linux-kernel - Re: [PATCH v6 19/23] dt-bindings: crypto: meson: support new SoC's

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Message-ID: <20240329-gore-eligible-cfdb8b14aee1@wendy>
Date: Fri, 29 Mar 2024 11:58:23 +0000
From: Conor Dooley <conor.dooley@...rochip.com>
To: Alexey Romanov <avromanov@...utedevices.com>
CC: Conor Dooley <conor@...nel.org>, "neil.armstrong@...aro.org"
	<neil.armstrong@...aro.org>, "clabbe@...libre.com" <clabbe@...libre.com>,
	"herbert@...dor.apana.org.au" <herbert@...dor.apana.org.au>,
	"davem@...emloft.net" <davem@...emloft.net>, "robh+dt@...nel.org"
	<robh+dt@...nel.org>, "krzysztof.kozlowski+dt@...aro.org"
	<krzysztof.kozlowski+dt@...aro.org>, "conor+dt@...nel.org"
	<conor+dt@...nel.org>, "khilman@...libre.com" <khilman@...libre.com>,
	"jbrunet@...libre.com" <jbrunet@...libre.com>,
	"martin.blumenstingl@...glemail.com" <martin.blumenstingl@...glemail.com>,
	"vadim.fedorenko@...ux.dev" <vadim.fedorenko@...ux.dev>,
	"linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
	"linux-amlogic@...ts.infradead.org" <linux-amlogic@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, kernel <kernel@...rdevices.ru>
Subject: Re: [PATCH v6 19/23] dt-bindings: crypto: meson: support new SoC's

On Fri, Mar 29, 2024 at 11:16:06AM +0000, Alexey Romanov wrote:
> Hello,
> 
> On Tue, Mar 26, 2024 at 06:04:46PM +0000, Conor Dooley wrote:
> > On Tue, Mar 26, 2024 at 06:32:15PM +0300, Alexey Romanov wrote:
> > > Now crypto module available at G12A/G12B/S4/A1/SM1/AXG.
> > > 
> > > 1. Add new compatibles:
> > >   - amlogic,g12a-crypto
> > >   - amlogic,axg-crypto
> > >   - amlogic,a1-crypto
> > >   - amlogic,s4-crypto (uses a1-crypto as fallback)
> > > 
> > > 2. Add power-domains in schema.
> > > 
> > > Signed-off-by: Alexey Romanov <avromanov@...utedevices.com>
> > > ---
> > >  .../bindings/crypto/amlogic,gxl-crypto.yaml       | 15 +++++++++++++--
> > >  1 file changed, 13 insertions(+), 2 deletions(-)
> > > 
> > > diff --git a/Documentation/devicetree/bindings/crypto/amlogic,gxl-crypto.yaml b/Documentation/devicetree/bindings/crypto/amlogic,gxl-crypto.yaml
> > > index d3af7b4d5f39..c92edde314aa 100644
> > > --- a/Documentation/devicetree/bindings/crypto/amlogic,gxl-crypto.yaml
> > > +++ b/Documentation/devicetree/bindings/crypto/amlogic,gxl-crypto.yaml
> > > @@ -11,8 +11,16 @@ maintainers:
> > >  
> > >  properties:
> > >    compatible:
> > > -    items:
> > > -      - const: amlogic,gxl-crypto
> > > +    oneOf:
> > > +      - items:
> > > +          - enum:
> > > +              - amlogic,s4-crypto
> > > +          - const: amlogic,a1-crypto
> > > +      - enum:
> > > +          - amlogic,gxl-crypto
> > > +          - amlogic,axg-crypto
> > > +          - amlogic,g12a-crypto
> > > +          - amlogic,a1-crypto
> > >  
> > >    reg:
> > >      maxItems: 1
> > > @@ -21,6 +29,9 @@ properties:
> > >      items:
> > >        - description: Interrupt for flow 0
> > >  
> > > +  power-domains:
> > > +    maxItems: 1
> > 
> > Is power-domains valid for the devices that existed prior to your patch?
> 
> For existed devices (GXL) power domain doesn't required.

Required or not I'm not interested in, it's whether or not the hardware
has them. The GXL does for the VPU, so it might also have one for the
the crypto. If the crypto is not in a power domain on gxl, please make
power-domains only permitted for SoCs that do have power domains.

Cheers,
Conor.

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