Re: [PATCH v2 06/10] media: dt-bindings: Document SAMA5D4 VDEC bindings

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On Thu, Mar 11, 2021 at 03:40:51PM +0000, Emil Velikov wrote:
> From: Emil Velikov <emil.velikov@xxxxxxxxxxxxx>
> 
> Add devicetree binding documentation for the Hantro G1/G2 VDEC on
> the Microchip SAMAS5D4 SoC.
> 
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: Frank Rowand <frowand.list@xxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx>
> Signed-off-by: Emil Velikov <emil.velikov@xxxxxxxxxxxxx>
> ---
> v2
>  - Newly introduced
>  - s/Atmel/Microchip/ (Nicolas)
>  - Drop leading 0 in node name/address
> ---
>  .../media/microchip,sama5d4-vdec.yaml         | 59 +++++++++++++++++++
>  1 file changed, 59 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/microchip,sama5d4-vdec.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/microchip,sama5d4-vdec.yaml b/Documentation/devicetree/bindings/media/microchip,sama5d4-vdec.yaml
> new file mode 100644
> index 000000000000..9cb2c0295d54
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/microchip,sama5d4-vdec.yaml
> @@ -0,0 +1,59 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/media/microchip,sama5d4-vdec.yaml#";
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#";
> +
> +title: Hantro G1 VPU codec implemented on Microchip SAMA5D4 SoCs
> +
> +maintainers:
> +  - Emil Velikov <emil.velikov@xxxxxxxxxxxxx>
> +
> +description:
> +  Hantro G1 video decode accelerator present on Microchip SAMA5D4 SoCs.
> +
> +properties:
> +  compatible:
> +    const: microchip,sama5d4-vdec
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  interrupt-names:
> +    items:
> +      - const: vdec

Why do you need a name? *-names are used to distinguish multiple entries 
and don't add anything if only a single entry.

> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-names:
> +    items:
> +      - const: vdec_clk

And here too? These are typically named for either the name of input 
signal (hclk, aclk, etc.) or function ('core', 'bus', etc.). 

> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - interrupt-names
> +  - clocks
> +  - clock-names
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +        #include <dt-bindings/clock/at91.h>
> +        #include <dt-bindings/interrupt-controller/irq.h>
> +
> +        vdec0: vdec@300000 {
> +                compatible = "microchip,sama5d4-vdec";
> +                reg = <0x00300000 0x100000>;
> +                interrupts = <19 IRQ_TYPE_LEVEL_HIGH 4>;
> +                interrupt-names = "vdec";
> +                clocks = <&pmc PMC_TYPE_PERIPHERAL 19>;
> +                clock-names = "vdec_clk";
> +        };
> -- 
> 2.30.1
> 



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