linux-kernel - RE: [EXTERNAL] Re: [PATCH v5 2/5] spi: dt-bindings: cadence: Add Marvell overlay bindings documentation for Cadence XSPI

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Date: Wed, 29 May 2024 07:40:05 +0000
From: Witold Sadowski <wsadowski@...vell.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        "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>
CC: "broonie@...nel.org" <broonie@...nel.org>,
        "robh@...nel.org"
	<robh@...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 v5 2/5] spi: dt-bindings: cadence: Add
 Marvell overlay bindings documentation for Cadence XSPI



> On 27/05/2024 10:42, 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>
> > ---
> >  .../devicetree/bindings/spi/cdns,xspi.yaml    | 38 +++++++++++++++----
> >  1 file changed, 31 insertions(+), 7 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/spi/cdns,xspi.yaml
> > b/Documentation/devicetree/bindings/spi/cdns,xspi.yaml
> > index eb0f92468185..d6b8b2a2ecf5 100644
> > --- a/Documentation/devicetree/bindings/spi/cdns,xspi.yaml
> > +++ b/Documentation/devicetree/bindings/spi/cdns,xspi.yaml
> > @@ -15,33 +15,57 @@ 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
> > +
> > +  interrupts:
> > +    maxItems: 1
> 
> Items got re-ordered. Keep previous order which matches expected style
> (see also DTS coding style).

Ok.

> 
> >
> >    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
> > -
> > -  interrupts:
> > -    maxItems: 1
> > +      - const: xferbase
> > +    minItems: 3
> >
> 
> 
> Best regards,
> Krzysztof

Regards
Witek