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e5467b672b
There is a bug in the device tree binding for cznic,turris-omnia-leds which causes make dt_binding_check to complain. The reason is that the multi-led property binding's regular expression does not contain the `@` character, while the example nodes do. Fix this, and also adjust the maximum address to 'b' as there are 12 LEDs. Cc: Rob Herring <robh+dt@kernel.org> Cc: devicetree@vger.kernel.org Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: Marek Behún <marek.behun@nic.cz> Link: https://lore.kernel.org/r/20200915005426.15957-1-marek.behun@nic.cz Signed-off-by: Rob Herring <robh@kernel.org>
91 lines
2.2 KiB
YAML
91 lines
2.2 KiB
YAML
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/leds/cznic,turris-omnia-leds.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: CZ.NIC's Turris Omnia LEDs driver
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maintainers:
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- Marek Behún <marek.behun@nic.cz>
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description:
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This module adds support for the RGB LEDs found on the front panel of the
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Turris Omnia router. There are 12 RGB LEDs that are controlled by a
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microcontroller that communicates via the I2C bus. Each LED is described
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as a subnode of this I2C device.
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properties:
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compatible:
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const: cznic,turris-omnia-leds
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reg:
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description: I2C slave address of the microcontroller.
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maxItems: 1
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"#address-cells":
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const: 1
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"#size-cells":
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const: 0
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patternProperties:
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"^multi-led@[0-9a-b]$":
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type: object
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allOf:
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- $ref: leds-class-multicolor.yaml#
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description:
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This node represents one of the RGB LED devices on Turris Omnia.
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No subnodes need to be added for subchannels since this controller only
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supports RGB LEDs.
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properties:
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reg:
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minimum: 0
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maximum: 11
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description:
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This property identifies one of the LEDs on the front panel of the
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Turris Omnia router.
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required:
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- reg
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/leds/common.h>
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i2c0 {
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#address-cells = <1>;
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#size-cells = <0>;
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led-controller@2b {
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compatible = "cznic,turris-omnia-leds";
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reg = <0x2b>;
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#address-cells = <1>;
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#size-cells = <0>;
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multi-led@0 {
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/*
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* No subnodes are needed, this controller only supports RGB
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* LEDs.
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*/
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reg = <0>;
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color = <LED_COLOR_ID_MULTI>;
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function = LED_FUNCTION_POWER;
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linux,default-trigger = "heartbeat";
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};
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multi-led@a {
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reg = <0xa>;
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color = <LED_COLOR_ID_MULTI>;
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function = LED_FUNCTION_INDICATOR;
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function-enumerator = <1>;
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};
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};
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};
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...
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