[PATCH 3/6] dt-bindings: add bindings for polarfire soc mailbox

[Conor.Dooley at microchip.com]

On 20/11/2020 00:14, Damien Le Moal wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
> On 2020/11/20 2:05, conor.dooley at microchip.com wrote:
>> From: Conor Dooley <conor.dooley at microchip.com>
>>
>> Add device tree bindings for the MSS system controller mailbox on
>> the Microchip PolarFire SoC.
>>
>> Signed-off-by: Conor Dooley <conor.dooley at microchip.com>
>> ---
>>  .../mailbox/microchip,mpfs-mailbox.yaml       | 46 +++++++++++++++++++
>>  1 file changed, 46 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/mailbox/microchip,mpfs-mailbox.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/mailbox/microchip,mpfs-mailbox.yaml b/Documentation/devicetree/bindings/mailbox/microchip,mpfs-mailbox.yaml
>> new file mode 100644
>> index 000000000000..5d6ccaa13dc2
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/mailbox/microchip,mpfs-mailbox.yaml
>> @@ -0,0 +1,46 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: "http://devicetree.org/schemas/mailbox/microchip,mpfs-mailbox.yaml#"
>> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
>> +
>> +title: Microchip MPFS mss mailbox controller
>> +
>> +maintainers:
>> +  - Conor Dooley <conor.dooley at microchip.com>
>> +
>> +properties:
>> +  compatible:
>> +    const: microchip,polarfire-soc-mailbox # PolarFire
>> +
>> +  reg:
>> +    items:
>> +      - description: mailbox data registers
>> +      - description: mailbox int registers
>> +    maxItems: 2
>> +
>> +  interrupts:
>> +    maxItems: 1
>> +
>> +  "#mbox-cells":
>> +    const: 1
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - interrupt-parent
> This one is not listed as a property above.
> Did you run "make dt_binding_check" ?
I did, causes a fail if it is listed as a property. I'm going to remove it entirely in V2.
>> +  - interrupts
>> +  - "#mbox-cells"
>> +
>> +unevaluatedProperties: false
>> +additionalProperties: false
>> +
>> +examples:
>> +  - |
>> +    mailbox at 37020000 {
>> +      compatible = "microchip,polarfire-soc-mailbox";
>> +      reg = <0x0 0x37020000 0x0 0x1000>, <0x0 0x2000318c 0x0 0x40>;
>> +      interrupt-parent = <&L1>;
>> +      interrupts = <96>;
>> +      #mbox-cells = <1>;
>> +    };
>>
>
> --
> Damien Le Moal
> Western Digital Research