On Tue, Nov 15, 2016 at 03:03:40PM -0800, John Youn wrote:
> From: Christian Lamparter <chunk...@googlemail.com>
>
> This patch adds support for the "amcc,usb-otg" device
> which is found in the PowerPC Canyonlands' dts.
>
> The device definition was added by:
>
> commit c89b3458d8cc ("powerpc/44x: Add USB DWC DTS entry to Canyonlands
> board")
>
> but without any driver support as the dwc2 driver wasn't available at
> that time.
>
> Note: The system can't use the generic "snps,dwc2" compatible
> because of the special ahbcfg configuration. The default
> GAHBCFG_HBSTLEN_INCR4 of snps,dwc2 can cause a system hang
> when the USB and SATA is used concurrently.
>
> Signed-off-by: Christian Lamparter <chunk...@gmail.com>
> Signed-off-by: John Youn <johny...@synopsys.com>
> ---
>
> Sorry, the previous one broke compilation. This fixes it.
>
> Regards,
> John
>
> v3 [johnyoun]:
> * Fixed compilation issue
>
> v2 [johnyoun]:
> * Removed params struct
> * Minor commit message formatting
>
> Documentation/devicetree/bindings/usb/dwc2.txt | 1 +
> drivers/usb/dwc2/params.c | 1 +
> 2 files changed, 2 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/usb/dwc2.txt
> b/Documentation/devicetree/bindings/usb/dwc2.txt
> index ad8f7ff..6c7c2bce 100644
> --- a/Documentation/devicetree/bindings/usb/dwc2.txt
> +++ b/Documentation/devicetree/bindings/usb/dwc2.txt
> @@ -12,6 +12,7 @@ Required properties:
> - "lantiq,xrx200-usb": The DWC2 USB controller instance in Lantiq XRX 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;
> - snps,dwc2: A generic DWC2 USB controller with default parameters.
> - reg : Should contain 1 register range (address and length)
> - interrupts : Should contain 1 interrupt
> diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
> index 513556a..a786256 100644
> --- a/drivers/usb/dwc2/params.c
> +++ b/drivers/usb/dwc2/params.c
> @@ -239,6 +239,7 @@ const struct of_device_id dwc2_of_match_table[] = {
> { .compatible = "samsung,s3c6400-hsotg", .data = NULL},
> { .compatible = "amlogic,meson8b-usb", .data = ¶ms_amlogic },
> { .compatible = "amlogic,meson-gxbb-usb", .data = ¶ms_amlogic },
> + { .compatible = "amcc,dwc-otg", .data = NULL },
'.data = NULL' is unnecessary.
With that fixed,
Acked-by: Rob Herring <r...@kernel.org>
> {},
> };
> MODULE_DEVICE_TABLE(of, dwc2_of_match_table);
> --
> 2.10.0
>
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