From: "Enrico Weigelt, metux IT consult" <lkml@metux.net>
To: Drew Fustini <drew@beagleboard.org>,
Linus Walleij <linus.walleij@linaro.org>,
linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
Tony Lindgren <tony@atomide.com>,
Andy Shevchenko <andy.shevchenko@gmail.com>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Pantelis Antoniou <pantelis.antoniou@konsulko.com>,
Jason Kridner <jkridner@beagleboard.org>,
Robert Nelson <robertcnelson@beagleboard.org>,
Joe Perches <joe@perches.com>,
Dan Carpenter <dan.carpenter@oracle.com>,
Jonathan Corbet <corbet@lwn.net>,
linux-doc@vger.kernel.org
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Subject: Re: [PATCH v9 2/4] pinctrl: pinmux: Add pinmux-select debugfs file
Date: Fri, 12 Mar 2021 14:57:54 +0100 [thread overview]
Message-ID: <349b09f8-fe99-d0d4-dd11-c288bf66cb4d@metux.net> (raw)
In-Reply-To: <20210302053059.1049035-3-drew@beagleboard.org>
On 02.03.21 06:30, Drew Fustini wrote:
Hi folks,
> Add "pinmux-select" to debugfs which will activate a pin function for a
> given pin group:
>
> echo "<group-name function-name>" > pinmux-select
>
> The write operation pinmux_select() handles this by checking that the
> names map to valid selectors and then calling ops->set_mux().
I've already been playing with similar idea, but for external muxes.
For example, some boards have multiple SIM slots that can be switched
via some gpio pin.
Not sure whether traditional pinmux would be a good match for that.
--mtx
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Enrico Weigelt, metux IT consult
Free software and Linux embedded engineering
info@metux.net -- +49-151-27565287
next prev parent reply other threads:[~2021-03-12 13:58 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-02 5:30 [PATCH v9 0/4] pinctrl: pinmux: Add pinmux-select debugfs file Drew Fustini
2021-03-02 5:30 ` [PATCH v9 1/4] pinctrl: use to octal permissions for debugfs files Drew Fustini
2021-03-02 5:30 ` [PATCH v9 2/4] pinctrl: pinmux: Add pinmux-select debugfs file Drew Fustini
2021-03-12 13:57 ` Enrico Weigelt, metux IT consult [this message]
2021-03-13 8:42 ` Drew Fustini
2021-03-13 9:28 ` Alexandre Belloni
2021-03-13 18:47 ` Geert Uytterhoeven
2021-03-18 19:40 ` Enrico Weigelt, metux IT consult
2021-03-15 16:24 ` Linus Walleij
2021-03-02 5:30 ` [PATCH v9 3/4] Documentation: rename pinctl to pin-control Drew Fustini
2021-03-02 5:30 ` [PATCH v9 4/4] docs/pinctrl: document debugfs files Drew Fustini
2021-03-10 13:43 ` [PATCH v9 0/4] pinctrl: pinmux: Add pinmux-select debugfs file Linus Walleij
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