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

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Message-ID: <20250225-lean-bronze-millipede-03edd9@krzk-bin>
Date: Tue, 25 Feb 2025 13:06:48 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Leonardo Felipe Takao Hirata <leo.fthirata@...il.com>
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

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