Re: [PATCH 2/2] leds: meter: add leds-meter binding

[Dan Murphy <dmurphy@ti.com>]

Akinobu

On 10/22/19 10:06 AM, Akinobu Mita wrote:
> Add DT binding for leds-meter.

$subject should be

  dt-bindings: leds: Add leds-meter binding

And this patch should be first in the series

> Cc: Rob Herring <robh+dt@kernel.org>
> Cc: Mark Rutland <mark.rutland@arm.com>
> Cc: Bjorn Andersson <bjorn@kryo.se>
> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
> Cc: Jean-Jacques Hiblot <jjhiblot@ti.com>
> Cc: Jacek Anaszewski <jacek.anaszewski@gmail.com>
> Cc: Pavel Machek <pavel@ucw.cz>
> Cc: Dan Murphy <dmurphy@ti.com>
> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
> ---
>   .../devicetree/bindings/leds/leds-meter.yaml       | 42 ++++++++++++++++++++++
>   1 file changed, 42 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/leds/leds-meter.yaml
>
> diff --git a/Documentation/devicetree/bindings/leds/leds-meter.yaml b/Documentation/devicetree/bindings/leds/leds-meter.yaml
> new file mode 100644
> index 0000000..d5dfa261
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/leds/leds-meter.yaml
> @@ -0,0 +1,42 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/leds/leds-meter.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Generic LED level meter
> +
> +maintainers:
> +  - Akinobu Mita <akinobu.mita@gmail.com>
> +
> +description:
> +  Generic LED level meter consists of multiple LED devices by different drivers.
> +
> +properties:
> +  compatible:
> +    const: meter-leds
> +
> +  leds:

This seems a bit generic for the property name

> +    $ref: /schemas/types.yaml#/definitions/phandle-array
> +    minItems: 1
> +    description: List of phandles to LED node that are members of a level meter.
> +
> +  brightness-weights:
> +    $ref: /schemas/types.yaml#/definitions/uint32-array
> +    minItems: 1
> +    description: Each integer represents a contribution ratio within a level
> +      meter.

This description is a bit vague I would not be sure what I would set 
this to.

Dan

> +
> +required:
> + - compatible
> + - leds
> +
> +examples:
> +  - |
> +    leds {
> +        compatible = "meter-leds";
> +        leds = <&led0>, <&led1>, <&led2>, <&led3>;
> +        brightness-weights = <3 1 1 1>;
> +    };
> +
> +...