From: Chris Packham <chris.packham@alliedtelesis.co.nz>
To: andy@kernel.org, geert@linux-m68k.org, robh+dt@kernel.org,
krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
andrew@lunn.ch, gregory.clement@bootlin.com,
sebastian.hesselbarth@gmail.com, ojeda@kernel.org,
tzimmermann@suse.de, javierm@redhat.com, robin@protonic.nl,
lee@kernel.org, pavel@ucw.cz
Cc: devicetree@vger.kernel.org, linux-leds@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Chris Packham <chris.packham@alliedtelesis.co.nz>
Subject: [PATCH v2 2/4] dt-bindings: auxdisplay: Add bindings for generic 7 segment LED
Date: Wed, 28 Feb 2024 10:22:42 +1300 [thread overview]
Message-ID: <20240227212244.262710-3-chris.packham@alliedtelesis.co.nz> (raw)
In-Reply-To: <20240227212244.262710-1-chris.packham@alliedtelesis.co.nz>
Add bindings for a generic 7 segment LED display using GPIOs.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
---
Notes:
Changes in v2:
- Use compatible = "generic-gpio-7seg" to keep checkpatch.pl happy
.../auxdisplay/generic-gpio-7seg.yaml | 40 +++++++++++++++++++
1 file changed, 40 insertions(+)
create mode 100644 Documentation/devicetree/bindings/auxdisplay/generic-gpio-7seg.yaml
diff --git a/Documentation/devicetree/bindings/auxdisplay/generic-gpio-7seg.yaml b/Documentation/devicetree/bindings/auxdisplay/generic-gpio-7seg.yaml
new file mode 100644
index 000000000000..46d53ebdf413
--- /dev/null
+++ b/Documentation/devicetree/bindings/auxdisplay/generic-gpio-7seg.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/auxdisplay/generic,gpio-7seg.yaml#
+$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: generic-gpio-7seg
+
+ segment-gpios:
+ description:
+ An array of GPIOs one per segment.
+ minItems: 7
+
+required:
+ - segment-gpios
+
+additionalProperties: false
+
+examples:
+ - |
+
+ #include <dt-bindings/gpio/gpio.h>
+
+ led-7seg {
+ compatible = "generic-gpio-7seg";
+ 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>;
+ };
--
2.43.2
next prev parent reply other threads:[~2024-02-27 21:22 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-27 21:22 [PATCH v2 0/4] auxdisplay: 7 segment LED display Chris Packham
2024-02-27 21:22 ` [PATCH v2 1/4] auxdisplay: Add 7 segment LED display driver Chris Packham
2024-02-27 22:13 ` Randy Dunlap
2024-02-27 23:56 ` Andy Shevchenko
2024-02-27 21:22 ` Chris Packham [this message]
2024-02-27 22:19 ` [PATCH v2 2/4] dt-bindings: auxdisplay: Add bindings for generic 7 segment LED Rob Herring
2024-02-28 0:03 ` Andy Shevchenko
2024-02-28 1:53 ` Chris Packham
2024-02-28 17:22 ` Andy Shevchenko
2024-02-28 14:04 ` Rob Herring
2024-02-28 14:57 ` Andy Shevchenko
2024-02-29 9:23 ` Geert Uytterhoeven
2024-02-29 10:42 ` Andy Shevchenko
2024-02-28 20:01 ` Chris Packham
2024-02-29 9:24 ` Geert Uytterhoeven
2024-02-29 10:44 ` andy
2024-02-27 21:22 ` [PATCH v2 3/4] ARM: dts: marvell: Add 7 segment LED display on x530 Chris Packham
2024-02-28 0:12 ` Andy Shevchenko
2024-02-27 21:22 ` [PATCH v2 4/4] ARM: dts: marvell: Indicate USB activity " Chris Packham
2024-02-28 0:09 ` Andy Shevchenko
2024-02-28 1:11 ` Chris Packham
2024-02-28 0:05 ` [PATCH v2 0/4] auxdisplay: 7 segment LED display Andy Shevchenko
2024-02-28 0:25 ` Chris Packham
2024-02-28 18:45 ` Andy Shevchenko
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