> -----Original Message-----
> From: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
> Sent: Wednesday, January 26, 2022 10:14 PM
> To: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>; Rob Herring
> <robh+dt@xxxxxxxxxx>; Shawn Guo <shawnguo@xxxxxxxxxx>; Sascha Hauer
> <s.hauer@xxxxxxxxxxxxxx>; Fabio Estevam <festevam@xxxxxxxxx>
> Cc: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>; dl-linux-imx
> <linux-imx@xxxxxxx>; linux-usb@xxxxxxxxxxxxxxx;
> devicetree@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; Jun Li
> <jun.li@xxxxxxx>
> Subject: [PATCH v4 4/4] arm64: dts: imx8mp: Add memory for USB3 glue layer
> to usb3 nodes
>
> The USB3 glue layer has 2 areas in the register set, see RM Rev.1 section
> 11.2.5.2.1 GLUE_usb3 memory map:
> * USB3 control/status
> * PHY control/status
>
> Provide the memory area to the usb3 nodes for accessing the features in the
> USB3 control area.
>
> Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
Reviewed-by: Li Jun <jun.li@xxxxxxx>
> ---
> arch/arm64/boot/dts/freescale/imx8mp.dtsi | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> index e61ac5f136ad..d4aadb434d36 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> @@ -1030,7 +1030,8 @@ usb3_phy0: usb-phy@381f0040 {
>
> usb3_0: usb@32f10100 {
> compatible = "fsl,imx8mp-dwc3";
> - reg = <0x32f10100 0x8>;
> + reg = <0x32f10100 0x8>,
> + <0x381f0000 0x20>;
> clocks = <&clk IMX8MP_CLK_HSIO_ROOT>,
> <&clk IMX8MP_CLK_USB_ROOT>;
> clock-names = "hsio", "suspend";
> @@ -1070,7 +1071,8 @@ usb3_phy1: usb-phy@382f0040 {
>
> usb3_1: usb@32f10108 {
> compatible = "fsl,imx8mp-dwc3";
> - reg = <0x32f10108 0x8>;
> + reg = <0x32f10108 0x8>,
> + <0x382f0000 0x20>;
> clocks = <&clk IMX8MP_CLK_HSIO_ROOT>,
> <&clk IMX8MP_CLK_USB_ROOT>;
> clock-names = "hsio", "suspend";
> --
> 2.25.1
