| Message ID | 20250610-gpio-sysfs-chip-export-v1-2-a8c7aa4478b1@linaro.org |
|---|---|
| State | New |
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From: Bartosz Golaszewski <brgl@bgdev.pl>
Date: Tue, 10 Jun 2025 16:38:17 +0200
Subject: [PATCH RFC/RFT 02/15] Documentation: gpio: document the active_low
field in the sysfs ABI
Precedence: bulk
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To: Ahmad Fatoum <a.fatoum@pengutronix.de>,
Kent Gibson <warthog618@gmail.com>,
=?utf-8?q?Jan_L=C3=BCbbe?= <jlu@pengutronix.de>,
Marek Vasut <marex@denx.de>, Geert Uytterhoeven <geert+renesas@glider.be>,
Linus Walleij <linus.walleij@linaro.org>,
Bartosz Golaszewski <brgl@bgdev.pl>
Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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|
| Series |
gpio: sysfs: add a per-chip export/unexport attribute pair
|
expand
|
diff --git a/Documentation/ABI/obsolete/sysfs-gpio b/Documentation/ABI/obsolete/sysfs-gpio index 8203bc2128db7eb9ea6724884e680ed4b669853c..480316fee6d80fb7a0ed61706559838591ec0932 100644 --- a/Documentation/ABI/obsolete/sysfs-gpio +++ b/Documentation/ABI/obsolete/sysfs-gpio @@ -22,6 +22,7 @@ Description: /value ... always readable, writes fail for input GPIOs /direction ... r/w as: in, out (default low); write: high, low /edge ... r/w as: none, falling, rising, both + /active_low ... r/w as: 0, 1 /gpiochipN ... for each gpiochip; #N is its first GPIO /base ... (r/o) same as N /label ... (r/o) descriptive, not necessarily unique