linux-kernel - Re: [PATCH v4 2/5] dt-bindings: clocks: atmel,at91rm9200-pmc: convert to yaml

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Message-ID: <a42f5efd-0847-6a7d-5d2f-ad5772466664@microchip.com>
Date:   Tue, 16 May 2023 12:58:37 +0000
From:   <Claudiu.Beznea@...rochip.com>
To:     <Conor.Dooley@...rochip.com>
CC:     <mturquette@...libre.com>, <sboyd@...nel.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <Nicolas.Ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
        <linux-clk@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 2/5] dt-bindings: clocks: atmel,at91rm9200-pmc: convert
 to yaml

Hi, Conor,

On 16.05.2023 15:00, Conor Dooley wrote:
> Hey Claudiu,
> 
> On Tue, May 16, 2023 at 08:18:33AM +0300, Claudiu Beznea wrote:
>> Convert Atmel PMC documentation to yaml. Along with it clock names
>> were adapted according to the current available device trees as
>> different controller versions accept different clock (some of them
>> have 3 clocks as input, some has 2 clocks as inputs and some with 2
>> input clocks uses different clock names).
>> diff --git a/Documentation/devicetree/bindings/clock/atmel,at91rm9200-pmc.yaml b/Documentation/devicetree/bindings/clock/atmel,at91rm9200-pmc.yaml
>> new file mode 100644
>> index 000000000000..e5f514bc4bf7
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/clock/atmel,at91rm9200-pmc.yaml
>> @@ -0,0 +1,153 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/clock/atmel,at91rm9200-pmc.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Atmel Power Management Controller (PMC)
>> +
>> +maintainers:
>> +  - Claudiu Beznea <claudiu.beznea@...rochip.com>
>> +
>> +description:
>> +  The power management controller optimizes power consumption by controlling all
>> +  system and user peripheral clocks. The PMC enables/disables the clock inputs
>> +  to many of the peripherals and to the processor.
>> +
>> +properties:
>> +  compatible:
>> +    oneOf:
>> +      - items:
>> +          - const: atmel,at91sam9g20-pmc
>> +          - const: atmel,at91sam9260-pmc
>> +          - const: syscon
>> +      - items:
>> +          - enum:
>> +              - atmel,at91sam9g15-pmc
>> +              - atmel,at91sam9g25-pmc
>> +              - atmel,at91sam9g35-pmc
>> +              - atmel,at91sam9x25-pmc
>> +              - atmel,at91sam9x35-pmc
>> +          - const: atmel,at91sam9x5-pmc
> Yet another combinations question for you...
> With this binding the following is not possible:
> 
> "atmel,at91sam9x5-pmc", "syscon"
> 
> Is that intended?

No, I've just missed it. Same for the above. I'll have a new round and fix it.

Thanks for having a look at this,
Claudiu

> I notice "atmel,at91sam9260-pmc" is able to appear as:
> 
> "atmel,at91sam9260-pmc", "syscon"
> 
> So the inconsistency stands out.
> 
>> +          - const: syscon
>> +      - items:
>> +          - enum:
>> +              - atmel,at91rm9200-pmc
>> +              - atmel,at91sam9260-pmc
>> +              - atmel,at91sam9g45-pmc
>> +              - atmel,at91sam9n12-pmc
>> +              - atmel,at91sam9rl-pmc
>> +              - atmel,sama5d2-pmc
>> +              - atmel,sama5d3-pmc
>> +              - atmel,sama5d4-pmc
>> +              - microchip,sam9x60-pmc
>> +              - microchip,sama7g5-pmc
>> +          - const: syscon
> Otherwise, this looks grand to me.
> 
> Cheers,
> Conor.