[U-Boot] [PATCH v10 4/4] Odroid-XU3: Add entry for DTS EHCI GPIO

Simon Glass sjg at chromium.org
Tue Dec 2 18:25:23 CET 2014


Hi,

On 2 December 2014 at 00:07, Hyungwon Hwang <human.hwang at samsung.com> wrote:
> From: Sjoerd Simons <sjoerd.simons at collabora.co.uk>
>
> Add samsung,vbus-gpio information for the XU3. This allows the usage of
> the EHCI controller on the XU3, which is connected to the SMSC LAN9514
> chip (usb hub + network).
>
> Note that this patch doesn't enable support for USB/USB networking in
> the default config as makes the u-boot binary too big for the current odroid
> setup.
>
> Signed-off-by: Sjoerd Simons <sjoerd.simons at collabora.co.uk>
> Signed-off-by: Hyungwon Hwang <human.hwang at samsung.com>
> Cc: Minkyu Kang <mk7.kang at samsung.com>
> Cc: Lukasz Majewski <l.majewski at samsung.com>
> Cc: Sjoerd Simons <sjoerd.simons at collabora.co.uk>
> Cc: Javier Martinez Canillas <javier at dowhile0.org>
> Cc: Simon Glass <sjg at chromium.org>
> ---
> Changes for v10:
> - Newly added
>
>  arch/arm/dts/exynos5422-odroidxu3.dts | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm/dts/exynos5422-odroidxu3.dts b/arch/arm/dts/exynos5422-odroidxu3.dts
> index cff32a9..be20f1b 100644
> --- a/arch/arm/dts/exynos5422-odroidxu3.dts
> +++ b/arch/arm/dts/exynos5422-odroidxu3.dts
> @@ -31,6 +31,10 @@
>                         0xb0000000 0xea00000>;
>         };
>
> +       ehci at 12110000 {
> +               samsung,vbus-gpio = <&gpio 0x316 0>; /* X26 */

Are you sure this is right? By my count this should be 0x66, not
0x316. This might be historical.

It almost feels like you could drop this patch until you actually have
working USB support.

Regards,
Simon


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