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

[Marek Vasut]

On 08/25/2016 03:07 AM, Kever Yang wrote:
> + 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 at rock-chips.com>
>> Reviewed-by: Simon Glass <sjg at 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,

Why don't you parse all of this from DT ? You already parse DT below.

>> +    .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
> 
> 


-- 
Best regards,
Marek Vasut