Re: [PATCH v2 2/2] dt-bindings: leds: Document Awinic AW2026 bindings

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On 25/05/2023 12:14, Vladimir Barinov wrote:
> Add Awinic AW2026 binding documentation
> 
> Signed-off-by: Vladimir Barinov <v.barinov@xxxxxxxxx>
> ---
> Changes in version 2:
> - fixed typos in patch header 2016 -> 2026
> - fixed typo in example section that break dt_binding_check
> 
>  .../bindings/leds/awinic,aw2026.yaml          | 92 +++++++++++++++++++
>  1 file changed, 92 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/leds/awinic,aw2026.yaml
> 
> diff --git a/Documentation/devicetree/bindings/leds/awinic,aw2026.yaml b/Documentation/devicetree/bindings/leds/awinic,aw2026.yaml
> new file mode 100664
> index 000000000000..abacf746677b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/leds/awinic,aw2026.yaml
> @@ -0,0 +1,93 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/leds/awinic,aw2026.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Awinic AW2026 3-channel LED Driver
> +
> +maintainers:
> +  - Vladimir Barinov <v.barinov@xxxxxxxxx>
> +
> +description: |

Do not need '|' unless you need to preserve formatting.

> +  The AW2026 is a 3-channel LED driver with I2C interface. It can control
> +  LED brightness with PWM output. It supports hardware blinking and
> +  hardware patterns.
> +
> +properties:
> +  compatible:
> +    const: awinic,aw2026
> +
> +  reg:
> +    maxItems: 1
> +
> +  "#address-cells":
> +    const: 1
> +
> +  "#size-cells":
> +    const: 0
> +
> +  awinic,led-max-microamp:

microamp is per sub-LED, not per entire device. This is already
expressed by common bindings. Drop entire property and use common one in
children.



> +    description:
> +      Maximum current at LED output
> +    enum:
> +      [3000, 6375, 12750, 25500]
> +
> +  vcc-supply:
> +    description: Regulator providing power to the "VBAT" pin.
> +
> +patternProperties:
> +  "^led@[0-2]$":
> +    type: object
> +    $ref: common.yaml#

unevaluatedProperties: false

Just open existing bindings and do not code it differently...

> +
> +    properties:
> +      reg:
> +        description: Index of the LED.
> +        minimum: 0
> +        maximum: 2
> +
> +required:
> +  - compatible
> +  - reg
> +  - "#address-cells"
> +  - "#size-cells"
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/leds/common.h>
> +
> +    i2c0 {

i2c

> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        led-controller@64 {
> +            compatible = "awinic,aw2026";
> +            reg = <0x64>;
> +            #address-cells = <1>;
> +            #size-cells = <0>;
> +            awinic,led-max-microamp = <6375>;
> +            vcc-supply = <&vcc_3v3_s0>;
> +
> +            led@0 {
> +                    reg = <0>;

Wrong indenration.
Use 4 spaces for example indentation.

> +                    function = LED_FUNCTION_INDICATOR;
> +                    color = <LED_COLOR_ID_RED>;
> +            };

Best regards,
Krzysztof




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