[PATCH 1/4] ARM: dts: sun5i: Enable otg on the auxtex t004

Hans de Goede hdegoede at redhat.com
Wed Jun 29 11:46:59 PDT 2016


The auxtek t004 has its otg usb vbus hardwired to 5v (likely in case
people use it to power the board instead of the dedicated power micro
usb connector), it does have an id pin, so it allows full otg
functionality.

Signed-off-by: Hans de Goede <hdegoede at redhat.com>
---
 arch/arm/boot/dts/sun5i-a10s-auxtek-t004.dts | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm/boot/dts/sun5i-a10s-auxtek-t004.dts b/arch/arm/boot/dts/sun5i-a10s-auxtek-t004.dts
index e15d1ef..7ddebce 100644
--- a/arch/arm/boot/dts/sun5i-a10s-auxtek-t004.dts
+++ b/arch/arm/boot/dts/sun5i-a10s-auxtek-t004.dts
@@ -130,7 +130,18 @@
 	status = "okay";
 };
 
+&otg_sram {
+	status = "okay";
+};
+
 &pio {
+	usb0_id_detect_pin: usb0_id_detect_pin at 0 {
+		allwinner,pins = "PG12";
+		allwinner,function = "gpio_in";
+		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+	};
+
 	mmc0_cd_pin_t004: mmc0_cd_pin at 0 {
 		allwinner,pins = "PG1";
 		allwinner,function = "gpio_in";
@@ -164,11 +175,19 @@
 	status = "okay";
 };
 
+&usb_otg {
+	dr_mode = "otg";
+	status = "okay";
+};
+
 &usb1_vbus_pin_a {
 	allwinner,pins = "PG13";
 };
 
 &usbphy {
+	pinctrl-names = "default";
+	pinctrl-0 = <&usb0_id_detect_pin>;
+	usb0_id_det-gpio = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
 	usb1_vbus-supply = <&reg_usb1_vbus>;
 	status = "okay";
 };
-- 
2.7.4




More information about the linux-arm-kernel mailing list