@@ -130,6 +130,10 @@
status = "okay";
};
+&otg_sram {
+ status = "okay";
+};
+
&pio {
mmc0_cd_pin_h702: mmc0_cd_pin@0 {
allwinner,pins = "PG0";
@@ -137,6 +141,20 @@
allwinner,drive = <SUN4I_PINCTRL_10_MA>;
allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
};
+
+ usb0_id_detect_pin: usb0_id_detect_pin@0 {
+ allwinner,pins = "PG2";
+ allwinner,function = "gpio_in";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+ };
+
+ usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
+ allwinner,pins = "PG1";
+ allwinner,function = "gpio_in";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+ };
};
#include "axp209.dtsi"
@@ -172,13 +190,33 @@
regulator-name = "vcc-wifi";
};
+®_usb0_vbus {
+ pinctrl-0 = <&usb0_vbus_pin_a>;
+ gpio = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
+ status = "okay";
+};
+
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_pins_b>;
status = "okay";
};
+&usb_otg {
+ dr_mode = "otg";
+ status = "okay";
+};
+
+&usb0_vbus_pin_a {
+ allwinner,pins = "PG12";
+};
+
&usbphy {
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
+ usb0_id_det-gpios = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
+ usb0_vbus_det-gpios = <&pio 6 1 GPIO_ACTIVE_HIGH>; /* PG1 */
+ usb0_vbus-supply = <®_usb0_vbus>;
usb1_vbus-supply = <®_ldo3>;
status = "okay";
};
This tablet has proper USB OTG support, using 3 GPIO pins for ID and VBUS detection, and also VBUS control. Signed-off-by: Chen-Yu Tsai <wens@csie.org> --- arch/arm/boot/dts/sun5i-a13-hsg-h702.dts | 38 ++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+)