[PATCH v5 0/4] add NXP imx8mp usb support

Shawn Guo shawnguo at kernel.org
Fri Oct 30 03:23:48 EDT 2020


On Sat, Oct 03, 2020 at 08:02:03PM +0800, Li Jun wrote:
> NXP imx8MPlus integrates 2 indentical dwc3 3.30b IP with additional wakeup
> logic to support low power, this wakeup logic has a separated interrupt
> which can generate events with suspend clock(32K); due to SoC integration
> limitation, it only can support 32 bits DMA, so add dma-ranges property,
> 
> changes for v5
> - Remove "Items" of compatible in binding doc [1/4]
> - Add Krzysztof's R-b tag for patches [3-4/4].
> 
> changes for v4:
> - Use dma-ranges property to limit 32bits DMA, so don't need the new
>   property "xhci-64bit-support-disable".
> - Fix binding doc to pass dt_binding_check dtbs_check.
> 
> changes for v3:
> - Add dwc3 core related clocks into dwc3 core node, and glue layer driver
>   only handle the clocks(hsio and suspend) for glue block, this is to
>   match real HW.
> - Change to use property "xhci-64bit-support-disable" to disable 64bit DMA
>   as imx8mp USB integration actully can't support it, so remove platform
>   data in v2.
> - Some changes of imx8mp usb driver binding doc to address comments from Rob
> 
> Changes for v2:
> - Drop the 2 patches for new property("snps,xhci-dis-64bit-support-quirk")
>   introduction, as suggested, imply by SoC compatible string, this is done
>   by introduce dwc3 core platform data and pass the xhci_plat_priv to
>   xhci-plat for those xhci quirks, so a new patch added:
>   [1/5] usb: dwc3: add platform data to dwc3 core device to pass data.
>   this patch is based on Peter's one patch which is also in review:
>   https://patchwork.kernel.org/patch/11640945/
> - dts change, use the USB power function of TRL logic instead of a always-on
>   regulator to control vbus on/off.
> - Some changes to address Peter's command on patch [2/5].
> 
> Li Jun (4):
>   dt-bindings: usb: dwc3-imx8mp: add imx8mp dwc3 glue bindings
>   usb: dwc3: add imx8mp dwc3 glue layer driver
>   arm64: dtsi: imx8mp: add usb nodes
>   arm64: dts: imx8mp-evk: enable usb1 as host mode

The last two dts patches look good to me.  Ping me for applying after
the first two are accepted.

Shawn



More information about the linux-arm-kernel mailing list