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

[Viresh Kumar]

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 at arm.com>
> ---
>  drivers/mailbox/Makefile     |   2 +-
>  drivers/mailbox/arm_mhu_db.c | 359 +++++++++++++++++++++++++++++++++++

Please put an entry in MAINTAINERS as well for this.

-- 
viresh