Hi,
On 08-02-16 16:29, [email protected] wrote:
From: Marcus Cooper <[email protected]>
Enable the otg/drc usb controller on the Olimex A20 EVB.
Does the A20 EVB not have some form of Vbus detect for the OTG
port hooked up ? That does not sound right. Please double check.
Regards,
Hans
Signed-off-by: Marcus Cooper <[email protected]>
---
arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts
b/arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts
index c3c626b..93bbf26 100644
--- a/arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts
+++ b/arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts
@@ -198,6 +198,10 @@
status = "okay";
};
+&otg_sram {
+ status = "okay";
+};
+
&pio {
ahci_pwr_pin_olimex_som_evb: ahci_pwr_pin@1 {
allwinner,pins = "PC3";
@@ -219,6 +223,13 @@
allwinner,drive = <SUN4I_PINCTRL_10_MA>;
allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
};
+
+ usb0_id_detect_pin: usb0_id_detect_pin@0 {
+ allwinner,pins = "PH4";
+ allwinner,function = "gpio_in";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+ };
};
®_ahci_5v {
@@ -254,6 +265,10 @@
regulator-name = "avcc";
};
+®_usb0_vbus {
+ status = "okay";
+};
+
®_usb1_vbus {
status = "okay";
};
@@ -268,7 +283,16 @@
status = "okay";
};
+&usb_otg {
+ dr_mode = "otg";
+ status = "okay";
+};
+
&usbphy {
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb0_id_detect_pin>;
+ usb0_id_det-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH04 */
+ usb0_vbus-supply = <®_usb0_vbus>;
usb1_vbus-supply = <®_usb1_vbus>;
usb2_vbus-supply = <®_usb2_vbus>;
status = "okay";
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