Add USB 2.0 support to the HiHope RZ/G2M. Signed-off-by: Fabrizio Castro <fabrizio.cas...@bp.renesas.com> --- arch/arm64/boot/dts/renesas/hihope-common.dtsi | 76 ++++++++++++++++++++++++++ 1 file changed, 76 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/hihope-common.dtsi b/arch/arm64/boot/dts/renesas/hihope-common.dtsi index 12047ee..18763ca 100644 --- a/arch/arm64/boot/dts/renesas/hihope-common.dtsi +++ b/arch/arm64/boot/dts/renesas/hihope-common.dtsi @@ -35,6 +35,17 @@ regulator-always-on; }; + vbus0_usb2: regulator-vbus0-usb2 { + compatible = "regulator-fixed"; + + regulator-name = "USB20_VBUS0"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + + gpio = <&gpio6 16 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + vccq_sdhi0: regulator-vccq-sdhi0 { compatible = "regulator-gpio"; @@ -49,6 +60,14 @@ }; }; +&ehci0 { + status = "okay"; +}; + +&ehci1 { + status = "okay"; +}; + &extal_clk { clock-frequency = <16666666>; }; @@ -57,6 +76,28 @@ clock-frequency = <32768>; }; +&gpio6 { + usb1-reset { + gpio-hog; + gpios = <10 GPIO_ACTIVE_LOW>; + output-low; + line-name = "usb1-reset"; + }; +}; + +&hsusb { + dr_mode = "otg"; + status = "okay"; +}; + +&ohci0 { + status = "okay"; +}; + +&ohci1 { + status = "okay"; +}; + &pcie_bus_clk { clock-frequency = <100000000>; }; @@ -92,6 +133,23 @@ function = "sdhi3"; power-source = <1800>; }; + + usb0_pins: usb0 { + groups = "usb0"; + function = "usb0"; + }; + + usb1_pins: usb1 { + mux { + groups = "usb1"; + function = "usb1"; + }; + + ovc { + pins = "GP_6_27"; + bias-pull-up; + }; + }; }; &rwdt { @@ -135,5 +193,23 @@ mmc-hs200-1_8v; non-removable; fixed-emmc-driver-type = <1>; +}; + +&usb_extal_clk { + clock-frequency = <50000000>; +}; + +&usb2_phy0 { + pinctrl-0 = <&usb0_pins>; + pinctrl-names = "default"; + + vbus-supply = <&vbus0_usb2>; + status = "okay"; +}; + +&usb2_phy1 { + pinctrl-0 = <&usb1_pins>; + pinctrl-names = "default"; + status = "okay"; }; -- 2.7.4