[PATCH 1/2] ARM: dts: imx51-babbage: Add USB Host1 support

Fabio Estevam festevam at gmail.com
Tue Mar 25 08:35:21 EDT 2014


From: Fabio Estevam <fabio.estevam at freescale.com>

Signed-off by: Dave Ebright <dave.ebright at parsons.com>
Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
---
 arch/arm/boot/dts/imx51-babbage.dts | 42 +++++++++++++++++++++++++++++++++++++
 arch/arm/boot/dts/imx51.dtsi        |  8 +++++++
 2 files changed, 50 insertions(+)

diff --git a/arch/arm/boot/dts/imx51-babbage.dts b/arch/arm/boot/dts/imx51-babbage.dts
index 121dadd..0a4301f 100644
--- a/arch/arm/boot/dts/imx51-babbage.dts
+++ b/arch/arm/boot/dts/imx51-babbage.dts
@@ -119,6 +119,23 @@
 			gpios = <&gpio4 26 GPIO_ACTIVE_LOW>;
 		};
 	};
+
+	regulators {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		reg_usb_vbus: regulator at 0 {
+			compatible = "regulator-fixed";
+			reg = <0>;
+			regulator-name = "usb_vbus";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			gpio = <&gpio2 5 0>;
+			enable-active-high;
+		};
+	};
+
 };
 
 &esdhc1 {
@@ -461,6 +478,23 @@
 				MX51_PAD_EIM_D24__UART3_CTS		0x1c5
 			>;
 		};
+
+		pinctrl_usbh1: usbh1grp {
+			fsl,pins = <
+				MX51_PAD_USBH1_CLK__USBH1_CLK		0x80000000
+				MX51_PAD_USBH1_DIR__USBH1_DIR		0x80000000
+				MX51_PAD_USBH1_NXT__USBH1_NXT		0x80000000
+				MX51_PAD_USBH1_DATA0__USBH1_DATA0	0x80000000
+				MX51_PAD_USBH1_DATA1__USBH1_DATA1	0x80000000
+				MX51_PAD_USBH1_DATA2__USBH1_DATA2	0x80000000
+				MX51_PAD_USBH1_DATA3__USBH1_DATA3	0x80000000
+				MX51_PAD_USBH1_DATA4__USBH1_DATA4	0x80000000
+				MX51_PAD_USBH1_DATA5__USBH1_DATA5	0x80000000
+				MX51_PAD_USBH1_DATA6__USBH1_DATA6	0x80000000
+				MX51_PAD_USBH1_DATA7__USBH1_DATA7	0x80000000
+				MX51_PAD_EIM_D21__GPIO2_5		0x80000000
+			>;
+		};
 	};
 };
 
@@ -529,3 +563,11 @@
 		>;
 	status = "okay";
 };
+
+&usbh1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usbh1>;
+	vbus-supply = <&reg_usb_vbus>;
+	phy_type = "ulpi";
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/imx51.dtsi b/arch/arm/boot/dts/imx51.dtsi
index e508e6f..917b6ed 100644
--- a/arch/arm/boot/dts/imx51.dtsi
+++ b/arch/arm/boot/dts/imx51.dtsi
@@ -100,6 +100,13 @@
 			clocks = <&clks IMX5_CLK_USB_PHY_GATE>;
 			clock-names = "main_clk";
 		};
+
+		usbphy1: usbphy at 1 {
+			compatible = "usb-nop-xceiv";
+			reg = <1>;
+			clocks = <&clks IMX5_CLK_USB_PHY_GATE>;
+			clock-names = "main_clk";
+		};
 	};
 
 	soc {
@@ -239,6 +246,7 @@
 				interrupts = <14>;
 				clocks = <&clks IMX5_CLK_USBOH3_GATE>;
 				fsl,usbmisc = <&usbmisc 1>;
+				fsl,usbphy = <&usbphy1>;
 				status = "disabled";
 			};
 
-- 
1.8.1.2




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