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Message-ID: <20240215142836.GA1186-robh@kernel.org>
Date: Thu, 15 Feb 2024 08:28:36 -0600
From: Rob Herring <robh@...nel.org>
To: Alexey Romanov <avromanov@...utedevices.com>
Cc: neil.armstrong@...aro.org, clabbe@...libre.com,
herbert@...dor.apana.org.au, davem@...emloft.net,
krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
khilman@...libre.com, jbrunet@...libre.com,
martin.blumenstingl@...glemail.com, vadim.fedorenko@...ux.dev,
linux-crypto@...r.kernel.org, linux-amlogic@...ts.infradead.org,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, kernel@...utedevices.com
Subject: Re: [PATCH v4 16/20] dt-bindings: crypto: meson: support new SoC's
On Mon, Feb 12, 2024 at 04:51:04PM +0300, Alexey Romanov wrote:
> Now crypto module available at G12A/G12B/S4/A1/SM1/AXG.
>
> 1. Add new compatibles:
> - amlogic,g12a-crypto
> - amlogic,s4-crypto (uses g12a-crypto as fallback)
> - amlogic,a1-crypto (uses g12a-crypto as fallback)
> - amlogic,axg-crypto
>
> 2. All SoC's, exclude GXL, doesn't take a clock input for
> Crypto IP. Make it required only for amlogic,gxl-crypto.
>
> 3. All SoC's, exclude GXL, uses only one interrupt flow
> for Crypto IP.
>
> 4. Add power-domains in schema.
>
> Signed-off-by: Alexey Romanov <avromanov@...utedevices.com>
> ---
> .../bindings/crypto/amlogic,gxl-crypto.yaml | 43 ++++++++++++++++---
> 1 file changed, 36 insertions(+), 7 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/crypto/amlogic,gxl-crypto.yaml b/Documentation/devicetree/bindings/crypto/amlogic,gxl-crypto.yaml
> index 948e11ebe4ee..41f0153d58c8 100644
> --- a/Documentation/devicetree/bindings/crypto/amlogic,gxl-crypto.yaml
> +++ b/Documentation/devicetree/bindings/crypto/amlogic,gxl-crypto.yaml
> @@ -11,20 +11,30 @@ maintainers:
>
> properties:
> compatible:
> - items:
> - - const: amlogic,gxl-crypto
> + oneOf:
> + - items:
> + - enum:
> + - amlogic,a1-crypto
> + - amlogic,s4-crypto
> + - const: amlogic,g12a-crypto
> + - enum:
> + - amlogic,gxl-crypto
> + - amlogic,axg-crypto
> + - amlogic,g12a-crypto
>
> reg:
> maxItems: 1
>
> interrupts:
> - items:
> - - description: Interrupt for flow 0
> - - description: Interrupt for flow 1
> + minItems: 1
> + maxItems: 2
Just keep the descrptions here and add 'minItems: 1'. Then in the
if/then schema, you only need minItems and maxItems to require 1 or 2
interrupts.
>
> clocks:
> maxItems: 1
>
> + power-domains:
> + maxItems: 1
> +
> clock-names:
> const: blkmv
>
> @@ -32,8 +42,27 @@ required:
> - compatible
> - reg
> - interrupts
> - - clocks
> - - clock-names
New chips work without clocks? Cool!
Rob
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