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Message-ID: <1b9f9deb-37b9-4be7-9e95-9ee4f95d3d69@alliedtelesis.co.nz>
Date: Sun, 30 Jun 2024 22:12:30 +0000
From: Chris Packham <Chris.Packham@...iedtelesis.co.nz>
To: Krzysztof Kozlowski <krzk@...nel.org>, "tglx@...utronix.de"
	<tglx@...utronix.de>, "robh@...nel.org" <robh@...nel.org>,
	"krzk+dt@...nel.org" <krzk+dt@...nel.org>, "conor+dt@...nel.org"
	<conor+dt@...nel.org>, "tsbogend@...ha.franken.de"
	<tsbogend@...ha.franken.de>, "daniel.lezcano@...aro.org"
	<daniel.lezcano@...aro.org>, "paulburton@...nel.org" <paulburton@...nel.org>,
	"peterz@...radead.org" <peterz@...radead.org>, "mail@...ger-koblitz.de"
	<mail@...ger-koblitz.de>, "bert@...t.com" <bert@...t.com>, "john@...ozen.org"
	<john@...ozen.org>, "sander@...nheule.net" <sander@...nheule.net>
CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-mips@...r.kernel.org" <linux-mips@...r.kernel.org>, "kabel@...nel.org"
	<kabel@...nel.org>, "ericwouds@...il.com" <ericwouds@...il.com>
Subject: Re: [PATCH v3 6/9] dt-bindings: interrupt-controller:
 realtek,rtl-intc: Add rtl9300-intc


On 27/06/24 19:41, Krzysztof Kozlowski wrote:
> On 27/06/2024 06:33, Chris Packham wrote:
>> Add a compatible string for the interrupt controller found on the
>> rtl930x SoCs. The interrupt controller has registers for VPE1 so these
>> are added as a second reg cell.
>>
>> Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
>> ---
>>
>> Notes:
>>      Changes in v3:
>>      - Use items to describe the regs property
>>      Changes in v2:
>>      - Set reg:maxItems to 2 to allow for VPE1 registers on the rtl9300. Add
>>        a condition to enforce the old limit on other SoCs.
>>      - Connor and Krzysztof offered acks on v1 but I think the changes here
>>        are big enough to void those.
>>
>>   .../interrupt-controller/realtek,rtl-intc.yaml | 18 +++++++++++++++++-
>>   1 file changed, 17 insertions(+), 1 deletion(-)
>>
>> diff --git a/Documentation/devicetree/bindings/interrupt-controller/realtek,rtl-intc.yaml b/Documentation/devicetree/bindings/interrupt-controller/realtek,rtl-intc.yaml
>> index fb5593724059..d0e5bdf45d05 100644
>> --- a/Documentation/devicetree/bindings/interrupt-controller/realtek,rtl-intc.yaml
>> +++ b/Documentation/devicetree/bindings/interrupt-controller/realtek,rtl-intc.yaml
>> @@ -25,6 +25,7 @@ properties:
>>         - items:
>>             - enum:
>>                 - realtek,rtl8380-intc
>> +              - realtek,rtl9300-intc
>>             - const: realtek,rtl-intc
>>         - const: realtek,rtl-intc
>>           deprecated: true
>> @@ -35,7 +36,9 @@ properties:
>>       const: 1
>>   
>>     reg:
>> -    maxItems: 1
> Missing minItems (as testing would tell you)

Hmm I really did test this. Even now running

`make ARCH=mips O=build_mips 
DT_SCHEMA_FILES=realtek,rtl-intc.yaml:realtek-rtl.yaml:realtek,otto-timer.yaml 
clean dt_binding_check` doesn't seem to yield any complaints. Am I 
testing this properly?

>
>> +    items:
>> +      - description: vpe0 registers
>> +      - description: vpe1 registers
>>   
>>     interrupts:
>>       minItems: 1
>> @@ -71,6 +74,19 @@ allOf:
>>       else:
>>         required:
>>           - interrupts
>> +  - if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            const: realtek,rtl9300-intc
>> +    then:
>> +      properties:
>> +        reg:
> Needed is: minItems: 2
>
>> +          maxItems: 2
>> +    else:
>> +      properties:
>> +        reg:
>> +          maxItems: 1
>>   
>>   additionalProperties: false
>>   
> Best regards,
> Krzysztof
>

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