linux-kernel - RE: [EXTERNAL] Re: [PATCH v7 1/4] spi: dt-bindings: cadence: Add Marvell overlay bindings documentation for Cadence XSPI

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Message-ID: 
 <CO6PR18MB409866472BE353D6DAB3E361B0FB2@CO6PR18MB4098.namprd18.prod.outlook.com>
Date: Fri, 7 Jun 2024 15:12:53 +0000
From: Witold Sadowski <wsadowski@...vell.com>
To: Rob Herring <robh@...nel.org>
CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-spi@...r.kernel.org" <linux-spi@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "broonie@...nel.org" <broonie@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" <krzysztof.kozlowski+dt@...aro.org>,
        "conor+dt@...nel.org" <conor+dt@...nel.org>,
        "pthombar@...ence.com"
	<pthombar@...ence.com>
Subject: RE: [EXTERNAL] Re: [PATCH v7 1/4] spi: dt-bindings: cadence: Add
 Marvell overlay bindings documentation for Cadence XSPI

> ----------------------------------------------------------------------
> On Wed, May 29, 2024 at 03:00:23PM -0700, Witold Sadowski wrote:
> > Add new bindings for the v2 Marvell xSPI overlay:
> > marvell,cn10-xspi-nor compatible string. This new compatible string
> > distinguishes between the original and modified xSPI block.
> >
> > Also add an optional base for the xfer register set with an additional
> > reg field to allocate the xSPI Marvell overlay XFER block.
> >
> > Signed-off-by: Witold Sadowski <wsadowski@...vell.com>
> 
> Missing a tag.
> 
> But since you want it reviewed again...
> 
> > ---
> >  .../devicetree/bindings/spi/cdns,xspi.yaml    | 32 ++++++++++++++++---
> >  1 file changed, 28 insertions(+), 4 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/spi/cdns,xspi.yaml
> > b/Documentation/devicetree/bindings/spi/cdns,xspi.yaml
> > index eb0f92468185..49c6a2c82fc4 100644
> > --- a/Documentation/devicetree/bindings/spi/cdns,xspi.yaml
> > +++ b/Documentation/devicetree/bindings/spi/cdns,xspi.yaml
> > @@ -15,24 +15,27 @@ description: |
> >    single, dual, quad or octal wire transmission modes for
> >    read/write access to slaves such as SPI-NOR flash.
> >
> > -allOf:
> > -  - $ref: spi-controller.yaml#
> > -
> >  properties:
> >    compatible:
> > -    const: cdns,xspi-nor
> > +    enum:
> > +      - cdns,xspi-nor
> > +      - marvell,cn10-xspi-nor
> >
> >    reg:
> >      items:
> >        - description: address and length of the controller register set
> >        - description: address and length of the Slave DMA data port
> >        - description: address and length of the auxiliary registers
> > +      - description: address and length of the xfer registers
> > +    minItems: 3
> >
> >    reg-names:
> >      items:
> >        - const: io
> >        - const: sdma
> >        - const: aux
> > +      - const: xferbase
> 
> 'base' is redundant.

Ok

> 
> > +    minItems: 3
> >
> >    interrupts:
> >      maxItems: 1
> > @@ -42,6 +45,27 @@ required:
> >    - reg
> >    - interrupts
> >
> > +allOf:
> > +  - $ref: spi-controller.yaml#
> > +  - if:
> > +      properties:
> > +        compatible:
> > +          contains:
> > +            enum:
> > +              - marvell,cn10-xspi-nor
> > +    then:
> > +      properties:
> > +        reg:
> > +          minItems: 4
> > +        reg-names:
> > +          minItems: 4
> > +    else:
> > +      properties:
> > +        reg:
> > +          maxItems: 3
> > +        reg-names:
> > +          maxItems: 3
> > +
> >  unevaluatedProperties: false
> >
> >  examples:
> > --
> > 2.43.0
> >