linux-kernel - Re: [PATCH v29 01/16] dt: bindings: Add multicolor class dt bindings documention

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Message-ID: <20200704124842.GB20088@amd>
Date:   Sat, 4 Jul 2020 14:48:43 +0200
From:   Pavel Machek <pavel@....cz>
To:     Dan Murphy <dmurphy@...com>
Cc:     jacek.anaszewski@...il.com, robh@...nel.org,
        devicetree@...r.kernel.org, linux-leds@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v29 01/16] dt: bindings: Add multicolor class dt bindings
 documention

Hi!

> Add DT bindings for the LEDs multicolor class framework.
> Add multicolor ID to the color ID list for device tree bindings.

Rob, can we get some reviews here? It would be good to move this
forward.

Best regards,
								Pavel

> CC: Rob Herring <robh@...nel.org>
> Acked-by: Pavel Machek <pavel@....cz>
> Acked-by: Jacek Anaszewski <jacek.anaszewski@...il.com>
> Signed-off-by: Dan Murphy <dmurphy@...com>
> ---
>  .../bindings/leds/leds-class-multicolor.yaml  | 37 +++++++++++++++++++
>  include/dt-bindings/leds/common.h             |  3 +-
>  2 files changed, 39 insertions(+), 1 deletion(-)
>  create mode 100644 Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml
> 
> diff --git a/Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml b/Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml
> new file mode 100644
> index 000000000000..b55e1f1308a4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml
> @@ -0,0 +1,37 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/leds/leds-class-multicolor.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Common properties for the multicolor LED class.
> +
> +maintainers:
> +  - Dan Murphy <dmurphy@...com>
> +
> +description: |
> +  Bindings for multi color LEDs show how to describe current outputs of
> +  either integrated multi-color LED elements (like RGB, RGBW, RGBWA-UV
> +  etc.) or standalone LEDs, to achieve logically grouped multi-color LED
> +  modules. This is achieved by adding multi-led nodes layer to the
> +  monochrome LED bindings.
> +  The nodes and properties defined in this document are unique to the multicolor
> +  LED class.  Common LED nodes and properties are inherited from the common.txt
> +  within this documentation directory.
> +
> +patternProperties:
> +  "^multi-led@([0-9a-f])$":
> +    type: object
> +    description: Represents the LEDs that are to be grouped.
> +    properties:
> +      color:
> +        const: 8  # LED_COLOR_ID_MULTI
> +        description: |
> +          For multicolor LED support this property should be defined as
> +          LED_COLOR_ID_MULTI which can be found in include/linux/leds/common.h.
> +
> +    $ref: "common.yaml#"
> +
> +    required:
> +      - color
> +...
> diff --git a/include/dt-bindings/leds/common.h b/include/dt-bindings/leds/common.h
> index 0ce7dfc00dcb..a463ce6a8794 100644
> --- a/include/dt-bindings/leds/common.h
> +++ b/include/dt-bindings/leds/common.h
> @@ -30,7 +30,8 @@
>  #define LED_COLOR_ID_VIOLET	5
>  #define LED_COLOR_ID_YELLOW	6
>  #define LED_COLOR_ID_IR		7
> -#define LED_COLOR_ID_MAX	8
> +#define LED_COLOR_ID_MULTI	8
> +#define LED_COLOR_ID_MAX	9
>  
>  /* Standard LED functions */
>  /* Keyboard LEDs, usually it would be input4::capslock etc. */
> --

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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