linux-kernel - Re: [PATCH v2 1/6] ARM: imx6q: provide documentation for new fsl,pmic_stby

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Date:   Wed, 31 May 2017 15:52:56 +0100
From:   Mark Rutland <mark.rutland@....com>
To:     Oleksij Rempel <o.rempel@...gutronix.de>
Cc:     linux@...pel-privat.de, kernel@...gutronix.de,
        linux-arm-kernel@...ts.infradead.org,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...eaurora.org>,
        Rob Herring <robh+dt@...nel.org>, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/6] ARM: imx6q: provide documentation for new
 fsl,pmic_stby_poweroff property

On Wed, May 31, 2017 at 08:14:52AM +0200, Oleksij Rempel wrote:
> Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
> Cc: kernel@...gutronix.de
> Cc: linux-arm-kernel@...ts.infradead.org
> Cc: Michael Turquette <mturquette@...libre.com>
> Cc: Stephen Boyd <sboyd@...eaurora.org>
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: linux-clk@...r.kernel.org
> Cc: devicetree@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> ---
>  Documentation/devicetree/bindings/clock/imx6q-clock.txt | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/clock/imx6q-clock.txt b/Documentation/devicetree/bindings/clock/imx6q-clock.txt
> index 9252912a5b0e..214cb5f461c7 100644
> --- a/Documentation/devicetree/bindings/clock/imx6q-clock.txt
> +++ b/Documentation/devicetree/bindings/clock/imx6q-clock.txt
> @@ -6,6 +6,10 @@ Required properties:
>  - interrupts: Should contain CCM interrupt
>  - #clock-cells: Should be <1>
>  
> +Optional properties:
> +- fsl,pmic_stby_poweroff: Configure CCM to assert PMIC_STBY_REQ signal
> +  on power off.

s/_/-/ in property names, please.

When/why is this needed?

Why should a DT author (not) set this?

Thanks,
Mark.

> +
>  The clock consumer should specify the desired clock by having the clock
>  ID in its "clocks" phandle cell.  See include/dt-bindings/clock/imx6qdl-clock.h
>  for the full list of i.MX6 Quad and DualLite clock IDs.
> -- 
> 2.11.0
>