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# 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>;
};
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