linux-kernel - Re: [PATCH v2 11/15] ARM: dts: aspeed: fix PCA95xx GPIO expander properties on Portwell

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Date:   Fri, 11 Sep 2020 00:56:53 +0000
From:   Joel Stanley <joel@....id.au>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Benoît Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>,
        Russell King <linux@...linux.org.uk>,
        Jason Cooper <jason@...edaemon.net>,
        Andrew Lunn <andrew@...n.ch>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Andrew Jeffery <andrew@...id.au>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Magnus Damm <magnus.damm@...il.com>,
        Tero Kristo <t-kristo@...com>, Nishanth Menon <nm@...com>,
        Michal Simek <michal.simek@...inx.com>,
        Guenter Roeck <linux@...ck-us.net>,
        devicetree <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-omap@...r.kernel.org,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-aspeed <linux-aspeed@...ts.ozlabs.org>,
        linux-mediatek@...ts.infradead.org,
        linux-renesas-soc@...r.kernel.org
Subject: Re: [PATCH v2 11/15] ARM: dts: aspeed: fix PCA95xx GPIO expander
 properties on Portwell

On Thu, 10 Sep 2020 at 17:59, Krzysztof Kozlowski <krzk@...nel.org> wrote:
>
> The PCA95xx GPIO expander requires GPIO controller properties to operate
> properly.
>
> Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>

Acked-by: Joel Stanley <joel@....id.au>

(This device tree can probably be dropped in the future. I heard these
boards were very hard to come by even a year or so ago, and I doubt
they are still in use.)

> ---
>  arch/arm/boot/dts/aspeed-bmc-portwell-neptune.dts | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/boot/dts/aspeed-bmc-portwell-neptune.dts b/arch/arm/boot/dts/aspeed-bmc-portwell-neptune.dts
> index 4a1ca8f5b6a7..03c161493ffc 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-portwell-neptune.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-portwell-neptune.dts
> @@ -121,6 +121,8 @@
>         pca9555@27 {
>                 compatible = "nxp,pca9555";
>                 reg = <0x27>;
> +               gpio-controller;
> +               #gpio-cells = <2>;
>         };
>  };
>
> --
> 2.17.1
>