linux-kernel - Re: [PATCH v3 4/9] dt-bindings: ata: ahci-platform: document AHCI reset

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Message-ID: <20180713124451.pwdp6lf6ql2s4hyz@flea.home>
Date:   Fri, 13 Jul 2018 14:44:51 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Corentin Labbe <clabbe@...libre.com>
Cc:     hdegoede@...hat.com, linux@...linux.org.uk, mark.rutland@....com,
        robh+dt@...nel.org, tj@...nel.org, wens@...e.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com, thierry.reding@...il.com,
        icenowy@...c.io
Subject: Re: [PATCH v3 4/9] dt-bindings: ata: ahci-platform: document AHCI
 reset

On Fri, Jul 13, 2018 at 11:03:01AM +0000, Corentin Labbe wrote:
> This patch document the new optional resets for ahci node.
> 
> Signed-off-by: Corentin Labbe <clabbe@...libre.com>
> ---
>  Documentation/devicetree/bindings/ata/ahci-platform.txt | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.txt b/Documentation/devicetree/bindings/ata/ahci-platform.txt
> index 5f362af2724c..a5281d7557e3 100644
> --- a/Documentation/devicetree/bindings/ata/ahci-platform.txt
> +++ b/Documentation/devicetree/bindings/ata/ahci-platform.txt
> @@ -34,6 +34,8 @@ Optional properties:
>  - phys              : reference to the SATA PHY node
>  - phy-names         : must be "sata-phy"
>  - ahci-supply       : regulator for AHCI controller
> +- resets            : phandle to the reset line of AHCI controller
> +                      If set, must have a reset-names set as "ahci"

This isn't optional, it's required for the R40, and the other don't
need it.

Maxime

-- 
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

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