linux-kernel - Re: [PATCH v2 09/13] dt-bindings: pinctrl: include common schema in GPIO controllers

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Message-ID: <20200917201204.GG3969@pendragon.ideasonboard.com>
Date:   Thu, 17 Sep 2020 23:12:04 +0300
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Rob Herring <robh+dt@...nel.org>, Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Hoan Tran <hoan@...amperecomputing.com>,
        Serge Semin <fancer.lancer@...il.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Jacopo Mondi <jacopo+renesas@...ndi.org>,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        Niklas Söderlund 
        <niklas.soderlund+renesas@...natech.se>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Charles Keepax <ckeepax@...nsource.cirrus.com>,
        Richard Fitzgerald <rf@...nsource.cirrus.com>,
        Lee Jones <lee.jones@...aro.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Andreas Färber <afaerber@...e.de>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Chris Packham <chris.packham@...iedtelesis.co.nz>,
        Anson Huang <Anson.Huang@....com>,
        Sungbo Eo <mans0n@...ani.run>, Stefan Agner <stefan@...er.ch>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Magnus Damm <magnus.damm@...il.com>,
        Yash Shah <yash.shah@...ive.com>,
        Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
        - <patches@...nsource.cirrus.com>,
        Matti Vaittinen <matti.vaittinen@...rohmeurope.com>,
        Amelie Delaunay <amelie.delaunay@...com>,
        Cristian Ciocaltea <cristian.ciocaltea@...il.com>,
        Paul Cercueil <paul@...pouillou.net>,
        Andy Teng <andy.teng@...iatek.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Sricharan R <sricharan@...eaurora.org>,
        Chris Brandt <chris.brandt@...esas.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-unisoc@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, linux-riscv@...ts.infradead.org,
        linux-media@...r.kernel.org, alsa-devel@...a-project.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-mediatek@...ts.infradead.org,
        linux-renesas-soc@...r.kernel.org
Subject: Re: [PATCH v2 09/13] dt-bindings: pinctrl: include common schema in
 GPIO controllers

Hi Krzysztof,

Thank you for the patch.

On Thu, Sep 17, 2020 at 06:52:57PM +0200, Krzysztof Kozlowski wrote:
> Include the common GPIO schema in GPIO controllers to be sure all common
> properties are properly validated.

Shouldn't we delete the properties that are now redundant from these
schemas ?

> Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
> 
> ---
> 
> Changes since v1:
> 1. New patch
> ---
>  .../devicetree/bindings/pinctrl/actions,s500-pinctrl.yaml      | 3 +++
>  .../bindings/pinctrl/allwinner,sun4i-a10-pinctrl.yaml          | 1 +
>  .../devicetree/bindings/pinctrl/cirrus,lochnagar.yaml          | 3 +++
>  Documentation/devicetree/bindings/pinctrl/ingenic,pinctrl.yaml | 3 +++
>  .../devicetree/bindings/pinctrl/mediatek,mt6779-pinctrl.yaml   | 3 +++
>  Documentation/devicetree/bindings/pinctrl/pinctrl-mt8192.yaml  | 3 +++
>  .../devicetree/bindings/pinctrl/qcom,ipq6018-pinctrl.yaml      | 3 +++
>  .../devicetree/bindings/pinctrl/qcom,msm8226-pinctrl.yaml      | 3 +++
>  .../devicetree/bindings/pinctrl/qcom,sm8250-pinctrl.yaml       | 3 +++
>  .../devicetree/bindings/pinctrl/renesas,rza2-pinctrl.yaml      | 3 +++
>  .../devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml          | 3 +++
>  11 files changed, 31 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/actions,s500-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/actions,s500-pinctrl.yaml
> index 33391d30c00c..51bfc214bba6 100644
> --- a/Documentation/devicetree/bindings/pinctrl/actions,s500-pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/actions,s500-pinctrl.yaml
> @@ -15,6 +15,9 @@ description: |
>    GPIO function selection & GPIO attributes configuration. Please refer to
>    pinctrl-bindings.txt in this directory for common binding part and usage.
>  
> +allOf:
> +  - $ref: /schemas/gpio/gpio-common.yaml#
> +
>  properties:
>    compatible:
>      const: actions,s500-pinctrl
> diff --git a/Documentation/devicetree/bindings/pinctrl/allwinner,sun4i-a10-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/allwinner,sun4i-a10-pinctrl.yaml
> index 7556be6e2754..55662f8d1f94 100644
> --- a/Documentation/devicetree/bindings/pinctrl/allwinner,sun4i-a10-pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/allwinner,sun4i-a10-pinctrl.yaml
> @@ -143,6 +143,7 @@ allOf:
>    # boards are defining it at the moment so it would generate a lot of
>    # warnings.
>  
> +  - $ref: /schemas/gpio/gpio-common.yaml#
>    - if:
>        properties:
>          compatible:
> diff --git a/Documentation/devicetree/bindings/pinctrl/cirrus,lochnagar.yaml b/Documentation/devicetree/bindings/pinctrl/cirrus,lochnagar.yaml
> index 420d74856032..ed478b0ed4cc 100644
> --- a/Documentation/devicetree/bindings/pinctrl/cirrus,lochnagar.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/cirrus,lochnagar.yaml
> @@ -31,6 +31,9 @@ description: |
>    This binding must be part of the Lochnagar MFD binding:
>      [4] ../mfd/cirrus,lochnagar.yaml
>  
> +allOf:
> +  - $ref: /schemas/gpio/gpio-common.yaml#
> +
>  properties:
>    compatible:
>      enum:
> diff --git a/Documentation/devicetree/bindings/pinctrl/ingenic,pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/ingenic,pinctrl.yaml
> index 44c04d11ae4c..ffa64832b4f9 100644
> --- a/Documentation/devicetree/bindings/pinctrl/ingenic,pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/ingenic,pinctrl.yaml
> @@ -59,6 +59,9 @@ properties:
>  patternProperties:
>    "^gpio@[0-9]$":
>      type: object
> +    allOf:
> +      - $ref: /schemas/gpio/gpio-common.yaml#
> +
>      properties:
>        compatible:
>          enum:
> diff --git a/Documentation/devicetree/bindings/pinctrl/mediatek,mt6779-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/mediatek,mt6779-pinctrl.yaml
> index 152c151c27ad..7d0a4cb96f39 100644
> --- a/Documentation/devicetree/bindings/pinctrl/mediatek,mt6779-pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/mediatek,mt6779-pinctrl.yaml
> @@ -14,6 +14,9 @@ description: |+
>    required property:
>    - compatible: "syscon"
>  
> +allOf:
> +  - $ref: /schemas/gpio/gpio-common.yaml#
> +
>  properties:
>    compatible:
>      const: mediatek,mt6779-pinctrl
> diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8192.yaml b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8192.yaml
> index 5556def6b99b..bc8bc0ac1926 100644
> --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8192.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8192.yaml
> @@ -12,6 +12,9 @@ maintainers:
>  description: |
>    The Mediatek's Pin controller is used to control SoC pins.
>  
> +allOf:
> +  - $ref: /schemas/gpio/gpio-common.yaml#
> +
>  properties:
>    compatible:
>      const: mediatek,mt8192-pinctrl
> diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,ipq6018-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,ipq6018-pinctrl.yaml
> index c64c93206817..22a6b80b4c0e 100644
> --- a/Documentation/devicetree/bindings/pinctrl/qcom,ipq6018-pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/qcom,ipq6018-pinctrl.yaml
> @@ -13,6 +13,9 @@ description: |
>    This binding describes the Top Level Mode Multiplexer block found in the
>    IPQ6018 platform.
>  
> +allOf:
> +  - $ref: /schemas/gpio/gpio-common.yaml#
> +
>  properties:
>    compatible:
>      const: qcom,ipq6018-pinctrl
> diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,msm8226-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,msm8226-pinctrl.yaml
> index 1f0f5757f9e1..9855d859fe61 100644
> --- a/Documentation/devicetree/bindings/pinctrl/qcom,msm8226-pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/qcom,msm8226-pinctrl.yaml
> @@ -13,6 +13,9 @@ description: |
>    This binding describes the Top Level Mode Multiplexer block found in the
>    MSM8226 platform.
>  
> +allOf:
> +  - $ref: /schemas/gpio/gpio-common.yaml#
> +
>  properties:
>    compatible:
>      const: qcom,msm8226-pinctrl
> diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sm8250-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sm8250-pinctrl.yaml
> index 8508c57522fd..e5757b6ced40 100644
> --- a/Documentation/devicetree/bindings/pinctrl/qcom,sm8250-pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/qcom,sm8250-pinctrl.yaml
> @@ -13,6 +13,9 @@ description: |
>    This binding describes the Top Level Mode Multiplexer block found in the
>    SM8250 platform.
>  
> +allOf:
> +  - $ref: /schemas/gpio/gpio-common.yaml#
> +
>  properties:
>    compatible:
>      const: qcom,sm8250-pinctrl
> diff --git a/Documentation/devicetree/bindings/pinctrl/renesas,rza2-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/renesas,rza2-pinctrl.yaml
> index b7911a994f3a..4d7bf4340262 100644
> --- a/Documentation/devicetree/bindings/pinctrl/renesas,rza2-pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/renesas,rza2-pinctrl.yaml
> @@ -10,6 +10,9 @@ maintainers:
>    - Chris Brandt <chris.brandt@...esas.com>
>    - Geert Uytterhoeven <geert+renesas@...der.be>
>  
> +allOf:
> +  - $ref: /schemas/gpio/gpio-common.yaml#
> +
>  description:
>    The Renesas SoCs of the RZ/A2 series feature a combined Pin and GPIO
>    controller.
> diff --git a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml
> index 72877544ca78..28b861362ba0 100644
> --- a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml
> @@ -56,6 +56,9 @@ properties:
>  patternProperties:
>    '^gpio@[0-9a-f]*$':
>      type: object
> +    allOf:
> +      - $ref: /schemas/gpio/gpio-common.yaml#
> +
>      properties:
>        gpio-controller: true
>        '#gpio-cells':

-- 
Regards,

Laurent Pinchart