summaryrefslogtreecommitdiff
path: root/arch/arm/boot
diff options
context:
space:
mode:
authorRoger Quadros <rogerq@ti.com>2013-03-20 17:45:00 +0200
committerTony Lindgren <tony@atomide.com>2013-04-02 10:00:04 -0700
commit2e5f78aeceb6f203b514ca03a48e3fd056025524 (patch)
tree58df2a12ea5f6218378366fad2b8d2ebdd0446a7 /arch/arm/boot
parentaf3eb366ae6a3f33eb6e7f8c282ab6859b2fca95 (diff)
ARM: dts: omap3-beagle: Add USB Host support
Provide RESET and Power regulators for the USB PHY, the USB Host port mode and the PHY device. Also provide pin multiplexer information for USB host pins. CC: BenoƮt Cousson <b-cousson@ti.com> Signed-off-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/boot')
-rw-r--r--arch/arm/boot/dts/omap3-beagle.dts71
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/omap3-beagle.dts b/arch/arm/boot/dts/omap3-beagle.dts
index f624dc85d441..02d23f15fd86 100644
--- a/arch/arm/boot/dts/omap3-beagle.dts
+++ b/arch/arm/boot/dts/omap3-beagle.dts
@@ -38,6 +38,57 @@
};
};
+ /* 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 = <&gpio5 19 0>; /* gpio_147 */
+ startup-delay-us = <70000>;
+ enable-active-high;
+ };
+
+ /* HS USB Port 2 Power */
+ hsusb2_power: hsusb2_power_reg {
+ compatible = "regulator-fixed";
+ regulator-name = "hsusb2_vbus";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&twl_gpio 18 0>; /* GPIO LEDA */
+ startup-delay-us = <70000>;
+ };
+
+ /* HS USB Host PHY on PORT 2 */
+ hsusb2_phy: hsusb2_phy {
+ compatible = "usb-nop-xceiv";
+ reset-supply = <&hsusb2_reset>;
+ vcc-supply = <&hsusb2_power>;
+ };
+};
+
+&omap3_pmx_core {
+ pinctrl-names = "default";
+ pinctrl-0 = <
+ &hsusbb2_pins
+ >;
+
+ hsusbb2_pins: pinmux_hsusbb2_pins {
+ pinctrl-single,pins = <
+ 0x5c0 0x3 /* USBB2_ULPITLL_CLK_MUXMODE.usbb1_ulpiphy_clk OUTPUT */
+ 0x5c2 0x3 /* USBB2_ULPITLL_CLK_MUXMODE.usbb1_ulpiphy_stp OUTPUT */
+ 0x5c4 0x10b /* USBB2_ULPITLL_CLK_MUXMODE.usbb1_ulpiphy_dir INPUT | PULLDOWN */
+ 0x5c6 0x10b /* USBB2_ULPITLL_CLK_MUXMODE.usbb1_ulpiphy_nxt INPUT | PULLDOWN */
+ 0x5c8 0x10b /* USBB2_ULPITLL_CLK_MUXMODE.usbb1_ulpiphy_dat0 INPUT | PULLDOWN */
+ 0x5cA 0x10b /* USBB2_ULPITLL_CLK_MUXMODE.usbb1_ulpiphy_dat1 INPUT | PULLDOWN */
+ 0x1a4 0x10b /* USBB2_ULPITLL_CLK_MUXMODE.usbb1_ulpiphy_dat2 INPUT | PULLDOWN */
+ 0x1a6 0x10b /* USBB2_ULPITLL_CLK_MUXMODE.usbb1_ulpiphy_dat3 INPUT | PULLDOWN */
+ 0x1a8 0x10b /* USBB2_ULPITLL_CLK_MUXMODE.usbb1_ulpiphy_dat4 INPUT | PULLDOWN */
+ 0x1aa 0x10b /* USBB2_ULPITLL_CLK_MUXMODE.usbb1_ulpiphy_dat5 INPUT | PULLDOWN */
+ 0x1ac 0x10b /* USBB2_ULPITLL_CLK_MUXMODE.usbb1_ulpiphy_dat6 INPUT | PULLDOWN */
+ 0x1ae 0x10b /* USBB2_ULPITLL_CLK_MUXMODE.usbb1_ulpiphy_dat7 INPUT | PULLDOWN */
+ >;
+ };
};
&i2c1 {
@@ -65,3 +116,23 @@
&mmc3 {
status = "disabled";
};
+
+&usbhshost {
+ port2-mode = "ehci-phy";
+};
+
+&usbhsehci {
+ phys = <0 &hsusb2_phy>;
+};
+
+&twl_gpio {
+ ti,use-leds;
+ /* pullups: BIT(1) */
+ ti,pullups = <0x000002>;
+ /*
+ * pulldowns:
+ * BIT(2), BIT(6), BIT(7), BIT(8), BIT(13)
+ * BIT(15), BIT(16), BIT(17)
+ */
+ ti,pulldowns = <0x03a1c4>;
+};