[PATCH v3 4/5] arm64: dts: ti: k3-am642-sk: Enable USB Super-Speed HOST port
From: Kishon Vijay Abraham I <hidden>
Date: 2021-05-26 14:29:59
Also in:
linux-devicetree, lkml
Subsystem:
arm/texas instruments k3 architecture, the rest · Maintainers:
Nishanth Menon, Vignesh Raghavendra, Tero Kristo, Linus Torvalds
Enable USB Super-Speed HOST port. Signed-off-by: Kishon Vijay Abraham I <redacted> Signed-off-by: Aswath Govindraju <redacted> --- arch/arm64/boot/dts/ti/k3-am642-sk.dts | 35 ++++++++++++++++++++++++++ 1 file changed, 35 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
index 8424cd071955..077b87656fbc 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts@@ -5,6 +5,8 @@ /dts-v1/; +#include <dt-bindings/mux/ti-serdes.h> +#include <dt-bindings/phy/phy.h> #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/net/ti-dp83867.h> #include "k3-am642.dtsi"
@@ -85,6 +87,12 @@ >; }; + main_usb0_pins_default: main-usb0-pins-default { + pinctrl-single,pins = < + AM64X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* (E19) USB0_DRVVBUS */ + >; + }; + main_i2c1_pins_default: main-i2c1-pins-default { pinctrl-single,pins = < AM64X_IOPAD(0x0268, PIN_INPUT_PULLUP, 0) /* (C18) I2C1_SCL */
@@ -235,6 +243,33 @@ disable-wp; }; +&serdes_ln_ctrl { + idle-states = <AM64_SERDES0_LANE0_USB>; +}; + +&serdes0 { + serdes0_usb_link: phy@0 { + reg = <0>; + cdns,num-lanes = <1>; + #phy-cells = <0>; + cdns,phy-type = <PHY_TYPE_USB3>; + resets = <&serdes_wiz0 1>; + }; +}; + +&usbss0 { + ti,vbus-divider; +}; + +&usb0 { + dr_mode = "host"; + maximum-speed = "super-speed"; + pinctrl-names = "default"; + pinctrl-0 = <&main_usb0_pins_default>; + phys = <&serdes0_usb_link>; + phy-names = "cdns3,usb3-phy"; +}; + &cpsw3g { pinctrl-names = "default"; pinctrl-0 = <&mdio1_pins_default
--
2.17.1
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