Re: [PATCH v1 1/3] dt-bindings: RNG: Add Rockchip RNG bindings

From: Krzysztof Kozlowski
Date: Mon Nov 14 2022 - 03:33:26 EST


On 12/11/2022 15:10, Aurelien Jarno wrote:
> Add the RNG bindings for the RK3568 SoC from Rockchip
>
> Signed-off-by: Aurelien Jarno <aurelien@xxxxxxxxxxx>
> ---
> .../devicetree/bindings/rng/rockchip-rng.yaml | 62 +++++++++++++++++++
> 1 file changed, 62 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/rng/rockchip-rng.yaml
>
> diff --git a/Documentation/devicetree/bindings/rng/rockchip-rng.yaml b/Documentation/devicetree/bindings/rng/rockchip-rng.yaml
> new file mode 100644
> index 000000000000..87d80e8ff7f2
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rng/rockchip-rng.yaml

Filename matching compatible, so "rockchip,rk3568-rng.yaml"

> @@ -0,0 +1,62 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/rng/rockchip,rk-rng.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Rockchip TRNG bindings

Drop "bindings"

> +
> +description:
> + This driver interface with the True Random Number Generator present in some

Drop "This driver interface" and make it a proper sentence. Bindings are
not about drivers.


> + Rockchip SoCs.
> +
> +maintainers:
> + - Aurelien Jarno <aurelien@xxxxxxxxxxx>
> +
> +properties:
> + compatible:
> + oneOf:

It's not a oneOf. Drop.

> + - const: rockchip,rk3568-rng
> +
> + reg:
> + maxItems: 1
> +
> + clocks:
> + minItems: 2

Drop minItems.

> + maxItems: 2
> +
> + clock-names:
> + items:
> + - const: clk
> + - const: hclk

You need to explain what are these in clocks. Also you need better
names. A clock name "clk" is useless.

> +
> + resets:
> + maxItems: 1
> +
> + reset-names:
> + items:
> + - const: reset

Drop reset-names entirely, not useful.

> +
> +required:
> + - compatible
> + - reg
> + - clocks
> + - clock-names
> + - resets
> + - reset-names

Best regards,
Krzysztof