linux-kernel - Re: [PATCH 01/16] dt-bindings: spi: Convert bcm63xx-hsspi bindings to json-schema

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Date:   Mon, 9 Jan 2023 09:48:28 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     William Zhang <william.zhang@...adcom.com>,
        Linux SPI List <linux-spi@...r.kernel.org>,
        Broadcom Kernel List <bcm-kernel-feedback-list@...adcom.com>
Cc:     anand.gore@...adcom.com, tomer.yacoby@...adcom.com,
        dan.beygelman@...adcom.com, joel.peshkin@...adcom.com,
        f.fainelli@...il.com, jonas.gorski@...il.com,
        kursad.oney@...adcom.com, dregan@...l.com,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 01/16] dt-bindings: spi: Convert bcm63xx-hsspi bindings to
 json-schema

On 09/01/2023 08:52, William Zhang wrote:
> 
> 
> On 01/07/2023 07:32 AM, Krzysztof Kozlowski wrote:
>> On 06/01/2023 21:07, William Zhang wrote:
>>> This is the preparation for updates on the bcm63xx hsspi driver. Convert
>>> the text based bindings to json-schema per new dts requirement.
>>>
>>> Signed-off-by: William Zhang <william.zhang@...adcom.com>
>>> ---
>>>
>>>   .../bindings/spi/brcm,bcm63xx-hsspi.yaml      | 52 +++++++++++++++++++
>>>   .../bindings/spi/spi-bcm63xx-hsspi.txt        | 33 ------------
>>>   2 files changed, 52 insertions(+), 33 deletions(-)
>>>   create mode 100644 Documentation/devicetree/bindings/spi/brcm,bcm63xx-hsspi.yaml
>>>   delete mode 100644 Documentation/devicetree/bindings/spi/spi-bcm63xx-hsspi.txt
>>>
>>> diff --git a/Documentation/devicetree/bindings/spi/brcm,bcm63xx-hsspi.yaml b/Documentation/devicetree/bindings/spi/brcm,bcm63xx-hsspi.yaml
>>> new file mode 100644
>>> index 000000000000..45f1417b1213
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/spi/brcm,bcm63xx-hsspi.yaml
>>> @@ -0,0 +1,52 @@
>>> +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
>>> +%YAML 1.2
>>> +---
>>> +$id: http://devicetree.org/schemas/spi/brcm,bcm63xx-hsspi.yaml#
>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>> +
>>> +title: Broadcom BCM6328 High Speed SPI controller
>>> +
>>> +maintainers:
>>> +  - Jonas Gorski <jonas.gorski@...il.com>
>>> +
>>
>> Missing reference to spi-controller.
>>
> This was word to word conversion from the text file. But I will update 
> with this required reference.
> 
>>> +properties:
>>> +  compatible:
>>> +    const: brcm,bcm6328-hsspi
>>> +
>>> +  reg:
>>> +    maxItems: 1
>>> +
>>> +  clocks:
>>> +    items:
>>> +      - description: spi master reference clock
>>> +      - description: spi master pll clock
>>> +
>>> +  clock-names:
>>> +    items:
>>> +      - const: hsspi
>>> +      - const: pll
>>> +
>>> +  interrupts:
>>> +    maxItems: 1
>>> +
>>> +required:
>>> +  - compatible
>>> +  - reg
>>> +  - clocks
>>> +  - clock-names
>>> +  - interrupts
>>> +
>>> +unevaluatedProperties: false
>>
>> This is for cases when you have reference to other schema.
>>
> Will drop here. But will add back in patch 1 which produces the final 
> version of this file and need this property.

When you add reference to spi-controller, keep it here. This was wrong
when the reference was missing.

Best regards,
Krzysztof