linux-kernel - Re: [PATCH v3 2/2] dt-bindings: add bindings for QCOM flash LED

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Message-ID: <b335e842-0dd9-851a-9876-8ee4711609c0@linaro.org>
Date:   Wed, 19 Oct 2022 09:36:24 -0400
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Fenglin Wu <quic_fenglinw@...cinc.com>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Pavel Machek <pavel@....cz>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-leds@...r.kernel.org, devicetree@...r.kernel.org
Cc:     quic_collinsd@...cinc.com, quic_subbaram@...cinc.com
Subject: Re: [PATCH v3 2/2] dt-bindings: add bindings for QCOM flash LED

On 17/10/2022 21:40, Fenglin Wu wrote:
> Add binding document for flash LED module inside Qualcomm Technologies,
> Inc. PMICs.

Use subject prefixes matching the subsystem (git log --oneline -- ...).

This means:
1. you miss subsystem prefix
2. drop redundant second "bindings"

> 
> Signed-off-by: Fenglin Wu <quic_fenglinw@...cinc.com>
> ---
>  .../bindings/leds/qcom,spmi-flash-led.yaml    | 116 ++++++++++++++++++
>  1 file changed, 116 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/leds/qcom,spmi-flash-led.yaml
> 
> diff --git a/Documentation/devicetree/bindings/leds/qcom,spmi-flash-led.yaml b/Documentation/devicetree/bindings/leds/qcom,spmi-flash-led.yaml
> new file mode 100644
> index 000000000000..d8efde02db72
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/leds/qcom,spmi-flash-led.yaml
> @@ -0,0 +1,116 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/leds/qcom,spmi-flash-led.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Flash LED device inside Qualcomm Technologies, Inc. PMICs
> +
> +maintainers:
> +  - Fenglin Wu <quic_fenglinw@...cinc.com>
> +
> +description: |
> +  Flash LED controller is present inside some Qualcomm Technologies, Inc. PMICs.
> +  The flash LED module can have different number of LED channels supported
> +  e.g. 3 or 4. There are some different registers between them but they can
> +  both support maximum current up to 1.5 A per channel and they can also support
> +  ganging 2 channels together to supply maximum current up to 2 A. The current
> +  will be split symmetrically on each channel and they will be enabled and
> +  disabled at the same time.
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - qcom,pm8150c-flash-led
> +          - qcom,pm8150l-flash-led
> +          - qcom,pm8350c-flash-led
> +      - const: qcom,spmi-flash-led

Blank line

> +  reg:
> +    description: address offset of the flash LED controller

Drop description, it's obvious.

> +    maxItems: 1
> +
> +patternProperties:
> +  "^led-[0-3]$":
> +    type: object
> +    $ref: common.yaml#
> +    unevaluatedProperties: false
> +    description: |

No need for |

> +      Represents the physical LED components which are connected to the
> +      flash LED channels' output.
> +
> +    properties:
> +      led-sources:
> +        description: |

No need for |

Rest looks good:

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Best regards,
Krzysztof