linux-kernel - Re: [PATCH v1 1/2] dt-bindings: gpio: aspeed,ast2400-gpio: Support ast2700

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Message-ID: <rdbnhk6hsgusamxn3c6vol47xoliad57gwy4i7tbitb6n2dkhe@hnd7vgbstpvw>
Date: Wed, 21 Aug 2024 10:51:18 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Billy Tsai <billy_tsai@...eedtech.com>
Cc: linus.walleij@...aro.org, brgl@...ev.pl, robh@...nel.org, 
	krzk+dt@...nel.org, conor+dt@...nel.org, joel@....id.au, andrew@...econstruct.com.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, BMC-SW@...eedtech.com
Subject: Re: [PATCH v1 1/2] dt-bindings: gpio: aspeed,ast2400-gpio: Support
 ast2700

On Wed, Aug 21, 2024 at 03:07:39PM +0800, Billy Tsai wrote:
> The AST2700 is the 7th generation SoC from Aspeed, featuring two GPIO
> controllers: one with 12 GPIO pins and another with 216 GPIO pins.
> 
> Signed-off-by: Billy Tsai <billy_tsai@...eedtech.com>
> ---
>  .../bindings/gpio/aspeed,ast2400-gpio.yaml    | 46 ++++++++++++++++++-
>  1 file changed, 45 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/gpio/aspeed,ast2400-gpio.yaml b/Documentation/devicetree/bindings/gpio/aspeed,ast2400-gpio.yaml
> index cf11aa7ec8c7..4d439972c14b 100644
> --- a/Documentation/devicetree/bindings/gpio/aspeed,ast2400-gpio.yaml
> +++ b/Documentation/devicetree/bindings/gpio/aspeed,ast2400-gpio.yaml
> @@ -15,6 +15,7 @@ properties:
>        - aspeed,ast2400-gpio
>        - aspeed,ast2500-gpio
>        - aspeed,ast2600-gpio
> +      - aspeed,ast2700-gpio
>  
>    reg:
>      maxItems: 1
> @@ -42,7 +43,7 @@ properties:
>      const: 2
>  
>    ngpios:
> -    minimum: 36
> +    minimum: 12
>      maximum: 232
>  
>  required:
> @@ -93,6 +94,20 @@ allOf:
>            enum: [ 36, 208 ]
>        required:
>          - ngpios
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: aspeed,ast2700-gpio
> +    then:
> +      properties:
> +        gpio-line-names:
> +          minItems: 12
> +          maxItems: 216
> +        ngpios:
> +          enum: [ 12, 216 ]
> +      required:
> +        - ngpios
>  
>  additionalProperties: false
>  
> @@ -146,3 +161,32 @@ examples:
>          gpio-ranges = <&pinctrl 0 208 36>;
>          ngpios = <36>;
>      };
> +  - |
> +    soc {
> +        #address-cells = <2>;
> +        #size-cells = <2>;
> +        #include <dt-bindings/interrupt-controller/arm-gic.h>
> +        gpio2: gpio@...0b000 {
> +            compatible = "aspeed,ast2700-gpio";

No need for new example, no relavant/important differences here.


> +            reg = <0x0 0x14c0b000 0x0 0x1000>;
> +            interrupts-extended = <&soc1_intc2 18>;
> +            interrupt-controller;
> +            #interrupt-cells = <2>;
> +            #gpio-cells = <2>;
> +            gpio-controller;
> +            gpio-ranges = <&pinctrl1 0 0 216>;
> +            ngpios = <216>;
> +        };
> +
> +        gpio3: gpio@...11000 {
> +            compatible = "aspeed,ast2700-gpio";

Especially for two the same examples...

Best regards,
Krzysztof