linux-kernel - Re: [PATCH 2/2] MIPS: NI 169445 board support

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Date:   Wed, 15 Mar 2017 10:37:12 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Nathan Sullivan <nathan.sullivan@...com>
Cc:     Alexandre Courbot <gnurou@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Ralf Baechle <ralf@...ux-mips.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        Linux MIPS <linux-mips@...ux-mips.org>
Subject: Re: [PATCH 2/2] MIPS: NI 169445 board support

On Mon, Mar 6, 2017 at 9:06 PM, Nathan Sullivan <nathan.sullivan@...com> wrote:

> Support the National Instruments 169445 board.
>
> Signed-off-by: Nathan Sullivan <nathan.sullivan@...com>
(...)

> +               gpio1:gpio-controller@...00010 {
> +                       compatible = "ni,169445-nand-gpio";
> +                       reg = <0x10 0x4>;
> +                       reg-names = "dat";
> +                       gpio-controller;
> +                       #gpio-cells = <2>;
> +                       ngpios = <5>;

Here I would add:

gpio-line-names = "NC", "NCE", "ALE", "CLE", "NWP";

(Dunno about the first one, maybe you have a schematic?)

> +               };
> +
> +               gpio2:gpio-controller@...00014 {
> +                       compatible = "ni,169445-nand-gpio";
> +                       reg = <0x14 0x4>;
> +                       reg-names = "dat";
> +                       gpio-controller;
> +                       #gpio-cells = <2>;
> +                       ngpios = <1>;

gpio-line-names = "RDY";

> +               };
> +
> +               nand@...00000 {
> +                       compatible = "gpio-control-nand";
> +                       nand-on-flash-bbt;
> +                       nand-ecc-mode = "soft_bch";
> +                       nand-ecc-step-size = <512>;
> +                       nand-ecc-strength = <4>;
> +                       reg = <0x0 4>;
> +                       gpios = <&gpio2 0 0>, /* rdy */
> +                               <&gpio1 1 0>, /* nce */
> +                               <&gpio1 2 0>, /* ale */
> +                               <&gpio1 3 0>, /* cle */
> +                               <&gpio1 4 0>; /* nwp */
> +               };

To reflect this. "lsgpio" gives better info after that.

Other than that:
Acked-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij