2013-07-03 11:00:54

by Nicolas Ferre

[permalink] [raw]
Subject: [PATCH] ARM: at91/DT: at91sam9x5ek: fix USB host property to enable port C

Device Tree "num-ports" property of USB host node has to be
set to maximum number of ports available.
The possibility to activate a particular port is done by specifying the proper
gpio configuration for its vbus.

This patch fixes the USB host node by configuring the 3 ports available on the
product and letting "port A" available for USB gadget usage.

Reported-by: Rodolfo Giometti <[email protected]>
Signed-off-by: Nicolas Ferre <[email protected]>
Cc: Bo Shen <[email protected]>
---
arch/arm/boot/dts/at91sam9x5ek.dtsi | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/at91sam9x5ek.dtsi b/arch/arm/boot/dts/at91sam9x5ek.dtsi
index b753855..49e3c45 100644
--- a/arch/arm/boot/dts/at91sam9x5ek.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5ek.dtsi
@@ -94,8 +94,9 @@

usb0: ohci@00600000 {
status = "okay";
- num-ports = <2>;
- atmel,vbus-gpio = <&pioD 19 GPIO_ACTIVE_LOW
+ num-ports = <3>;
+ atmel,vbus-gpio = <0 /* &pioD 18 GPIO_ACTIVE_LOW *//* Activate to have access to port A */
+ &pioD 19 GPIO_ACTIVE_LOW
&pioD 20 GPIO_ACTIVE_LOW
>;
};
--
1.8.2.2


Subject: Re: [PATCH] ARM: at91/DT: at91sam9x5ek: fix USB host property to enable port C

On 13:00 Wed 03 Jul , Nicolas Ferre wrote:
> Device Tree "num-ports" property of USB host node has to be
> set to maximum number of ports available.
> The possibility to activate a particular port is done by specifying the proper
> gpio configuration for its vbus.
>
> This patch fixes the USB host node by configuring the 3 ports available on the
> product and letting "port A" available for USB gadget usage.
>
> Reported-by: Rodolfo Giometti <[email protected]>
> Signed-off-by: Nicolas Ferre <[email protected]>
> Cc: Bo Shen <[email protected]>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <[email protected]>

> ---
> arch/arm/boot/dts/at91sam9x5ek.dtsi | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/boot/dts/at91sam9x5ek.dtsi b/arch/arm/boot/dts/at91sam9x5ek.dtsi
> index b753855..49e3c45 100644
> --- a/arch/arm/boot/dts/at91sam9x5ek.dtsi
> +++ b/arch/arm/boot/dts/at91sam9x5ek.dtsi
> @@ -94,8 +94,9 @@
>
> usb0: ohci@00600000 {
> status = "okay";
> - num-ports = <2>;
> - atmel,vbus-gpio = <&pioD 19 GPIO_ACTIVE_LOW
> + num-ports = <3>;
> + atmel,vbus-gpio = <0 /* &pioD 18 GPIO_ACTIVE_LOW *//* Activate to have access to port A */
on 2 line would have been more clear


Best Regards,
J.
> + &pioD 19 GPIO_ACTIVE_LOW
> &pioD 20 GPIO_ACTIVE_LOW
> >;
> };
> --
> 1.8.2.2
>