linux-kernel - Re: [PATCH v1 6/7] dt-bindings: clock: imx6q: Allow single optional clock and add enet_ref

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Message-ID: <20230614191808.GA2581397-robh@kernel.org>
Date:   Wed, 14 Jun 2023 13:18:08 -0600
From:   Rob Herring <robh@...nel.org>
To:     Oleksij Rempel <o.rempel@...gutronix.de>
Cc:     Abel Vesa <abelvesa@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Ulf Hansson <ulf.hansson@...aro.org>, kernel@...gutronix.de,
        Peng Fan <peng.fan@....com>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Michael Trimarchi <michael@...rulasolutions.com>,
        Mark Brown <broonie@...nel.org>,
        Dario Binacchi <dario.binacchi@...rulasolutions.com>,
        Anson Huang <Anson.Huang@....com>, Marek Vasut <marex@...x.de>,
        linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-crypto@...r.kernel.org, linux-input@...r.kernel.org,
        linux-mmc@...r.kernel.org
Subject: Re: [PATCH v1 6/7] dt-bindings: clock: imx6q: Allow single optional
 clock and add enet_ref_pad

On Thu, Jun 01, 2023 at 12:14:50PM +0200, Oleksij Rempel wrote:
> All clocks for this driver are optional, so this change allows the

It's not about what the driver supports, but the h/w. You are saying 
this SoC can operate with only 1 of any of the clock inputs?

> 'clocks' and 'clock-names' properties to accept a single clock.
> Additionally, 'enet_ref_pad' clock is added. This resolves the following
> dtbs_check warning:
>   imx6dl-alti6p.dtb: clock-controller@...4000: clocks: [[24]] is too short
>   From schema: Documentation/devicetree/bindings/clock/imx6q-clock.yaml
> 
>   imx6dl-alti6p.dtb: clock-controller@...4000: clock-names:0: 'osc' was
>     expected
>   From schema: Documentation/devicetree/bindings/clock/imx6q-clock.yaml
> 
>   imx6dl-alti6p.dtb: clock-controller@...4000: clock-names:
>     ['enet_ref_pad'] is too short
>   From schema: Documentation/devicetree/bindings/clock/imx6q-clock.yaml
> 
> Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
> ---
>  .../devicetree/bindings/clock/imx6q-clock.yaml    | 15 +++++++++------
>  1 file changed, 9 insertions(+), 6 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/clock/imx6q-clock.yaml b/Documentation/devicetree/bindings/clock/imx6q-clock.yaml
> index bae4fcb3aacc..ed65d19c2e0e 100644
> --- a/Documentation/devicetree/bindings/clock/imx6q-clock.yaml
> +++ b/Documentation/devicetree/bindings/clock/imx6q-clock.yaml
> @@ -28,20 +28,23 @@ properties:
>      const: 1
>  
>    clocks:
> +    minItems: 1
>      items:
>        - description: 24m osc
>        - description: 32k osc
>        - description: ckih1 clock input
>        - description: anaclk1 clock input
>        - description: anaclk2 clock input
> +      - description: enet_ref_pad
>  
>    clock-names:
> -    items:
> -      - const: osc
> -      - const: ckil
> -      - const: ckih1
> -      - const: anaclk1
> -      - const: anaclk2
> +    enum:
> +      - osc
> +      - ckil
> +      - ckih1
> +      - anaclk1
> +      - anaclk2
> +      - enet_ref_pad
>  
>    fsl,pmic-stby-poweroff:
>      $ref: /schemas/types.yaml#/definitions/flag
> -- 
> 2.39.2
>