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

[Martin Blumenstingl]

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
>