[U-Boot] [PATCH v3 2/4] board: evb-rk3399: add api to support dwc3 gadget

Kever Yang kever.yang at rock-chips.com
Thu Sep 1 04:21:28 CEST 2016


Hi Marek,

On 08/31/2016 08:30 PM, Marek Vasut wrote:
> On 08/31/2016 10:40 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>
>> ---
>>
>> Changes in v3:
>> - remove utmi width DT parse from borad init
> OK
>
>> Changes in v2:
>> - parse dt for utmi width
>>
>>   board/rockchip/evb_rk3399/evb-rk3399.c | 23 +++++++++++++++++++++++
>>   1 file changed, 23 insertions(+)
>>
>> diff --git a/board/rockchip/evb_rk3399/evb-rk3399.c b/board/rockchip/evb_rk3399/evb-rk3399.c
>> index d394276..0d39902 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 +56,24 @@ 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,
>> +	.dis_u2_susphy_quirk = 1,
>> +};
> Uh, didn't I complain last time that this should come from DT
> and not platdata ?

Since I'm not able to remove the platdata, I thought maybe I can init those
features here, I will parse DT for maximum_speed, base, and 
dis_u2_susphy_quirk
in next version.

Thanks,
- Kever
>> +int usb_gadget_handle_interrupts(void)
>> +{
>> +	dwc3_uboot_handle_interrupt(0);
>> +	return 0;
>> +}
>> +
>> +int board_usb_init(int index, enum usb_init_type init)
>> +{
>> +	return dwc3_uboot_init(&dwc3_device_data);
>> +}
>> +#endif
>>
>




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