From mboxrd@z Thu Jan  1 00:00:00 1970
From: jagan@amarulasolutions.com (Jagan Teki)
Date: Wed, 23 May 2018 11:44:56 +0530
Subject: [PATCH v3] arm64: allwinner: a64: Add Amarula A64-Relic initial
 support
In-Reply-To: <20180522143044.pgwawojiwnk2lzxb@flea>
References: <20180522132228.6564-1-jagan@amarulasolutions.com>
 <20180522143044.pgwawojiwnk2lzxb@flea>
Message-ID: <CAMty3ZD3JT-ToGAUHN_uj7uVK-jkyAwfEdTBCmJSj34bACFpYQ@mail.gmail.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Tue, May 22, 2018 at 8:00 PM, Maxime Ripard
<maxime.ripard@bootlin.com> wrote:
> On Tue, May 22, 2018 at 06:52:28PM +0530, Jagan Teki wrote:
>> Amarula A64-Relic is Allwinner A64 based IoT device, which support
>> - Allwinner A64 Cortex-A53
>> - Mali-400MP2 GPU
>> - AXP803 PMIC
>> - 1GB DDR3 RAM
>> - 8GB eMMC
>> - AP6330 Wifi/BLE
>> - MIPI-DSI
>> - CSI: OV5640 sensor
>> - USB OTG
>
> You claim that this is doing OTG...
>
> [..]
>
>> +&usb_otg {
>> +     dr_mode = "peripheral";
>> +     status = "okay";
>> +};
>
> ... and yet you're setting it as peripheral...

Though it claims OTG, board doesn't have any USB ports to operate(not
even Mini-AB) the only way to use the board as peripheral to transfer
images from host.