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Subject[PATCH v4 2/2] ARM: dts: bananapi-m2-ultra: Enable USB0_OTG and HOST support
Date
From: qianfan Zhao <qianfanguijin@163.com>

let USB0 work at OTG mode.

Signed-off-by: qianfan Zhao <qianfanguijin@163.com>
---
.../boot/dts/sun8i-r40-bananapi-m2-ultra.dts | 39 +++++++++++++++++++
1 file changed, 39 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts b/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
index 28197bbcb1d5..b3421e67967d 100644
--- a/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
+++ b/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
@@ -122,6 +122,10 @@ &de {
status = "okay";
};

+&ehci0 {
+ status = "okay";
+};
+
&ehci1 {
status = "okay";
};
@@ -164,6 +168,7 @@ axp22x: pmic@34 {
reg = <0x34>;
interrupt-parent = <&nmi_intc>;
interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+ x-powers,drive-vbus-en;
};
};

@@ -199,6 +204,10 @@ &mmc2 {
status = "okay";
};

+&ohci0 {
+ status = "okay";
+};
+
&ohci1 {
status = "okay";
};
@@ -216,6 +225,15 @@ &pio {
vcc-pe-supply = <&reg_eldo1>;
vcc-pf-supply = <&reg_dcdc1>;
vcc-pg-supply = <&reg_dldo1>;
+
+ /* USB0_DRVVBUS connected to both the PMIC.N_VBUSEN and PI13,
+ * we chose PMIC.N_VBUSEN for control, so set the gpio as
+ * input mode here.
+ */
+ usb0_vbus_enable_gpio: usb0-vbus-enable-gpio {
+ pins = "PI13";
+ function = "gpio_in";
+ };
};

&reg_aldo2 {
@@ -298,6 +316,11 @@ &reg_dldo4 {
regulator-name = "vdd2v5-sata";
};

+&reg_drivevbus {
+ regulator-name = "usb0-vbus";
+ status = "okay";
+};
+
&reg_eldo3 {
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
@@ -333,7 +356,23 @@ bluetooth {
};
};

+&usb_otg {
+ dr_mode = "otg";
+ status = "okay";
+};
+
+&usb_power_supply {
+ status = "okay";
+};
+
&usbphy {
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb0_vbus_enable_gpio>;
+
+ usb0_id_det-gpios = <&pio 8 4 GPIO_ACTIVE_HIGH>; /* PI4 */
+ usb0_vbus_det-gpios = <&pio 8 8 GPIO_ACTIVE_HIGH>; /* PI8 */
+ usb0_vbus_power-supply = <&usb_power_supply>;
+ usb0_vbus-supply = <&reg_drivevbus>;
usb1_vbus-supply = <&reg_vcc5v0>;
usb2_vbus-supply = <&reg_vcc5v0>;
status = "okay";
--
2.25.1
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