linux-kernel - Re: [PATCH 2/4] ARM: aspeed: g5: Add USB functions to pinctrl bindings

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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>