linux-kernel - Re: [PATCH v3] dt-bindings: pinctrl: cy8x95x0: Minor fix & update

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Date: Wed, 31 Jan 2024 09:32:02 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Naresh Solanki <naresh.solanki@...ements.com>,
 Linus Walleij <linus.walleij@...aro.org>, Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>,
 Patrick Rudolph <patrick.rudolph@...ements.com>
Cc: mazziesaccount@...il.com, linux-gpio@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] dt-bindings: pinctrl: cy8x95x0: Minor fix & update

On 30/01/2024 13:56, Naresh Solanki wrote:
> Update maxItems to 60 for gpio-reserved-ranges to allow multiple gpio

Subject: everything can be a fix and everything is update. Write
something useful.

> reserved ranges.
> Add input-enable property to allow configuring a pin as input.
> Update example & fix alignment.
> 
> Signed-off-by: Naresh Solanki <naresh.solanki@...ements.com>
> ---
>  .../bindings/pinctrl/cypress,cy8c95x0.yaml    | 38 ++++++++++++++-----
>  1 file changed, 28 insertions(+), 10 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/cypress,cy8c95x0.yaml b/Documentation/devicetree/bindings/pinctrl/cypress,cy8c95x0.yaml
> index 7f30ec2f1e54..90dda5d3cc55 100644
> --- a/Documentation/devicetree/bindings/pinctrl/cypress,cy8c95x0.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/cypress,cy8c95x0.yaml
> @@ -45,7 +45,8 @@ properties:
>      maxItems: 1
>  
>    gpio-reserved-ranges:
> -    maxItems: 1
> +    minItems: 1
> +    maxItems: 60
>  
>    vdd-supply:
>      description:
> @@ -85,6 +86,8 @@ patternProperties:
>  
>        bias-disable: true
>  
> +      input-enable: true
> +
>        output-high: true
>  
>        output-low: true
> @@ -125,14 +128,29 @@ examples:
>        #size-cells = <0>;
>  
>        pinctrl@20 {
> -        compatible = "cypress,cy8c9520";
> -        reg = <0x20>;
> -        gpio-controller;
> -        #gpio-cells = <2>;
> -        #interrupt-cells = <2>;
> -        interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>;
> -        interrupt-controller;
> -        vdd-supply = <&p3v3>;
> -        gpio-reserved-ranges = <5 1>;
> +          compatible = "cypress,cy8c9520";

I don't understand why you change from correct indentation to mixed one
(2 and 4 spaces). It does not make sense.


> +          reg = <0x20>;
> +          gpio-controller;
> +          #gpio-cells = <2>;
> +          #interrupt-cells = <2>;
> +          interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>;
> +          interrupt-controller;
> +          vdd-supply = <&p3v3>;
> +          gpio-reserved-ranges = <1 2>, <6 1>, <10 1>, <15 1>;
> +
> +          pinctrl-0 = <&U62160_pins>, <&U62160_ipins>;
> +          pinctrl-names = "default";

Missing blank line.

> +          U62160_pins: cfg-pins {
> +              pins = "gp03", "gp16", "gp20", "gp50", "gp51";
> +              function = "gpio";
> +              input-enable;
> +              bias-pull-up;
> +          };

Missing blank line.


> +          U62160_ipins: icfg-pins {
> +              pins = "gp04", "gp17", "gp21", "gp52", "gp53";
> +              function = "gpio";
> +              input-enable;
> +              bias-pull-up;
> +          };
>        };
>      };

Best regards,
Krzysztof