20 files changed, 280 insertions, 51 deletions

diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index a70bdf28e2bc..07d1b20b1148 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -554,6 +554,7 @@ static void __init omap_sfh7741prox_init(void)
 
 #ifdef CONFIG_OMAP_MUX
 static struct omap_board_mux board_mux[] __initdata = {
+        OMAP4_MUX(USBB2_ULPITLL_CLK, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
         { .reg_offset = OMAP_MUX_TERMINATOR },
 };
 #else
@@ -576,11 +577,12 @@ static void __init omap_4430sdp_init(void)
         omap4_twl6030_hsmmc_init(mmc);
 
         /* Power on the ULPI PHY */
-        if (gpio_is_valid(OMAP4SDP_MDM_PWR_EN_GPIO)) {
-                /* FIXME: Assumes pad is already muxed for GPIO mode */
-                gpio_request(OMAP4SDP_MDM_PWR_EN_GPIO, "USBB1 PHY VMDM_3V3");
+        status = gpio_request(OMAP4SDP_MDM_PWR_EN_GPIO, "USBB1 PHY VMDM_3V3");
+        if (status)
+                pr_err("%s: Could not get USBB1 PHY GPIO\n", __func__);
+        else
                 gpio_direction_output(OMAP4SDP_MDM_PWR_EN_GPIO, 1);
-        }
+
         usb_ehci_init(&ehci_pdata);
         usb_musb_init(&musb_board_data);
 
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
index ebaa230e67ed..3be85a1f55f4 100644
--- a/arch/arm/mach-omap2/board-igep0020.c
+++ b/arch/arm/mach-omap2/board-igep0020.c
@@ -17,6 +17,7 @@
 #include <linux/io.h>
 #include <linux/gpio.h>
 #include <linux/interrupt.h>
+#include <linux/input.h>
 
 #include <linux/regulator/machine.h>
 #include <linux/regulator/fixed.h>
@@ -541,6 +542,37 @@ static struct twl4030_codec_data igep2_codec_data = {
         .audio = &igep2_audio_data,
 };
 
+static int igep2_keymap[] = {
+        KEY(0, 0, KEY_LEFT),
+        KEY(0, 1, KEY_RIGHT),
+        KEY(0, 2, KEY_A),
+        KEY(0, 3, KEY_B),
+        KEY(1, 0, KEY_DOWN),
+        KEY(1, 1, KEY_UP),
+        KEY(1, 2, KEY_E),
+        KEY(1, 3, KEY_F),
+        KEY(2, 0, KEY_ENTER),
+        KEY(2, 1, KEY_I),
+        KEY(2, 2, KEY_J),
+        KEY(2, 3, KEY_K),
+        KEY(3, 0, KEY_M),
+        KEY(3, 1, KEY_N),
+        KEY(3, 2, KEY_O),
+        KEY(3, 3, KEY_P)
+};
+
+static struct matrix_keymap_data igep2_keymap_data = {
+        .keymap                 = igep2_keymap,
+        .keymap_size            = ARRAY_SIZE(igep2_keymap),
+};
+
+static struct twl4030_keypad_data igep2_keypad_pdata = {
+        .keymap_data    = &igep2_keymap_data,
+        .rows           = 4,
+        .cols           = 4,
+        .rep            = 1,
+};
+
 static struct twl4030_platform_data igep2_twldata = {
         .irq_base       = TWL4030_IRQ_BASE,
         .irq_end        = TWL4030_IRQ_END,
@@ -549,6 +581,7 @@ static struct twl4030_platform_data igep2_twldata = {
         .usb            = &igep2_usb_data,
         .codec          = &igep2_codec_data,
         .gpio           = &igep2_twl4030_gpio_pdata,
+        .keypad         = &igep2_keypad_pdata,
         .vmmc1          = &igep2_vmmc1,
         .vpll2          = &igep2_vpll2,
         .vio            = &igep2_vio,
diff --git a/arch/arm/mach-omap2/board-igep0030.c b/arch/arm/mach-omap2/board-igep0030.c
index bcccd68f1856..4dc62a9b9cb2 100644
--- a/arch/arm/mach-omap2/board-igep0030.c
+++ b/arch/arm/mach-omap2/board-igep0030.c
@@ -19,6 +19,7 @@
 #include <linux/interrupt.h>
 
 #include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
 #include <linux/i2c/twl.h>
 #include <linux/mmc/host.h>
 
@@ -43,7 +44,7 @@
 #define IGEP3_GPIO_WIFI_NRESET  139
 #define IGEP3_GPIO_BT_NRESET    137
 
-#define IGEP3_GPIO_USBH_NRESET  115
+#define IGEP3_GPIO_USBH_NRESET  183
 
 
 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
@@ -103,7 +104,7 @@ static struct platform_device igep3_onenand_device = {
         },
 };
 
-void __init igep3_flash_init(void)
+static void __init igep3_flash_init(void)
 {
         u8 cs = 0;
         u8 onenandcs = GPMC_CS_NUM + 1;
@@ -137,12 +138,11 @@ void __init igep3_flash_init(void)
 }
 
 #else
-void __init igep3_flash_init(void) {}
+static void __init igep3_flash_init(void) {}
 #endif
 
-static struct regulator_consumer_supply igep3_vmmc1_supply = {
-        .supply         = "vmmc",
-};
+static struct regulator_consumer_supply igep3_vmmc1_supply =
+        REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.0");
 
 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
 static struct regulator_init_data igep3_vmmc1 = {
@@ -159,6 +159,52 @@ static struct regulator_init_data igep3_vmmc1 = {
         .consumer_supplies      = &igep3_vmmc1_supply,
 };
 
+static struct regulator_consumer_supply igep3_vio_supply =
+        REGULATOR_SUPPLY("vmmc_aux", "mmci-omap-hs.1");
+
+static struct regulator_init_data igep3_vio = {
+        .constraints = {
+                .min_uV                 = 1800000,
+                .max_uV                 = 1800000,
+                .apply_uV               = 1,
+                .valid_modes_mask       = REGULATOR_MODE_NORMAL
+                                        | REGULATOR_MODE_STANDBY,
+                .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
+                                        | REGULATOR_CHANGE_MODE
+                                        | REGULATOR_CHANGE_STATUS,
+        },
+        .num_consumer_supplies  = 1,
+        .consumer_supplies      = &igep3_vio_supply,
+};
+
+static struct regulator_consumer_supply igep3_vmmc2_supply =
+        REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.1");
+
+static struct regulator_init_data igep3_vmmc2 = {
+        .constraints    = {
+                .valid_modes_mask       = REGULATOR_MODE_NORMAL,
+                .always_on              = 1,
+        },
+        .num_consumer_supplies  = 1,
+        .consumer_supplies      = &igep3_vmmc2_supply,
+};
+
+static struct fixed_voltage_config igep3_vwlan = {
+        .supply_name            = "vwlan",
+        .microvolts             = 3300000,
+        .gpio                   = -EINVAL,
+        .enabled_at_boot        = 1,
+        .init_data              = &igep3_vmmc2,
+};
+
+static struct platform_device igep3_vwlan_device = {
+        .name   = "reg-fixed-voltage",
+        .id     = 0,
+        .dev    = {
+                .platform_data = &igep3_vwlan,
+        },
+};
+
 static struct omap2_hsmmc_info mmc[] = {
         [0] = {
                 .mmc            = 1,
@@ -254,12 +300,6 @@ static int igep3_twl4030_gpio_setup(struct device *dev,
         mmc[0].gpio_cd = gpio + 0;
         omap2_hsmmc_init(mmc);
 
-        /*
-         * link regulators to MMC adapters ... we "know" the
-         * regulators will be set up only *after* we return.
-         */
-        igep3_vmmc1_supply.dev = mmc[0].dev;
-
         /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
 #if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
         if ((gpio_request(gpio+TWL4030_GPIO_MAX+1, "gpio-led:green:d1") == 0)
@@ -287,6 +327,10 @@ static struct twl4030_usb_data igep3_twl4030_usb_data = {
         .usb_mode       = T2_USB_MODE_ULPI,
 };
 
+static struct platform_device *igep3_devices[] __initdata = {
+        &igep3_vwlan_device,
+};
+
 static void __init igep3_init_irq(void)
 {
         omap2_init_common_infrastructure();
@@ -303,6 +347,7 @@ static struct twl4030_platform_data igep3_twl4030_pdata = {
         .usb            = &igep3_twl4030_usb_data,
         .gpio           = &igep3_twl4030_gpio_pdata,
         .vmmc1          = &igep3_vmmc1,
+        .vio            = &igep3_vio,
 };
 
 static struct i2c_board_info __initdata igep3_i2c_boardinfo[] = {
@@ -363,8 +408,20 @@ static void __init igep3_wifi_bt_init(void)
 void __init igep3_wifi_bt_init(void) {}
 #endif
 
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+        .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
+        .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
+        .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
+
+        .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
 static struct omap_board_mux board_mux[] __initdata = {
+        OMAP3_MUX(I2C2_SDA, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
         { .reg_offset = OMAP_MUX_TERMINATOR },
 };
 #endif
@@ -375,9 +432,10 @@ static void __init igep3_init(void)
 
         /* Register I2C busses and drivers */
         igep3_i2c_init();
-
+        platform_add_devices(igep3_devices, ARRAY_SIZE(igep3_devices));
         omap_serial_init();
         usb_musb_init(&musb_board_data);
+        usb_ehci_init(&ehci_pdata);
 
         igep3_flash_init();
         igep3_leds_init();
@@ -392,6 +450,7 @@ static void __init igep3_init(void)
 
 MACHINE_START(IGEP0030, "IGEP OMAP3 module")
         .boot_params    = 0x80000100,
+        .reserve        = omap_reserve,
         .map_io         = omap3_map_io,
         .init_irq       = igep3_init_irq,
         .init_machine   = igep3_init,
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index a4fe8e1ee1bd..46d814ab5656 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -207,7 +207,7 @@ static struct omap_dss_device beagle_dvi_device = {
         .driver_name = "generic_dpi_panel",
         .data = &dvi_panel,
         .phy.dpi.data_lines = 24,
-        .reset_gpio = 170,
+        .reset_gpio = -EINVAL,
 };
 
 static struct omap_dss_device beagle_tv_device = {
@@ -279,6 +279,8 @@ static struct gpio_led gpio_leds[];
 static int beagle_twl_gpio_setup(struct device *dev,
                 unsigned gpio, unsigned ngpio)
 {
+        int r;
+
         if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
                 mmc[0].gpio_wp = -EINVAL;
         } else if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C1_3) ||
@@ -299,17 +301,63 @@ static int beagle_twl_gpio_setup(struct device *dev,
         /* REVISIT: need ehci-omap hooks for external VBUS
          * power switch and overcurrent detect
          */
+        if (omap3_beagle_get_rev() != OMAP3BEAGLE_BOARD_XM) {
+                r = gpio_request(gpio + 1, "EHCI_nOC");
+                if (!r) {
+                        r = gpio_direction_input(gpio + 1);
+                        if (r)
+                                gpio_free(gpio + 1);
+                }
+                if (r)
+                        pr_err("%s: unable to configure EHCI_nOC\n", __func__);
+        }
 
-        gpio_request(gpio + 1, "EHCI_nOC");
-        gpio_direction_input(gpio + 1);
-
-        /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
+        /*
+         * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
+         * high / others active low)
+         */
         gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
-        gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
+        if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM)
+                gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1);
+        else
+                gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
+
+        /* DVI reset GPIO is different between beagle revisions */
+        if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM)
+                beagle_dvi_device.reset_gpio = 129;
+        else
+                beagle_dvi_device.reset_gpio = 170;
 
         /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 
+        /*
+         * gpio + 1 on Xm controls the TFP410's enable line (active low)
+         * gpio + 2 control varies depending on the board rev as follows:
+         * P7/P8 revisions(prototype): Camera EN
+         * A2+ revisions (production): LDO (supplies DVI, serial, led blocks)
+         */
+        if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
+                r = gpio_request(gpio + 1, "nDVI_PWR_EN");
+                if (!r) {
+                        r = gpio_direction_output(gpio + 1, 0);
+                        if (r)
+                                gpio_free(gpio + 1);
+                }
+                if (r)
+                        pr_err("%s: unable to configure nDVI_PWR_EN\n",
+                                __func__);
+                r = gpio_request(gpio + 2, "DVI_LDO_EN");
+                if (!r) {
+                        r = gpio_direction_output(gpio + 2, 1);
+                        if (r)
+                                gpio_free(gpio + 2);
+                }
+                if (r)
+                        pr_err("%s: unable to configure DVI_LDO_EN\n",
+                                __func__);
+        }
+
         return 0;
 }
 
diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
index 3094e2007844..e001a048dc0c 100644
--- a/arch/arm/mach-omap2/board-omap4panda.c
+++ b/arch/arm/mach-omap2/board-omap4panda.c
@@ -19,6 +19,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
+#include <linux/clk.h>
 #include <linux/io.h>
 #include <linux/leds.h>
 #include <linux/gpio.h>
@@ -95,7 +96,16 @@ static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 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");
+                goto error1;
+        }
+        clk_set_rate(phy_ref_clk, 19200000);
+        clk_enable(phy_ref_clk);
 
         /* disable the power to the usb hub prior to init */
         ret = gpio_request(GPIO_HUB_POWER, "hub_power");
diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c b/arch/arm/mach-omap2/board-zoom-peripherals.c
index 14d95afa3f0d..e0e040f34c68 100644
--- a/arch/arm/mach-omap2/board-zoom-peripherals.c
+++ b/arch/arm/mach-omap2/board-zoom-peripherals.c
@@ -192,7 +192,7 @@ static struct platform_device omap_vwlan_device = {
         },
 };
 
-struct wl12xx_platform_data omap_zoom_wlan_data __initdata = {
+static struct wl12xx_platform_data omap_zoom_wlan_data __initdata = {
         .irq = OMAP_GPIO_IRQ(OMAP_ZOOM_WLAN_IRQ_GPIO),
         /* ZOOM ref clock is 26 MHz */
         .board_ref_clock = 1,
@@ -286,7 +286,7 @@ static int zoom_twl_gpio_setup(struct device *dev,
 }
 
 /* EXTMUTE callback function */
-void zoom2_set_hs_extmute(int mute)
+static void zoom2_set_hs_extmute(int mute)
 {
         gpio_set_value(ZOOM2_HEADSET_EXTMUTE_GPIO, mute);
 }
diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
index d3ab1c9e50b0..403a4a1d3f9c 100644
--- a/arch/arm/mach-omap2/clock3xxx_data.c
+++ b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -3286,7 +3286,7 @@ static struct omap_clk omap3xxx_clks[] = {
         CLK(NULL,       "cpefuse_fck",  &cpefuse_fck,   CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
         CLK(NULL,       "ts_fck",       &ts_fck,        CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
         CLK(NULL,       "usbtll_fck",   &usbtll_fck,    CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
-        CLK("ehci-omap.0",      "usbtll_fck",   &usbtll_fck,    CK_3430ES2 | CK_AM35XX),
+        CLK("ehci-omap.0",      "usbtll_fck",   &usbtll_fck,    CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
         CLK("omap-mcbsp.1",     "prcm_fck",     &core_96m_fck,  CK_3XXX),
         CLK("omap-mcbsp.5",     "prcm_fck",     &core_96m_fck,  CK_3XXX),
         CLK(NULL,       "core_96m_fck", &core_96m_fck,  CK_3XXX),
diff --git a/arch/arm/mach-omap2/clockdomain.h b/arch/arm/mach-omap2/clockdomain.h
index de3faa20b46b..9b459c26fb85 100644
--- a/arch/arm/mach-omap2/clockdomain.h
+++ b/arch/arm/mach-omap2/clockdomain.h
@@ -103,9 +103,7 @@ struct clockdomain {
                 const char *name;
                 struct powerdomain *ptr;
         } pwrdm;
-#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
         const u16 clktrctrl_mask;
-#endif
         const u8 flags;
         const u8 dep_bit;
         const u8 prcm_partition;
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 381f4eb92352..2c9c912f2c42 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -978,7 +978,7 @@ static int __init omap2_init_devices(void)
 arch_initcall(omap2_init_devices);
 
 #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
-struct omap_device_pm_latency omap_wdt_latency[] = {
+static struct omap_device_pm_latency omap_wdt_latency[] = {
         [0] = {
                 .deactivate_func = omap_device_idle_hwmods,
                 .activate_func   = omap_device_enable_hwmods,
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index 17bd6394d224..df8d2f2872c6 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -893,7 +893,7 @@ static struct omap_mux * __init omap_mux_list_add(
                 return NULL;
 
         m = &entry->mux;
-        memcpy(m, src, sizeof(struct omap_mux_entry));
+        entry->mux = *src;
 
 #ifdef CONFIG_OMAP_MUX
         if (omap_mux_copy_names(src, m)) {
diff --git a/arch/arm/mach-omap2/mux34xx.c b/arch/arm/mach-omap2/mux34xx.c
index 440c98e9a510..17f80e4ab162 100644
--- a/arch/arm/mach-omap2/mux34xx.c
+++ b/arch/arm/mach-omap2/mux34xx.c
@@ -703,7 +703,7 @@ static struct omap_mux __initdata omap3_muxmodes[] = {
  * Signals different on CBC package compared to the superset
  */
 #if defined(CONFIG_OMAP_MUX) && defined(CONFIG_OMAP_PACKAGE_CBC)
-struct omap_mux __initdata omap3_cbc_subset[] = {
+static struct omap_mux __initdata omap3_cbc_subset[] = {
         { .reg_offset = OMAP_MUX_TERMINATOR },
 };
 #else
@@ -721,7 +721,7 @@ struct omap_mux __initdata omap3_cbc_subset[] = {
  */
 #if defined(CONFIG_OMAP_MUX) && defined(CONFIG_DEBUG_FS)        \
                 && defined(CONFIG_OMAP_PACKAGE_CBC)
-struct omap_ball __initdata omap3_cbc_ball[] = {
+static struct omap_ball __initdata omap3_cbc_ball[] = {
         _OMAP3_BALLENTRY(CAM_D0, "ae16", NULL),
         _OMAP3_BALLENTRY(CAM_D1, "ae15", NULL),
         _OMAP3_BALLENTRY(CAM_D10, "d25", NULL),
diff --git a/arch/arm/mach-omap2/mux44xx.c b/arch/arm/mach-omap2/mux44xx.c
index 980f11d45c79..c322e7bdaa17 100644
--- a/arch/arm/mach-omap2/mux44xx.c
+++ b/arch/arm/mach-omap2/mux44xx.c
@@ -544,7 +544,7 @@ static struct omap_mux __initdata omap4_core_muxmodes[] = {
  */
 #if defined(CONFIG_OMAP_MUX) && defined(CONFIG_DEBUG_FS)                \
                 && defined(CONFIG_OMAP_PACKAGE_CBL)
-struct omap_ball __initdata omap4_core_cbl_ball[] = {
+static struct omap_ball __initdata omap4_core_cbl_ball[] = {
         _OMAP4_BALLENTRY(GPMC_AD0, "c12", NULL),
         _OMAP4_BALLENTRY(GPMC_AD1, "d12", NULL),
         _OMAP4_BALLENTRY(GPMC_AD2, "c13", NULL),
@@ -1262,7 +1262,7 @@ static struct omap_mux __initdata omap4_es2_core_muxmodes[] = {
  */
 #if defined(CONFIG_OMAP_MUX) && defined(CONFIG_DEBUG_FS)                \
                 && defined(CONFIG_OMAP_PACKAGE_CBS)
-struct omap_ball __initdata omap4_core_cbs_ball[] = {
+static struct omap_ball __initdata omap4_core_cbs_ball[] = {
         _OMAP4_BALLENTRY(GPMC_AD0, "c12", NULL),
         _OMAP4_BALLENTRY(GPMC_AD1, "d12", NULL),
         _OMAP4_BALLENTRY(GPMC_AD2, "c13", NULL),
@@ -1546,7 +1546,7 @@ static struct omap_mux __initdata omap4_wkup_muxmodes[] = {
  */
 #if defined(CONFIG_OMAP_MUX) && defined(CONFIG_DEBUG_FS)                \
                 && defined(CONFIG_OMAP_PACKAGE_CBL)
-struct omap_ball __initdata omap4_wkup_cbl_cbs_ball[] = {
+static struct omap_ball __initdata omap4_wkup_cbl_cbs_ball[] = {
         _OMAP4_BALLENTRY(SIM_IO, "h4", NULL),
         _OMAP4_BALLENTRY(SIM_CLK, "j2", NULL),
         _OMAP4_BALLENTRY(SIM_RESET, "g2", NULL),
diff --git a/arch/arm/mach-omap2/omap_twl.c b/arch/arm/mach-omap2/omap_twl.c
index 15f8c6c1bb0f..00e1d2b53683 100644
--- a/arch/arm/mach-omap2/omap_twl.c
+++ b/arch/arm/mach-omap2/omap_twl.c
@@ -20,6 +20,8 @@
 
 #include <plat/voltage.h>
 
+#include "pm.h"
+
 #define OMAP3_SRI2C_SLAVE_ADDR          0x12
 #define OMAP3_VDD_MPU_SR_CONTROL_REG    0x00
 #define OMAP3_VDD_CORE_SR_CONTROL_REG   0x01
@@ -60,17 +62,17 @@ static u8 smps_offset;
 
 #define REG_SMPS_OFFSET         0xE0
 
-unsigned long twl4030_vsel_to_uv(const u8 vsel)
+static unsigned long twl4030_vsel_to_uv(const u8 vsel)
 {
         return (((vsel * 125) + 6000)) * 100;
 }
 
-u8 twl4030_uv_to_vsel(unsigned long uv)
+static u8 twl4030_uv_to_vsel(unsigned long uv)
 {
         return DIV_ROUND_UP(uv - 600000, 12500);
 }
 
-unsigned long twl6030_vsel_to_uv(const u8 vsel)
+static unsigned long twl6030_vsel_to_uv(const u8 vsel)
 {
         /*
          * In TWL6030 depending on the value of SMPS_OFFSET
@@ -102,7 +104,7 @@ unsigned long twl6030_vsel_to_uv(const u8 vsel)
                 return ((((vsel - 1) * 125) + 6000)) * 100;
 }
 
-u8 twl6030_uv_to_vsel(unsigned long uv)
+static u8 twl6030_uv_to_vsel(unsigned long uv)
 {
         /*
          * In TWL6030 depending on the value of SMPS_OFFSET
diff --git a/arch/arm/mach-omap2/pm_bus.c b/arch/arm/mach-omap2/pm_bus.c
index 784989f8f2f5..5acd2ab298b1 100644
--- a/arch/arm/mach-omap2/pm_bus.c
+++ b/arch/arm/mach-omap2/pm_bus.c
@@ -20,7 +20,7 @@
 #include <plat/omap-pm.h>
 
 #ifdef CONFIG_PM_RUNTIME
-int omap_pm_runtime_suspend(struct device *dev)
+static int omap_pm_runtime_suspend(struct device *dev)
 {
         struct platform_device *pdev = to_platform_device(dev);
         int r, ret = 0;
@@ -37,7 +37,7 @@ int omap_pm_runtime_suspend(struct device *dev)
         return ret;
 };
 
-int omap_pm_runtime_resume(struct device *dev)
+static int omap_pm_runtime_resume(struct device *dev)
 {
         struct platform_device *pdev = to_platform_device(dev);
         int r;
diff --git a/arch/arm/mach-omap2/prm2xxx_3xxx.h b/arch/arm/mach-omap2/prm2xxx_3xxx.h
index 53d44f6e3736..49654c8d18f5 100644
--- a/arch/arm/mach-omap2/prm2xxx_3xxx.h
+++ b/arch/arm/mach-omap2/prm2xxx_3xxx.h
@@ -228,7 +228,67 @@
 
 
 #ifndef __ASSEMBLER__
-
+/*
+ * Stub omap2xxx/omap3xxx functions so that common files
+ * continue to build when custom builds are used
+ */
+#if defined(CONFIG_ARCH_OMAP4) && !(defined(CONFIG_ARCH_OMAP2) ||       \
+                                        defined(CONFIG_ARCH_OMAP3))
+static inline u32 omap2_prm_read_mod_reg(s16 module, u16 idx)
+{
+        WARN(1, "prm: omap2xxx/omap3xxx specific function and "
+                "not suppose to be used on omap4\n");
+        return 0;
+}
+static inline void omap2_prm_write_mod_reg(u32 val, s16 module, u16 idx)
+{
+        WARN(1, "prm: omap2xxx/omap3xxx specific function and "
+                "not suppose to be used on omap4\n");
+}
+static inline u32 omap2_prm_rmw_mod_reg_bits(u32 mask, u32 bits,
+                s16 module, s16 idx)
+{
+        WARN(1, "prm: omap2xxx/omap3xxx specific function and "
+                "not suppose to be used on omap4\n");
+        return 0;
+}
+static inline u32 omap2_prm_set_mod_reg_bits(u32 bits, s16 module, s16 idx)
+{
+        WARN(1, "prm: omap2xxx/omap3xxx specific function and "
+                "not suppose to be used on omap4\n");
+        return 0;
+}
+static inline u32 omap2_prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
+{
+        WARN(1, "prm: omap2xxx/omap3xxx specific function and "
+                "not suppose to be used on omap4\n");
+        return 0;
+}
+static inline u32 omap2_prm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask)
+{
+        WARN(1, "prm: omap2xxx/omap3xxx specific function and "
+                "not suppose to be used on omap4\n");
+        return 0;
+}
+static inline int omap2_prm_is_hardreset_asserted(s16 prm_mod, u8 shift)
+{
+        WARN(1, "prm: omap2xxx/omap3xxx specific function and "
+                "not suppose to be used on omap4\n");
+        return 0;
+}
+static inline int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift)
+{
+        WARN(1, "prm: omap2xxx/omap3xxx specific function and "
+                "not suppose to be used on omap4\n");
+        return 0;
+}
+static inline int omap2_prm_deassert_hardreset(s16 prm_mod, u8 shift)
+{
+        WARN(1, "prm: omap2xxx/omap3xxx specific function and "
+                "not suppose to be used on omap4\n");
+        return 0;
+}
+#else
 /* Power/reset management domain register get/set */
 extern u32 omap2_prm_read_mod_reg(s16 module, u16 idx);
 extern void omap2_prm_write_mod_reg(u32 val, s16 module, u16 idx);
@@ -242,6 +302,7 @@ extern int omap2_prm_is_hardreset_asserted(s16 prm_mod, u8 shift);
 extern int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift);
 extern int omap2_prm_deassert_hardreset(s16 prm_mod, u8 shift);
 
+#endif  /* CONFIG_ARCH_OMAP4 */
 #endif
 
 /*
diff --git a/arch/arm/mach-omap2/sr_device.c b/arch/arm/mach-omap2/sr_device.c
index 786d685c09a9..b1e0af18a26a 100644
--- a/arch/arm/mach-omap2/sr_device.c
+++ b/arch/arm/mach-omap2/sr_device.c
@@ -27,6 +27,7 @@
 #include <plat/voltage.h>
 
 #include "control.h"
+#include "pm.h"
 
 static bool sr_enable_on_init;
 
diff --git a/arch/arm/mach-omap2/wd_timer.c b/arch/arm/mach-omap2/wd_timer.c
index b0c4907ab3ca..4067669d96c4 100644
--- a/arch/arm/mach-omap2/wd_timer.c
+++ b/arch/arm/mach-omap2/wd_timer.c
@@ -13,6 +13,8 @@
 
 #include <plat/omap_hwmod.h>
 
+#include "wd_timer.h"
+
 /*
  * In order to avoid any assumptions from bootloader regarding WDT
  * settings, WDT module is reset during init. This enables the watchdog
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index fcc1e628e050..9d30c6f804b9 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -644,7 +644,7 @@ config ARM_THUMBEE
 
 config SWP_EMULATE
         bool "Emulate SWP/SWPB instructions"
-        depends on CPU_V7
+        depends on CPU_V7 && !CPU_V6
         select HAVE_PROC_CPU if PROC_FS
         default y if SMP
         help
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 1f98e0b94847..ccf2660f4151 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -718,7 +718,7 @@ static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger)
         case METHOD_GPIO_24XX:
         case METHOD_GPIO_44XX:
                 set_24xx_gpio_triggering(bank, gpio, trigger);
-                break;
+                return 0;
 #endif
         default:
                 goto bad;
@@ -756,8 +756,10 @@ static int gpio_irq_type(unsigned irq, unsigned type)
         spin_lock_irqsave(&bank->lock, flags);
         retval = _set_gpio_triggering(bank, get_gpio_index(gpio), type);
         if (retval == 0) {
-                irq_desc[irq].status &= ~IRQ_TYPE_SENSE_MASK;
-                irq_desc[irq].status |= type;
+                struct irq_desc *d = irq_to_desc(irq);
+
+                d->status &= ~IRQ_TYPE_SENSE_MASK;
+                d->status |= type;
         }
         spin_unlock_irqrestore(&bank->lock, flags);
 
@@ -1671,7 +1673,9 @@ static void __init omap_gpio_chip_init(struct gpio_bank *bank)
 
         for (j = bank->virtual_irq_start;
                      j < bank->virtual_irq_start + bank_width; j++) {
-                lockdep_set_class(&irq_desc[j].lock, &gpio_lock_class);
+                struct irq_desc *d = irq_to_desc(j);
+
+                lockdep_set_class(&d->lock, &gpio_lock_class);
                 set_irq_chip_data(j, bank);
                 if (bank_is_mpuio(bank))
                         set_irq_chip(j, &mpuio_irq_chip);
diff --git a/arch/arm/plat-omap/include/plat/voltage.h b/arch/arm/plat-omap/include/plat/voltage.h
index 0ff123399f3b..5bd204e55c32 100644
--- a/arch/arm/plat-omap/include/plat/voltage.h
+++ b/arch/arm/plat-omap/include/plat/voltage.h
@@ -14,6 +14,8 @@
 #ifndef __ARCH_ARM_MACH_OMAP2_VOLTAGE_H
 #define __ARCH_ARM_MACH_OMAP2_VOLTAGE_H
 
+#include <linux/err.h>
+
 #define VOLTSCALE_VPFORCEUPDATE         1
 #define VOLTSCALE_VCBYPASS              2
 
@@ -65,9 +67,6 @@ struct voltagedomain {
         char *name;
 };
 
-/* API to get the voltagedomain pointer */
-struct voltagedomain *omap_voltage_domain_lookup(char *name);
-
 /**
  * struct omap_volt_data - Omap voltage specific data.
  * @voltage_nominal:    The possible voltage value in uV
@@ -131,16 +130,26 @@ int omap_voltage_register_pmic(struct voltagedomain *voltdm,
                 struct omap_volt_pmic_info *pmic_info);
 void omap_change_voltscale_method(struct voltagedomain *voltdm,
                 int voltscale_method);
+/* API to get the voltagedomain pointer */
+struct voltagedomain *omap_voltage_domain_lookup(char *name);
+
 int omap_voltage_late_init(void);
 #else
 static inline int omap_voltage_register_pmic(struct voltagedomain *voltdm,
-                struct omap_volt_pmic_info *pmic_info) {}
+                struct omap_volt_pmic_info *pmic_info)
+{
+        return -EINVAL;
+}
 static inline  void omap_change_voltscale_method(struct voltagedomain *voltdm,
                 int voltscale_method) {}
 static inline int omap_voltage_late_init(void)
 {
         return -EINVAL;
 }
+static inline struct voltagedomain *omap_voltage_domain_lookup(char *name)
+{
+        return ERR_PTR(-EINVAL);
+}
 #endif
 
 #endif