Re: [PATCH v2 1/2] dt-bindings: leds: ROHM BD2606MVV LED driver

From: Krzysztof Kozlowski
Date: Mon Apr 10 2023 - 11:34:11 EST


On 07/04/2023 07:08, Andreas Kemnade wrote:
> Document ROHM BD2606MVV LED driver devicetree bindings.

Subject: maybe drop "driver" (suggests it is for Linux drivers, although
maybe it matches the actual hardware here?) and add missing verb, e.g.
"Add ROHM ..."

>
> Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
> ---
> .../bindings/leds/rohm,bd2606mvv.yaml | 83 +++++++++++++++++++
> 1 file changed, 83 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..7f53d09e7b054
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/leds/rohm,bd2606mvv.yaml
> @@ -0,0 +1,83 @@
> +# 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

ROHM BD....

> +
> +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.
> +
> + Datasheet is available at
> + https://fscdn.rohm.com/en/products/databook/datasheet/ic/power/led_driver/bd2606mvv_1-e.pdf
> +
> +properties:
> + compatible:
> + const: rohm,bd2606mvv
> +
> + reg:
> + description: I2C slave address of the controller.

Drop description, it's obvious.

> + maxItems: 1
> +
> + "#address-cells":
> + const: 1
> +
> + "#size-cells":
> + const: 0
> +
> + enable-gpios:
> + maxItems: 1
> + description: GPIO pin to enable/disable the device.
> +
> +patternProperties:
> + "^led@[0-6]$":
> + type: object
> + $ref: common.yaml#
> + unevaluatedProperties: false
> +
> + properties:
> + reg:
> + minimum: 0
> + maximum: 6
> +
> + required:
> + - reg
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> +
Drop blank line

> + #include <dt-bindings/leds/common.h>
> +
> + i2c0 {

i2c {

> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + led-controller@66 {
> + compatible = "rohm,bd2606mvv";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x66>;

reg is always second property in DTS.

> +
> + led@0 {
> + color = <LED_COLOR_ID_RED>;
> + function = LED_FUNCTION_POWER;
> + reg = <0x0>;

Ditto



Best regards,
Krzysztof