Re: [PATCH V2 3/8] dt-bindings: gpio: vf610: add optional clocks property

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On Tue, 23 Oct 2018 11:49:13 +0000, "A.s. Dong" wrote:
> On some SoCs(e.g. MX7ULP), GPIO clock is gatable and maybe
> disabled by default. Users have to make sure it's enabled before
> being able to access controller registers, otherwise an external
> abort error may occur. Let's add the optional clocks property to
> handle this case.
> 
> For ULP GPIO clock, it includes two separate clocks: one is for
> GPIO controller Input/Output function clock while another is
> GPIO port control clock for interrupt function.
> 
> Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Cc: Stefan Agner <stefan@xxxxxxxx>
> Cc: linux-gpio@xxxxxxxxxxxxxxx
> Cc: devicetree@xxxxxxxxxxxxxxx
> Signed-off-by: Dong Aisheng <aisheng.dong@xxxxxxx>
> ---
> v1->v2:
>  * new patch
> ---
>  Documentation/devicetree/bindings/gpio/gpio-vf610.txt | 6 ++++++
>  1 file changed, 6 insertions(+)
> 

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>



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