Re: [PATCH v4 17/18] dt: bindings: net: add microchip,wilc1000,spi.yaml

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On 03/03/20 7:32 am, Rob Herring wrote:
> 
> On Mon, Mar 02, 2020 at 04:34:40PM +0000, Ajay.Kathat@xxxxxxxxxxxxx wrote:
>> From: Ajay Singh <ajay.kathat@xxxxxxxxxxxxx>
>>
>> Moved '/drivers/staging/wilc1000//microchip,wilc1000,spi.yaml' to
>> 'Documentation/devicetree/bindings/net/wireless/microchip,wilc1000,spi.yaml'.
> 
> Not a useful changelog.
> 

Sure. I will update the changelog.

> I think this should be combined with the SDIO version. Details below.
> 
>>
>> Signed-off-by: Ajay Singh <ajay.kathat@xxxxxxxxxxxxx>
>> ---
>>  .../net/wireless/microchip,wilc1000,spi.yaml  | 61 +++++++++++++++++++
>>  1 file changed, 61 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/net/wireless/microchip,wilc1000,spi.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/net/wireless/microchip,wilc1000,spi.yaml b/Documentation/devicetree/bindings/net/wireless/microchip,wilc1000,spi.yaml
>> new file mode 100644
>> index 000000000000..cc8ed64ce627
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/net/wireless/microchip,wilc1000,spi.yaml
>> @@ -0,0 +1,61 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/net/wireless/microchip,wilc1000,spi.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Microchip WILC wireless SPI devicetree bindings
>> +
>> +maintainers:
>> +  - Adham Abozaeid <adham.abozaeid@xxxxxxxxxxxxx>
>> +  - Ajay Singh <ajay.kathat@xxxxxxxxxxxxx>
>> +
>> +description:
>> +  The wilc1000 chips can be connected via SPI. This document describes
>> +  the binding for the SPI connected module.
>> +
>> +properties:
>> +  compatible:
>> +    const: microchip,wilc1000-spi
> 
> You can drop '-spi' (and '-sdio'). They don't need to be different
> because they already sit on different buses.
> 

In that case, we should use only a single DT binding documentation and
keep both example inside the same file i.e We will have single
properties descriptions with 2 examples(sdio/spi) in a single DT binding
document. Is my understanding correct?

>> +
>> +  spi-max-frequency:
>> +    description: Maximum SPI clocking speed of device in Hz.
>> +    maxItems: 1
>> +
>> +  reg:
>> +    description: Chip select address of device.
>> +    maxItems: 1
>> +
>> +  irq-gpios:
>> +    description: The GPIO phandle connect to a host IRQ.
>> +    maxItems: 1
>> +
>> +  clocks:
>> +    description: phandle to the clock connected on rtc clock line.
>> +    maxItems: 1
>> +
>> +required:
>> +  - compatible
>> +  - spi-max-frequency
> 
> This should not be required.
> 

Ok. I will drop this.

>> +  - reg
>> +  - irq-gpios
>> +
>> +examples:
>> +  - |
>> +    spi1: spi@fc018000 {
>> +      #address-cells = <1>;
>> +      #size-cells = <0>;
>> +      cs-gpios = <&pioB 21 0>;
>> +      status = "okay";
>> +      wilc_spi@0 {
>> +        compatible = "microchip,wilc1000-spi";
>> +        spi-max-frequency = <48000000>;
>> +        reg = <0>;
>> +        irq-gpios = <&pioC 27 0>;
>> +        clocks = <&pck1>;
>> +        clock-names = "rtc_clk";
> 
> Not documented. '_clk' is redundant.
> 

Ok. I will update the clock-names and add the description.

>> +        assigned-clocks = <&pck1>;
>> +        assigned-clock-rates = <32768>;
> 
> Not documented.
> 

Ok. I will add the description.


Regards,
Ajay




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