Thread (2 messages) flat view 2 messages, 2 authors, 2015-03-10

[PATCH 12/15] ARM: dts: sun4i: Enable USB DRC on Chuwi V7 CW0825

From: Maxime Ripard <hidden>
Date: 2015-03-10 15:07:41
Also in: linux-devicetree

Hi Hans,

On Mon, Mar 09, 2015 at 09:40:25PM +0100, Hans de Goede wrote:
quoted hunk
Enable the otg/drc usb controller on the Chuwi V7 CW0825 tablet.

Signed-off-by: Hans de Goede <redacted>
---
 arch/arm/boot/dts/sun4i-a10-chuwi-v7-cw0825.dts | 31 +++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
diff --git a/arch/arm/boot/dts/sun4i-a10-chuwi-v7-cw0825.dts b/arch/arm/boot/dts/sun4i-a10-chuwi-v7-cw0825.dts
index 97fca89..034396c 100644
--- a/arch/arm/boot/dts/sun4i-a10-chuwi-v7-cw0825.dts
+++ b/arch/arm/boot/dts/sun4i-a10-chuwi-v7-cw0825.dts
@@ -111,6 +111,26 @@
 	status = "okay";
 };
 
+&pio {
+	usb0_id_detect_pin: usb0_id_detect_pin at 0 {
+		allwinner,pins = "PH4";
+		allwinner,function = "gpio_in";
+		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+	};
+
+	usb0_vbus_detect_pin: usb0_vbus_detect_pin at 0 {
+		allwinner,pins = "PH5";
+		allwinner,function = "gpio_in";
+		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>;
+	};
+};
+
+&reg_usb0_vbus {
+	status = "okay";
+};
+
 &reg_usb2_vbus {
 	status = "okay";
 };
@@ -121,7 +141,18 @@
 	status = "okay";
 };
 
+&usb_otg {
+	pinctrl-names = "default";
+	pinctrl-0 = <&usb0_id_detect_pin
+		     &usb0_vbus_detect_pin>;
+	id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
+	vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
+	dr_mode = "otg";
Is there a reason to not put that in the DTSI?

All the users seem to be wiring it as OTG.

Thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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