linux-kernel - Re: [PATCH] dt-bindings: spi: Convert Freescale DSPI to json schema

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Date:   Tue, 16 Mar 2021 23:36:58 +0530
From:   Pratyush Yadav <p.yadav@...com>
To:     Michael Walle <michael@...le.cc>
CC:     Kuldeep Singh <kuldeep.singh@....com>, <linux-spi@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Vladimir Oltean <olteanv@...il.com>,
        <linux-mtd@...ts.infradead.org>
Subject: Re: [PATCH] dt-bindings: spi: Convert Freescale DSPI to json schema

On 16/03/21 06:45PM, Michael Walle wrote:
> Am 2021-03-15 19:30, schrieb Pratyush Yadav:
> 
> ..
> > > +patternProperties:
> > > +  "@[0-9a-f]+":
> 
> Shouldn't this be "^.*@[0-9a-f]+$"?

The pattern has to match _anywhere_ in the string so both should match 
the flash node. Your pattern is more "strict" or "precise". See the note 
at [0].

[0] https://json-schema.org/understanding-json-schema/reference/string.html#regular-expressions

> 
> > > +    type: object
> > > +
> > > +    properties:
> > > +      fsl,spi-cs-sck-delay:
> > > +        description:
> > > +          Delay in nanoseconds between activating chip select and
> > > the start of
> > > +          clock signal, at the start of a transfer.
> > > +        $ref: /schemas/types.yaml#/definitions/uint32
> > > +
> > > +      fsl,spi-sck-cs-delay:
> > > +        description:
> > > +          Delay in nanoseconds between stopping the clock signal and
> > > +          deactivating chip select, at the end of a transfer.
> > > +        $ref: /schemas/types.yaml#/definitions/uint32
> > > +
> ..
> 
> -michael

-- 
Regards,
Pratyush Yadav
Texas Instruments Inc.