Re: [PATCH 4/4] ARM: dts: rockchip: Add quirk for resetting rk3288's dwc2 host on wakeup

Matthias Kaehlcke
2019-04-12T23:57:43Z

On Fri, Apr 12, 2019 at 03:41:49PM -0700, Douglas Anderson wrote:
> The "host" USB port on rk3288 has a hardware errata where we've got to
> assert a PHY reset whenever we see a remote wakeup. Add that quirk
> property to the device tree.
>
> Signed-off-by: Douglas Anderson <dianders@chromium.org>
> ---
>
> arch/arm/boot/dts/rk3288.dtsi | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
> index 92e0600595f8..6367c1b50fd7 100644
> --- a/arch/arm/boot/dts/rk3288.dtsi
> +++ b/arch/arm/boot/dts/rk3288.dtsi
> @@ -617,6 +617,7 @@
> dr_mode = "host";
> phys = <&usbphy2>;
> phy-names = "usb2-phy";
> + snps,reset-phy-on-wake;
> status = "disabled";
> };
>

Reviewed-by: Matthias Kaehlcke <mka@chromium.org>