[PATCH V4] dt-bindings: mailbox : arm,mhuv2: Add bindings

[Rob Herring]

On Mon, Oct 12, 2020 at 11:32 PM Viresh Kumar <viresh.kumar at linaro.org> wrote:
>
> This patch adds device tree binding for ARM Message Handling Unit (MHU)
> controller version 2.
>
> Based on earlier work by Morten Borup Petersen.
>
> Co-developed-by: Tushar Khandelwal <tushar.khandelwal at arm.com>
> Signed-off-by: Tushar Khandelwal <tushar.khandelwal at arm.com>
> Signed-off-by: Viresh Kumar <viresh.kumar at linaro.org>
>
> ---
> V3->V4:
> - Made interrupts property compulsory for receiver
> - Added interrupts for both nodes in example
> - Fixed min/max items for protocols property
> - Don't add -tx/rx to node's name.
>
> V2->V3:
> - compatible is changed to arm-mhuv2-tx/rx. Later version of MHUv2
>   have an interrupt in the sender mode as well and we can't find if a
>   mailbox is sender or receiver just based on an interrupt anymore. We
>   needed a better way.
>
> - arm-mhuv2-mode is renamed to arm,mhuv2-protocols to fit the purpose
>   better.
>
> - Minor formatting otherwise.
>
> Morten: Please let me know if you want me to add your signoff here from
> some other email id as you no longer work with ARM.
> ---
>  .../bindings/mailbox/arm,mhuv2.yaml           | 215 ++++++++++++++++++
>  1 file changed, 215 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mailbox/arm,mhuv2.yaml

Reviewed-by: Rob Herring <robh at kernel.org>