[PATCH 11/14] dt-bindings: leds: mt6370: Add Mediatek mt6370 indicator documentation

Krzysztof Kozlowski krzysztof.kozlowski at linaro.org
Tue May 31 13:38:31 PDT 2022


On 31/05/2022 12:42, ChiaEn Wu wrote:
> From: ChiYuan Huang <cy_huang at richtek.com>
> 
> Add Mediatek mt6370 indicator documentation.
> 
> Signed-off-by: ChiYuan Huang <cy_huang at richtek.com>
> ---
>  .../leds/mediatek,mt6370-indicator.yaml       | 57 +++++++++++++++++++
>  1 file changed, 57 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/leds/mediatek,mt6370-indicator.yaml
> 
> diff --git a/Documentation/devicetree/bindings/leds/mediatek,mt6370-indicator.yaml b/Documentation/devicetree/bindings/leds/mediatek,mt6370-indicator.yaml
> new file mode 100644
> index 000000000000..823be3add097
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/leds/mediatek,mt6370-indicator.yaml
> @@ -0,0 +1,57 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/leds/mediatek,mt6370-indicator.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: LED driver for MT6370 PMIC from MediaTek Integrated.
> +
> +maintainers:
> +  - Alice Chen <alice_chen at richtek.com>
> +
> +description: |
> +  This module is part of the MT6370 MFD device.
> +  see Documentation/devicetree/bindings/mfd/mediatek,mt6370.yaml
> +  Add MT6370 LED driver include 4-channel RGB LED support Register/PWM/Breath Mode
> +
> +properties:
> +  compatible:
> +    const: mediatek,mt6370-indicator
> +
> +  "#address-cells":
> +    const: 1
> +
> +  "#size-cells":
> +    const: 0
> +
> +patternProperties:
> +  "^(multi-)?led@[0-3]$":
> +    description: |
> +      Properties for a single LED.

Not useful description. Just skip it, I think schema allows it.

> +    $ref: common.yaml#
> +    type: object
> +
> +    properties:
> +      reg:
> +        description: |
> +          Index of the LED.

The same, regs are usually not described.

> +        enum:
> +          - 0 # LED output ISINK1
> +          - 1 # LED output ISINK2
> +          - 2 # LED output ISINK3
> +          - 3 # LED output ISINK4
> +
> +      mediatek,soft-start:
> +        description: |
> +          soft start step control, support /0.5ms/1ms/1.5ms/2ms.

Why here you start sentence lower-case?

> +        $ref: /schemas/types.yaml#/definitions/uint32
> +        enum: [0, 1, 2, 3]

This has to be in logical values, so in ms, not in some register values.
Use proper unit suffix and enumerate the actual values.

> +
> +    unevaluatedProperties: false
> +
> +required:
> +  - compatible
> +  - "#address-cells"
> +  - "#size-cells"
> +
> +additionalProperties: false


Best regards,
Krzysztof



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