[PATCH] usb: dwc2: add support for the DWC2 controller on Meson8 SoCs

[John Youn]

On 5/25/2017 10:39 AM, Martin Blumenstingl wrote:
> Hi John,
>
> On Sat, May 6, 2017 at 7:37 PM, Martin Blumenstingl
> <martin.blumenstingl at googlemail.com> wrote:
>> USB support in the Meson8 SoCs is provided by a DWC2 controller which
>> works with the same settings as Meson8b and GXBB. Using the generic
>> "snps,dwc2" binding results in an endless stream of "Overcurrent change
>> detected" messages.
>>
>> Signed-off-by: Martin Blumenstingl <martin.blumenstingl at googlemail.com>
> do you want me to re-send this with Rob's ACK?
> also please let me know if something is still missing in this patch
>
>> ---
>>  Documentation/devicetree/bindings/usb/dwc2.txt | 1 +
>>  drivers/usb/dwc2/params.c                      | 2 ++
>>  2 files changed, 3 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/usb/dwc2.txt b/Documentation/devicetree/bindings/usb/dwc2.txt
>> index 6c7c2bce6d0c..b55be381ae85 100644
>> --- a/Documentation/devicetree/bindings/usb/dwc2.txt
>> +++ b/Documentation/devicetree/bindings/usb/dwc2.txt
>> @@ -10,6 +10,7 @@ Required properties:
>>    - "rockchip,rk3288-usb", "rockchip,rk3066-usb", "snps,dwc2": for rk3288 Soc;
>>    - "lantiq,arx100-usb": The DWC2 USB controller instance in Lantiq ARX SoCs;
>>    - "lantiq,xrx200-usb": The DWC2 USB controller instance in Lantiq XRX SoCs;
>> +  - "amlogic,meson8-usb": The DWC2 USB controller instance in Amlogic Meson8 SoCs;
>>    - "amlogic,meson8b-usb": The DWC2 USB controller instance in Amlogic Meson8b SoCs;
>>    - "amlogic,meson-gxbb-usb": The DWC2 USB controller instance in Amlogic S905 SoCs;
>>    - "amcc,dwc-otg": The DWC2 USB controller instance in AMCC Canyonlands 460EX SoCs;
>> diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
>> index 2990c347289f..0d6290ed66ea 100644
>> --- a/drivers/usb/dwc2/params.c
>> +++ b/drivers/usb/dwc2/params.c
>> @@ -128,6 +128,8 @@ const struct of_device_id dwc2_of_match_table[] = {
>>         { .compatible = "lantiq,xrx200-usb", .data = dwc2_set_ltq_params },
>>         { .compatible = "snps,dwc2" },
>>         { .compatible = "samsung,s3c6400-hsotg" },
>> +       { .compatible = "amlogic,meson8-usb",
>> +         .data = dwc2_set_amlogic_params },
>>         { .compatible = "amlogic,meson8b-usb",
>>           .data = dwc2_set_amlogic_params },
>>         { .compatible = "amlogic,meson-gxbb-usb",
>> --
>> 2.12.2
>>
>

Adding Felipe


Acked-by: John Youn <johnyoun at synopsys.com>

John