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From:   Fabio Estevam <festevam@gmail.com>
Date:   Fri, 21 Jun 2019 12:46:02 -0300
Message-ID: <CAOMZO5D+7msAxc99KFi=OWCNeBSxKXtJ8O=J7U+YE6v=xz3cAg@mail.gmail.com>
Subject: Re: [EXT] Re: [PATCH v3 1/2] dt-bindings: display: panel: Add support
 for Raydium RM67191 panel
To:     Robert Chiras <robert.chiras@nxp.com>
Cc:     dl-linux-imx <linux-imx@nxp.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "robh+dt@kernel.org" <robh+dt@kernel.org>,
        "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
        "sam@ravnborg.org" <sam@ravnborg.org>,
        "daniel@ffwll.ch" <daniel@ffwll.ch>,
        "mark.rutland@arm.com" <mark.rutland@arm.com>,
        "thierry.reding@gmail.com" <thierry.reding@gmail.com>,
        "dri-devel@lists.freedesktop.org" <dri-devel@lists.freedesktop.org>,
        "airlied@linux.ie" <airlied@linux.ie>
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Hi Robert,

On Fri, Jun 21, 2019 at 11:16 AM Robert Chiras <robert.chiras@nxp.com> wrote:

> From what I've seen in the schematics, the power lines on the DSI port
> on all the i.MX8 cores are coming from a PMIC providing power for all
> the peripherals. Since I didn't find a way to cut the power on a single
> peripheral (like DSI, for example) it doesn't make sense for power-
> supply property. For now, at least.

This panel driver is not supposed to only work with i.MX8 NXP reference boards.

The dt-bindings should be as accurate as possible from day one, so
describing the power-supply is important.

Please look at the panel datasheet and describe the required power
supplies accordingly.

Thanks