[U-Boot] [PATCH 1/3] drivers: usb: fsl: add USB ULPI init code

[Marek Vasut]

On 06/08/2016 10:22 AM, Rajesh Bhagat wrote:
> This adds the required code to set up a ULPI USB port, for
> new NXP USB PHY used in QorIQ platforms.
> 
> To use this both CONFIG_USB_ULPI and CONFIG_USB_ULPI_VIEWPORT
> have to be set in the board configuration file.
> 
> Signed-off-by: Rajesh Bhagat <rajesh.bhagat at nxp.com>
> ---
>  drivers/usb/host/ehci-fsl.c |   21 +++++++++++++++++++++
>  1 files changed, 21 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
> index a43d37d..897f453 100644
> --- a/drivers/usb/host/ehci-fsl.c
> +++ b/drivers/usb/host/ehci-fsl.c
> @@ -16,6 +16,9 @@
>  #include <hwconfig.h>
>  #include <fsl_usb.h>
>  #include <fdt_support.h>
> +#ifdef CONFIG_USB_ULPI
> +#include <usb/ulpi.h>
> +#endif
>  
>  #include "ehci.h"
>  
> @@ -50,6 +53,10 @@ int ehci_hcd_init(int index, enum usb_init_type init,
>  	const char *phy_type = NULL;
>  	size_t len;
>  	char current_usb_controller[5];
> +#ifdef CONFIG_USB_ULPI
> +	int ret;
> +	struct ulpi_viewport ulpi_vp;
> +#endif
>  #ifdef CONFIG_SYS_FSL_USB_INTERNAL_UTMI_PHY
>  	char usb_phy[5];
>  
> @@ -126,6 +133,20 @@ int ehci_hcd_init(int index, enum usb_init_type init,
>  		udelay(1000); /* delay required for PHY Clk to appear */
>  		if (!usb_phy_clk_valid(ehci))
>  			return -EINVAL;
> +
> +#ifdef CONFIG_USB_ULPI
> +		ulpi_vp.viewport_addr = (u32)&ehci->ulpi_viewpoint;
> +		ulpi_vp.port_num = 0;
> +
> +		ret = ulpi_init(&ulpi_vp);
> +		if (ret) {
> +			puts("NXP ULPI viewport init failed\n");
> +			return -1;

return ret;

> +		}
> +
> +		ulpi_set_vbus(&ulpi_vp, 1, 1);
> +		ulpi_set_vbus_indicator(&ulpi_vp, 1, 1, 1);
> +#endif
>  		out_le32(&(*hcor)->or_portsc[0], PORT_PTS_ULPI);
>  	}
>  
> 


-- 
Best regards,
Marek Vasut