Re: [PATCH 2/3] dt-bindings: leds: Add binding for Broadchip BCT3024 LED driver

From: Krzysztof Kozlowski
Date: Fri Jul 28 2023 - 03:31:36 EST


On 27/07/2023 18:05, Matus Gajdos wrote:
> The BCT3024 chip is an I2C LED driver with independent 24 output
> channels. Each channel supports 256 levels.
>
> Signed-off-by: Matus Gajdos <matuszpd@xxxxxxxxx>

Thank you for your patch. There is something to discuss/improve.

A nit, subject: drop second/last, redundant "binding for". The
"dt-bindings" prefix is already stating that these are bindings.

> ---
> .../bindings/leds/broadchip,bct3024.yaml | 89 +++++++++++++++++++
> 1 file changed, 89 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/leds/broadchip,bct3024.yaml
>
> diff --git a/Documentation/devicetree/bindings/leds/broadchip,bct3024.yaml b/Documentation/devicetree/bindings/leds/broadchip,bct3024.yaml
> new file mode 100644
> index 000000000000..0d622894e79c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/leds/broadchip,bct3024.yaml
> @@ -0,0 +1,89 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/leds/broadchip,bct3024.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Broadchip BCT3024 LED Driver
> +
> +maintainers:
> + - Matus Gajdos <matuszpd@xxxxxxxxx>
> +
> +description: |
> + The BCT3024 is an I2C LED driver with independent 24 output channels. Each
> + channel supports 256 levels and its output current can be scaled by a factor
> + of 1, 1/2, 1/3 and 1/4.
> +
> +properties:
> + compatible:
> + const: broadchip,bct3024
> +
> + reg:
> + description: I2C slave address of the driver.

Drop description, it is obvious.

> + maxItems: 1
> +
> + vdd-supply:
> + description: Regulator providing power to the VDD pin.
> +
> + shutdown-gpios:

powerdown-gpios instead. See gpio-consumer-common.yaml

> + maxItems: 1

And this won't be needed.

> + description: GPIO attached to the SDB pin.
> +
> + "#address-cells":
> + const: 1
> +
> + "#size-cells":
> + const: 0
> +


Best regards,
Krzysztof