linux-kernel - Re: [PATCH] bindings: add clocks optional binding for imx gpio

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Date:   Mon, 2 Jul 2018 15:45:39 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Anson Huang <Anson.Huang@....com>,
        Fabio Estevam <fabio.estevam@....com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        NXP Linux Team <Linux-imx@....com>
Subject: Re: [PATCH] bindings: add clocks optional binding for imx gpio

On Fri, Jun 29, 2018 at 5:34 AM Anson Huang <Anson.Huang@....com> wrote:

> Some i.MX SoCs have GPIO clock gate in CCM, accessing
> GPIO registers needs to enable GPIO clock gate first,
> i.MX GPIO driver will enable clock gate if there is
> clock property in GPIO node of dtb, add optional property
> to i.MX GPIO binding doc.
>
> Signed-off-by: Anson Huang <Anson.Huang@....com>

Make sense since the gpio-mxc driver already supports this :)

> +Optional properties:
> +- clocks: the clocks used by gpio bank

Should the text be "the clock for clocking the GPIO silicon"
I guess that is what it is. And singularis?

Does it hurt to give the clock a name? Like the common
"pclk" for peripheral clock or something similar that other
i.MX silicon uses?

Fabio: can we have your ACK on this too.

Yours,
Linus Walleij