[PATCH 5/6] ARM: dts: sun8i-a23-polaroid-mid2809pxe04: Add full otg support
Hans de Goede
hdegoede at redhat.com
Sat Jun 11 06:53:05 PDT 2016
Now that we've all the necessary bits in place we can enable
full otg support on these tablets.
Signed-off-by: Hans de Goede <hdegoede at redhat.com>
---
.../boot/dts/sun8i-a23-polaroid-mid2809pxe04.dts | 30 +++++++++++++++++-----
1 file changed, 23 insertions(+), 7 deletions(-)
diff --git a/arch/arm/boot/dts/sun8i-a23-polaroid-mid2809pxe04.dts b/arch/arm/boot/dts/sun8i-a23-polaroid-mid2809pxe04.dts
index cb5daaf..bae779f 100644
--- a/arch/arm/boot/dts/sun8i-a23-polaroid-mid2809pxe04.dts
+++ b/arch/arm/boot/dts/sun8i-a23-polaroid-mid2809pxe04.dts
@@ -131,6 +131,13 @@
allwinner,drive = <SUN4I_PINCTRL_10_MA>;
allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
};
+
+ usb0_id_detect_pin: usb0_id_detect_pin at 0 {
+ allwinner,pins = "PH8";
+ allwinner,function = "gpio_in";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+ };
};
&pwm {
@@ -148,6 +155,7 @@
interrupt-parent = <&nmi_intc>;
interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
eldoin-supply = <®_dcdc1>;
+ x-powers,drive-vbus-en;
};
};
@@ -219,6 +227,11 @@
regulator-name = "vcc-dram";
};
+®_drivevbus {
+ regulator-name = "usb0-vbus";
+ status = "okay";
+};
+
®_rtc_ldo {
regulator-name = "vcc-rtc";
};
@@ -227,17 +240,20 @@
vcc-lcd-supply = <®_dc1sw>;
};
-/*
- * FIXME for now we only support host mode and rely on u-boot to have
- * turned on Vbus which is controlled by the axp223 pmic on the board.
- *
- * Once we have axp223 support we should switch to fully supporting otg.
- */
&usb_otg {
- dr_mode = "host";
+ dr_mode = "otg";
+ status = "okay";
+};
+
+&usb_power_supply {
status = "okay";
};
&usbphy {
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb0_id_detect_pin>;
+ usb0_id_det-gpio = <&pio 7 8 GPIO_ACTIVE_HIGH>; /* PH8 */
+ usb0_vbus_power-supply = <&usb_power_supply>;
+ usb0_vbus-supply = <®_drivevbus>;
status = "okay";
};
--
2.7.4
More information about the linux-arm-kernel
mailing list