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arm64: dts: ti: k3-am68-sk: Add DT node for USB

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AM68 Starter kit has a USB3 hub that connects to the SerDes0 Lane 2.
Update the SerDes configuration to support USB3.

Signed-off-by: Sinthu Raja <sinthu.raja@ti.com>
Signed-off-by: Ravi Gunasekaran <r-gunasekaran@ti.com>
Link: https://lore.kernel.org/r/20230921100039.19897-4-r-gunasekaran@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Sinthu Raja
2023-09-21 15:30:39 +05:30
committed by Vignesh Raghavendra
parent 73e8ec1b2d
commit 067878e6cd
1 changed files with 27 additions and 0 deletions
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27
arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts
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@@ -573,6 +573,15 @@ serdes0_pcie_link: phy@0 {
cdns,phy-type = <PHY_TYPE_PCIE>;
resets = <&serdes_wiz0 1>, <&serdes_wiz0 2>;
};
serdes0_usb_link: phy@2 {
status = "okay";
reg = <2>;
cdns,num-lanes = <1>;
#phy-cells = <0>;
cdns,phy-type = <PHY_TYPE_USB3>;
resets = <&serdes_wiz0 3>;
};
};
&pcie1_rc {
@@ -582,3 +591,21 @@ &pcie1_rc {
phy-names = "pcie-phy";
num-lanes = <2>;
};
&usb_serdes_mux {
idle-states = <0>; /* USB0 to SERDES lane 2 */
};
&usbss0 {
status = "okay";
pinctrl-0 = <&main_usbss0_pins_default>;
pinctrl-names = "default";
ti,vbus-divider;
};
&usb0 {
dr_mode = "host";
maximum-speed = "super-speed";
phys = <&serdes0_usb_link>;
phy-names = "cdns3,usb3-phy";
};