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Message-ID: <3811189.poQrIVWTgf@phil>
Date: Mon, 19 Aug 2019 16:43:45 +0200
From: Heiko Stuebner <heiko@...ech.de>
To: Kever Yang <kever.yang@...k-chips.com>
Cc: linux-rockchip@...ts.infradead.org, Chen-Yu Tsai <wens@...e.org>,
Jonas Karlman <jonas@...boo.se>,
Katsuhiro Suzuki <katsuhiro@...suster.net>,
Mark Rutland <mark.rutland@....com>,
Rob Herring <robh+dt@...nel.org>,
Tomohiro Mayama <parly-gh@...s.mystia.org>,
Vasily Khoruzhick <anarsoul@...il.com>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] arm: dts: rockchip: fix vcc_host_5v regulator for usb3 host
Hi Kever,
Am Montag, 19. August 2019, 02:29:31 CEST schrieb Kever Yang:
> Hi Heiko,
>
> On 2019/8/16 下午8:24, Heiko Stuebner wrote:
> > Hi Kever, TL,
> >
> > [added TL Lim for clarification]
> >
> > Am Donnerstag, 15. August 2019, 10:12:52 CEST schrieb Kever Yang:
> >> According to rock64 schemetic V2 and V3, the VCC_HOST_5V output is
> >> controlled by USB_20_HOST_DRV, which is the same as VCC_HOST1_5V.
> > The v1 schematics I have do reference the GPIO0_A0 as controlling this
> > supply, so the big question would be how to handle the different versions.
> >
> > Because adding this would probably break v1 boards in this function.
> >
> > @TL: where v1 boards also sold or were they only used during development?
>
>
> I have check this with TL when I make this patch, the V1 hardware was
> never sold and only V2/V3
>
> are available on the market.
Thanks for clearing this up. I've applied this patch for 5.4 now.
Thanks
Heiko
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