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Subject: Re: [PATCH] ARM64: dts: update MDIO speed and preamble for zii-ultra
 device
To:     Chris Healy <cphealy@gmail.com>, Shawn Guo <shawnguo@kernel.org>,
        Fabio Estevam <festevam@gmail.com>,
        Andrew Lunn <andrew@lunn.ch>, Rob Herring <robh+dt@kernel.org>,
        devicetree@vger.kernel.org,
        linux-kernel <linux-kernel@vger.kernel.org>,
        linux ARM <linux-arm-kernel@lists.infradead.org>
References: <CAFXsbZrVZjiyO_G6z6T82t0xT36Zi2gGo0kPnt6n58R-rO3TVg@mail.gmail.com>
From:   Florian Fainelli <f.fainelli@gmail.com>
Message-ID: <7f627cb8-2eae-cdc9-09fc-e3e612b5632a@gmail.com>
Date:   Tue, 7 Jul 2020 14:59:32 -0700
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Hi Chris,

On 7/4/2020 6:26 PM, Chris Healy wrote:
> Update MDIO configuration with zii-ultra device to fully utilize
> MDIO endpoint capabilities.  Device supports 12.5MHz clock and
> doesn't require MDIO preamble.
> 
> Signed-off-by: Chris Healy <cphealy@gmail.com>
> ---
>  arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi
> b/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi
> index 6a55165bd76a..98aa67a4c040 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi
> @@ -132,6 +132,8 @@
>          #address-cells = <1>;
>          #size-cells = <0>;
>          status = "okay";
> +        suppress-preamble = <1>;

suppress-preamble is defined as a boolean, so you can remove the "= <1>"
part entirely.
-- 
Florian