[PATCH 2/2] ARM: dts: imx23-olinuxino: Add USB host support

Fabio Estevam fabio.estevam at freescale.com
Thu Sep 13 13:33:39 EDT 2012


Add USB host support.

Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
---
 arch/arm/boot/dts/imx23-olinuxino.dts |   26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/arm/boot/dts/imx23-olinuxino.dts b/arch/arm/boot/dts/imx23-olinuxino.dts
index 711dcf5..daddd1e 100644
--- a/arch/arm/boot/dts/imx23-olinuxino.dts
+++ b/arch/arm/boot/dts/imx23-olinuxino.dts
@@ -40,6 +40,7 @@
 					reg = <0>;
 					fsl,pinmux-ids = <
 						0x2013 /* MX23_PAD_SSP1_DETECT__GPIO_2_1 */
+						0x0113 /* MX23_PAD_GPMI_ALE__GPIO_0_17 */
 					>;
 					fsl,drive-strength = <0>;
 					fsl,voltage = <1>;
@@ -60,6 +61,31 @@
 				pinctrl-0 = <&auart0_2pins_a>;
 				status = "okay";
 			};
+
+			usbphy0: usbphy at 8007c000 {
+				status = "okay";
+			};
+		};
+	};
+
+	ahb at 80080000 {
+		usb0: usb at 80080000 {
+			vbus-supply = <&reg_usb0_vbus>;
+			status = "okay";
+		};
+	};
+
+	regulators {
+		compatible = "simple-bus";
+
+		reg_usb0_vbus: usb0_vbus {
+			compatible = "regulator-fixed";
+			regulator-name = "usb0_vbus";
+			regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+			enable-active-high;
+			startup-delay-us = <300>; /* LAN9215 requires a POR of 200us minimum */
+			gpio = <&gpio0 17 0>;
 		};
 	};
 
-- 
1.7.9.5





More information about the linux-arm-kernel mailing list