for the SCMI mailbox transport.
> For TX doorbell, we relies on software reply from the other side in
> SCMI driver side using mbox_client_txdone to drive the tx tick.
>
> But the current MU tx doorbell using tasklet to emulate hardware ACK
> from mailbox driver side, so add a new doorbell type to support i.MX95
> SCMI mailbox transport.
>
> Signed-off-by: Peng Fan <peng.fan@nxp.com>

Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>


> ---
> Peng Fan (2):
> dt-bindings: mailbox: fsl,mu: add new tx doorbell channel
> mailbox: imx: support channel type tx doorbell v2
>
> .../devicetree/bindings/mailbox/fsl,mu.yaml | 5 ++--
> drivers/mailbox/imx-mailbox.c | 32 ++++++++++++++++++++--
> 2 files changed, 32 insertions(+), 5 deletions(-)
> ---
> base-commit: e143016b56ecb0fcda5bb6026b0a25fe55274f56
> change-id: 20230916-imx95-mbox-88437c51ce54
>
> Best regards,
> --
> Peng Fan <peng.fan@nxp.com>
>

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