Re: [PATCH 1/2] dt-bindings: leds: ROHM BD2606MVV LED driver

From: Andreas Kemnade
Date: Thu Apr 06 2023 - 07:39:20 EST


Hi Matti,

On Thu, 6 Apr 2023 11:32:42 +0300
Matti Vaittinen <mazziesaccount@xxxxxxxxx> wrote:

> Hi Andreas,
>
> Thanks for the patch! Adding new support for devices is Much Appreciated!
>
> On 4/6/23 09:08, Andreas Kemnade wrote:
> > Document ROHM BD2606MVV LED driver devicetree bindings.
> >
> > Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
> > ---
> > .../bindings/leds/rohm,bd2606mvv.yaml | 76 +++++++++++++++++++
> > 1 file changed, 76 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/leds/rohm,bd2606mvv.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/leds/rohm,bd2606mvv.yaml b/Documentation/devicetree/bindings/leds/rohm,bd2606mvv.yaml
> > new file mode 100644
> > index 0000000000000..6d4ddd8d31162
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/leds/rohm,bd2606mvv.yaml
> > @@ -0,0 +1,76 @@
> > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/leds/rohm,bd2606mvv.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: BD2606MVV LED controller
> > +
> > +maintainers:
> > + - Andreas Kemnade <andreas@xxxxxxxxxxxx>
> > +
> > +description:
> > + The BD2606 MVV is a programmable LED controller connected via I2C that can
> > + drive 6 separate lines. Each of them can be individually switched on and off
> > + but the brightness setting is shared between two of them.
>
> Maybe add a link to data-sheet?
> https://fscdn.rohm.com/en/products/databook/datasheet/ic/power/led_driver/bd2606mvv_1-e.pdf
>
Maybe also (because it has the register description):
https://fscdn.rohm.com/en/products/databook/applinote/ic/power/led_driver/bd2606mvv_tsb_001_ug-e.pdf

> > +
> > +properties:
> > + compatible:
> > + const: rohm,bd2606mvv
> > +
> > + reg:
> > + description: I2C slave address of the controller.
> > + maxItems: 1
> > +
> > + "#address-cells":
> > + const: 1
> > +
> > + "#size-cells":
> > + const: 0
> > +
> > +patternProperties:
> > + "^led@[0-6]$":
> > + type: object
> > + $ref: common.yaml#
> > + unevaluatedProperties: false
> > +
> > + properties:
> > + reg:
> > + minimum: 0
> > + maximum: 6
> > +
> > + required:
> > + - reg
> > +
> > +additionalProperties: false
>
> According to the data-sheet, BD2606 has an enable-pin. Should it be
> visible in the bindings?
>
yes, it should.

Regards,
Andreas