[U-Boot] [PATCH] ARM: tegra: enable USB device mode port on Dalmore

[Simon Glass]

Hi Stephen,

On 11 February 2016 at 09:19, Stephen Warren <swarren at wwwdotorg.org> wrote:
> From: Stephen Warren <swarren at nvidia.com>
>
> This allows U-Boot to expose UMS and DFU protocols on this port in device
> mode, or to act as a USB host on the port, using an "OTG" (micro-B to
> female A host) cable.
>
> Signed-off-by: Stephen Warren <swarren at nvidia.com>
> ---
>  arch/arm/dts/tegra114-dalmore.dts | 9 ++++++++-
>  include/configs/dalmore.h         | 2 ++
>  2 files changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/dts/tegra114-dalmore.dts b/arch/arm/dts/tegra114-dalmore.dts
> index 51ff266d760a..49195c35964a 100644
> --- a/arch/arm/dts/tegra114-dalmore.dts
> +++ b/arch/arm/dts/tegra114-dalmore.dts
> @@ -18,7 +18,8 @@
>                 i2c4 = "/i2c at 7000c700";
>                 sdhci0 = "/sdhci at 78000600";
>                 sdhci1 = "/sdhci at 78000400";
> -               usb0 = "/usb at 7d008000";
> +               usb0 = "/usb at 7d000000";
> +               usb1 = "/usb at 7d008000";
>         };
>
>         memory {
> @@ -67,6 +68,12 @@
>                 status = "okay";
>         };
>
> +       usb at 7d000000 {
> +               status = "okay";
> +               dr_mode = "otg";
> +               nvidia,vbus-gpio = <&gpio TEGRA_GPIO(N, 4) GPIO_ACTIVE_HIGH>;
> +       };
> +
>         usb at 7d008000 {
>                 nvidia,vbus-gpio = <&gpio TEGRA_GPIO(K, 6) GPIO_ACTIVE_HIGH>;
>                 status = "okay";
> diff --git a/include/configs/dalmore.h b/include/configs/dalmore.h
> index fdfda6b90348..917573da4368 100644
> --- a/include/configs/dalmore.h
> +++ b/include/configs/dalmore.h
> @@ -48,6 +48,7 @@
>  /* USB Host support */
>  #define CONFIG_USB_EHCI
>  #define CONFIG_USB_EHCI_TEGRA
> +#define CONFIG_USB_MAX_CONTROLLER_COUNT        2

This shouldn't be needed with driver model (CONFIG_DM_USB). What
effect does it have?

>  #define CONFIG_USB_STORAGE
>  #define CONFIG_CMD_USB
>
> @@ -58,6 +59,7 @@
>  /* General networking support */
>  #define CONFIG_CMD_DHCP
>
> +#include "tegra-common-usb-gadget.h"
>  #include "tegra-common-post.h"
>
>  #endif /* __CONFIG_H */
> --
> 2.7.0
>

Regards,
Simon