linux-kernel - Re: [PATCH 6/6] dt-bindings: power: supply: qcom,smb2: add bindings for smb2 driver

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Date:   Sun, 3 Apr 2022 12:44:26 +0530
From:   Kuldeep Singh <singh.kuldeep87k@...il.com>
To:     Caleb Connolly <caleb.connolly@...aro.org>
Cc:     Sebastian Reichel <sre@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        Amit Pundir <amit.pundir@...aro.org>,
        Sumit Semwal <sumit.semwal@...aro.org>
Subject: Re: [PATCH 6/6] dt-bindings: power: supply: qcom,smb2: add bindings
 for smb2 driver

On Fri, Apr 01, 2022 at 09:26:43PM +0100, Caleb Connolly wrote:
> Add devicetree bindings for the Qualcomm PMI8998/PM660 SMB2 charger
> drivers.
> 
> Signed-off-by: Caleb Connolly <caleb.connolly@...aro.org>
> ---
>  .../bindings/power/supply/qcom,smb2.yaml      | 68 +++++++++++++++++++
>  1 file changed, 68 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/power/supply/qcom,smb2.yaml
> 
> diff --git a/Documentation/devicetree/bindings/power/supply/qcom,smb2.yaml b/Documentation/devicetree/bindings/power/supply/qcom,smb2.yaml
> new file mode 100644
> index 000000000000..1bea1fef78b8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/supply/qcom,smb2.yaml
> @@ -0,0 +1,68 @@
> +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/power/supply/qcom,smb2.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm PMI8998/PM660 Switch-Mode Battery Charger "2"
> +
> +maintainers:
> +  - Caleb Connolly <caleb.connolly@...aro.org>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - qcom,pmi8998-smb2

Since there's only 1 entry, please use const.

> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    items:
> +      - description: usb plugin
> +
> +  interrupt-names:
> +    items:
> +      - const: usb-plugin
> +
> +  io-channels:
> +    items:
> +      - description: USB in current in uA
> +      - description: USB in voltage in uV
> +
> +  io-channel-names:
> +    items:
> +      - const: usbin_i
> +      - const: usbin_v
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - interrupt-names
> +  - io-channels
> +  - io-channel-names
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/irq.h>

New line here. Looks nice.

> +    pmic {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +      #interrupt-cells = <4>;
> +
> +      smb2@...0 {
> +        compatible = "qcom,pmi8998-smb2";
> +        reg = <0x1000>;
> +
> +        interrupts = <0x2 0x13 0x4 IRQ_TYPE_EDGE_BOTH>;
> +        interrupt-names = "usb-plugin";
> +

In-between new lines may not be required.
And DTs use tabs instead of 2 spaces, we can follow that here also.

> +        io-channels = <&pmi8998_rradc 3>,
> +                      <&pmi8998_rradc 4>;
> +        io-channel-names = "usbin_i",
> +                           "usbin_v";

Channel-names can be written in one line.

> +      };
> +    };
> -- 
> 2.35.1
>