[U-Boot] [PATCH 1/3] usb: bcm_udc_otg: enable clocks

Marek Vasut marex at denx.de
Mon Apr 4 22:02:06 CEST 2016


On 04/04/2016 09:59 PM, Steve Rae wrote:
> Turn on the USB OTG clocks.
> 
> Signed-off-by: Steve Rae <srae at broadcom.com>
> ---
> 
>  drivers/usb/gadget/bcm_udc_otg_phy.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/usb/gadget/bcm_udc_otg_phy.c b/drivers/usb/gadget/bcm_udc_otg_phy.c
> index 10b2e13..877f162 100644
> --- a/drivers/usb/gadget/bcm_udc_otg_phy.c
> +++ b/drivers/usb/gadget/bcm_udc_otg_phy.c
> @@ -8,12 +8,16 @@
>  #include <common.h>
>  #include <asm/io.h>
>  #include <asm/arch/sysmap.h>
> +#include <asm/kona-common/clk.h>
>  
>  #include "dwc2_udc_otg_priv.h"
>  #include "bcm_udc_otg.h"
>  
>  void otg_phy_init(struct dwc2_udc *dev)
>  {
> +	/* turn on the USB OTG clocks */
> +	clk_usb_otg_enable((void *)HSOTG_BASE_ADDR);

I _think_ this driver is used on RPi too, did you compile test it there?

>  	/* set Phy to driving mode */
>  	wfld_clear(HSOTG_CTRL_BASE_ADDR + HSOTG_CTRL_PHY_P1CTL_OFFSET,
>  		   HSOTG_CTRL_PHY_P1CTL_NON_DRIVING_MASK);
> 


-- 
Best regards,
Marek Vasut


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