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Message-ID: <20170629201324.c4t7bcrhsdoftkd3@rob-hp-laptop>
Date: Thu, 29 Jun 2017 15:13:24 -0500
From: Rob Herring <robh@...nel.org>
To: Andrew Jeffery <andrew@...id.au>
Cc: linus.walleij@...aro.org, mark.rutland@....com, joel@....id.au,
benh@...nel.crashing.org, ryan_chen@...eedtech.com,
linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-aspeed@...ts.ozlabs.org
Subject: Re: [PATCH 2/4] ARM: aspeed: g5: Add USB functions to pinctrl
bindings
On Tue, Jun 27, 2017 at 11:42:12AM +0930, Andrew Jeffery wrote:
> The Aspeed AST2500 SoC contains a number of USB controllers:
>
> * USB 1.1 Host Controller
> * USB 2.0 Host Controller (x2)
> * Combined USB 2.0 Virtual Hub and USB 1.1 HID Controller
>
> The controllers are exposed via two USB ports with functionality muxed
> as required. The following table illustrates the relationships between
> the ports and the controllers via the mux function names:
>
> Port | USB Version | USB Mode | Mux Function
> ------|--------------|--------------|-------------
> A | 2.0 | Virtual Hub | USB2AD
> A | 2.0 | Host | USB2AH
> B | 1.1 | HID | USB11BHID
> B | 2.0 | Device | USB2BD
> B | 2.0 | Host | USB2BH
>
> Signed-off-by: Andrew Jeffery <andrew@...id.au>
> ---
> Documentation/devicetree/bindings/pinctrl/pinctrl-aspeed.txt | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
Acked-by: Rob Herring <robh@...nel.org>
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