linux-kernel - Re: [PATCH v3] dt-bindings: gpio: aspeed,ast2400-gpio: Convert to DT schema

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Date: Mon, 26 Feb 2024 08:08:42 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Andrew Jeffery <andrew@...econstruct.com.au>, linus.walleij@...aro.org,
 brgl@...ev.pl, krzysztof.kozlowski+dt@...aro.org
Cc: robh+dt@...nel.org, conor+dt@...nel.org, joel@....id.au,
 linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-aspeed@...ts.ozlabs.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] dt-bindings: gpio: aspeed,ast2400-gpio: Convert to DT
 schema

On 26/02/2024 06:16, Andrew Jeffery wrote:
> Squash warnings such as:
> 
> ```
> arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-galaxy100.dtb: /ahb/apb@...00000/gpio@...80000: failed to match any schema with compatible: ['aspeed,ast2400-gpio']
> ```
> 
> Signed-off-by: Andrew Jeffery <andrew@...econstruct.com.au>

..

> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +    description: The clock to use for debounce timings
> +
> +  gpio-controller: true
> +  gpio-line-names: true

min/maxItems

> +  gpio-ranges: true
> +
> +  "#gpio-cells":
> +    const: 2
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  interrupt-controller: true
> +
> +  "#interrupt-cells":
> +    const: 2
> +
> +  ngpios: true

Where are the constraints I asked? minimum, maximum.

> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - interrupt-controller
> +  - "#interrupt-cells"
> +  - gpio-controller
> +  - "#gpio-cells"
> +


Best regards,
Krzysztof