[U-Boot] [PATCH v2 2/4] board: evb-rk3399: add api to support dwc3 gadget

[Kever Yang <kever.yang@rock-chips.com>]

+ Marek

On 08/24/2016 11:46 AM, Kever Yang wrote:
> This patch add board_usb_init() and interrupt callback
> for dwc3 gadget.
>
> Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
> Reviewed-by: Simon Glass <sjg@chromium.org>
> ---
>
> Changes in v2:
> - parse dt for utmi width
>
>   board/rockchip/evb_rk3399/evb-rk3399.c | 33 +++++++++++++++++++++++++++++++++
>   1 file changed, 33 insertions(+)
>
> diff --git a/board/rockchip/evb_rk3399/evb-rk3399.c b/board/rockchip/evb_rk3399/evb-rk3399.c
> index d394276..5d3a09a 100644
> --- a/board/rockchip/evb_rk3399/evb-rk3399.c
> +++ b/board/rockchip/evb_rk3399/evb-rk3399.c
> @@ -7,6 +7,8 @@
>   #include <dm.h>
>   #include <dm/pinctrl.h>
>   #include <asm/arch/periph.h>
> +#include <usb.h>
> +#include <dwc3-uboot.h>
>   
>   DECLARE_GLOBAL_DATA_PTR;
>   
> @@ -54,3 +56,34 @@ void dram_init_banksize(void)
>   	gd->bd->bi_dram[0].start = 0x200000;
>   	gd->bd->bi_dram[0].size = 0x80000000;
>   }
> +
> +#ifdef CONFIG_USB_DWC3
> +static struct dwc3_device dwc3_device_data = {
> +	.maximum_speed = USB_SPEED_HIGH,
> +	.base = 0xfe800000,
> +	.dr_mode = USB_DR_MODE_PERIPHERAL,
> +	.index = 0,
> +};
> +
> +int usb_gadget_handle_interrupts(void)
> +{
> +	dwc3_uboot_handle_interrupt(0);
> +	return 0;
> +}
> +
> +int board_usb_init(int index, enum usb_init_type init)
> +{
> +	const void *blob = gd->fdt_blob;
> +	int node;
> +
> +	node = fdt_node_offset_by_compatible(blob, -1,
> +					"rockchip,rk3399-xhci");
> +	if (node < 0)
> +		debug("%s node not found\n", __func__);
> +	else
> +		dwc3_device_data.usb2_phyif_utmi_width =
> +			fdtdec_get_int(blob, node, "snps,phyif-utmi-bits", -1);
> +
> +	return dwc3_uboot_init(&dwc3_device_data);
> +}
> +#endif