ARM: dts: omap3-beagle: Add USB Host support
authorRoger Quadros <rogerq@ti.com>
Wed, 20 Mar 2013 15:45:00 +0000 (17:45 +0200)
committerTony Lindgren <tony@atomide.com>
Tue, 2 Apr 2013 17:00:04 +0000 (10:00 -0700)
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>
arch/arm/boot/dts/omap3-beagle.dts

index f624dc8..02d23f1 100644 (file)
                };
        };
 
+       /* 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 {
 &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>;
+};