Re: [PATCH 4/4] mailbox: arm_mhu: Add ARM MHU doorbell driver

Sudeep Holla
2020-10-07T11:44:56Z

On Wed, Oct 07, 2020 at 11:35:25AM +0530, Viresh Kumar wrote:
> On 28-09-20, 12:44, Sudeep Holla wrote:
> > The MHU drives the signal using a 32-bit register, with all 32 bits
> > logically ORed together. The MHU provides a set of registers to enable
> > software to set, clear, and check the status of each of the bits of this
> > register independently. The use of 32 bits for each interrupt line
> > enables software to provide more information about the source of the
> > interrupt. For example, each bit of the register can be associated with
> > a type of event that can contribute to raising the interrupt.
> >
> > This patch adds a separate the MHU controller driver for doorbel mode
> > of operation using the extended DT binding to add support the same.
> >
> > Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
> > ---
> > drivers/mailbox/Makefile | 2 +-
> > drivers/mailbox/arm_mhu_db.c | 359 +++++++++++++++++++++++++++++++++++
>
> Please put an entry in MAINTAINERS as well for this.

Sure.

--
Regards,
Sudeep