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cubelinux-kernel/Documentation/devicetree/bindings/auxdisplay/gpio-7-segment.yaml
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Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

56 lines
1.4 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/auxdisplay/gpio-7-segment.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: GPIO based LED segment display
maintainers:
- Chris Packham <chris.packham@alliedtelesis.co.nz>
properties:
compatible:
const: gpio-7-segment
segment-gpios:
description: |
An array of GPIOs one per segment. The first GPIO corresponds to the A
segment, the seventh GPIO corresponds to the G segment. Some LED blocks
also have a decimal point which can be specified as an optional eighth
segment.
-a-
| |
f b
| |
-g-
| |
e c
| |
-d- dp
minItems: 7
maxItems: 8
required:
- segment-gpios
additionalProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
led-7seg {
compatible = "gpio-7-segment";
segment-gpios = <&gpio 0 GPIO_ACTIVE_LOW>,
<&gpio 1 GPIO_ACTIVE_LOW>,
<&gpio 2 GPIO_ACTIVE_LOW>,
<&gpio 3 GPIO_ACTIVE_LOW>,
<&gpio 4 GPIO_ACTIVE_LOW>,
<&gpio 5 GPIO_ACTIVE_LOW>,
<&gpio 6 GPIO_ACTIVE_LOW>;
};