linux-kernel - Re: [PATCH] dt-bindings: interrupt-controller: Convert nxp,lpc3220-mic.txt to yaml format

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Message-ID: <c3407b84-7698-4102-b600-c1a6701fe67f@gmail.com>
Date: Tue, 25 Feb 2025 15:30:55 -0300
From: Leonardo Felipe Takao Hirata <leo.fthirata@...il.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: tglx@...utronix.de, robh@...nel.org, krzk+dt@...nel.org,
 conor+dt@...nel.org, vz@...ia.com,
 Leonardo Felipe Takao Hirata <leofthirata@...il.com>,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
 skhan@...uxfoundation.org, linux-kernel-mentees@...ts.linuxfoundation.org
Subject: Re: [PATCH] dt-bindings: interrupt-controller: Convert
 nxp,lpc3220-mic.txt to yaml format

Hello Krzysztof,

On 25/02/2025 9:06 AM, Krzysztof Kozlowski wrote:
> On Mon, Feb 24, 2025 at 06:04:30PM -0300, Leonardo Felipe Takao Hirata wrote:
>> Convert NXP LPC3220-MIC to DT schema.
>>
>> Signed-off-by: Leonardo Felipe Takao Hirata <leofthirata@...il.com>
> SoB mismatch.
>
> Run checkpatch.
>
>> ---
>>   .../interrupt-controller/nxp,lpc3220-mic.txt  | 58 -------------
>>   .../interrupt-controller/nxp,lpc3220-mic.yaml | 86 +++++++++++++++++++
>>   2 files changed, 86 insertions(+), 58 deletions(-)
>>   delete mode 100644 Documentation/devicetree/bindings/interrupt-controller/nxp,lpc3220-mic.txt
>>   create mode 100644 Documentation/devicetree/bindings/interrupt-controller/nxp,lpc3220-mic.yaml
> ...
>
>> +title: NXP LPC32xx MIC, SIC1 and SIC2 Interrupt Controllers
>> +
>> +maintainers:
>> +  - Vladimir Zapolskiy <vz@...ia.com>
>> +
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - nxp,lpc3220-mic
>> +      - nxp,lpc3220-sic
>> +
>> +  reg:
>> +    description:
>> +      Should contain IC registers location and length.
> Drop description
>
>> +    maxItems: 1
>> +
>> +  interrupt-controller: true
>> +
>> +  '#interrupt-cells':
>> +    const: 2
>> +    description:
>> +      The number of cells to define an interrupt, should be 2.
> Don't repeat constraints in free form text. Drop.
>
>> +      The first cell is the IRQ number, the second cell is used to specify
>> +      one of the supported IRQ types.
>> +          IRQ_TYPE_EDGE_RISING = low-to-high edge triggered,
>> +          IRQ_TYPE_EDGE_FALLING = high-to-low edge triggered,
>> +          IRQ_TYPE_LEVEL_HIGH = active high level-sensitive,
>> +          IRQ_TYPE_LEVEL_LOW = active low level-sensitive.
>> +      Reset value is IRQ_TYPE_LEVEL_LOW.
>> +
>> +  interrupts:
> Need to list and describe the items.
>
>> +    description:
>> +      Empty for MIC interrupt controller, cascaded MIC hardware interrupts for
>> +      SIC1 and SIC2
> And then allOf:if:then restricting it per variant (interrupts: false).
>
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - interrupt-controller
>> +  - '#interrupt-cells'
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> +  - |
>> +    #include <dt-bindings/interrupt-controller/irq.h>
>> +
>> +    mic: interrupt-controller@...08000 {
>> +      compatible = "nxp,lpc3220-mic";
>> +      reg = <0x40008000 0x4000>;
>> +      interrupt-controller;
>> +      #interrupt-cells = <2>;
>> +    };
>> +
>> +    sic1: interrupt-controller@...0c000 {
>> +      compatible = "nxp,lpc3220-sic";
>> +      reg = <0x4000c000 0x4000>;
>> +      interrupt-controller;
>> +      #interrupt-cells = <2>;
>> +      interrupt-parent = <&mic>;
>> +      interrupts = <0 IRQ_TYPE_LEVEL_LOW>,
>> +                  <30 IRQ_TYPE_LEVEL_LOW>;
>> +    };
>> +
>> +    sic2: interrupt-controller@...10000 {
> Drop, two examples are enough.
>
>> +      compatible = "nxp,lpc3220-sic";
>> +      reg = <0x40010000 0x4000>;
>> +      interrupt-controller;
>> +      #interrupt-cells = <2>;
>> +      interrupt-parent = <&mic>;
>> +      interrupts = <1 IRQ_TYPE_LEVEL_LOW>,
>> +                  <31 IRQ_TYPE_LEVEL_LOW>;
>> +    };
>> +
>> +    adc@...48000 {
>> +      compatible = "nxp,lpc3220-adc";
> Drop, not relevant.
>
> Best regards,
> Krzysztof
>
Thanks for the feedback. The fixes will be in v2.

Best regards,
Leonardo Hirata