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Subject[PATCH v5 3/3] arm64: allwinner: a64: bananapi-m64: add usb otg
Date
Add usb otg support for bananapi-m64 board,
- USB-ID connected with PH9
- USB-DRVVBUS controlled by N_VBUSEN pin from PMIC

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
---
Changes for v5:
- Kept reg_drivevbus node in alphabetical order.
- Collect Chen-Yu reviewed-by tag
Changes for v4:
- rebase on master
- tested otg host mode.
Changes for v3:
- Move the position of reg_drivevbus as per binding documentation.
Changes for v2:
- add drvvbus regulator
- add N_VBUSEN pin

.../boot/dts/allwinner/sun50i-a64-bananapi-m64.dts | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
index 2250dec9974c..0716b1441187 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
@@ -86,6 +86,10 @@
};
};

+&ehci0 {
+ status = "okay";
+};
+
&ehci1 {
status = "okay";
};
@@ -155,6 +159,10 @@
status = "okay";
};

+&ohci0 {
+ status = "okay";
+};
+
&ohci1 {
status = "okay";
};
@@ -167,6 +175,7 @@
reg = <0x3a3>;
interrupt-parent = <&r_intc>;
interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+ x-powers,drive-vbus-en; /* set N_VBUSEN as output pin */
};
};

@@ -254,6 +263,11 @@
regulator-name = "vcc-wifi-io";
};

+&reg_drivevbus {
+ regulator-name = "usb0-vbus";
+ status = "okay";
+};
+
&reg_eldo1 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
@@ -294,6 +308,13 @@
status = "okay";
};

+&usb_otg {
+ dr_mode = "otg";
+ status = "okay";
+};
+
&usbphy {
+ usb0_id_det-gpios = <&pio 7 9 GPIO_ACTIVE_HIGH>; /* PH9 */
+ usb0_vbus-supply = <&reg_drivevbus>;
status = "okay";
};
--
2.14.3
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