linux-kernel - Re: [PATCH v4 3/3] dt-bindings: gpio: gpio-mvebu: document offset and marvell,pwm-offset

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Date:   Wed, 22 Jun 2022 15:54:49 +0200
From:   Thierry Reding <thierry.reding@...il.com>
To:     Chris Packham <chris.packham@...iedtelesis.co.nz>,
        linus.walleij@...aro.org, brgl@...ev.pl
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        u.kleine-koenig@...gutronix.de, lee.jones@...aro.org,
        andrew@...n.ch, thomas.petazzoni@...e-electrons.com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-pwm@...r.kernel.org
Subject: Re: [PATCH v4 3/3] dt-bindings: gpio: gpio-mvebu: document offset
 and marvell,pwm-offset

On Thu, May 26, 2022 at 01:29:46PM +1200, Chris Packham wrote:
> The offset and marvell,pwm-offset properties weren't in the old binding.
> Add them based on the existing usage in the driver and board DTS when
> the marvell,armada-8k-gpio compatible is used.
> 
> Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
> 
> Notes:
>     Changes in v4:
>     - Reword commit message slightly
>     - Add review from Krzysztof
>     Changes in v3:
>     - Split off from 1:1 conversion patch
> 
>  Documentation/devicetree/bindings/gpio/gpio-mvebu.yaml | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/gpio/gpio-mvebu.yaml b/Documentation/devicetree/bindings/gpio/gpio-mvebu.yaml
> index 459ec35864fe..f1bd1e6b2e1f 100644
> --- a/Documentation/devicetree/bindings/gpio/gpio-mvebu.yaml
> +++ b/Documentation/devicetree/bindings/gpio/gpio-mvebu.yaml
> @@ -45,6 +45,10 @@ properties:
>        - const: pwm
>      minItems: 1
>  
> +  offset:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description: Offset in the register map for the gpio registers (in bytes)
> +
>    interrupts:
>      description: |
>        The list of interrupts that are used for all the pins managed by this
> @@ -68,6 +72,10 @@ properties:
>    "#gpio-cells":
>      const: 2
>  
> +  marvell,pwm-offset:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description: Offset in the register map for the pwm registers (in bytes)
> +

It would probably have been better to add multiple compatible strings to
hide parameters like this, but given that this has been in the DTS files
for more than a year at this point, it's probably too late now.

Acked-by: Thierry Reding <thierry.reding@...il.com>

Linus, Bartosz, will you pick up the series into the GPIO tree?

Thierry

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