On Sun, Sep 17, 2023 at 7:55 PM Peng Fan (OSS) <peng.fan@xxxxxxxxxxx> 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@xxxxxxx> Reviewed-by: Daniel Baluta <daniel.baluta@xxxxxxx> > --- > 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@xxxxxxx> >
