[PATCH] USB_DR device support for FSL MPC831x

[Li Yang-r58472]

Hi Vitaly,

The max_ep_nr will be read from DCCPARAMS register with my patch in
2.6.23 queue:
http://www.kernel.org/pub/linux/kernel/people/gregkh/usb/2.6/2.6.22/usb-
fsl_usb2_udc-get-max-ep-number-from-dccparams-register.patch

- Leo

> -----Original Message-----
> From: linuxppc-dev-bounces+leoli=freescale.com at ozlabs.org 
> [mailto:linuxppc-dev-bounces+leoli=freescale.com at ozlabs.org] 
> On Behalf Of Vitaly Bordug
> Sent: Tuesday, July 17, 2007 8:59 AM
> To: Greg KH
> Cc: linuxppc-dev at ozlabs.org
> Subject: [PATCH] USB_DR device support for FSL MPC831x
> 
> 
> This adds support for USB device mode on mpc831x series. 
> Devicetree node modification is required to make it work - 
> 
> dr_mode ="peripheral";
> 
> which should be commented out if host mode is desired onboot.
> 
> Signed-off-by: Vitaly Bordug <vitb at kernel.crashing.org>
> 
> ---
> 
>  arch/powerpc/sysdev/fsl_soc.c |    1 +
>  include/linux/fsl_devices.h   |    1 +
>  2 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/powerpc/sysdev/fsl_soc.c 
> b/arch/powerpc/sysdev/fsl_soc.c index c0ddc80..27a1510 100644
> --- a/arch/powerpc/sysdev/fsl_soc.c
> +++ b/arch/powerpc/sysdev/fsl_soc.c
> @@ -514,6 +514,7 @@ static int __init fsl_usb_of_init(void)
>  			}
>  		} else if (prop && !strcmp(prop, "peripheral")) {
>  			usb_data.operating_mode = FSL_USB2_DR_DEVICE;
> +			usb_data.max_ep_nr = *(unsigned 
> int*)of_get_property(np, 
> +"max_ep_nr",NULL);
>  			usb_dev_dr_client = 
> platform_device_register_simple(
>  					"fsl-usb2-udc", i, r, 2);
>  			if (IS_ERR(usb_dev_dr_client)) {
> diff --git a/include/linux/fsl_devices.h 
> b/include/linux/fsl_devices.h index 12e631f..a3feb34 100644
> --- a/include/linux/fsl_devices.h
> +++ b/include/linux/fsl_devices.h
> @@ -103,6 +103,7 @@ struct fsl_usb2_platform_data {
>  	enum fsl_usb2_operating_modes	operating_mode;
>  	enum fsl_usb2_phy_modes		phy_mode;
>  	unsigned int			port_enables;
> +	unsigned int			max_ep_nr;
>  };
>  
>  /* Flags in fsl_usb2_mph_platform_data */
> 
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