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Subject[PATCH v2] arm64: allwinner: a64: a64-olinuxino: add usb otg
Date
Add usb otg support for a64-olinuxino board,
- USB0-ID connected with PH9
- USB0-VBUSDET connected with PH6
- USB-DRVVBUS controlled by N_VBUSEN pin from PMIC

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
---
Changes for v2:
- rebase on master
- tested otg host mode.

.../boot/dts/allwinner/sun50i-a64-olinuxino.dts | 26 ++++++++++++++++++++++
1 file changed, 26 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts
index 8807664..078ee94 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts
@@ -64,6 +64,10 @@
};
};

+&ehci0 {
+ status = "okay";
+};
+
&mmc0 {
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins>;
@@ -93,6 +97,10 @@
};
};

+&ohci0 {
+ status = "okay";
+};
+
&r_rsb {
status = "okay";

@@ -101,6 +109,7 @@
reg = <0x3a3>;
interrupt-parent = <&r_intc>;
interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+ x-powers,drive-vbus-en; /* set N_VBUSEN as output pin */
};
};

@@ -215,8 +224,25 @@
regulator-name = "vcc-rtc";
};

+&reg_drivevbus {
+ regulator-name = "usb0-vbus";
+ status = "okay";
+};
+
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pins_a>;
status = "okay";
};
+
+&usb_otg {
+ dr_mode = "otg";
+ status = "okay";
+};
+
+&usbphy {
+ usb0_id_det-gpios = <&pio 7 9 GPIO_ACTIVE_HIGH>; /* PH9 */
+ usb0_vbus_det-gpio = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
+ usb0_vbus-supply = <&reg_drivevbus>;
+ status = "okay";
+};
--
2.7.4
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