[PATCH v2 1/2] ARM: dts: imx51-babbage: Add USB Host1 support
Fabio Estevam
festevam at gmail.com
Wed Mar 26 10:54:38 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>
---
Changes since v1:
- Does not touch the common imx51.dtsi file and provide the usbphy node locally
arch/arm/boot/dts/imx51-babbage.dts | 55 +++++++++++++++++++++++++++++++++++++
1 file changed, 55 insertions(+)
diff --git a/arch/arm/boot/dts/imx51-babbage.dts b/arch/arm/boot/dts/imx51-babbage.dts
index 121dadd..1084607 100644
--- a/arch/arm/boot/dts/imx51-babbage.dts
+++ b/arch/arm/boot/dts/imx51-babbage.dts
@@ -119,6 +119,35 @@
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;
+ };
+ };
+
+ usbphy {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "simple-bus";
+
+ usbh1phy: usbh1phy at 0 {
+ compatible = "usb-nop-xceiv";
+ reg = <0>;
+ clocks = <&clks 0>;
+ clock-names = "main_clk";
+ };
+ };
};
&esdhc1 {
@@ -461,6 +490,23 @@
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 +575,12 @@
>;
status = "okay";
};
+
+&usbh1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usbh1>;
+ vbus-supply = <®_usb_vbus>;
+ fsl,usbphy = <&usbh1phy>;
+ phy_type = "ulpi";
+ status = "okay";
+};
--
1.8.1.2
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