linux-kernel - Re: [PATCH 1/1] Add devices to spidev device tree compatibility list

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Message-ID: <CAMuHMdVY78gNfq0FyXTEBxCZy7LqqOL3UqumW9P=46NgW1SASA@mail.gmail.com>
Date:   Fri, 30 Sep 2016 19:35:34 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Fabien Lahoudere <fabien.lahoudere@...labora.co.uk>
Cc:     Mark Brown <broonie@...nel.org>,
        linux-spi <linux-spi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] Add devices to spidev device tree compatibility list

On Fri, Sep 30, 2016 at 12:15 PM, Fabien Lahoudere
<fabien.lahoudere@...labora.co.uk> wrote:
> Entries are needed in the spidev ID list to configure configure it from a
> device tree. Add entries for the following devices:

> - "exar,xra1403" : a GPIO expander

Looks like a suitable target for a drivers/gpio/ driver.
Datasheet available at
https://www.exar.com/product/interface/bridges/bridging-solutions/spi-gpio-expanders/xra1403

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds