linux-kernel - Re: [PATCH v7 17/23] dt-bindings: crypto: meson: remove clk and second interrupt line for GXL

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Date: Mon, 6 May 2024 13:48:01 +0000
From: Alexey Romanov <avromanov@...utedevices.com>
To: Conor Dooley <conor@...nel.org>
CC: "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 v7 17/23] dt-bindings: crypto: meson: remove clk and
 second interrupt line for GXL

On Mon, Apr 15, 2024 at 05:43:15PM +0100, Conor Dooley wrote:
> On Thu, Apr 11, 2024 at 04:38:26PM +0300, Alexey Romanov wrote:
> > GXL crypto IP isn't connected to clk and seconnd interrput line,
> > so we must remove them from dt-bindings.
> 
> How does the device work without a clock?

It's clocked by a common clock, the vendor didn't provide more
information. It doesn't have any special clock domains.

> 
> Cheers,
> Conor.
> 
> > 
> > Fixes: 7f7d115dfb51 ("dt-bindings: crypto: Add DT bindings
> > documentation for amlogic-crypto")
> > 
> > Signed-off-by: Alexey Romanov <avromanov@...utedevices.com>
> > ---
> >  .../bindings/crypto/amlogic,gxl-crypto.yaml         | 13 +------------
> >  1 file changed, 1 insertion(+), 12 deletions(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/crypto/amlogic,gxl-crypto.yaml b/Documentation/devicetree/bindings/crypto/amlogic,gxl-crypto.yaml
> > index 948e11ebe4ee..d3af7b4d5f39 100644
> > --- a/Documentation/devicetree/bindings/crypto/amlogic,gxl-crypto.yaml
> > +++ b/Documentation/devicetree/bindings/crypto/amlogic,gxl-crypto.yaml
> > @@ -20,20 +20,11 @@ properties:
> >    interrupts:
> >      items:
> >        - description: Interrupt for flow 0
> > -      - description: Interrupt for flow 1
> > -
> > -  clocks:
> > -    maxItems: 1
> > -
> > -  clock-names:
> > -    const: blkmv
> >  
> >  required:
> >    - compatible
> >    - reg
> >    - interrupts
> > -  - clocks
> > -  - clock-names
> >  
> >  additionalProperties: false
> >  
> > @@ -46,7 +37,5 @@ examples:
> >      crypto: crypto-engine@...3e000 {
> >          compatible = "amlogic,gxl-crypto";
> >          reg = <0xc883e000 0x36>;
> > -        interrupts = <GIC_SPI 188 IRQ_TYPE_EDGE_RISING>, <GIC_SPI 189 IRQ_TYPE_EDGE_RISING>;
> > -        clocks = <&clkc CLKID_BLKMV>;
> > -        clock-names = "blkmv";
> > +        interrupts = <GIC_SPI 188 IRQ_TYPE_EDGE_RISING>;
> >      };
> > -- 
> > 2.34.1
> > 




-- 
Thank you,
Alexey