ARM: dts: omap5-uevm: Add USB Host support
Provide the RESET regulators for the USB PHYs, the USB Host
port modes and the PHY devices.
Also provide pin multiplexer information for the USB host
pins.
Signed-off-by: Roger Quadros <rogerq@ti.com>
[r.sricharan@ti.com: Replaced constants with preprocessor macros]
Signed-off-by: Sricharan R <r.sricharan@ti.com>
Signed-off-by: Benoit Cousson <benoit.cousson@linaro.org>
diff --git a/arch/arm/boot/dts/omap5-uevm.dts b/arch/arm/boot/dts/omap5-uevm.dts
index 843a001..a31e42f 100644
--- a/arch/arm/boot/dts/omap5-uevm.dts
+++ b/arch/arm/boot/dts/omap5-uevm.dts
@@ -25,6 +25,40 @@
regulator-max-microvolt = <3000000>;
};
+ /* HS USB Port 2 RESET */
+ hsusb2_reset: hsusb2_reset_reg {
+ compatible = "regulator-fixed";
+ regulator-name = "hsusb2_reset";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio3 16 GPIO_ACTIVE_HIGH>; /* gpio3_80 HUB_NRESET */
+ startup-delay-us = <70000>;
+ enable-active-high;
+ };
+
+ /* HS USB Host PHY on PORT 2 */
+ hsusb2_phy: hsusb2_phy {
+ compatible = "usb-nop-xceiv";
+ reset-supply = <&hsusb2_reset>;
+ };
+
+ /* HS USB Port 3 RESET */
+ hsusb3_reset: hsusb3_reset_reg {
+ compatible = "regulator-fixed";
+ regulator-name = "hsusb3_reset";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio3 15 GPIO_ACTIVE_HIGH>; /* gpio3_79 ETH_NRESET */
+ startup-delay-us = <70000>;
+ enable-active-high;
+ };
+
+ /* HS USB Host PHY on PORT 3 */
+ hsusb3_phy: hsusb3_phy {
+ compatible = "usb-nop-xceiv";
+ reset-supply = <&hsusb3_reset>;
+ };
+
};
&omap5_pmx_core {
@@ -35,6 +69,7 @@
&dmic_pins
&mcbsp1_pins
&mcbsp2_pins
+ &usbhost_pins
>;
twl6040_pins: pinmux_twl6040_pins {
@@ -120,6 +155,32 @@
0x16c (PIN_INPUT | MUX_MODE1) /* mcspi2_cs */
>;
};
+
+ usbhost_pins: pinmux_usbhost_pins {
+ pinctrl-single,pins = <
+ 0x84 (PIN_INPUT | MUX_MODE0) /* usbb2_hsic_strobe */
+ 0x86 (PIN_INPUT | MUX_MODE0) /* usbb2_hsic_data */
+
+ 0x19e (PIN_INPUT | MUX_MODE0) /* usbb3_hsic_strobe */
+ 0x1a0 (PIN_INPUT | MUX_MODE0) /* usbb3_hsic_data */
+
+ 0x70 (PIN_OUTPUT | MUX_MODE6) /* gpio3_80 HUB_NRESET */
+ 0x6e (PIN_OUTPUT | MUX_MODE6) /* gpio3_79 ETH_NRESET */
+ >;
+ };
+};
+
+&omap5_pmx_wkup {
+ pinctrl-names = "default";
+ pinctrl-0 = <
+ &usbhost_wkup_pins
+ >;
+
+ usbhost_wkup_pins: pinmux_usbhost_wkup_pins {
+ pinctrl-single,pins = <
+ 0x1A (PIN_OUTPUT | MUX_MODE0) /* fref_clk1_out, USB hub clk */
+ >;
+ };
};
&mmc1 {
@@ -164,6 +225,15 @@
status = "disabled";
};
+&usbhshost {
+ port2-mode = "ehci-hsic";
+ port3-mode = "ehci-hsic";
+};
+
+&usbhsehci {
+ phys = <0 &hsusb2_phy &hsusb3_phy>;
+};
+
&mcspi1 {
};