linux-kernel - Re: [PATCH v2 2/4] dt-bindings: crypto: Add DT bindings documentation for sun8i-ss Security System

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Date:   Thu, 24 Oct 2019 08:50:05 +0200
From:   Maxime Ripard <mripard@...nel.org>
To:     Corentin Labbe <clabbe.montjoie@...il.com>
Cc:     davem@...emloft.net, herbert@...dor.apana.org.au,
        mark.rutland@....com, robh+dt@...nel.org, wens@...e.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com
Subject: Re: [PATCH v2 2/4] dt-bindings: crypto: Add DT bindings
 documentation for sun8i-ss Security System

Hi,

On Wed, Oct 23, 2019 at 10:10:14PM +0200, Corentin Labbe wrote:
> This patch adds documentation for Device-Tree bindings of the
> Security System cryptographic offloader driver.
>
> Signed-off-by: Corentin Labbe <clabbe.montjoie@...il.com>
> ---
>  .../bindings/crypto/allwinner,sun8i-ss.yaml   | 64 +++++++++++++++++++
>  1 file changed, 64 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/crypto/allwinner,sun8i-ss.yaml
>
> diff --git a/Documentation/devicetree/bindings/crypto/allwinner,sun8i-ss.yaml b/Documentation/devicetree/bindings/crypto/allwinner,sun8i-ss.yaml
> new file mode 100644
> index 000000000000..99b7736975bc
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/crypto/allwinner,sun8i-ss.yaml
> @@ -0,0 +1,64 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/crypto/allwinner,sun8i-ss.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Allwinner Security System v2 driver
> +
> +maintainers:
> +  - Corentin Labbe <corentin.labbe@...il.com>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - allwinner,sun8i-a83t-crypto
> +      - allwinner,sun9i-a80-crypto
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: Bus clock
> +      - description: Module clock
> +
> +  clock-names:
> +    items:
> +      - const: bus
> +      - const: mod
> +
> +  resets:
> +    maxItems: 1

The A83t at least has a reset line, so please make a condition to have
it required.

> +  reset-names:
> +    const: bus

You don't need reset-names at all in that binding.

Maxime