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

Marek Vasut marex at denx.de
Mon Aug 29 02:54:01 CEST 2016


On 08/29/2016 02:49 AM, Kever Yang wrote:
> Hi Marek,
> 
> On 08/26/2016 05:11 PM, Marek Vasut wrote:
>> 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.
> 
> I add these code by reference to exynos5 and zynqmp platform, I can parse
> all information from DT which including in DT, but maximum_speed still
> defined
> here, because it's not in DT node, is that OK?

Sorry, can you please rephrase ?

Linux already has maximum-speed binding, see
Documentation/devicetree/bindings/usb/generic.txt

-- 
Best regards,
Marek Vasut


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