On Tue, Apr 30, 2019 at 11:29 AM Ard Biesheuvel
<ard.biesheuvel@xxxxxxxxxx> wrote:
>
> Add a compatible string for the Atmel SHA204A I2C crypto processor.
>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/crypto/atmel-crypto.txt | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/crypto/atmel-crypto.txt b/Documentation/devicetree/bindings/crypto/atmel-crypto.txt
> index 6b458bb2440d..a93d4b024d0e 100644
> --- a/Documentation/devicetree/bindings/crypto/atmel-crypto.txt
> +++ b/Documentation/devicetree/bindings/crypto/atmel-crypto.txt
> @@ -79,3 +79,16 @@ atecc508a@c0 {
> compatible = "atmel,atecc508a";
> reg = <0xC0>;
> };
> +
> +* Symmetric Cryptography (I2C)
This doesn't really seem to be related to the rest of the file which
are all sub-blocks on SoCs. You could just add this one to
trivial-devices.yaml.
> +
> +Required properties:
> +- compatible : must be "atmel,atsha204a".
> +- reg: I2C bus address of the device.
> +- clock-frequency: must be present in the i2c controller node.
That's a property of the controller and doesn't belong here.
> +
> +Example:
> +atsha204a@c0 {
crypto@c0
> + compatible = "atmel,atsha204a";
> + reg = <0xC0>;
> +};
> --
> 2.20.1
>
