Re: [PATCH] arm64: dts: clearfog-gt-8k: describe mini-PCIe CON2 USB

From: Baruch Siach <baruch@tkos.co.il>
To: Gregory CLEMENT <gregory.clement@bootlin.com>
Cc: Russell King <linux@armlinux.org.uk>,
	Andrew Lunn <andrew@lunn.ch>, Jason Cooper <jason@lakedaemon.net>,
	linux-arm-kernel@lists.infradead.org,
	Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Subject: Re: [PATCH] arm64: dts: clearfog-gt-8k: describe mini-PCIe CON2 USB
Date: Thu, 06 Dec 2018 19:02:57 +0200	[thread overview]
Message-ID: <87ftvak2pq.fsf@tkos.co.il> (raw)
In-Reply-To: <87tvjqveee.fsf@bootlin.com>

Hi Gregory,

Gregory CLEMENT writes:
>  On jeu., déc. 06 2018, Baruch Siach <baruch@tkos.co.il> wrote:
>
>> Enable the USB3 peripheral that is wired to CON2 on the Clearfog GT-8K
>> board.
>>
>> Signed-off-by: Baruch Siach <baruch@tkos.co.il>
>> ---
>>  arch/arm64/boot/dts/marvell/armada-8040-clearfog-gt-8k.dts | 4 ++++
>>  1 file changed, 4 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/marvell/armada-8040-clearfog-gt-8k.dts b/arch/arm64/boot/dts/marvell/armada-8040-clearfog-gt-8k.dts
>> index dfb26661a88e..5b4a9609e31f 100644
>> --- a/arch/arm64/boot/dts/marvell/armada-8040-clearfog-gt-8k.dts
>> +++ b/arch/arm64/boot/dts/marvell/armada-8040-clearfog-gt-8k.dts
>> @@ -282,6 +282,10 @@
>>  	vqmmc-supply = <&v_3_3>;
>>  };
>>
>> +&cp0_usb3_1 {
>
> Don't you have any phy for this USB3 port?

Not as far as I can see. Why would I need one? The serdes signals are
connected directly to the mini-PCIe, just like the USB Type-A connector
on the same board. I haven't tested the USB3 signals on the mini-PCIe,
though, as I have no USB3 mini-PCIe device.

baruch

>> +	status = "okay";
>> +};
>> +
>>  &cp1_pinctrl {
>>  	/*
>>  	 * MPP Bus:
>> --
>> 2.19.2
>>

--
     http://baruch.siach.name/blog/                  ~. .~   Tk Open Systems
=}------------------------------------------------ooO--U--Ooo------------{=
   - baruch@tkos.co.il - tel: +972.52.368.4656, http://www.tkos.co.il -

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