linux-kernel - Re: [RESEND PATCH v4 06/10] dt-bindings: gpio: change items restriction of clock for rockchip,gpio-bank

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Date:   Fri, 14 May 2021 12:06:51 +0200
From:   Heiko Stuebner <heiko@...ech.de>
To:     cl@...k-chips.com
Cc:     robh+dt@...nel.org, jagan@...rulasolutions.com, wens@...e.org,
        uwe@...ine-koenig.org, mail@...id-bauer.net, jbx6244@...il.com,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        jensenhuang@...endlyarm.com, michael@...rulasolutions.com,
        cnsztl@...il.com, devicetree@...r.kernel.org,
        ulf.hansson@...aro.org, linux-mmc@...r.kernel.org,
        gregkh@...uxfoundation.org, linux-serial@...r.kernel.org,
        linux-i2c@...r.kernel.org, jay.xu@...k-chips.com,
        shawn.lin@...k-chips.com, david.wu@...k-chips.com,
        zhangqing@...k-chips.com, huangtao@...k-chips.com,
        cl@...k-chips.com, wim@...ux-watchdog.org, linux@...ck-us.net,
        jamie@...ieiles.com, linux-watchdog@...r.kernel.org, maz@...nel.org
Subject: Re: [RESEND PATCH v4 06/10] dt-bindings: gpio: change items restriction of clock for rockchip,gpio-bank

Hi,

Am Donnerstag, 13. Mai 2021, 08:46:06 CEST schrieb cl@...k-chips.com:
> From: Liang Chen <cl@...k-chips.com>
> 
> The clock property need 2 items on some rockchip chips.
> 
> Signed-off-by: Liang Chen <cl@...k-chips.com>

this patch should definitly move over to Jianquns gpio driver series,
as it introduces the usage of these new clocks.

Also while the single-clock variant definitly doesn't need it,
I think we may want clock-names "apb_pclk", "debounce-ref" for the
2-clock variants?


Heiko

> ---
>  Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml b/Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml
> index d993e00..0d62c28 100644
> --- a/Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml
> +++ b/Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml
> @@ -22,7 +22,10 @@ properties:
>      maxItems: 1
>  
>    clocks:
> -    maxItems: 1
> +    minItems: 1
> +    items:
> +      - description: APB interface clock source
> +      - description: GPIO debounce reference clock source
>  
>    gpio-controller: true
>  
>