From: Kishon Vijay Abraham I kishon@ti.com
Add and Enable USB SuperSpeed Host Port in SPL.
Signed-off-by: Kishon Vijay Abraham I kishon@ti.com Signed-off-by: Aswath Govindraju a-govindraju@ti.com --- arch/arm/dts/k3-am642-r5-sk.dts | 40 ++++++++++++++++++++++++++++ arch/arm/dts/k3-am642-sk-u-boot.dtsi | 33 +++++++++++++++++++++++ 2 files changed, 73 insertions(+)
diff --git a/arch/arm/dts/k3-am642-r5-sk.dts b/arch/arm/dts/k3-am642-r5-sk.dts index 79eff8259f94..71fcf61ff9fb 100644 --- a/arch/arm/dts/k3-am642-r5-sk.dts +++ b/arch/arm/dts/k3-am642-r5-sk.dts @@ -5,6 +5,8 @@
/dts-v1/;
+#include <dt-bindings/mux/ti-serdes.h> +#include <dt-bindings/phy/phy.h> #include "k3-am642.dtsi" #include "k3-am64-sk-lp4-1333MTs.dtsi" #include "k3-am64-ddr.dtsi" @@ -107,6 +109,13 @@ AM64X_IOPAD(0x029c, PIN_INPUT_PULLUP, 0) /* (C20) MMC1_SDWP */ >; }; + + main_usb0_pins_default: main-usb0-pins-default { + u-boot,dm-spl; + pinctrl-single,pins = < + AM64X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* (E19) USB0_DRVVBUS */ + >; + }; };
&dmsc { @@ -142,4 +151,35 @@ pinctrl-0 = <&main_mmc1_pins_default>; };
+&serdes_ln_ctrl { + idle-states = <AM64_SERDES0_LANE0_USB>; +}; + +&serdes_wiz0 { + status = "okay"; +}; + +&serdes0 { + serdes0_usb_link: link@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"; +}; + #include "k3-am642-sk-u-boot.dtsi" diff --git a/arch/arm/dts/k3-am642-sk-u-boot.dtsi b/arch/arm/dts/k3-am642-sk-u-boot.dtsi index efbcfb36e92a..95cf52c37fab 100644 --- a/arch/arm/dts/k3-am642-sk-u-boot.dtsi +++ b/arch/arm/dts/k3-am642-sk-u-boot.dtsi @@ -110,3 +110,36 @@ &cpsw_port2 { status = "disabled"; }; + +&main_usb0_pins_default { + u-boot,dm-spl; +}; + +&serdes_ln_ctrl { + u-boot,mux-autoprobe; +}; + +&usbss0 { + u-boot,dm-spl; +}; + +&usb0 { + dr_mode = "host"; + u-boot,dm-spl; +}; + +&serdes_wiz0 { + u-boot,dm-spl; +}; + +&serdes0_usb_link { + u-boot,dm-spl; +}; + +&serdes0 { + u-boot,dm-spl; +}; + +&serdes_refclk { + u-boot,dm-spl; +};