From: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
Add USB 2.0 support to the HiHope RZ/G2M.
Signed-off-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
Signed-off-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
---
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 12047ee65a97..18763ca553f7 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";
};
--
2.11.0
