[PATCH v5 4/4] arm64: dts: imx8mp: Add memory for USB3 glue layer to usb3 nodes

Alexander Stein alexander.stein at ew.tq-group.com
Fri Feb 18 07:27:07 PST 2022


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 at ew.tq-group.com>
Reviewed-by: Li Jun <jun.li at nxp.com>
---
Changes in v5:
* Added Reviewed-by: Li Jun

 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 00ed083662e9..d73f0937b5d3 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -1033,7 +1033,8 @@ usb3_phy0: usb-phy at 381f0040 {
 
 		usb3_0: usb at 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";
@@ -1074,7 +1075,8 @@ usb3_phy1: usb-phy at 382f0040 {
 
 		usb3_1: usb at 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




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