Re: [PATCH 2/4] ARM: aspeed: g5: Add USB functions to pinctrl bindings
From: Rob Herring
Date: Thu Jun 29 2017 - 16:13:37 EST
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@xxxxxxxx>
> ---
> Documentation/devicetree/bindings/pinctrl/pinctrl-aspeed.txt | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
Acked-by: Rob Herring <robh@xxxxxxxxxx>