Re: [PATCH 1/2] dt-bindings: mailbox: Add the Spreadtrum mailbox documentation

From: Rob Herring
Date: Thu Mar 12 2020 - 15:16:20 EST


On Fri, Mar 06, 2020 at 02:07:21PM +0800, Baolin Wang wrote:
> From: Baolin Wang <baolin.wang@xxxxxxxxxx>
>
> Add the Spreadtrum mailbox documentation.
>
> Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxx>
> Signed-off-by: Baolin Wang <baolin.wang7@xxxxxxxxx>
> ---
> .../devicetree/bindings/mailbox/sprd-mailbox.yaml | 56 ++++++++++++++++++++++
> 1 file changed, 56 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mailbox/sprd-mailbox.yaml
>
> diff --git a/Documentation/devicetree/bindings/mailbox/sprd-mailbox.yaml b/Documentation/devicetree/bindings/mailbox/sprd-mailbox.yaml
> new file mode 100644
> index 0000000..2f2fdcf
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mailbox/sprd-mailbox.yaml
> @@ -0,0 +1,56 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/mailbox/sprd-mailbox.yaml#";
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#";
> +
> +title: Spreadtrum mailbox controller bindings
> +
> +maintainers:
> + - Orson Zhai <orsonzhai@xxxxxxxxx>
> + - Baolin Wang <baolin.wang7@xxxxxxxxx>
> + - Chunyan Zhang <zhang.lyra@xxxxxxxxx>
> +
> +properties:
> + compatible:
> + enum:
> + - sprd,sc9860-mailbox
> +
> + reg:
> + minItems: 2

Need to define what each entry is.

> +
> + interrupts:
> + minItems: 2
> + description:
> + Contains the inbox and outbox interrupt information.

The description should be split to define each entry:

items:
- description: inbox interrupt
- description: outbox interrupt

> +
> + clocks:
> + maxItems: 1
> +
> + clock-names:
> + items:
> + - const: enable
> +
> + "#mbox-cells":
> + const: 1
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - "#mbox-cells"
> + - clocks
> + - clock-names

Add:

additionalProperties: false

> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + mailbox: mailbox@400a0000 {
> + compatible = "sprd,sc9860-mailbox";
> + reg = <0 0x400a0000 0 0x8000>, <0 0x400a8000 0 0x8000>;
> + #mbox-cells = <1>;
> + clock-names = "enable";
> + clocks = <&aon_gate 53>;
> + interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
> + };
> +...
> --
> 1.9.1
>