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Message-ID: <ce45d170-9331-47b5-b8c3-6feff489db1b@kontron.de>
Date:   Wed, 6 Dec 2023 15:54:17 +0100
User-Agent: Mozilla Thunderbird
Subject: Re: [PATCH v3 01/14] arm64: dts: imx8mm-kontron: Add support for
 display bridges on BL i.MX8MM
Content-Language: en-US, de-DE
To:     Fabio Estevam <festevam@gmail.com>,
        Frieder Schrempf <frieder@fris.de>
Cc:     Conor Dooley <conor+dt@kernel.org>, devicetree@vger.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        Rob Herring <robh+dt@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Shawn Guo <shawnguo@kernel.org>,
        NXP Linux Team <linux-imx@nxp.com>,
        Pengutronix Kernel Team <kernel@pengutronix.de>
References: <20231206144201.46911-1-frieder@fris.de>
 <20231206144201.46911-2-frieder@fris.de>
 <CAOMZO5Akp9PsFf2GrSFTKyM1c3kSUEeU=W9ODgiMkyHATRWHOw@mail.gmail.com>
From:   Frieder Schrempf <frieder.schrempf@kontron.de>
In-Reply-To: <CAOMZO5Akp9PsFf2GrSFTKyM1c3kSUEeU=W9ODgiMkyHATRWHOw@mail.gmail.com>
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Hi Fabio,

On 06.12.23 15:47, Fabio Estevam wrote:
> Hi Frieder,
> 
> On Wed, Dec 6, 2023 at 11:44 AM Frieder Schrempf <frieder@fris.de> wrote:
> 
>> +               a2vdd-supply = <&reg_vdd_1v8>;
>> +               avdd-supply = <&reg_vdd_1v8>;
>> +               dvdd-supply = <&reg_vdd_1v8>;
>> +               pvdd-supply = <&reg_vdd_1v8>;
>> +               v1p2-supply = <&reg_vdd_1v8>;
> 
> Supplying 1.8V to v1p2-supply looks strange.

Indeed, but it's correct. From the binding docs:

  v1p2-supply:
    description:
      A supply that powers up the V1P2 pin. It can be either 1.2V
      or 1.8V for ADV7533 but only 1.8V for ADV7535.

Best regards
Frieder