linux-kernel - Re: [PATCH] dt-bindings: spi: xilinx: convert to yaml

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Message-ID: <CABMQnV+ZjcrzZEZpaBBvO+VW8kV_2qWXwNPE7gYCdfcqa-UFkA@mail.gmail.com>
Date:   Sat, 5 Jun 2021 09:18:39 +0900
From:   Nobuhiro Iwamatsu <iwamatsu@...auri.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Michal Simek <michal.simek@...inx.com>,
        Mark Brown <broonie@...nel.org>,
        linux-spi <linux-spi@...r.kernel.org>,
        devicetree@...r.kernel.org,
        linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] dt-bindings: spi: xilinx: convert to yaml

Hi,

Thanks for your review.

2021年6月5日(土) 6:33 Rob Herring <robh@...nel.org>:
>
> On Mon, May 31, 2021 at 02:21:42PM +0900, Nobuhiro Iwamatsu wrote:
> > Convert SPI for Xilinx bindings documentation to YAML schemas.
> >
> > Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@...auri.org>
> > ---
> >  .../devicetree/bindings/spi/spi-xilinx.txt    | 23 ---------
> >  .../devicetree/bindings/spi/spi-xilinx.yaml   | 51 +++++++++++++++++++
> >  2 files changed, 51 insertions(+), 23 deletions(-)
> >  delete mode 100644 Documentation/devicetree/bindings/spi/spi-xilinx.txt
> >  create mode 100644 Documentation/devicetree/bindings/spi/spi-xilinx.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/spi/spi-xilinx.txt b/Documentation/devicetree/bindings/spi/spi-xilinx.txt
> > deleted file mode 100644
> > index 5f4ed3e5c9942c..00000000000000
> > --- a/Documentation/devicetree/bindings/spi/spi-xilinx.txt
> > +++ /dev/null
> > @@ -1,23 +0,0 @@
> > -Xilinx SPI controller Device Tree Bindings
> > --------------------------------------------------
> > -
> > -Required properties:
> > -- compatible         : Should be "xlnx,xps-spi-2.00.a", "xlnx,xps-spi-2.00.b" or "xlnx,axi-quad-spi-1.00.a"
> > -- reg                        : Physical base address and size of SPI registers map.
> > -- interrupts         : Property with a value describing the interrupt
> > -                       number.
> > -
> > -Optional properties:
> > -- xlnx,num-ss-bits    : Number of chip selects used.
> > -- xlnx,num-transfer-bits : Number of bits per transfer. This will be 8 if not specified
> > -
> > -Example:
> > -     axi_quad_spi@...00000 {
> > -                     compatible = "xlnx,xps-spi-2.00.a";
> > -                     interrupt-parent = <&intc>;
> > -                     interrupts = <0 31 1>;
> > -                     reg = <0x41e00000 0x10000>;
> > -                     xlnx,num-ss-bits = <0x1>;
> > -                     xlnx,num-transfer-bits = <32>;
> > -     };
> > -
> > diff --git a/Documentation/devicetree/bindings/spi/spi-xilinx.yaml b/Documentation/devicetree/bindings/spi/spi-xilinx.yaml
> > new file mode 100644
> > index 00000000000000..17463151b36a02
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/spi/spi-xilinx.yaml
> > @@ -0,0 +1,51 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/spi/spi-xilinx.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Xilinx SPI controller Device Tree Bindings
> > +
> > +maintainers:
> > +  - Michal Simek <michal.simek@...inx.com>
> > +
> > +allOf:
> > +  - $ref: "spi-controller.yaml#"
> > +
> > +properties:
> > +  compatible:
> > +    oneOf:
> > +      - const: xlnx,xps-spi-2.00.a
> > +      - const: xlnx,xps-spi-2.00.b
> > +      - const: xlnx,axi-quad-spi-1.00.a
>
> Use enum instead of oneOf+const.

OK, I will change using enum.

>
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  interrupts:
> > +    maxItems: 1
> > +
> > +  xlnx,num-ss-bits:
> > +    description: Number of chip selects used.
>
> Constraints? 0-2^32 is good?

I will add constraints.

>
> > +
> > +  xlnx,num-transfer-bits:
> > +    description: Number of bits per transfer. This will be 8 if not specified.
>
> Constraints?

Same above.

Best regards,
  Nobuhiro

-- 
Nobuhiro Iwamatsu
   iwamatsu at {nigauri.org / debian.org}
   GPG ID: 40AD1FA6