linux-kernel - Re: [PATCH v3 2/2] dt-bindings: pinctrl: add loongson2 pinctrl

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Message-ID: <18e982cd-6dd9-71e9-331d-6f4078235c8f@linaro.org>
Date:   Tue, 25 Oct 2022 12:06:25 -0400
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Yinbo Zhu <zhuyinbo@...ngson.cn>,
        Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        zhanghongchen <zhanghongchen@...ngson.cn>
Subject: Re: [PATCH v3 2/2] dt-bindings: pinctrl: add loongson2 pinctrl

On 23/10/2022 21:42, Yinbo Zhu wrote:
> Add the loongson2 pinctrl binding with DT schema format using
> json-schema.
> 
> Signed-off-by: Yinbo Zhu <zhuyinbo@...ngson.cn>
> ---
> Change in v3:
> 		1. Drop the quotes in "pinctrl.yaml#".
> 		2. Remove the items in function node.
> 		3. Add requird node for "group" and "function" in properties.
> 
>  .../pinctrl/loongson,ls2k-pinctrl.yaml        | 129 ++++++++++++++++++
>  MAINTAINERS                                   |   1 +
>  2 files changed, 130 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pinctrl/loongson,ls2k-pinctrl.yaml
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/loongson,ls2k-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/loongson,ls2k-pinctrl.yaml
> new file mode 100644
> index 000000000000..6284359986de
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/loongson,ls2k-pinctrl.yaml
> @@ -0,0 +1,129 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pinctrl/loongson,ls2k-pinctrl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Loongson2 SoC Pinctrl Controller
> +
> +maintainers:
> +  - zhanghongchen <zhanghongchen@...ngson.cn>
> +  - Yinbo Zhu <zhuyinbo@...ngson.cn>
> +
> +allOf:
> +  - $ref: pinctrl.yaml#
> +
> +properties:
> +  compatible:
> +    const: loongson,ls2k-pinctrl
> +
> +  reg:
> +    maxItems: 1
> +
> +patternProperties:
> +  '-pins$':
> +    type: object
> +
> +    additionalProperties: false
> +
> +    patternProperties:
> +      'pinmux$':
> +        type: object
> +        description: node for pinctrl.
> +        $ref: pinmux-node.yaml#
> +
> +        unevaluatedProperties: false
> +
> +        properties:
> +          groups:
> +            description:
> +              One or more groups of pins to mux to a certain function
> +            items:
> +              enum: [gpio, sdio, can1, can0, pwm3, pwm2, pwm1, pwm0, i2c1, i2c0,
> +                     nand, sata_led, lio, i2s, hda, uart2, uart1, camera, dv01,
> +                     dvo0]
> +          function:
> +            description:
> +              The function that a group of pins is muxed to
> +            enum: [gpio, sdio, can1, can0, pwm3, pwm2, pwm1, pwm0, i2c1, i2c0,
> +                   nand, sata_led, lio, i2s, hda, uart2, uart1, camera, dv01,
> +                   dvo0]
> +
> +        dependencies:
> +          groups: [function]
> +          function: [groups]

Since you added them as required, drop dependencies.
> +
> +        required:
> +          - groups
> +          - function
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    pctrl: pinctrl@...00420 {
> +        compatible = "loongson,ls2k-pinctrl";
> +        reg = <0x1fe00420 0x18>;
> +        sdio_pins_default: sdio-pins {
> +            sdio-pinmux {
> +                groups ="sdio";
> +                function ="sdio";

Missing spaces after '='. Applies in other places as well.


Best regards,
Krzysztof