Merge branch 'for_3.10/dts' of git://git.kernel.org/pub/scm/linux/kernel/git/bcousson/linux-omap-dt into omap-for-v3.10/dt

27 files changed, 475 insertions, 196 deletions

diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index ce812decfac..7eb9651dd0f 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -445,16 +445,23 @@ static void enable_board_wakeup_source(void)
 		OMAP_WAKEUP_EN | OMAP_PIN_INPUT_PULLUP);
 }
 
+static struct usbhs_phy_data phy_data[] __initdata = {
+	{
+		.port = 1,
+		.reset_gpio = 57,
+		.vcc_gpio = -EINVAL,
+	},
+	{
+		.port = 2,
+		.reset_gpio = 61,
+		.vcc_gpio = -EINVAL,
+	},
+};
+
 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
 
 	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
 	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
-	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
-
-	.phy_reset  = true,
-	.reset_gpio_port[0]  = 57,
-	.reset_gpio_port[1]  = 61,
-	.reset_gpio_port[2]  = -EINVAL
 };
 
 #ifdef CONFIG_OMAP_MUX
@@ -606,6 +613,8 @@ static void __init omap_3430sdp_init(void)
 	board_flash_init(sdp_flash_partitions, chip_sel_3430, 0);
 	sdp3430_display_init();
 	enable_board_wakeup_source();
+
+	usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
 	usbhs_init(&usbhs_bdata);
 }
 
diff --git a/arch/arm/mach-omap2/board-3630sdp.c b/arch/arm/mach-omap2/board-3630sdp.c
index 67447bd4564..20d6d818924 100644
--- a/arch/arm/mach-omap2/board-3630sdp.c
+++ b/arch/arm/mach-omap2/board-3630sdp.c
@@ -53,16 +53,23 @@ static void enable_board_wakeup_source(void)
 		OMAP_WAKEUP_EN | OMAP_PIN_INPUT_PULLUP);
 }
 
+static struct usbhs_phy_data phy_data[] __initdata = {
+	{
+		.port = 1,
+		.reset_gpio = 126,
+		.vcc_gpio = -EINVAL,
+	},
+	{
+		.port = 2,
+		.reset_gpio = 61,
+		.vcc_gpio = -EINVAL,
+	},
+};
+
 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
 
 	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
 	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
-	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
-
-	.phy_reset  = true,
-	.reset_gpio_port[0]  = 126,
-	.reset_gpio_port[1]  = 61,
-	.reset_gpio_port[2]  = -EINVAL
 };
 
 #ifdef CONFIG_OMAP_MUX
@@ -199,6 +206,8 @@ static void __init omap_sdp_init(void)
 	board_smc91x_init();
 	board_flash_init(sdp_flash_partitions, chip_sel_sdp, NAND_BUSWIDTH_16);
 	enable_board_wakeup_source();
+
+	usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
 	usbhs_init(&usbhs_bdata);
 }
 
diff --git a/arch/arm/mach-omap2/board-am3517crane.c b/arch/arm/mach-omap2/board-am3517crane.c
index 7d3358b2e59..fc53911d0d1 100644
--- a/arch/arm/mach-omap2/board-am3517crane.c
+++ b/arch/arm/mach-omap2/board-am3517crane.c
@@ -47,15 +47,17 @@ static struct omap_board_mux board_mux[] __initdata = {
 };
 #endif
 
+static struct usbhs_phy_data phy_data[] __initdata = {
+	{
+		.port = 1,
+		.reset_gpio = GPIO_USB_NRESET,
+		.vcc_gpio = GPIO_USB_POWER,
+		.vcc_polarity = 1,
+	},
+};
+
 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
 	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
-	.port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
-	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
-
-	.phy_reset  = true,
-	.reset_gpio_port[0]  = GPIO_USB_NRESET,
-	.reset_gpio_port[1]  = -EINVAL,
-	.reset_gpio_port[2]  = -EINVAL
 };
 
 static struct mtd_partition crane_nand_partitions[] = {
@@ -131,13 +133,7 @@ static void __init am3517_crane_init(void)
 		return;
 	}
 
-	ret = gpio_request_one(GPIO_USB_POWER, GPIOF_OUT_INIT_HIGH,
-			       "usb_ehci_enable");
-	if (ret < 0) {
-		pr_err("Can not request GPIO %d\n", GPIO_USB_POWER);
-		return;
-	}
-
+	usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
 	usbhs_init(&usbhs_bdata);
 	am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY, 1);
 }
diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c
index 9fb85908a61..191f9762ba6 100644
--- a/arch/arm/mach-omap2/board-am3517evm.c
+++ b/arch/arm/mach-omap2/board-am3517evm.c
@@ -274,6 +274,14 @@ static __init void am3517_evm_mcbsp1_init(void)
 	omap_ctrl_writel(devconf0, OMAP2_CONTROL_DEVCONF0);
 }
 
+static struct usbhs_phy_data phy_data[] __initdata = {
+	{
+		.port = 1,
+		.reset_gpio = 57,
+		.vcc_gpio = -EINVAL,
+	},
+};
+
 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
 	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
 #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
@@ -282,12 +290,6 @@ static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
 #else
 	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 #endif
-	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
-
-	.phy_reset  = true,
-	.reset_gpio_port[0]  = 57,
-	.reset_gpio_port[1]  = -EINVAL,
-	.reset_gpio_port[2]  = -EINVAL
 };
 
 #ifdef CONFIG_OMAP_MUX
@@ -349,7 +351,6 @@ static struct omap2_hsmmc_info mmc[] = {
 	{}      /* Terminator */
 };
 
-
 static void __init am3517_evm_init(void)
 {
 	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
@@ -361,6 +362,8 @@ static void __init am3517_evm_init(void)
 
 	/* Configure GPIO for EHCI port */
 	omap_mux_init_gpio(57, OMAP_PIN_OUTPUT);
+
+	usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
 	usbhs_init(&usbhs_bdata);
 	am3517_evm_hecc_init(&am3517_evm_hecc_pdata);
 	/* DSS */
diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c
index af2bb219e21..7fda3f5f8a7 100644
--- a/arch/arm/mach-omap2/board-cm-t35.c
+++ b/arch/arm/mach-omap2/board-cm-t35.c
@@ -419,15 +419,22 @@ static struct omap2_hsmmc_info mmc[] = {
 	{}	/* Terminator */
 };
 
+static struct usbhs_phy_data phy_data[] __initdata = {
+	{
+		.port = 1,
+		.reset_gpio = OMAP_MAX_GPIO_LINES + 6,
+		.vcc_gpio = -EINVAL,
+	},
+	{
+		.port = 2,
+		.reset_gpio = OMAP_MAX_GPIO_LINES + 7,
+		.vcc_gpio = -EINVAL,
+	},
+};
+
 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
 	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
 	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
-	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
-
-	.phy_reset  = true,
-	.reset_gpio_port[0]  = OMAP_MAX_GPIO_LINES + 6,
-	.reset_gpio_port[1]  = OMAP_MAX_GPIO_LINES + 7,
-	.reset_gpio_port[2]  = -EINVAL
 };
 
 static void  __init cm_t35_init_usbh(void)
@@ -444,6 +451,7 @@ static void  __init cm_t35_init_usbh(void)
 		msleep(1);
 	}
 
+	usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
 	usbhs_init(&usbhs_bdata);
 }
 
diff --git a/arch/arm/mach-omap2/board-cm-t3517.c b/arch/arm/mach-omap2/board-cm-t3517.c
index a66da808cc4..6920f6cfc97 100644
--- a/arch/arm/mach-omap2/board-cm-t3517.c
+++ b/arch/arm/mach-omap2/board-cm-t3517.c
@@ -188,15 +188,22 @@ static inline void cm_t3517_init_rtc(void) {}
 #define HSUSB2_RESET_GPIO	(147)
 #define USB_HUB_RESET_GPIO	(152)
 
+static struct usbhs_phy_data phy_data[] __initdata = {
+	{
+		.port = 1,
+		.reset_gpio = HSUSB1_RESET_GPIO,
+		.vcc_gpio = -EINVAL,
+	},
+	{
+		.port = 2,
+		.reset_gpio = HSUSB2_RESET_GPIO,
+		.vcc_gpio = -EINVAL,
+	},
+};
+
 static struct usbhs_omap_platform_data cm_t3517_ehci_pdata __initdata = {
 	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
 	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
-	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
-
-	.phy_reset  = true,
-	.reset_gpio_port[0]  = HSUSB1_RESET_GPIO,
-	.reset_gpio_port[1]  = HSUSB2_RESET_GPIO,
-	.reset_gpio_port[2]  = -EINVAL,
 };
 
 static int __init cm_t3517_init_usbh(void)
@@ -213,6 +220,7 @@ static int __init cm_t3517_init_usbh(void)
 		msleep(1);
 	}
 
+	usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
 	usbhs_init(&cm_t3517_ehci_pdata);
 
 	return 0;
diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c
index 53056c3b083..42fbf1ef12a 100644
--- a/arch/arm/mach-omap2/board-devkit8000.c
+++ b/arch/arm/mach-omap2/board-devkit8000.c
@@ -437,15 +437,7 @@ static struct platform_device *devkit8000_devices[] __initdata = {
 };
 
 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
-
 	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
-	.port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
-	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
-
-	.phy_reset  = true,
-	.reset_gpio_port[0]  = -EINVAL,
-	.reset_gpio_port[1]  = -EINVAL,
-	.reset_gpio_port[2]  = -EINVAL
 };
 
 #ifdef CONFIG_OMAP_MUX
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index e54a4806019..afa509afb27 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -110,6 +110,7 @@ MACHINE_END
 
 static const char *omap3_gp_boards_compat[] __initdata = {
 	"ti,omap3-beagle",
+	"timll,omap3-devkit8000",
 	NULL,
 };
 
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
index bf92678a01d..95ccec0eeab 100644
--- a/arch/arm/mach-omap2/board-igep0020.c
+++ b/arch/arm/mach-omap2/board-igep0020.c
@@ -527,26 +527,28 @@ static void __init igep_i2c_init(void)
 	omap3_pmic_init("twl4030", &igep_twldata);
 }
 
+static struct usbhs_phy_data igep2_phy_data[] __initdata = {
+	{
+		.port = 1,
+		.reset_gpio = IGEP2_GPIO_USBH_NRESET,
+		.vcc_gpio = -EINVAL,
+	},
+};
+
+static struct usbhs_phy_data igep3_phy_data[] __initdata = {
+	{
+		.port = 2,
+		.reset_gpio = IGEP3_GPIO_USBH_NRESET,
+		.vcc_gpio = -EINVAL,
+	},
+};
+
 static struct usbhs_omap_platform_data igep2_usbhs_bdata __initdata = {
 	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
-	.port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
-	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
-
-	.phy_reset = true,
-	.reset_gpio_port[0] = IGEP2_GPIO_USBH_NRESET,
-	.reset_gpio_port[1] = -EINVAL,
-	.reset_gpio_port[2] = -EINVAL,
 };
 
 static struct usbhs_omap_platform_data igep3_usbhs_bdata __initdata = {
-	.port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
 	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
-	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
-
-	.phy_reset = true,
-	.reset_gpio_port[0] = -EINVAL,
-	.reset_gpio_port[1] = IGEP3_GPIO_USBH_NRESET,
-	.reset_gpio_port[2] = -EINVAL,
 };
 
 #ifdef CONFIG_OMAP_MUX
@@ -642,8 +644,10 @@ static void __init igep_init(void)
 	if (machine_is_igep0020()) {
 		omap_display_init(&igep2_dss_data);
 		igep2_init_smsc911x();
+		usbhs_init_phys(igep2_phy_data, ARRAY_SIZE(igep2_phy_data));
 		usbhs_init(&igep2_usbhs_bdata);
 	} else {
+		usbhs_init_phys(igep3_phy_data, ARRAY_SIZE(igep3_phy_data));
 		usbhs_init(&igep3_usbhs_bdata);
 	}
 }
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index c3558f93d42..5382215a49b 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -33,6 +33,7 @@
 #include <linux/mtd/nand.h>
 #include <linux/mmc/host.h>
 #include <linux/usb/phy.h>
+#include <linux/usb/nop-usb-xceiv.h>
 
 #include <linux/regulator/machine.h>
 #include <linux/i2c/twl.h>
@@ -277,6 +278,21 @@ static struct regulator_consumer_supply beagle_vsim_supply[] = {
 
 static struct gpio_led gpio_leds[];
 
+/* PHY's VCC regulator might be added later, so flag that we need it */
+static struct nop_usb_xceiv_platform_data hsusb2_phy_data = {
+	.needs_vcc = true,
+};
+
+static struct usbhs_phy_data phy_data[] = {
+	{
+		.port = 2,
+		.reset_gpio = 147,
+		.vcc_gpio = -1,		/* updated in beagle_twl_gpio_setup */
+		.vcc_polarity = 1,	/* updated in beagle_twl_gpio_setup */
+		.platform_data = &hsusb2_phy_data,
+	},
+};
+
 static int beagle_twl_gpio_setup(struct device *dev,
 		unsigned gpio, unsigned ngpio)
 {
@@ -318,9 +334,11 @@ static int beagle_twl_gpio_setup(struct device *dev,
 	}
 	dvi_panel.power_down_gpio = beagle_config.dvi_pd_gpio;
 
-	gpio_request_one(gpio + TWL4030_GPIO_MAX, beagle_config.usb_pwr_level,
-			"nEN_USB_PWR");
+	/* TWL4030_GPIO_MAX i.e. LED_GPO controls HS USB Port 2 power */
+	phy_data[0].vcc_gpio = gpio + TWL4030_GPIO_MAX;
+	phy_data[0].vcc_polarity = beagle_config.usb_pwr_level;
 
+	usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
 	return 0;
 }
 
@@ -453,15 +471,7 @@ static struct platform_device *omap3_beagle_devices[] __initdata = {
 };
 
 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
-
-	.port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
 	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
-	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
-
-	.phy_reset  = true,
-	.reset_gpio_port[0]  = -EINVAL,
-	.reset_gpio_port[1]  = 147,
-	.reset_gpio_port[2]  = -EINVAL
 };
 
 #ifdef CONFIG_OMAP_MUX
@@ -543,7 +553,9 @@ static void __init omap3_beagle_init(void)
 
 	usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
 	usb_musb_init(NULL);
+
 	usbhs_init(&usbhs_bdata);
+
 	board_nand_init(omap3beagle_nand_partitions,
 			ARRAY_SIZE(omap3beagle_nand_partitions), NAND_CS,
 			NAND_BUSWIDTH_16, NULL);
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 48789e0bb91..2de92facc8a 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -496,7 +496,7 @@ struct wl12xx_platform_data omap3evm_wlan_data __initdata = {
 static struct regulator_consumer_supply omap3evm_vaux2_supplies[] = {
 	REGULATOR_SUPPLY("VDD_CSIPHY1", "omap3isp"),	/* OMAP ISP */
 	REGULATOR_SUPPLY("VDD_CSIPHY2", "omap3isp"),	/* OMAP ISP */
-	REGULATOR_SUPPLY("hsusb1", "ehci-omap.0"),
+	REGULATOR_SUPPLY("vcc", "nop_usb_xceiv.2"),	/* hsusb port 2 */
 	REGULATOR_SUPPLY("vaux2", NULL),
 };
 
@@ -539,17 +539,16 @@ static int __init omap3_evm_i2c_init(void)
 	return 0;
 }
 
-static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
+static struct usbhs_phy_data phy_data[] __initdata = {
+	{
+		.port = 2,
+		.reset_gpio = -1,	/* set at runtime */
+		.vcc_gpio = -EINVAL,
+	},
+};
 
-	.port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
+static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
 	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
-	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
-
-	.phy_reset  = true,
-	/* PHY reset GPIO will be runtime programmed based on EVM version */
-	.reset_gpio_port[0]  = -EINVAL,
-	.reset_gpio_port[1]  = -EINVAL,
-	.reset_gpio_port[2]  = -EINVAL
 };
 
 #ifdef CONFIG_OMAP_MUX
@@ -725,7 +724,7 @@ static void __init omap3_evm_init(void)
 
 		/* setup EHCI phy reset config */
 		omap_mux_init_gpio(21, OMAP_PIN_INPUT_PULLUP);
-		usbhs_bdata.reset_gpio_port[1] = 21;
+		phy_data[0].reset_gpio = 21;
 
 		/* EVM REV >= E can supply 500mA with EXTVBUS programming */
 		musb_board_data.power = 500;
@@ -733,10 +732,12 @@ static void __init omap3_evm_init(void)
 	} else {
 		/* setup EHCI phy reset on MDC */
 		omap_mux_init_gpio(135, OMAP_PIN_OUTPUT);
-		usbhs_bdata.reset_gpio_port[1] = 135;
+		phy_data[0].reset_gpio = 135;
 	}
 	usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
 	usb_musb_init(&musb_board_data);
+
+	usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
 	usbhs_init(&usbhs_bdata);
 	board_nand_init(omap3evm_nand_partitions,
 			ARRAY_SIZE(omap3evm_nand_partitions), NAND_CS,
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index 2bba362148a..1004d2aaa68 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -346,7 +346,7 @@ static struct regulator_consumer_supply pandora_vcc_lcd_supply[] = {
 };
 
 static struct regulator_consumer_supply pandora_usb_phy_supply[] = {
-	REGULATOR_SUPPLY("hsusb1", "ehci-omap.0"),
+	REGULATOR_SUPPLY("vcc", "nop_usb_xceiv.2"),	/* hsusb port 2 */
 };
 
 /* ads7846 on SPI and 2 nub controllers on I2C */
@@ -561,6 +561,14 @@ fail:
 	printk(KERN_ERR "wl1251 board initialisation failed\n");
 }
 
+static struct usbhs_phy_data phy_data[] __initdata = {
+	{
+		.port = 2,
+		.reset_gpio = 16,
+		.vcc_gpio = -EINVAL,
+	},
+};
+
 static struct platform_device *omap3pandora_devices[] __initdata = {
 	&pandora_leds_gpio,
 	&pandora_keys_gpio,
@@ -569,15 +577,7 @@ static struct platform_device *omap3pandora_devices[] __initdata = {
 };
 
 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
-
-	.port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
 	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
-	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
-
-	.phy_reset  = true,
-	.reset_gpio_port[0]  = -EINVAL,
-	.reset_gpio_port[1]  = 16,
-	.reset_gpio_port[2]  = -EINVAL
 };
 
 #ifdef CONFIG_OMAP_MUX
@@ -601,7 +601,10 @@ static void __init omap3pandora_init(void)
 	spi_register_board_info(omap3pandora_spi_board_info,
 			ARRAY_SIZE(omap3pandora_spi_board_info));
 	omap_ads7846_init(1, OMAP3_PANDORA_TS_GPIO, 0, NULL);
+
+	usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
 	usbhs_init(&usbhs_bdata);
+
 	usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
 	usb_musb_init(NULL);
 	gpmc_nand_init(&pandora_nand_data, NULL);
diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c
index 95c10b3aa67..bf095648989 100644
--- a/arch/arm/mach-omap2/board-omap3stalker.c
+++ b/arch/arm/mach-omap2/board-omap3stalker.c
@@ -358,19 +358,20 @@ static int __init omap3_stalker_i2c_init(void)
 
 #define OMAP3_STALKER_TS_GPIO	175
 
+static struct usbhs_phy_data phy_data[] __initdata = {
+	{
+		.port = 2,
+		.reset_gpio = 21,
+		.vcc_gpio = -EINVAL,
+	},
+};
+
 static struct platform_device *omap3_stalker_devices[] __initdata = {
 	&keys_gpio,
 };
 
 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
-	.port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
 	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
-	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
-
-	.phy_reset = true,
-	.reset_gpio_port[0] = -EINVAL,
-	.reset_gpio_port[1] = 21,
-	.reset_gpio_port[2] = -EINVAL,
 };
 
 #ifdef CONFIG_OMAP_MUX
@@ -407,6 +408,8 @@ static void __init omap3_stalker_init(void)
 	omap_sdrc_init(mt46h32m32lf6_sdrc_params, NULL);
 	usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
 	usb_musb_init(NULL);
+
+	usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
 	usbhs_init(&usbhs_bdata);
 	omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL);
 
diff --git a/arch/arm/mach-omap2/board-omap3touchbook.c b/arch/arm/mach-omap2/board-omap3touchbook.c
index bcd44fbcd87..7da48bc42bb 100644
--- a/arch/arm/mach-omap2/board-omap3touchbook.c
+++ b/arch/arm/mach-omap2/board-omap3touchbook.c
@@ -305,21 +305,22 @@ static struct omap_board_mux board_mux[] __initdata = {
 };
 #endif
 
+static struct usbhs_phy_data phy_data[] __initdata = {
+	{
+		.port = 2,
+		.reset_gpio = 147,
+		.vcc_gpio = -EINVAL,
+	},
+};
+
 static struct platform_device *omap3_touchbook_devices[] __initdata = {
 	&leds_gpio,
 	&keys_gpio,
 };
 
 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
-
 	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
 	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
-	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
-
-	.phy_reset  = true,
-	.reset_gpio_port[0]  = -EINVAL,
-	.reset_gpio_port[1]  = 147,
-	.reset_gpio_port[2]  = -EINVAL
 };
 
 static void omap3_touchbook_poweroff(void)
@@ -368,6 +369,8 @@ static void __init omap3_touchbook_init(void)
 	omap_ads7846_init(4, OMAP3_TS_GPIO, 310, &ads7846_pdata);
 	usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
 	usb_musb_init(NULL);
+
+	usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
 	usbhs_init(&usbhs_bdata);
 	board_nand_init(omap3touchbook_nand_partitions,
 			ARRAY_SIZE(omap3touchbook_nand_partitions), NAND_CS,
diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
index b02c2f00609..a71ad345f20 100644
--- a/arch/arm/mach-omap2/board-omap4panda.c
+++ b/arch/arm/mach-omap2/board-omap4panda.c
@@ -31,6 +31,7 @@
 #include <linux/ti_wilink_st.h>
 #include <linux/usb/musb.h>
 #include <linux/usb/phy.h>
+#include <linux/usb/nop-usb-xceiv.h>
 #include <linux/wl12xx.h>
 #include <linux/irqchip/arm-gic.h>
 #include <linux/platform_data/omap-abe-twl6040.h>
@@ -132,6 +133,22 @@ static struct platform_device btwilink_device = {
 	.id	= -1,
 };
 
+/* PHY device on HS USB Port 1 i.e. nop_usb_xceiv.1 */
+static struct nop_usb_xceiv_platform_data hsusb1_phy_data = {
+	/* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
+	.clk_rate = 19200000,
+};
+
+static struct usbhs_phy_data phy_data[] __initdata = {
+	{
+		.port = 1,
+		.reset_gpio = GPIO_HUB_NRESET,
+		.vcc_gpio = GPIO_HUB_POWER,
+		.vcc_polarity = 1,
+		.platform_data = &hsusb1_phy_data,
+	},
+};
+
 static struct platform_device *panda_devices[] __initdata = {
 	&leds_gpio,
 	&wl1271_device,
@@ -142,49 +159,19 @@ static struct platform_device *panda_devices[] __initdata = {
 
 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
 	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
-	.port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
-	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
-	.phy_reset  = false,
-	.reset_gpio_port[0]  = -EINVAL,
-	.reset_gpio_port[1]  = -EINVAL,
-	.reset_gpio_port[2]  = -EINVAL
-};
-
-static struct gpio panda_ehci_gpios[] __initdata = {
-	{ GPIO_HUB_POWER,	GPIOF_OUT_INIT_LOW,  "hub_power"  },
-	{ GPIO_HUB_NRESET,	GPIOF_OUT_INIT_LOW,  "hub_nreset" },
 };
 
 static void __init omap4_ehci_init(void)
 {
 	int ret;
-	struct clk *phy_ref_clk;
 
 	/* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
-	phy_ref_clk = clk_get(NULL, "auxclk3_ck");
-	if (IS_ERR(phy_ref_clk)) {
-		pr_err("Cannot request auxclk3\n");
-		return;
-	}
-	clk_set_rate(phy_ref_clk, 19200000);
-	clk_prepare_enable(phy_ref_clk);
-
-	/* disable the power to the usb hub prior to init and reset phy+hub */
-	ret = gpio_request_array(panda_ehci_gpios,
-				 ARRAY_SIZE(panda_ehci_gpios));
-	if (ret) {
-		pr_err("Unable to initialize EHCI power/reset\n");
-		return;
-	}
-
-	gpio_export(GPIO_HUB_POWER, 0);
-	gpio_export(GPIO_HUB_NRESET, 0);
-	gpio_set_value(GPIO_HUB_NRESET, 1);
+	ret = clk_add_alias("main_clk", "nop_usb_xceiv.1", "auxclk3_ck", NULL);
+	if (ret)
+		pr_err("Failed to add main_clk alias to auxclk3_ck\n");
 
+	usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
 	usbhs_init(&usbhs_bdata);
-
-	/* enable power to hub */
-	gpio_set_value(GPIO_HUB_POWER, 1);
 }
 
 static struct omap_musb_board_data musb_board_data = {
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index 86bab51154e..ab79a4422bc 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -458,14 +458,16 @@ static int __init overo_spi_init(void)
 	return 0;
 }
 
+static struct usbhs_phy_data phy_data[] __initdata = {
+	{
+		.port = 2,
+		.reset_gpio = OVERO_GPIO_USBH_NRESET,
+		.vcc_gpio = -EINVAL,
+	},
+};
+
 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
-	.port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
 	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
-	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
-	.phy_reset  = true,
-	.reset_gpio_port[0]  = -EINVAL,
-	.reset_gpio_port[1]  = OVERO_GPIO_USBH_NRESET,
-	.reset_gpio_port[2]  = -EINVAL
 };
 
 #ifdef CONFIG_OMAP_MUX
@@ -502,6 +504,8 @@ static void __init overo_init(void)
 			ARRAY_SIZE(overo_nand_partitions), NAND_CS, 0, NULL);
 	usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
 	usb_musb_init(NULL);
+
+	usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
 	usbhs_init(&usbhs_bdata);
 	overo_spi_init();
 	overo_init_smsc911x();
diff --git a/arch/arm/mach-omap2/board-zoom.c b/arch/arm/mach-omap2/board-zoom.c
index 5e4d4c9fe61..1a3dd865d8e 100644
--- a/arch/arm/mach-omap2/board-zoom.c
+++ b/arch/arm/mach-omap2/board-zoom.c
@@ -92,14 +92,16 @@ static struct mtd_partition zoom_nand_partitions[] = {
 	},
 };
 
+static struct usbhs_phy_data phy_data[] __initdata = {
+	{
+		.port = 2,
+		.reset_gpio = ZOOM3_EHCI_RESET_GPIO,
+		.vcc_gpio = -EINVAL,
+	},
+};
+
 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
-	.port_mode[0]		= OMAP_USBHS_PORT_MODE_UNUSED,
 	.port_mode[1]		= OMAP_EHCI_PORT_MODE_PHY,
-	.port_mode[2]		= OMAP_USBHS_PORT_MODE_UNUSED,
-	.phy_reset		= true,
-	.reset_gpio_port[0]	= -EINVAL,
-	.reset_gpio_port[1]	= ZOOM3_EHCI_RESET_GPIO,
-	.reset_gpio_port[2]	= -EINVAL,
 };
 
 static void __init omap_zoom_init(void)
@@ -109,6 +111,8 @@ static void __init omap_zoom_init(void)
 	} else if (machine_is_omap_zoom3()) {
 		omap3_mux_init(board_mux, OMAP_PACKAGE_CBP);
 		omap_mux_init_gpio(ZOOM3_EHCI_RESET_GPIO, OMAP_PIN_OUTPUT);
+
+		usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
 		usbhs_init(&usbhs_bdata);
 	}
 
diff --git a/arch/arm/mach-omap2/cclock33xx_data.c b/arch/arm/mach-omap2/cclock33xx_data.c
index 476b82066cb..7f091c85384 100644
--- a/arch/arm/mach-omap2/cclock33xx_data.c
+++ b/arch/arm/mach-omap2/cclock33xx_data.c
@@ -958,6 +958,14 @@ int __init am33xx_clk_init(void)
 
 	clk_set_parent(&timer3_fck, &sys_clkin_ck);
 	clk_set_parent(&timer6_fck, &sys_clkin_ck);
+	/*
+	 * The On-Chip 32K RC Osc clock is not an accurate clock-source as per
+	 * the design/spec, so as a result, for example, timer which supposed
+	 * to get expired @60Sec, but will expire somewhere ~@40Sec, which is
+	 * not expected by any use-case, so change WDT1 clock source to PRCM
+	 * 32KHz clock.
+	 */
+	clk_set_parent(&wdt1_fck, &clkdiv32k_ick);
 
 	return 0;
 }
diff --git a/arch/arm/mach-omap2/dpll3xxx.c b/arch/arm/mach-omap2/dpll3xxx.c
index 3aed4b0b956..6e9873ff184 100644
--- a/arch/arm/mach-omap2/dpll3xxx.c
+++ b/arch/arm/mach-omap2/dpll3xxx.c
@@ -480,20 +480,22 @@ int omap3_noncore_dpll_set_rate(struct clk_hw *hw, unsigned long rate,
 	if (!dd)
 		return -EINVAL;
 
-	__clk_prepare(dd->clk_bypass);
-	clk_enable(dd->clk_bypass);
-	__clk_prepare(dd->clk_ref);
-	clk_enable(dd->clk_ref);
-
 	if (__clk_get_rate(dd->clk_bypass) == rate &&
 	    (dd->modes & (1 << DPLL_LOW_POWER_BYPASS))) {
 		pr_debug("%s: %s: set rate: entering bypass.\n",
 			 __func__, __clk_get_name(hw->clk));
 
+		__clk_prepare(dd->clk_bypass);
+		clk_enable(dd->clk_bypass);
 		ret = _omap3_noncore_dpll_bypass(clk);
 		if (!ret)
 			new_parent = dd->clk_bypass;
+		clk_disable(dd->clk_bypass);
+		__clk_unprepare(dd->clk_bypass);
 	} else {
+		__clk_prepare(dd->clk_ref);
+		clk_enable(dd->clk_ref);
+
 		if (dd->last_rounded_rate != rate)
 			rate = __clk_round_rate(hw->clk, rate);
 
@@ -514,6 +516,8 @@ int omap3_noncore_dpll_set_rate(struct clk_hw *hw, unsigned long rate,
 		ret = omap3_noncore_dpll_program(clk, freqsel);
 		if (!ret)
 			new_parent = dd->clk_ref;
+		clk_disable(dd->clk_ref);
+		__clk_unprepare(dd->clk_ref);
 	}
 	/*
 	* FIXME - this is all wrong.  common code handles reparenting and
@@ -525,11 +529,6 @@ int omap3_noncore_dpll_set_rate(struct clk_hw *hw, unsigned long rate,
 	if (!ret)
 		__clk_reparent(hw->clk, new_parent);
 
-	clk_disable(dd->clk_ref);
-	__clk_unprepare(dd->clk_ref);
-	clk_disable(dd->clk_bypass);
-	__clk_unprepare(dd->clk_bypass);
-
 	return 0;
 }
 
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index c2c798c08c2..63b774fb808 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -138,6 +138,8 @@
 #include <linux/spinlock.h>
 #include <linux/slab.h>
 #include <linux/bootmem.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
 
 #include <asm/system_misc.h>
 
@@ -610,8 +612,6 @@ static int _enable_wakeup(struct omap_hwmod *oh, u32 *v)
 
 	/* XXX test pwrdm_get_wken for this hwmod's subsystem */
 
-	oh->_int_flags |= _HWMOD_WAKEUP_ENABLED;
-
 	return 0;
 }
 
@@ -645,8 +645,6 @@ static int _disable_wakeup(struct omap_hwmod *oh, u32 *v)
 
 	/* XXX test pwrdm_get_wken for this hwmod's subsystem */
 
-	oh->_int_flags &= ~_HWMOD_WAKEUP_ENABLED;
-
 	return 0;
 }
 
@@ -2350,6 +2348,34 @@ static int _shutdown(struct omap_hwmod *oh)
 }
 
 /**
+ * of_dev_hwmod_lookup - look up needed hwmod from dt blob
+ * @np: struct device_node *
+ * @oh: struct omap_hwmod *
+ *
+ * Parse the dt blob and find out needed hwmod. Recursive function is
+ * implemented to take care hierarchical dt blob parsing.
+ * Return: The device node on success or NULL on failure.
+ */
+static struct device_node *of_dev_hwmod_lookup(struct device_node *np,
+						struct omap_hwmod *oh)
+{
+	struct device_node *np0 = NULL, *np1 = NULL;
+	const char *p;
+
+	for_each_child_of_node(np, np0) {
+		if (of_find_property(np0, "ti,hwmods", NULL)) {
+			p = of_get_property(np0, "ti,hwmods", NULL);
+			if (!strcmp(p, oh->name))
+				return np0;
+			np1 = of_dev_hwmod_lookup(np0, oh);
+			if (np1)
+				return np1;
+		}
+	}
+	return NULL;
+}
+
+/**
  * _init_mpu_rt_base - populate the virtual address for a hwmod
  * @oh: struct omap_hwmod * to locate the virtual address
  *
@@ -2361,7 +2387,8 @@ static int _shutdown(struct omap_hwmod *oh)
 static void __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data)
 {
 	struct omap_hwmod_addr_space *mem;
-	void __iomem *va_start;
+	void __iomem *va_start = NULL;
+	struct device_node *np;
 
 	if (!oh)
 		return;
@@ -2375,10 +2402,18 @@ static void __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data)
 	if (!mem) {
 		pr_debug("omap_hwmod: %s: no MPU register target found\n",
 			 oh->name);
-		return;
+
+		/* Extract the IO space from device tree blob */
+		if (!of_have_populated_dt())
+			return;
+
+		np = of_dev_hwmod_lookup(of_find_node_by_name(NULL, "ocp"), oh);
+		if (np)
+			va_start = of_iomap(np, 0);
+	} else {
+		va_start = ioremap(mem->pa_start, mem->pa_end - mem->pa_start);
 	}
 
-	va_start = ioremap(mem->pa_start, mem->pa_end - mem->pa_start);
 	if (!va_start) {
 		pr_err("omap_hwmod: %s: Could not ioremap\n", oh->name);
 		return;
@@ -2410,7 +2445,8 @@ static int __init _init(struct omap_hwmod *oh, void *data)
 	if (oh->_state != _HWMOD_STATE_REGISTERED)
 		return 0;
 
-	_init_mpu_rt_base(oh, NULL);
+	if (oh->class->sysc)
+		_init_mpu_rt_base(oh, NULL);
 
 	r = _init_clocks(oh, NULL);
 	if (IS_ERR_VALUE(r)) {
diff --git a/arch/arm/mach-omap2/omap_hwmod.h b/arch/arm/mach-omap2/omap_hwmod.h
index d43d9b608ed..28f4dea0512 100644
--- a/arch/arm/mach-omap2/omap_hwmod.h
+++ b/arch/arm/mach-omap2/omap_hwmod.h
@@ -477,15 +477,13 @@ struct omap_hwmod_omap4_prcm {
  * These are for internal use only and are managed by the omap_hwmod code.
  *
  * _HWMOD_NO_MPU_PORT: no path exists for the MPU to write to this module
- * _HWMOD_WAKEUP_ENABLED: set when the omap_hwmod code has enabled ENAWAKEUP
  * _HWMOD_SYSCONFIG_LOADED: set when the OCP_SYSCONFIG value has been cached
  * _HWMOD_SKIP_ENABLE: set if hwmod enabled during init (HWMOD_INIT_NO_IDLE) -
  *     causes the first call to _enable() to only update the pinmux
  */
 #define _HWMOD_NO_MPU_PORT			(1 << 0)
-#define _HWMOD_WAKEUP_ENABLED			(1 << 1)
-#define _HWMOD_SYSCONFIG_LOADED			(1 << 2)
-#define _HWMOD_SKIP_ENABLE			(1 << 3)
+#define _HWMOD_SYSCONFIG_LOADED			(1 << 1)
+#define _HWMOD_SKIP_ENABLE			(1 << 2)
 
 /*
  * omap_hwmod._state definitions
diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
index 26eee4a556a..31bea1ce3de 100644
--- a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
@@ -28,6 +28,7 @@
 #include "prm-regbits-33xx.h"
 #include "i2c.h"
 #include "mmc.h"
+#include "wd_timer.h"
 
 /*
  * IP blocks
@@ -2087,8 +2088,21 @@ static struct omap_hwmod am33xx_uart6_hwmod = {
 };
 
 /* 'wd_timer' class */
+static struct omap_hwmod_class_sysconfig wdt_sysc = {
+	.rev_offs	= 0x0,
+	.sysc_offs	= 0x10,
+	.syss_offs	= 0x14,
+	.sysc_flags	= (SYSC_HAS_EMUFREE | SYSC_HAS_SIDLEMODE |
+			SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS),
+	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
+			SIDLE_SMART_WKUP),
+	.sysc_fields	= &omap_hwmod_sysc_type1,
+};
+
 static struct omap_hwmod_class am33xx_wd_timer_hwmod_class = {
 	.name		= "wd_timer",
+	.sysc		= &wdt_sysc,
+	.pre_shutdown	= &omap2_wd_timer_disable,
 };
 
 /*
@@ -2099,6 +2113,7 @@ static struct omap_hwmod am33xx_wd_timer1_hwmod = {
 	.name		= "wd_timer2",
 	.class		= &am33xx_wd_timer_hwmod_class,
 	.clkdm_name	= "l4_wkup_clkdm",
+	.flags		= HWMOD_SWSUP_SIDLE,
 	.main_clk	= "wdt1_fck",
 	.prcm		= {
 		.omap4	= {
diff --git a/arch/arm/mach-omap2/pmu.c b/arch/arm/mach-omap2/pmu.c
index 9debf822687..9ace8eae7ee 100644
--- a/arch/arm/mach-omap2/pmu.c
+++ b/arch/arm/mach-omap2/pmu.c
@@ -11,6 +11,8 @@
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  */
+#include <linux/of.h>
+
 #include <asm/pmu.h>
 
 #include "soc.h"
@@ -63,6 +65,15 @@ static int __init omap_init_pmu(void)
 	unsigned oh_num;
 	char **oh_names;
 
+	/* XXX Remove this check when the CTI driver is available */
+	if (cpu_is_omap443x()) {
+		pr_info("ARM PMU: not yet supported on OMAP4430 due to missing CTI driver\n");
+		return 0;
+	}
+
+	if (of_have_populated_dt())
+		return 0;
+
 	/*
 	 * To create an ARM-PMU device the following HWMODs
 	 * are required for the various OMAP2+ devices.
@@ -75,9 +86,6 @@ static int __init omap_init_pmu(void)
 	if (cpu_is_omap443x()) {
 		oh_num = ARRAY_SIZE(omap4430_pmu_oh_names);
 		oh_names = omap4430_pmu_oh_names;
-		/* XXX Remove the next two lines when CTI driver available */
-		pr_info("ARM PMU: not yet supported on OMAP4430 due to missing CTI driver\n");
-		return 0;
 	} else if (cpu_is_omap34xx() || cpu_is_omap44xx()) {
 		oh_num = ARRAY_SIZE(omap3_pmu_oh_names);
 		oh_names = omap3_pmu_oh_names;
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index 8e61d80bf6b..89cad4a605d 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -52,7 +52,6 @@ enum {
 #define ALREADYACTIVE_SWITCH		0
 #define FORCEWAKEUP_SWITCH		1
 #define LOWPOWERSTATE_SWITCH		2
-#define ERROR_SWITCH			3
 
 /* pwrdm_list contains all registered struct powerdomains */
 static LIST_HEAD(pwrdm_list);
@@ -233,10 +232,7 @@ static u8 _pwrdm_save_clkdm_state_and_activate(struct powerdomain *pwrdm,
 {
 	u8 sleep_switch;
 
-	if (curr_pwrst < 0) {
-		WARN_ON(1);
-		sleep_switch = ERROR_SWITCH;
-	} else if (curr_pwrst < PWRDM_POWER_ON) {
+	if (curr_pwrst < PWRDM_POWER_ON) {
 		if (curr_pwrst > pwrst &&
 		    pwrdm->flags & PWRDM_HAS_LOWPOWERSTATECHANGE &&
 		    arch_pwrdm->pwrdm_set_lowpwrstchange) {
@@ -1091,7 +1087,8 @@ int pwrdm_post_transition(struct powerdomain *pwrdm)
  */
 int omap_set_pwrdm_state(struct powerdomain *pwrdm, u8 pwrst)
 {
-	u8 curr_pwrst, next_pwrst, sleep_switch;
+	u8 next_pwrst, sleep_switch;
+	int curr_pwrst;
 	int ret = 0;
 	bool hwsup = false;
 
@@ -1107,16 +1104,17 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u8 pwrst)
 	pwrdm_lock(pwrdm);
 
 	curr_pwrst = pwrdm_read_pwrst(pwrdm);
+	if (curr_pwrst < 0) {
+		ret = -EINVAL;
+		goto osps_out;
+	}
+
 	next_pwrst = pwrdm_read_next_pwrst(pwrdm);
 	if (curr_pwrst == pwrst && next_pwrst == pwrst)
 		goto osps_out;
 
 	sleep_switch = _pwrdm_save_clkdm_state_and_activate(pwrdm, curr_pwrst,
 							    pwrst, &hwsup);
-	if (sleep_switch == ERROR_SWITCH) {
-		ret = -EINVAL;
-		goto osps_out;
-	}
 
 	ret = pwrdm_set_next_pwrst(pwrdm, pwrst);
 	if (ret)
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index 2bdd4cf17a8..14b89afe4af 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -143,7 +143,12 @@ static struct property device_disabled = {
 };
 
 static struct of_device_id omap_timer_match[] __initdata = {
-	{ .compatible = "ti,omap2-timer", },
+	{ .compatible = "ti,omap2420-timer", },
+	{ .compatible = "ti,omap3430-timer", },
+	{ .compatible = "ti,omap4430-timer", },
+	{ .compatible = "ti,omap5430-timer", },
+	{ .compatible = "ti,am335x-timer", },
+	{ .compatible = "ti,am335x-timer-1ms", },
 	{ }
 };
 
diff --git a/arch/arm/mach-omap2/usb-host.c b/arch/arm/mach-omap2/usb-host.c
index 5706bdccf45..aa27d7f5cbb 100644
--- a/arch/arm/mach-omap2/usb-host.c
+++ b/arch/arm/mach-omap2/usb-host.c
@@ -22,8 +22,12 @@
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/dma-mapping.h>
-
-#include <asm/io.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
+#include <linux/string.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <linux/usb/phy.h>
 
 #include "soc.h"
 #include "omap_device.h"
@@ -526,3 +530,155 @@ void __init usbhs_init(struct usbhs_omap_platform_data *pdata)
 }
 
 #endif
+
+/* Template for PHY regulators */
+static struct fixed_voltage_config hsusb_reg_config = {
+	/* .supply_name filled later */
+	.microvolts = 3300000,
+	.gpio = -1,		/* updated later */
+	.startup_delay = 70000, /* 70msec */
+	.enable_high = 1,	/* updated later */
+	.enabled_at_boot = 0,	/* keep in RESET */
+	/* .init_data filled later */
+};
+
+static const char *nop_name = "nop_usb_xceiv"; /* NOP PHY driver */
+static const char *reg_name = "reg-fixed-voltage"; /* Regulator driver */
+
+/**
+ * usbhs_add_regulator - Add a gpio based fixed voltage regulator device
+ * @name: name for the regulator
+ * @dev_id: device id of the device this regulator supplies power to
+ * @dev_supply: supply name that the device expects
+ * @gpio: GPIO number
+ * @polarity: 1 - Active high, 0 - Active low
+ */
+static int usbhs_add_regulator(char *name, char *dev_id, char *dev_supply,
+						int gpio, int polarity)
+{
+	struct regulator_consumer_supply *supplies;
+	struct regulator_init_data *reg_data;
+	struct fixed_voltage_config *config;
+	struct platform_device *pdev;
+	int ret;
+
+	supplies = kzalloc(sizeof(*supplies), GFP_KERNEL);
+	if (!supplies)
+		return -ENOMEM;
+
+	supplies->supply = dev_supply;
+	supplies->dev_name = dev_id;
+
+	reg_data = kzalloc(sizeof(*reg_data), GFP_KERNEL);
+	if (!reg_data)
+		return -ENOMEM;
+
+	reg_data->constraints.valid_ops_mask = REGULATOR_CHANGE_STATUS;
+	reg_data->consumer_supplies = supplies;
+	reg_data->num_consumer_supplies = 1;
+
+	config = kmemdup(&hsusb_reg_config, sizeof(hsusb_reg_config),
+			GFP_KERNEL);
+	if (!config)
+		return -ENOMEM;
+
+	config->supply_name = name;
+	config->gpio = gpio;
+	config->enable_high = polarity;
+	config->init_data = reg_data;
+
+	/* create a regulator device */
+	pdev = kzalloc(sizeof(*pdev), GFP_KERNEL);
+	if (!pdev)
+		return -ENOMEM;
+
+	pdev->id = PLATFORM_DEVID_AUTO;
+	pdev->name = reg_name;
+	pdev->dev.platform_data = config;
+
+	ret = platform_device_register(pdev);
+	if (ret)
+		pr_err("%s: Failed registering regulator %s for %s\n",
+				__func__, name, dev_id);
+
+	return ret;
+}
+
+int usbhs_init_phys(struct usbhs_phy_data *phy, int num_phys)
+{
+	char *rail_name;
+	int i, len;
+	struct platform_device *pdev;
+	char *phy_id;
+
+	/* the phy_id will be something like "nop_usb_xceiv.1" */
+	len = strlen(nop_name) + 3; /* 3 -> ".1" and NULL terminator */
+
+	for (i = 0; i < num_phys; i++) {
+
+		if (!phy->port) {
+			pr_err("%s: Invalid port 0. Must start from 1\n",
+						__func__);
+			continue;
+		}
+
+		/* do we need a NOP PHY device ? */
+		if (!gpio_is_valid(phy->reset_gpio) &&
+			!gpio_is_valid(phy->vcc_gpio))
+			continue;
+
+		/* create a NOP PHY device */
+		pdev = kzalloc(sizeof(*pdev), GFP_KERNEL);
+		if (!pdev)
+			return -ENOMEM;
+
+		pdev->id = phy->port;
+		pdev->name = nop_name;
+		pdev->dev.platform_data = phy->platform_data;
+
+		phy_id = kmalloc(len, GFP_KERNEL);
+		if (!phy_id)
+			return -ENOMEM;
+
+		scnprintf(phy_id, len, "nop_usb_xceiv.%d\n",
+					pdev->id);
+
+		if (platform_device_register(pdev)) {
+			pr_err("%s: Failed to register device %s\n",
+				__func__,  phy_id);
+			continue;
+		}
+
+		usb_bind_phy("ehci-omap.0", phy->port - 1, phy_id);
+
+		/* Do we need RESET regulator ? */
+		if (gpio_is_valid(phy->reset_gpio)) {
+
+			rail_name = kmalloc(13, GFP_KERNEL);
+			if (!rail_name)
+				return -ENOMEM;
+
+			scnprintf(rail_name, 13, "hsusb%d_reset", phy->port);
+
+			usbhs_add_regulator(rail_name, phy_id, "reset",
+						phy->reset_gpio, 1);
+		}
+
+		/* Do we need VCC regulator ? */
+		if (gpio_is_valid(phy->vcc_gpio)) {
+
+			rail_name = kmalloc(13, GFP_KERNEL);
+			if (!rail_name)
+				return -ENOMEM;
+
+			scnprintf(rail_name, 13, "hsusb%d_vcc", phy->port);
+
+			usbhs_add_regulator(rail_name, phy_id, "vcc",
+					phy->vcc_gpio, phy->vcc_polarity);
+		}
+
+		phy++;
+	}
+
+	return 0;
+}
diff --git a/arch/arm/mach-omap2/usb.h b/arch/arm/mach-omap2/usb.h
index 3319f5cf47a..e7261ebcf7b 100644
--- a/arch/arm/mach-omap2/usb.h
+++ b/arch/arm/mach-omap2/usb.h
@@ -53,8 +53,17 @@
 #define USBPHY_OTGSESSEND_EN	(1 << 20)
 #define USBPHY_DATA_POLARITY	(1 << 23)
 
+struct usbhs_phy_data {
+	int port;		/* 1 indexed port number */
+	int reset_gpio;
+	int vcc_gpio;
+	bool vcc_polarity;	/* 1 active high, 0 active low */
+	void *platform_data;
+};
+
 extern void usb_musb_init(struct omap_musb_board_data *board_data);
 extern void usbhs_init(struct usbhs_omap_platform_data *pdata);
+extern int usbhs_init_phys(struct usbhs_phy_data *phy, int num_phys);
 
 extern void am35x_musb_reset(void);
 extern void am35x_musb_phy_power(u8 on);