Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (278 commits)
  arm: remove machine_desc.io_pg_offst and .phys_io
  arm: use addruart macro to establish debug mappings
  arm: return both physical and virtual addresses from addruart
  arm/debug: consolidate addruart macros for CONFIG_DEBUG_ICEDCC
  ARM: make struct machine_desc definition coherent with its comment
  eukrea_mbimxsd-baseboard: Pass the correct GPIO to gpio_free
  cpuimx27: fix compile when ULPI is selected
  mach-pcm037_eet: fix compile errors
  Fixing ethernet driver compilation error for i.MX31 ADS board
  cpuimx51: update board support
  mx5: add cpuimx51sd module and its baseboard
  iomux-mx51: fix GPIO_1_xx 's IOMUX configuration
  imx-esdhc: update devices registration
  mx51: add resources for SD/MMC on i.MX51
  iomux-mx51: fix SD1 and SD2's iomux configuration
  clock-mx51: rename CLOCK1 to CLOCK_CCGR for better readability
  clock-mx51: factorize clk_set_parent and clk_get_rate
  eukrea_mbimxsd: add support for DVI displays
  cpuimx25 & cpuimx35: fix OTG port registration in host mode
  i.MX31 and i.MX35 : fix errate TLSbo65953 and ENGcm09472
  ...

17 files changed, 965 insertions, 99 deletions

diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index d31590e7011b..2737b9752205 100644
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -298,7 +298,7 @@ int amba_device_register(struct amba_device *dev, struct resource *parent)
 
                 amba_put_disable_pclk(dev);
 
-                if (cid == 0xb105f00d)
+                if (cid == AMBA_CID)
                         dev->periphid = pid;
 
                 if (!dev->periphid)
diff --git a/drivers/gpio/tc35892-gpio.c b/drivers/gpio/tc35892-gpio.c
index 1be6288780de..7e10c935a047 100644
--- a/drivers/gpio/tc35892-gpio.c
+++ b/drivers/gpio/tc35892-gpio.c
@@ -322,6 +322,9 @@ static int __devinit tc35892_gpio_probe(struct platform_device *pdev)
                 goto out_freeirq;
         }
 
+        if (pdata->setup)
+                pdata->setup(tc35892, tc35892_gpio->chip.base);
+
         platform_set_drvdata(pdev, tc35892_gpio);
 
         return 0;
@@ -338,9 +341,14 @@ out_free:
 static int __devexit tc35892_gpio_remove(struct platform_device *pdev)
 {
         struct tc35892_gpio *tc35892_gpio = platform_get_drvdata(pdev);
+        struct tc35892 *tc35892 = tc35892_gpio->tc35892;
+        struct tc35892_gpio_platform_data *pdata = tc35892->pdata->gpio;
         int irq = platform_get_irq(pdev, 0);
         int ret;
 
+        if (pdata->remove)
+                pdata->remove(tc35892, tc35892_gpio->chip.base);
+
         ret = gpiochip_remove(&tc35892_gpio->chip);
         if (ret < 0) {
                 dev_err(tc35892_gpio->dev,
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 9cc488d21490..aa037fec2f86 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -338,7 +338,7 @@ config KEYBOARD_OPENCORES
 
 config KEYBOARD_PXA27x
         tristate "PXA27x/PXA3xx keypad support"
-        depends on PXA27x || PXA3xx
+        depends on PXA27x || PXA3xx || ARCH_MMP
         help
           Enable support for PXA27x/PXA3xx keypad controller.
 
diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index f32404f99189..4b0ec35259a1 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -32,7 +32,7 @@
 #include <asm/mach/map.h>
 
 #include <mach/hardware.h>
-#include <mach/pxa27x_keypad.h>
+#include <plat/pxa27x_keypad.h>
 /*
  * Keypad Controller registers
  */
@@ -330,11 +330,21 @@ static void pxa27x_keypad_scan_direct(struct pxa27x_keypad *keypad)
         keypad->direct_key_state = new_state;
 }
 
+static void clear_wakeup_event(struct pxa27x_keypad *keypad)
+{
+        struct pxa27x_keypad_platform_data *pdata = keypad->pdata;
+
+        if (pdata->clear_wakeup_event)
+                (pdata->clear_wakeup_event)();
+}
+
 static irqreturn_t pxa27x_keypad_irq_handler(int irq, void *dev_id)
 {
         struct pxa27x_keypad *keypad = dev_id;
         unsigned long kpc = keypad_readl(KPC);
 
+        clear_wakeup_event(keypad);
+
         if (kpc & KPC_DI)
                 pxa27x_keypad_scan_direct(keypad);
 
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index e4112622e5a2..cc2a88d5192f 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -304,13 +304,22 @@ config LEDS_MC13783
 
 config LEDS_NS2
         tristate "LED support for Network Space v2 GPIO LEDs"
-        depends on MACH_NETSPACE_V2 || MACH_INETSPACE_V2 || MACH_NETSPACE_MAX_V2
+        depends on MACH_NETSPACE_V2 || MACH_INETSPACE_V2 || MACH_NETSPACE_MAX_V2 || D2NET_V2
         default y
         help
           This option enable support for the dual-GPIO LED found on the
           Network Space v2 board (and parents). This include Internet Space v2,
           Network Space (Max) v2 and d2 Network v2 boards.
 
+config LEDS_NETXBIG
+        tristate "LED support for Big Network series LEDs"
+        depends on MACH_NET2BIG_V2 || MACH_NET5BIG_V2
+        default y
+        help
+          This option enable support for LEDs found on the LaCie 2Big
+          and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
+          controlled through a GPIO extension bus.
+
 config LEDS_TRIGGERS
         bool "LED Trigger support"
         help
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index 7d6b95831f8e..9c96db40ef6d 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -38,6 +38,7 @@ obj-$(CONFIG_LEDS_ADP5520)		+= leds-adp5520.o
 obj-$(CONFIG_LEDS_DELL_NETBOOKS)        += dell-led.o
 obj-$(CONFIG_LEDS_MC13783)              += leds-mc13783.o
 obj-$(CONFIG_LEDS_NS2)                  += leds-ns2.o
+obj-$(CONFIG_LEDS_NETXBIG)              += leds-netxbig.o
 
 # LED SPI Drivers
 obj-$(CONFIG_LEDS_DAC124S085)           += leds-dac124s085.o
diff --git a/drivers/leds/leds-netxbig.c b/drivers/leds/leds-netxbig.c
new file mode 100644
index 000000000000..f2e51c134399
--- /dev/null
+++ b/drivers/leds/leds-netxbig.c
@@ -0,0 +1,449 @@
+/*
+ * leds-netxbig.c - Driver for the 2Big and 5Big Network series LEDs
+ *
+ * Copyright (C) 2010 LaCie
+ *
+ * Author: Simon Guinot <sguinot@lacie.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+#include <mach/leds-netxbig.h>
+
+/*
+ * GPIO extension bus.
+ */
+
+static DEFINE_SPINLOCK(gpio_ext_lock);
+
+static void gpio_ext_set_addr(struct netxbig_gpio_ext *gpio_ext, int addr)
+{
+        int pin;
+
+        for (pin = 0; pin < gpio_ext->num_addr; pin++)
+                gpio_set_value(gpio_ext->addr[pin], (addr >> pin) & 1);
+}
+
+static void gpio_ext_set_data(struct netxbig_gpio_ext *gpio_ext, int data)
+{
+        int pin;
+
+        for (pin = 0; pin < gpio_ext->num_data; pin++)
+                gpio_set_value(gpio_ext->data[pin], (data >> pin) & 1);
+}
+
+static void gpio_ext_enable_select(struct netxbig_gpio_ext *gpio_ext)
+{
+        /* Enable select is done on the raising edge. */
+        gpio_set_value(gpio_ext->enable, 0);
+        gpio_set_value(gpio_ext->enable, 1);
+}
+
+static void gpio_ext_set_value(struct netxbig_gpio_ext *gpio_ext,
+                               int addr, int value)
+{
+        unsigned long flags;
+
+        spin_lock_irqsave(&gpio_ext_lock, flags);
+        gpio_ext_set_addr(gpio_ext, addr);
+        gpio_ext_set_data(gpio_ext, value);
+        gpio_ext_enable_select(gpio_ext);
+        spin_unlock_irqrestore(&gpio_ext_lock, flags);
+}
+
+static int __devinit gpio_ext_init(struct netxbig_gpio_ext *gpio_ext)
+{
+        int err;
+        int i;
+
+        if (unlikely(!gpio_ext))
+                return -EINVAL;
+
+        /* Configure address GPIOs. */
+        for (i = 0; i < gpio_ext->num_addr; i++) {
+                err = gpio_request(gpio_ext->addr[i], "GPIO extension addr");
+                if (err)
+                        goto err_free_addr;
+                err = gpio_direction_output(gpio_ext->addr[i], 0);
+                if (err) {
+                        gpio_free(gpio_ext->addr[i]);
+                        goto err_free_addr;
+                }
+        }
+        /* Configure data GPIOs. */
+        for (i = 0; i < gpio_ext->num_data; i++) {
+                err = gpio_request(gpio_ext->data[i], "GPIO extension data");
+                if (err)
+                        goto err_free_data;
+                err = gpio_direction_output(gpio_ext->data[i], 0);
+                if (err) {
+                        gpio_free(gpio_ext->data[i]);
+                        goto err_free_data;
+                }
+        }
+        /* Configure "enable select" GPIO. */
+        err = gpio_request(gpio_ext->enable, "GPIO extension enable");
+        if (err)
+                goto err_free_data;
+        err = gpio_direction_output(gpio_ext->enable, 0);
+        if (err) {
+                gpio_free(gpio_ext->enable);
+                goto err_free_data;
+        }
+
+        return 0;
+
+err_free_data:
+        for (i = i - 1; i >= 0; i--)
+                gpio_free(gpio_ext->data[i]);
+        i = gpio_ext->num_addr;
+err_free_addr:
+        for (i = i - 1; i >= 0; i--)
+                gpio_free(gpio_ext->addr[i]);
+
+        return err;
+}
+
+static void __devexit gpio_ext_free(struct netxbig_gpio_ext *gpio_ext)
+{
+        int i;
+
+        gpio_free(gpio_ext->enable);
+        for (i = gpio_ext->num_addr - 1; i >= 0; i--)
+                gpio_free(gpio_ext->addr[i]);
+        for (i = gpio_ext->num_data - 1; i >= 0; i--)
+                gpio_free(gpio_ext->data[i]);
+}
+
+/*
+ * Class LED driver.
+ */
+
+struct netxbig_led_data {
+        struct netxbig_gpio_ext *gpio_ext;
+        struct led_classdev     cdev;
+        int                     mode_addr;
+        int                     *mode_val;
+        int                     bright_addr;
+        int                     bright_max;
+        struct                  netxbig_led_timer *timer;
+        int                     num_timer;
+        enum netxbig_led_mode   mode;
+        int                     sata;
+        spinlock_t              lock;
+};
+
+static int netxbig_led_get_timer_mode(enum netxbig_led_mode *mode,
+                                      unsigned long delay_on,
+                                      unsigned long delay_off,
+                                      struct netxbig_led_timer *timer,
+                                      int num_timer)
+{
+        int i;
+
+        for (i = 0; i < num_timer; i++) {
+                if (timer[i].delay_on == delay_on &&
+                    timer[i].delay_off == delay_off) {
+                        *mode = timer[i].mode;
+                        return 0;
+                }
+        }
+        return -EINVAL;
+}
+
+static int netxbig_led_blink_set(struct led_classdev *led_cdev,
+                                 unsigned long *delay_on,
+                                 unsigned long *delay_off)
+{
+        struct netxbig_led_data *led_dat =
+                container_of(led_cdev, struct netxbig_led_data, cdev);
+        enum netxbig_led_mode mode;
+        int mode_val;
+        int ret;
+
+        /* Look for a LED mode with the requested timer frequency. */
+        ret = netxbig_led_get_timer_mode(&mode, *delay_on, *delay_off,
+                                         led_dat->timer, led_dat->num_timer);
+        if (ret < 0)
+                return ret;
+
+        mode_val = led_dat->mode_val[mode];
+        if (mode_val == NETXBIG_LED_INVALID_MODE)
+                return -EINVAL;
+
+        spin_lock_irq(&led_dat->lock);
+
+        gpio_ext_set_value(led_dat->gpio_ext, led_dat->mode_addr, mode_val);
+        led_dat->mode = mode;
+
+        spin_unlock_irq(&led_dat->lock);
+
+        return 0;
+}
+
+static void netxbig_led_set(struct led_classdev *led_cdev,
+                            enum led_brightness value)
+{
+        struct netxbig_led_data *led_dat =
+                container_of(led_cdev, struct netxbig_led_data, cdev);
+        enum netxbig_led_mode mode;
+        int mode_val, bright_val;
+        int set_brightness = 1;
+        unsigned long flags;
+
+        spin_lock_irqsave(&led_dat->lock, flags);
+
+        if (value == LED_OFF) {
+                mode = NETXBIG_LED_OFF;
+                set_brightness = 0;
+        } else {
+                if (led_dat->sata)
+                        mode = NETXBIG_LED_SATA;
+                else if (led_dat->mode == NETXBIG_LED_OFF)
+                        mode = NETXBIG_LED_ON;
+                else /* Keep 'timer' mode. */
+                        mode = led_dat->mode;
+        }
+        mode_val = led_dat->mode_val[mode];
+
+        gpio_ext_set_value(led_dat->gpio_ext, led_dat->mode_addr, mode_val);
+        led_dat->mode = mode;
+        /*
+         * Note that the brightness register is shared between all the
+         * SATA LEDs. So, change the brightness setting for a single
+         * SATA LED will affect all the others.
+         */
+        if (set_brightness) {
+                bright_val = DIV_ROUND_UP(value * led_dat->bright_max,
+                                          LED_FULL);
+                gpio_ext_set_value(led_dat->gpio_ext,
+                                   led_dat->bright_addr, bright_val);
+        }
+
+        spin_unlock_irqrestore(&led_dat->lock, flags);
+}
+
+static ssize_t netxbig_led_sata_store(struct device *dev,
+                                      struct device_attribute *attr,
+                                      const char *buff, size_t count)
+{
+        struct led_classdev *led_cdev = dev_get_drvdata(dev);
+        struct netxbig_led_data *led_dat =
+                container_of(led_cdev, struct netxbig_led_data, cdev);
+        unsigned long enable;
+        enum netxbig_led_mode mode;
+        int mode_val;
+        int ret;
+
+        ret = strict_strtoul(buff, 10, &enable);
+        if (ret < 0)
+                return ret;
+
+        enable = !!enable;
+
+        spin_lock_irq(&led_dat->lock);
+
+        if (led_dat->sata == enable) {
+                ret = count;
+                goto exit_unlock;
+        }
+
+        if (led_dat->mode != NETXBIG_LED_ON &&
+            led_dat->mode != NETXBIG_LED_SATA)
+                mode = led_dat->mode; /* Keep modes 'off' and 'timer'. */
+        else if (enable)
+                mode = NETXBIG_LED_SATA;
+        else
+                mode = NETXBIG_LED_ON;
+
+        mode_val = led_dat->mode_val[mode];
+        if (mode_val == NETXBIG_LED_INVALID_MODE) {
+                ret = -EINVAL;
+                goto exit_unlock;
+        }
+
+        gpio_ext_set_value(led_dat->gpio_ext, led_dat->mode_addr, mode_val);
+        led_dat->mode = mode;
+        led_dat->sata = enable;
+
+        ret = count;
+
+exit_unlock:
+        spin_unlock_irq(&led_dat->lock);
+
+        return ret;
+}
+
+static ssize_t netxbig_led_sata_show(struct device *dev,
+                                     struct device_attribute *attr, char *buf)
+{
+        struct led_classdev *led_cdev = dev_get_drvdata(dev);
+        struct netxbig_led_data *led_dat =
+                container_of(led_cdev, struct netxbig_led_data, cdev);
+
+        return sprintf(buf, "%d\n", led_dat->sata);
+}
+
+static DEVICE_ATTR(sata, 0644, netxbig_led_sata_show, netxbig_led_sata_store);
+
+static void __devexit delete_netxbig_led(struct netxbig_led_data *led_dat)
+{
+        if (led_dat->mode_val[NETXBIG_LED_SATA] != NETXBIG_LED_INVALID_MODE)
+                device_remove_file(led_dat->cdev.dev, &dev_attr_sata);
+        led_classdev_unregister(&led_dat->cdev);
+}
+
+static int __devinit
+create_netxbig_led(struct platform_device *pdev,
+                   struct netxbig_led_data *led_dat,
+                   const struct netxbig_led *template)
+{
+        struct netxbig_led_platform_data *pdata = pdev->dev.platform_data;
+        int ret;
+
+        spin_lock_init(&led_dat->lock);
+        led_dat->gpio_ext = pdata->gpio_ext;
+        led_dat->cdev.name = template->name;
+        led_dat->cdev.default_trigger = template->default_trigger;
+        led_dat->cdev.blink_set = netxbig_led_blink_set;
+        led_dat->cdev.brightness_set = netxbig_led_set;
+        /*
+         * Because the GPIO extension bus don't allow to read registers
+         * value, there is no way to probe the LED initial state.
+         * So, the initial sysfs LED value for the "brightness" and "sata"
+         * attributes are inconsistent.
+         *
+         * Note that the initial LED state can't be reconfigured.
+         * The reason is that the LED behaviour must stay uniform during
+         * the whole boot process (bootloader+linux).
+         */
+        led_dat->sata = 0;
+        led_dat->cdev.brightness = LED_OFF;
+        led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME;
+        led_dat->mode_addr = template->mode_addr;
+        led_dat->mode_val = template->mode_val;
+        led_dat->bright_addr = template->bright_addr;
+        led_dat->bright_max = (1 << pdata->gpio_ext->num_data) - 1;
+        led_dat->timer = pdata->timer;
+        led_dat->num_timer = pdata->num_timer;
+
+        ret = led_classdev_register(&pdev->dev, &led_dat->cdev);
+        if (ret < 0)
+                return ret;
+
+        /*
+         * If available, expose the SATA activity blink capability through
+         * a "sata" sysfs attribute.
+         */
+        if (led_dat->mode_val[NETXBIG_LED_SATA] != NETXBIG_LED_INVALID_MODE) {
+                ret = device_create_file(led_dat->cdev.dev, &dev_attr_sata);
+                if (ret)
+                        led_classdev_unregister(&led_dat->cdev);
+        }
+
+        return ret;
+}
+
+static int __devinit netxbig_led_probe(struct platform_device *pdev)
+{
+        struct netxbig_led_platform_data *pdata = pdev->dev.platform_data;
+        struct netxbig_led_data *leds_data;
+        int i;
+        int ret;
+
+        if (!pdata)
+                return -EINVAL;
+
+        leds_data = kzalloc(sizeof(struct netxbig_led_data) * pdata->num_leds,
+                            GFP_KERNEL);
+        if (!leds_data)
+                return -ENOMEM;
+
+        ret = gpio_ext_init(pdata->gpio_ext);
+        if (ret < 0)
+                goto err_free_data;
+
+        for (i = 0; i < pdata->num_leds; i++) {
+                ret = create_netxbig_led(pdev, &leds_data[i], &pdata->leds[i]);
+                if (ret < 0)
+                        goto err_free_leds;
+        }
+
+        platform_set_drvdata(pdev, leds_data);
+
+        return 0;
+
+err_free_leds:
+        for (i = i - 1; i >= 0; i--)
+                delete_netxbig_led(&leds_data[i]);
+
+        gpio_ext_free(pdata->gpio_ext);
+err_free_data:
+        kfree(leds_data);
+
+        return ret;
+}
+
+static int __devexit netxbig_led_remove(struct platform_device *pdev)
+{
+        struct netxbig_led_platform_data *pdata = pdev->dev.platform_data;
+        struct netxbig_led_data *leds_data;
+        int i;
+
+        leds_data = platform_get_drvdata(pdev);
+
+        for (i = 0; i < pdata->num_leds; i++)
+                delete_netxbig_led(&leds_data[i]);
+
+        gpio_ext_free(pdata->gpio_ext);
+        kfree(leds_data);
+
+        return 0;
+}
+
+static struct platform_driver netxbig_led_driver = {
+        .probe          = netxbig_led_probe,
+        .remove         = __devexit_p(netxbig_led_remove),
+        .driver         = {
+                .name   = "leds-netxbig",
+                .owner  = THIS_MODULE,
+        },
+};
+MODULE_ALIAS("platform:leds-netxbig");
+
+static int __init netxbig_led_init(void)
+{
+        return platform_driver_register(&netxbig_led_driver);
+}
+
+static void __exit netxbig_led_exit(void)
+{
+        platform_driver_unregister(&netxbig_led_driver);
+}
+
+module_init(netxbig_led_init);
+module_exit(netxbig_led_exit);
+
+MODULE_AUTHOR("Simon Guinot <sguinot@lacie.com>");
+MODULE_DESCRIPTION("LED driver for LaCie xBig Network boards");
+MODULE_LICENSE("GPL");
diff --git a/drivers/leds/leds-ns2.c b/drivers/leds/leds-ns2.c
index 350eb34f049c..f77d48d0b3e4 100644
--- a/drivers/leds/leds-ns2.c
+++ b/drivers/leds/leds-ns2.c
@@ -141,10 +141,12 @@ static ssize_t ns2_led_sata_store(struct device *dev,
                                   struct device_attribute *attr,
                                   const char *buff, size_t count)
 {
+        struct led_classdev *led_cdev = dev_get_drvdata(dev);
+        struct ns2_led_data *led_dat =
+                container_of(led_cdev, struct ns2_led_data, cdev);
         int ret;
         unsigned long enable;
         enum ns2_led_modes mode;
-        struct ns2_led_data *led_dat = dev_get_drvdata(dev);
 
         ret = strict_strtoul(buff, 10, &enable);
         if (ret < 0)
@@ -172,7 +174,9 @@ static ssize_t ns2_led_sata_store(struct device *dev,
 static ssize_t ns2_led_sata_show(struct device *dev,
                                  struct device_attribute *attr, char *buf)
 {
-        struct ns2_led_data *led_dat = dev_get_drvdata(dev);
+        struct led_classdev *led_cdev = dev_get_drvdata(dev);
+        struct ns2_led_data *led_dat =
+                container_of(led_cdev, struct ns2_led_data, cdev);
 
         return sprintf(buf, "%d\n", led_dat->sata);
 }
@@ -234,7 +238,6 @@ create_ns2_led(struct platform_device *pdev, struct ns2_led_data *led_dat,
         if (ret < 0)
                 goto err_free_slow;
 
-        dev_set_drvdata(led_dat->cdev.dev, led_dat);
         ret = device_create_file(led_dat->cdev.dev, &dev_attr_sata);
         if (ret < 0)
                 goto err_free_cdev;
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 840b301b5671..f2e02d7d9f3d 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -41,23 +41,35 @@ static unsigned int fmax = 515633;
  * @clkreg: default value for MCICLOCK register
  * @clkreg_enable: enable value for MMCICLOCK register
  * @datalength_bits: number of bits in the MMCIDATALENGTH register
+ * @fifosize: number of bytes that can be written when MMCI_TXFIFOEMPTY
+ *            is asserted (likewise for RX)
+ * @fifohalfsize: number of bytes that can be written when MCI_TXFIFOHALFEMPTY
+ *                is asserted (likewise for RX)
  */
 struct variant_data {
         unsigned int            clkreg;
         unsigned int            clkreg_enable;
         unsigned int            datalength_bits;
+        unsigned int            fifosize;
+        unsigned int            fifohalfsize;
 };
 
 static struct variant_data variant_arm = {
+        .fifosize               = 16 * 4,
+        .fifohalfsize           = 8 * 4,
         .datalength_bits        = 16,
 };
 
 static struct variant_data variant_u300 = {
+        .fifosize               = 16 * 4,
+        .fifohalfsize           = 8 * 4,
         .clkreg_enable          = 1 << 13, /* HWFCEN */
         .datalength_bits        = 16,
 };
 
 static struct variant_data variant_ux500 = {
+        .fifosize               = 30 * 4,
+        .fifohalfsize           = 8 * 4,
         .clkreg                 = MCI_CLK_ENABLE,
         .clkreg_enable          = 1 << 14, /* HWFCEN */
         .datalength_bits        = 24,
@@ -138,6 +150,7 @@ static void mmci_init_sg(struct mmci_host *host, struct mmc_data *data)
 
 static void mmci_start_data(struct mmci_host *host, struct mmc_data *data)
 {
+        struct variant_data *variant = host->variant;
         unsigned int datactrl, timeout, irqmask;
         unsigned long long clks;
         void __iomem *base;
@@ -173,7 +186,7 @@ static void mmci_start_data(struct mmci_host *host, struct mmc_data *data)
                  * If we have less than a FIFOSIZE of bytes to transfer,
                  * trigger a PIO interrupt as soon as any data is available.
                  */
-                if (host->size < MCI_FIFOSIZE)
+                if (host->size < variant->fifosize)
                         irqmask |= MCI_RXDATAAVLBLMASK;
         } else {
                 /*
@@ -332,13 +345,15 @@ static int mmci_pio_read(struct mmci_host *host, char *buffer, unsigned int rema
 
 static int mmci_pio_write(struct mmci_host *host, char *buffer, unsigned int remain, u32 status)
 {
+        struct variant_data *variant = host->variant;
         void __iomem *base = host->base;
         char *ptr = buffer;
 
         do {
                 unsigned int count, maxcnt;
 
-                maxcnt = status & MCI_TXFIFOEMPTY ? MCI_FIFOSIZE : MCI_FIFOHALFSIZE;
+                maxcnt = status & MCI_TXFIFOEMPTY ?
+                         variant->fifosize : variant->fifohalfsize;
                 count = min(remain, maxcnt);
 
                 writesl(base + MMCIFIFO, ptr, count >> 2);
@@ -362,6 +377,7 @@ static irqreturn_t mmci_pio_irq(int irq, void *dev_id)
 {
         struct mmci_host *host = dev_id;
         struct sg_mapping_iter *sg_miter = &host->sg_miter;
+        struct variant_data *variant = host->variant;
         void __iomem *base = host->base;
         unsigned long flags;
         u32 status;
@@ -420,7 +436,7 @@ static irqreturn_t mmci_pio_irq(int irq, void *dev_id)
          * If we're nearing the end of the read, switch to
          * "any data available" mode.
          */
-        if (status & MCI_RXACTIVE && host->size < MCI_FIFOSIZE)
+        if (status & MCI_RXACTIVE && host->size < variant->fifosize)
                 writel(MCI_RXDATAAVLBLMASK, base + MMCIMASK1);
 
         /*
@@ -564,18 +580,23 @@ static int mmci_get_ro(struct mmc_host *mmc)
         if (host->gpio_wp == -ENOSYS)
                 return -ENOSYS;
 
-        return gpio_get_value(host->gpio_wp);
+        return gpio_get_value_cansleep(host->gpio_wp);
 }
 
 static int mmci_get_cd(struct mmc_host *mmc)
 {
         struct mmci_host *host = mmc_priv(mmc);
+        struct mmci_platform_data *plat = host->plat;
         unsigned int status;
 
-        if (host->gpio_cd == -ENOSYS)
-                status = host->plat->status(mmc_dev(host->mmc));
-        else
-                status = !gpio_get_value(host->gpio_cd);
+        if (host->gpio_cd == -ENOSYS) {
+                if (!plat->status)
+                        return 1; /* Assume always present */
+
+                status = plat->status(mmc_dev(host->mmc));
+        } else
+                status = !!gpio_get_value_cansleep(host->gpio_cd)
+                        ^ plat->cd_invert;
 
         /*
          * Use positive logic throughout - status is zero for no card,
@@ -584,6 +605,15 @@ static int mmci_get_cd(struct mmc_host *mmc)
         return status;
 }
 
+static irqreturn_t mmci_cd_irq(int irq, void *dev_id)
+{
+        struct mmci_host *host = dev_id;
+
+        mmc_detect_change(host->mmc, msecs_to_jiffies(500));
+
+        return IRQ_HANDLED;
+}
+
 static const struct mmc_host_ops mmci_ops = {
         .request        = mmci_request,
         .set_ios        = mmci_set_ios,
@@ -620,6 +650,7 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
 
         host->gpio_wp = -ENOSYS;
         host->gpio_cd = -ENOSYS;
+        host->gpio_cd_irq = -1;
 
         host->hw_designer = amba_manf(dev);
         host->hw_revision = amba_rev(dev);
@@ -699,7 +730,6 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
         if (host->vcc == NULL)
                 mmc->ocr_avail = plat->ocr_mask;
         mmc->caps = plat->capabilities;
-        mmc->caps |= MMC_CAP_NEEDS_POLL;
 
         /*
          * We can do SGIO
@@ -744,6 +774,12 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
                         host->gpio_cd = plat->gpio_cd;
                 else if (ret != -ENOSYS)
                         goto err_gpio_cd;
+
+                ret = request_any_context_irq(gpio_to_irq(plat->gpio_cd),
+                                              mmci_cd_irq, 0,
+                                              DRIVER_NAME " (cd)", host);
+                if (ret >= 0)
+                        host->gpio_cd_irq = gpio_to_irq(plat->gpio_cd);
         }
         if (gpio_is_valid(plat->gpio_wp)) {
                 ret = gpio_request(plat->gpio_wp, DRIVER_NAME " (wp)");
@@ -755,6 +791,10 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
                         goto err_gpio_wp;
         }
 
+        if ((host->plat->status || host->gpio_cd != -ENOSYS)
+            && host->gpio_cd_irq < 0)
+                mmc->caps |= MMC_CAP_NEEDS_POLL;
+
         ret = request_irq(dev->irq[0], mmci_irq, IRQF_SHARED, DRIVER_NAME " (cmd)", host);
         if (ret)
                 goto unmap;
@@ -781,6 +821,8 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
         if (host->gpio_wp != -ENOSYS)
                 gpio_free(host->gpio_wp);
  err_gpio_wp:
+        if (host->gpio_cd_irq >= 0)
+                free_irq(host->gpio_cd_irq, host);
         if (host->gpio_cd != -ENOSYS)
                 gpio_free(host->gpio_cd);
  err_gpio_cd:
@@ -819,6 +861,8 @@ static int __devexit mmci_remove(struct amba_device *dev)
 
                 if (host->gpio_wp != -ENOSYS)
                         gpio_free(host->gpio_wp);
+                if (host->gpio_cd_irq >= 0)
+                        free_irq(host->gpio_cd_irq, host);
                 if (host->gpio_cd != -ENOSYS)
                         gpio_free(host->gpio_cd);
 
diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h
index 68970cfb81e1..4ae887fc0189 100644
--- a/drivers/mmc/host/mmci.h
+++ b/drivers/mmc/host/mmci.h
@@ -54,10 +54,16 @@
 #define MCI_DPSM_MODE           (1 << 2)
 #define MCI_DPSM_DMAENABLE      (1 << 3)
 #define MCI_DPSM_BLOCKSIZE      (1 << 4)
-#define MCI_DPSM_RWSTART        (1 << 8)
-#define MCI_DPSM_RWSTOP         (1 << 9)
-#define MCI_DPSM_RWMOD          (1 << 10)
-#define MCI_DPSM_SDIOEN         (1 << 11)
+/* Control register extensions in the ST Micro U300 and Ux500 versions */
+#define MCI_ST_DPSM_RWSTART     (1 << 8)
+#define MCI_ST_DPSM_RWSTOP      (1 << 9)
+#define MCI_ST_DPSM_RWMOD       (1 << 10)
+#define MCI_ST_DPSM_SDIOEN      (1 << 11)
+/* Control register extensions in the ST Micro Ux500 versions */
+#define MCI_ST_DPSM_DMAREQCTL   (1 << 12)
+#define MCI_ST_DPSM_DBOOTMODEEN (1 << 13)
+#define MCI_ST_DPSM_BUSYMODE    (1 << 14)
+#define MCI_ST_DPSM_DDRMODE     (1 << 15)
 
 #define MMCIDATACNT             0x030
 #define MMCISTATUS              0x034
@@ -133,13 +139,6 @@
         MCI_DATATIMEOUTMASK|MCI_TXUNDERRUNMASK|MCI_RXOVERRUNMASK|       \
         MCI_CMDRESPENDMASK|MCI_CMDSENTMASK|MCI_DATABLOCKENDMASK)
 
-/*
- * The size of the FIFO in bytes.
- */
-#define MCI_FIFOSIZE    (16*4)
-        
-#define MCI_FIFOHALFSIZE (MCI_FIFOSIZE / 2)
-
 #define NR_SG           16
 
 struct clk;
@@ -154,6 +153,7 @@ struct mmci_host {
         struct clk              *clk;
         int                     gpio_cd;
         int                     gpio_wp;
+        int                     gpio_cd_irq;
 
         unsigned int            data_xfered;
 
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 5db667c0b371..77efe462b921 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2,6 +2,9 @@
 # Network device configuration
 #
 
+config HAVE_NET_MACB
+        bool
+
 menuconfig NETDEVICES
         default y if UML
         depends on NET
@@ -221,7 +224,7 @@ config MII
 
 config MACB
         tristate "Atmel MACB support"
-        depends on AVR32 || ARCH_AT91SAM9260 || ARCH_AT91SAM9263 || ARCH_AT91SAM9G20 || ARCH_AT91SAM9G45 || ARCH_AT91CAP9
+        depends on HAVE_NET_MACB
         select PHYLIB
         help
           The Atmel MACB ethernet interface is found on many AT32 and AT91
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 12900f7083b0..3198c5335f0b 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -458,6 +458,7 @@ config SERIAL_SAMSUNG_UARTS
         int
         depends on ARM && PLAT_SAMSUNG
         default 2 if ARCH_S3C2400
+        default 6 if ARCH_S5P6450
         default 4 if SERIAL_SAMSUNG_UARTS_4
         default 3
         help
@@ -526,12 +527,12 @@ config SERIAL_S3C24A0
           Serial port support for the Samsung S3C24A0 SoC
 
 config SERIAL_S3C6400
-        tristate "Samsung S3C6400/S3C6410/S5P6440/S5PC100 Serial port support"
-        depends on SERIAL_SAMSUNG && (CPU_S3C6400 || CPU_S3C6410 || CPU_S5P6440 || CPU_S5PC100)
+        tristate "Samsung S3C6400/S3C6410/S5P6440/S5P6450/S5PC100 Serial port support"
+        depends on SERIAL_SAMSUNG && (CPU_S3C6400 || CPU_S3C6410 || CPU_S5P6440 || CPU_S5P6450 || CPU_S5PC100)
         select SERIAL_SAMSUNG_UARTS_4
         default y
         help
-          Serial port support for the Samsung S3C6400, S3C6410, S5P6440
+          Serial port support for the Samsung S3C6400, S3C6410, S5P6440, S5P6450
           and S5PC100 SoCs
 
 config SERIAL_S5PV210
diff --git a/drivers/serial/samsung.c b/drivers/serial/samsung.c
index b1156ba8ad14..7ac2bf5167cd 100644
--- a/drivers/serial/samsung.c
+++ b/drivers/serial/samsung.c
@@ -1101,7 +1101,7 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport,
         dbg("resource %p (%lx..%lx)\n", res, res->start, res->end);
 
         port->mapbase = res->start;
-        port->membase = S3C_VA_UART + res->start - (S3C_PA_UART & 0xfff00000);
+        port->membase = S3C_VA_UART + (res->start & 0xfffff);
         ret = platform_get_irq(platdev, 0);
         if (ret < 0)
                 port->irq = 0;
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 9949c252c23d..4b9eec68fad6 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -143,10 +143,26 @@ config SPI_GPIO
           GPIO operations, you should be able to leverage that for better
           speed with a custom version of this driver; see the source code.
 
+config SPI_IMX_VER_IMX1
+        def_bool y if SOC_IMX1
+
+config SPI_IMX_VER_0_0
+        def_bool y if SOC_IMX21 || SOC_IMX27
+
+config SPI_IMX_VER_0_4
+        def_bool y if ARCH_MX31
+
+config SPI_IMX_VER_0_7
+        def_bool y if ARCH_MX25 || ARCH_MX35 || ARCH_MX51
+
+config SPI_IMX_VER_2_3
+        def_bool y if ARCH_MX51
+
 config SPI_IMX
         tristate "Freescale i.MX SPI controllers"
         depends on ARCH_MXC
         select SPI_BITBANG
+        default m if IMX_HAVE_PLATFORM_SPI_IMX
         help
           This enables using the Freescale i.MX SPI controllers in master
           mode.
diff --git a/drivers/spi/spi_imx.c b/drivers/spi/spi_imx.c
index 7972e9077473..55a38e2c6c13 100644
--- a/drivers/spi/spi_imx.c
+++ b/drivers/spi/spi_imx.c
@@ -56,7 +56,28 @@ struct spi_imx_config {
         unsigned int speed_hz;
         unsigned int bpw;
         unsigned int mode;
-        int cs;
+        u8 cs;
+};
+
+enum spi_imx_devtype {
+        SPI_IMX_VER_IMX1,
+        SPI_IMX_VER_0_0,
+        SPI_IMX_VER_0_4,
+        SPI_IMX_VER_0_5,
+        SPI_IMX_VER_0_7,
+        SPI_IMX_VER_2_3,
+        SPI_IMX_VER_AUTODETECT,
+};
+
+struct spi_imx_data;
+
+struct spi_imx_devtype_data {
+        void (*intctrl)(struct spi_imx_data *, int);
+        int (*config)(struct spi_imx_data *, struct spi_imx_config *);
+        void (*trigger)(struct spi_imx_data *);
+        int (*rx_available)(struct spi_imx_data *);
+        void (*reset)(struct spi_imx_data *);
+        unsigned int fifosize;
 };
 
 struct spi_imx_data {
@@ -76,11 +97,7 @@ struct spi_imx_data {
         const void *tx_buf;
         unsigned int txfifo; /* number of words pushed in tx FIFO */
 
-        /* SoC specific functions */
-        void (*intctrl)(struct spi_imx_data *, int);
-        int (*config)(struct spi_imx_data *, struct spi_imx_config *);
-        void (*trigger)(struct spi_imx_data *);
-        int (*rx_available)(struct spi_imx_data *);
+        struct spi_imx_devtype_data devtype_data;
 };
 
 #define MXC_SPI_BUF_RX(type)                                            \
@@ -140,7 +157,7 @@ static unsigned int spi_imx_clkdiv_1(unsigned int fin,
         return max;
 }
 
-/* MX1, MX31, MX35 */
+/* MX1, MX31, MX35, MX51 CSPI */
 static unsigned int spi_imx_clkdiv_2(unsigned int fin,
                 unsigned int fspi)
 {
@@ -155,6 +172,128 @@ static unsigned int spi_imx_clkdiv_2(unsigned int fin,
         return 7;
 }
 
+#define SPI_IMX2_3_CTRL         0x08
+#define SPI_IMX2_3_CTRL_ENABLE          (1 <<  0)
+#define SPI_IMX2_3_CTRL_XCH             (1 <<  2)
+#define SPI_IMX2_3_CTRL_MODE(cs)        (1 << ((cs) +  4))
+#define SPI_IMX2_3_CTRL_POSTDIV_OFFSET  8
+#define SPI_IMX2_3_CTRL_PREDIV_OFFSET   12
+#define SPI_IMX2_3_CTRL_CS(cs)          ((cs) << 18)
+#define SPI_IMX2_3_CTRL_BL_OFFSET       20
+
+#define SPI_IMX2_3_CONFIG       0x0c
+#define SPI_IMX2_3_CONFIG_SCLKPHA(cs)   (1 << ((cs) +  0))
+#define SPI_IMX2_3_CONFIG_SCLKPOL(cs)   (1 << ((cs) +  4))
+#define SPI_IMX2_3_CONFIG_SBBCTRL(cs)   (1 << ((cs) +  8))
+#define SPI_IMX2_3_CONFIG_SSBPOL(cs)    (1 << ((cs) + 12))
+
+#define SPI_IMX2_3_INT          0x10
+#define SPI_IMX2_3_INT_TEEN             (1 <<  0)
+#define SPI_IMX2_3_INT_RREN             (1 <<  3)
+
+#define SPI_IMX2_3_STAT         0x18
+#define SPI_IMX2_3_STAT_RR              (1 <<  3)
+
+/* MX51 eCSPI */
+static unsigned int spi_imx2_3_clkdiv(unsigned int fin, unsigned int fspi)
+{
+        /*
+         * there are two 4-bit dividers, the pre-divider divides by
+         * $pre, the post-divider by 2^$post
+         */
+        unsigned int pre, post;
+
+        if (unlikely(fspi > fin))
+                return 0;
+
+        post = fls(fin) - fls(fspi);
+        if (fin > fspi << post)
+                post++;
+
+        /* now we have: (fin <= fspi << post) with post being minimal */
+
+        post = max(4U, post) - 4;
+        if (unlikely(post > 0xf)) {
+                pr_err("%s: cannot set clock freq: %u (base freq: %u)\n",
+                                __func__, fspi, fin);
+                return 0xff;
+        }
+
+        pre = DIV_ROUND_UP(fin, fspi << post) - 1;
+
+        pr_debug("%s: fin: %u, fspi: %u, post: %u, pre: %u\n",
+                        __func__, fin, fspi, post, pre);
+        return (pre << SPI_IMX2_3_CTRL_PREDIV_OFFSET) |
+                (post << SPI_IMX2_3_CTRL_POSTDIV_OFFSET);
+}
+
+static void __maybe_unused spi_imx2_3_intctrl(struct spi_imx_data *spi_imx, int enable)
+{
+        unsigned val = 0;
+
+        if (enable & MXC_INT_TE)
+                val |= SPI_IMX2_3_INT_TEEN;
+
+        if (enable & MXC_INT_RR)
+                val |= SPI_IMX2_3_INT_RREN;
+
+        writel(val, spi_imx->base + SPI_IMX2_3_INT);
+}
+
+static void __maybe_unused spi_imx2_3_trigger(struct spi_imx_data *spi_imx)
+{
+        u32 reg;
+
+        reg = readl(spi_imx->base + SPI_IMX2_3_CTRL);
+        reg |= SPI_IMX2_3_CTRL_XCH;
+        writel(reg, spi_imx->base + SPI_IMX2_3_CTRL);
+}
+
+static int __maybe_unused spi_imx2_3_config(struct spi_imx_data *spi_imx,
+                struct spi_imx_config *config)
+{
+        u32 ctrl = SPI_IMX2_3_CTRL_ENABLE, cfg = 0;
+
+        /* set master mode */
+        ctrl |= SPI_IMX2_3_CTRL_MODE(config->cs);
+
+        /* set clock speed */
+        ctrl |= spi_imx2_3_clkdiv(spi_imx->spi_clk, config->speed_hz);
+
+        /* set chip select to use */
+        ctrl |= SPI_IMX2_3_CTRL_CS(config->cs);
+
+        ctrl |= (config->bpw - 1) << SPI_IMX2_3_CTRL_BL_OFFSET;
+
+        cfg |= SPI_IMX2_3_CONFIG_SBBCTRL(config->cs);
+
+        if (config->mode & SPI_CPHA)
+                cfg |= SPI_IMX2_3_CONFIG_SCLKPHA(config->cs);
+
+        if (config->mode & SPI_CPOL)
+                cfg |= SPI_IMX2_3_CONFIG_SCLKPOL(config->cs);
+
+        if (config->mode & SPI_CS_HIGH)
+                cfg |= SPI_IMX2_3_CONFIG_SSBPOL(config->cs);
+
+        writel(ctrl, spi_imx->base + SPI_IMX2_3_CTRL);
+        writel(cfg, spi_imx->base + SPI_IMX2_3_CONFIG);
+
+        return 0;
+}
+
+static int __maybe_unused spi_imx2_3_rx_available(struct spi_imx_data *spi_imx)
+{
+        return readl(spi_imx->base + SPI_IMX2_3_STAT) & SPI_IMX2_3_STAT_RR;
+}
+
+static void __maybe_unused spi_imx2_3_reset(struct spi_imx_data *spi_imx)
+{
+        /* drain receive buffer */
+        while (spi_imx2_3_rx_available(spi_imx))
+                readl(spi_imx->base + MXC_CSPIRXDATA);
+}
+
 #define MX31_INTREG_TEEN        (1 << 0)
 #define MX31_INTREG_RREN        (1 << 3)
 
@@ -178,7 +317,7 @@ static unsigned int spi_imx_clkdiv_2(unsigned int fin,
  * the i.MX35 has a slightly different register layout for bits
  * we do not use here.
  */
-static void mx31_intctrl(struct spi_imx_data *spi_imx, int enable)
+static void __maybe_unused mx31_intctrl(struct spi_imx_data *spi_imx, int enable)
 {
         unsigned int val = 0;
 
@@ -190,7 +329,7 @@ static void mx31_intctrl(struct spi_imx_data *spi_imx, int enable)
         writel(val, spi_imx->base + MXC_CSPIINT);
 }
 
-static void mx31_trigger(struct spi_imx_data *spi_imx)
+static void __maybe_unused mx31_trigger(struct spi_imx_data *spi_imx)
 {
         unsigned int reg;
 
@@ -199,20 +338,16 @@ static void mx31_trigger(struct spi_imx_data *spi_imx)
         writel(reg, spi_imx->base + MXC_CSPICTRL);
 }
 
-static int mx31_config(struct spi_imx_data *spi_imx,
+static int __maybe_unused spi_imx0_4_config(struct spi_imx_data *spi_imx,
                 struct spi_imx_config *config)
 {
         unsigned int reg = MX31_CSPICTRL_ENABLE | MX31_CSPICTRL_MASTER;
+        int cs = spi_imx->chipselect[config->cs];
 
         reg |= spi_imx_clkdiv_2(spi_imx->spi_clk, config->speed_hz) <<
                 MX31_CSPICTRL_DR_SHIFT;
 
-        if (cpu_is_mx31())
-                reg |= (config->bpw - 1) << MX31_CSPICTRL_BC_SHIFT;
-        else if (cpu_is_mx25() || cpu_is_mx35()) {
-                reg |= (config->bpw - 1) << MX35_CSPICTRL_BL_SHIFT;
-                reg |= MX31_CSPICTRL_SSCTL;
-        }
+        reg |= (config->bpw - 1) << MX31_CSPICTRL_BC_SHIFT;
 
         if (config->mode & SPI_CPHA)
                 reg |= MX31_CSPICTRL_PHA;
@@ -220,23 +355,52 @@ static int mx31_config(struct spi_imx_data *spi_imx,
                 reg |= MX31_CSPICTRL_POL;
         if (config->mode & SPI_CS_HIGH)
                 reg |= MX31_CSPICTRL_SSPOL;
-        if (config->cs < 0) {
-                if (cpu_is_mx31())
-                        reg |= (config->cs + 32) << MX31_CSPICTRL_CS_SHIFT;
-                else if (cpu_is_mx25() || cpu_is_mx35())
-                        reg |= (config->cs + 32) << MX35_CSPICTRL_CS_SHIFT;
-        }
+        if (cs < 0)
+                reg |= (cs + 32) << MX31_CSPICTRL_CS_SHIFT;
+
+        writel(reg, spi_imx->base + MXC_CSPICTRL);
+
+        return 0;
+}
+
+static int __maybe_unused spi_imx0_7_config(struct spi_imx_data *spi_imx,
+                struct spi_imx_config *config)
+{
+        unsigned int reg = MX31_CSPICTRL_ENABLE | MX31_CSPICTRL_MASTER;
+        int cs = spi_imx->chipselect[config->cs];
+
+        reg |= spi_imx_clkdiv_2(spi_imx->spi_clk, config->speed_hz) <<
+                MX31_CSPICTRL_DR_SHIFT;
+
+        reg |= (config->bpw - 1) << MX35_CSPICTRL_BL_SHIFT;
+        reg |= MX31_CSPICTRL_SSCTL;
+
+        if (config->mode & SPI_CPHA)
+                reg |= MX31_CSPICTRL_PHA;
+        if (config->mode & SPI_CPOL)
+                reg |= MX31_CSPICTRL_POL;
+        if (config->mode & SPI_CS_HIGH)
+                reg |= MX31_CSPICTRL_SSPOL;
+        if (cs < 0)
+                reg |= (cs + 32) << MX35_CSPICTRL_CS_SHIFT;
 
         writel(reg, spi_imx->base + MXC_CSPICTRL);
 
         return 0;
 }
 
-static int mx31_rx_available(struct spi_imx_data *spi_imx)
+static int __maybe_unused mx31_rx_available(struct spi_imx_data *spi_imx)
 {
         return readl(spi_imx->base + MX31_CSPISTATUS) & MX31_STATUS_RR;
 }
 
+static void __maybe_unused spi_imx0_4_reset(struct spi_imx_data *spi_imx)
+{
+        /* drain receive buffer */
+        while (readl(spi_imx->base + MX3_CSPISTAT) & MX3_CSPISTAT_RR)
+                readl(spi_imx->base + MXC_CSPIRXDATA);
+}
+
 #define MX27_INTREG_RR          (1 << 4)
 #define MX27_INTREG_TEEN        (1 << 9)
 #define MX27_INTREG_RREN        (1 << 13)
@@ -250,7 +414,7 @@ static int mx31_rx_available(struct spi_imx_data *spi_imx)
 #define MX27_CSPICTRL_DR_SHIFT  14
 #define MX27_CSPICTRL_CS_SHIFT  19
 
-static void mx27_intctrl(struct spi_imx_data *spi_imx, int enable)
+static void __maybe_unused mx27_intctrl(struct spi_imx_data *spi_imx, int enable)
 {
         unsigned int val = 0;
 
@@ -262,7 +426,7 @@ static void mx27_intctrl(struct spi_imx_data *spi_imx, int enable)
         writel(val, spi_imx->base + MXC_CSPIINT);
 }
 
-static void mx27_trigger(struct spi_imx_data *spi_imx)
+static void __maybe_unused mx27_trigger(struct spi_imx_data *spi_imx)
 {
         unsigned int reg;
 
@@ -271,10 +435,11 @@ static void mx27_trigger(struct spi_imx_data *spi_imx)
         writel(reg, spi_imx->base + MXC_CSPICTRL);
 }
 
-static int mx27_config(struct spi_imx_data *spi_imx,
+static int __maybe_unused mx27_config(struct spi_imx_data *spi_imx,
                 struct spi_imx_config *config)
 {
         unsigned int reg = MX27_CSPICTRL_ENABLE | MX27_CSPICTRL_MASTER;
+        int cs = spi_imx->chipselect[config->cs];
 
         reg |= spi_imx_clkdiv_1(spi_imx->spi_clk, config->speed_hz) <<
                 MX27_CSPICTRL_DR_SHIFT;
@@ -286,19 +451,24 @@ static int mx27_config(struct spi_imx_data *spi_imx,
                 reg |= MX27_CSPICTRL_POL;
         if (config->mode & SPI_CS_HIGH)
                 reg |= MX27_CSPICTRL_SSPOL;
-        if (config->cs < 0)
-                reg |= (config->cs + 32) << MX27_CSPICTRL_CS_SHIFT;
+        if (cs < 0)
+                reg |= (cs + 32) << MX27_CSPICTRL_CS_SHIFT;
 
         writel(reg, spi_imx->base + MXC_CSPICTRL);
 
         return 0;
 }
 
-static int mx27_rx_available(struct spi_imx_data *spi_imx)
+static int __maybe_unused mx27_rx_available(struct spi_imx_data *spi_imx)
 {
         return readl(spi_imx->base + MXC_CSPIINT) & MX27_INTREG_RR;
 }
 
+static void __maybe_unused spi_imx0_0_reset(struct spi_imx_data *spi_imx)
+{
+        writel(1, spi_imx->base + MXC_RESET);
+}
+
 #define MX1_INTREG_RR           (1 << 3)
 #define MX1_INTREG_TEEN         (1 << 8)
 #define MX1_INTREG_RREN         (1 << 11)
@@ -310,7 +480,7 @@ static int mx27_rx_available(struct spi_imx_data *spi_imx)
 #define MX1_CSPICTRL_MASTER     (1 << 10)
 #define MX1_CSPICTRL_DR_SHIFT   13
 
-static void mx1_intctrl(struct spi_imx_data *spi_imx, int enable)
+static void __maybe_unused mx1_intctrl(struct spi_imx_data *spi_imx, int enable)
 {
         unsigned int val = 0;
 
@@ -322,7 +492,7 @@ static void mx1_intctrl(struct spi_imx_data *spi_imx, int enable)
         writel(val, spi_imx->base + MXC_CSPIINT);
 }
 
-static void mx1_trigger(struct spi_imx_data *spi_imx)
+static void __maybe_unused mx1_trigger(struct spi_imx_data *spi_imx)
 {
         unsigned int reg;
 
@@ -331,7 +501,7 @@ static void mx1_trigger(struct spi_imx_data *spi_imx)
         writel(reg, spi_imx->base + MXC_CSPICTRL);
 }
 
-static int mx1_config(struct spi_imx_data *spi_imx,
+static int __maybe_unused mx1_config(struct spi_imx_data *spi_imx,
                 struct spi_imx_config *config)
 {
         unsigned int reg = MX1_CSPICTRL_ENABLE | MX1_CSPICTRL_MASTER;
@@ -350,11 +520,73 @@ static int mx1_config(struct spi_imx_data *spi_imx,
         return 0;
 }
 
-static int mx1_rx_available(struct spi_imx_data *spi_imx)
+static int __maybe_unused mx1_rx_available(struct spi_imx_data *spi_imx)
 {
         return readl(spi_imx->base + MXC_CSPIINT) & MX1_INTREG_RR;
 }
 
+static void __maybe_unused mx1_reset(struct spi_imx_data *spi_imx)
+{
+        writel(1, spi_imx->base + MXC_RESET);
+}
+
+/*
+ * These version numbers are taken from the Freescale driver.  Unfortunately it
+ * doesn't support i.MX1, so this entry doesn't match the scheme. :-(
+ */
+static struct spi_imx_devtype_data spi_imx_devtype_data[] __devinitdata = {
+#ifdef CONFIG_SPI_IMX_VER_IMX1
+        [SPI_IMX_VER_IMX1] = {
+                .intctrl = mx1_intctrl,
+                .config = mx1_config,
+                .trigger = mx1_trigger,
+                .rx_available = mx1_rx_available,
+                .reset = mx1_reset,
+                .fifosize = 8,
+        },
+#endif
+#ifdef CONFIG_SPI_IMX_VER_0_0
+        [SPI_IMX_VER_0_0] = {
+                .intctrl = mx27_intctrl,
+                .config = mx27_config,
+                .trigger = mx27_trigger,
+                .rx_available = mx27_rx_available,
+                .reset = spi_imx0_0_reset,
+                .fifosize = 8,
+        },
+#endif
+#ifdef CONFIG_SPI_IMX_VER_0_4
+        [SPI_IMX_VER_0_4] = {
+                .intctrl = mx31_intctrl,
+                .config = spi_imx0_4_config,
+                .trigger = mx31_trigger,
+                .rx_available = mx31_rx_available,
+                .reset = spi_imx0_4_reset,
+                .fifosize = 8,
+        },
+#endif
+#ifdef CONFIG_SPI_IMX_VER_0_7
+        [SPI_IMX_VER_0_7] = {
+                .intctrl = mx31_intctrl,
+                .config = spi_imx0_7_config,
+                .trigger = mx31_trigger,
+                .rx_available = mx31_rx_available,
+                .reset = spi_imx0_4_reset,
+                .fifosize = 8,
+        },
+#endif
+#ifdef CONFIG_SPI_IMX_VER_2_3
+        [SPI_IMX_VER_2_3] = {
+                .intctrl = spi_imx2_3_intctrl,
+                .config = spi_imx2_3_config,
+                .trigger = spi_imx2_3_trigger,
+                .rx_available = spi_imx2_3_rx_available,
+                .reset = spi_imx2_3_reset,
+                .fifosize = 64,
+        },
+#endif
+};
+
 static void spi_imx_chipselect(struct spi_device *spi, int is_active)
 {
         struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);
@@ -370,21 +602,21 @@ static void spi_imx_chipselect(struct spi_device *spi, int is_active)
 
 static void spi_imx_push(struct spi_imx_data *spi_imx)
 {
-        while (spi_imx->txfifo < 8) {
+        while (spi_imx->txfifo < spi_imx->devtype_data.fifosize) {
                 if (!spi_imx->count)
                         break;
                 spi_imx->tx(spi_imx);
                 spi_imx->txfifo++;
         }
 
-        spi_imx->trigger(spi_imx);
+        spi_imx->devtype_data.trigger(spi_imx);
 }
 
 static irqreturn_t spi_imx_isr(int irq, void *dev_id)
 {
         struct spi_imx_data *spi_imx = dev_id;
 
-        while (spi_imx->rx_available(spi_imx)) {
+        while (spi_imx->devtype_data.rx_available(spi_imx)) {
                 spi_imx->rx(spi_imx);
                 spi_imx->txfifo--;
         }
@@ -398,11 +630,12 @@ static irqreturn_t spi_imx_isr(int irq, void *dev_id)
                 /* No data left to push, but still waiting for rx data,
                  * enable receive data available interrupt.
                  */
-                spi_imx->intctrl(spi_imx, MXC_INT_RR);
+                spi_imx->devtype_data.intctrl(
+                                spi_imx, MXC_INT_RR);
                 return IRQ_HANDLED;
         }
 
-        spi_imx->intctrl(spi_imx, 0);
+        spi_imx->devtype_data.intctrl(spi_imx, 0);
         complete(&spi_imx->xfer_done);
 
         return IRQ_HANDLED;
@@ -417,7 +650,7 @@ static int spi_imx_setupxfer(struct spi_device *spi,
         config.bpw = t ? t->bits_per_word : spi->bits_per_word;
         config.speed_hz  = t ? t->speed_hz : spi->max_speed_hz;
         config.mode = spi->mode;
-        config.cs = spi_imx->chipselect[spi->chip_select];
+        config.cs = spi->chip_select;
 
         if (!config.speed_hz)
                 config.speed_hz = spi->max_speed_hz;
@@ -439,7 +672,7 @@ static int spi_imx_setupxfer(struct spi_device *spi,
         } else
                 BUG();
 
-        spi_imx->config(spi_imx, &config);
+        spi_imx->devtype_data.config(spi_imx, &config);
 
         return 0;
 }
@@ -458,7 +691,7 @@ static int spi_imx_transfer(struct spi_device *spi,
 
         spi_imx_push(spi_imx);
 
-        spi_imx->intctrl(spi_imx, MXC_INT_TE);
+        spi_imx->devtype_data.intctrl(spi_imx, MXC_INT_TE);
 
         wait_for_completion(&spi_imx->xfer_done);
 
@@ -485,6 +718,39 @@ static void spi_imx_cleanup(struct spi_device *spi)
 {
 }
 
+static struct platform_device_id spi_imx_devtype[] = {
+        {
+                .name = DRIVER_NAME,
+                .driver_data = SPI_IMX_VER_AUTODETECT,
+        }, {
+                .name = "imx1-cspi",
+                .driver_data = SPI_IMX_VER_IMX1,
+        }, {
+                .name = "imx21-cspi",
+                .driver_data = SPI_IMX_VER_0_0,
+        }, {
+                .name = "imx25-cspi",
+                .driver_data = SPI_IMX_VER_0_7,
+        }, {
+                .name = "imx27-cspi",
+                .driver_data = SPI_IMX_VER_0_0,
+        }, {
+                .name = "imx31-cspi",
+                .driver_data = SPI_IMX_VER_0_4,
+        }, {
+                .name = "imx35-cspi",
+                .driver_data = SPI_IMX_VER_0_7,
+        }, {
+                .name = "imx51-cspi",
+                .driver_data = SPI_IMX_VER_0_7,
+        }, {
+                .name = "imx51-ecspi",
+                .driver_data = SPI_IMX_VER_2_3,
+        }, {
+                /* sentinel */
+        }
+};
+
 static int __devinit spi_imx_probe(struct platform_device *pdev)
 {
         struct spi_imx_master *mxc_platform_info;
@@ -536,6 +802,31 @@ static int __devinit spi_imx_probe(struct platform_device *pdev)
 
         init_completion(&spi_imx->xfer_done);
 
+        if (pdev->id_entry->driver_data == SPI_IMX_VER_AUTODETECT) {
+                if (cpu_is_mx25() || cpu_is_mx35())
+                        spi_imx->devtype_data =
+                                spi_imx_devtype_data[SPI_IMX_VER_0_7];
+                else if (cpu_is_mx25() || cpu_is_mx31() || cpu_is_mx35())
+                        spi_imx->devtype_data =
+                                spi_imx_devtype_data[SPI_IMX_VER_0_4];
+                else if (cpu_is_mx27() || cpu_is_mx21())
+                        spi_imx->devtype_data =
+                                spi_imx_devtype_data[SPI_IMX_VER_0_0];
+                else if (cpu_is_mx1())
+                        spi_imx->devtype_data =
+                                spi_imx_devtype_data[SPI_IMX_VER_IMX1];
+                else
+                        BUG();
+        } else
+                spi_imx->devtype_data =
+                        spi_imx_devtype_data[pdev->id_entry->driver_data];
+
+        if (!spi_imx->devtype_data.intctrl) {
+                dev_err(&pdev->dev, "no support for this device compiled in\n");
+                ret = -ENODEV;
+                goto out_gpio_free;
+        }
+
         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         if (!res) {
                 dev_err(&pdev->dev, "can't get platform resource\n");
@@ -567,24 +858,6 @@ static int __devinit spi_imx_probe(struct platform_device *pdev)
                 goto out_iounmap;
         }
 
-        if (cpu_is_mx25() || cpu_is_mx31() || cpu_is_mx35()) {
-                spi_imx->intctrl = mx31_intctrl;
-                spi_imx->config = mx31_config;
-                spi_imx->trigger = mx31_trigger;
-                spi_imx->rx_available = mx31_rx_available;
-        } else  if (cpu_is_mx27() || cpu_is_mx21()) {
-                spi_imx->intctrl = mx27_intctrl;
-                spi_imx->config = mx27_config;
-                spi_imx->trigger = mx27_trigger;
-                spi_imx->rx_available = mx27_rx_available;
-        } else if (cpu_is_mx1()) {
-                spi_imx->intctrl = mx1_intctrl;
-                spi_imx->config = mx1_config;
-                spi_imx->trigger = mx1_trigger;
-                spi_imx->rx_available = mx1_rx_available;
-        } else
-                BUG();
-
         spi_imx->clk = clk_get(&pdev->dev, NULL);
         if (IS_ERR(spi_imx->clk)) {
                 dev_err(&pdev->dev, "unable to get clock\n");
@@ -595,15 +868,9 @@ static int __devinit spi_imx_probe(struct platform_device *pdev)
         clk_enable(spi_imx->clk);
         spi_imx->spi_clk = clk_get_rate(spi_imx->clk);
 
-        if (cpu_is_mx1() || cpu_is_mx21() || cpu_is_mx27())
-                writel(1, spi_imx->base + MXC_RESET);
-
-        /* drain receive buffer */
-        if (cpu_is_mx25() || cpu_is_mx31() || cpu_is_mx35())
-                while (readl(spi_imx->base + MX3_CSPISTAT) & MX3_CSPISTAT_RR)
-                        readl(spi_imx->base + MXC_CSPIRXDATA);
+        spi_imx->devtype_data.reset(spi_imx);
 
-        spi_imx->intctrl(spi_imx, 0);
+        spi_imx->devtype_data.intctrl(spi_imx, 0);
 
         ret = spi_bitbang_start(&spi_imx->bitbang);
         if (ret) {
@@ -668,6 +935,7 @@ static struct platform_driver spi_imx_driver = {
                    .name = DRIVER_NAME,
                    .owner = THIS_MODULE,
                    },
+        .id_table = spi_imx_devtype,
         .probe = spi_imx_probe,
         .remove = __devexit_p(spi_imx_remove),
 };
diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
index 418163894775..afef7b0a4195 100644
--- a/drivers/usb/host/ohci-pxa27x.c
+++ b/drivers/usb/host/ohci-pxa27x.c
@@ -24,6 +24,7 @@
 #include <linux/platform_device.h>
 #include <linux/clk.h>
 #include <mach/ohci.h>
+#include <mach/pxa3xx-u2d.h>
 
 /*
  * UHC: USB Host Controller (OHCI-like) register definitions
@@ -235,6 +236,9 @@ static int pxa27x_start_hc(struct pxa27x_ohci *ohci, struct device *dev)
         if (retval < 0)
                 return retval;
 
+        if (cpu_is_pxa3xx())
+                pxa3xx_u2d_start_hc(&ohci_to_hcd(&ohci->ohci)->self);
+
         uhchr = __raw_readl(ohci->mmio_base + UHCHR) & ~UHCHR_SSE;
         __raw_writel(uhchr, ohci->mmio_base + UHCHR);
         __raw_writel(UHCHIE_UPRIE | UHCHIE_RWIE, ohci->mmio_base + UHCHIE);
@@ -251,6 +255,9 @@ static void pxa27x_stop_hc(struct pxa27x_ohci *ohci, struct device *dev)
 
         inf = dev->platform_data;
 
+        if (cpu_is_pxa3xx())
+                pxa3xx_u2d_stop_hc(&ohci_to_hcd(&ohci->ohci)->self);
+
         if (inf->exit)
                 inf->exit(dev);
 
diff --git a/drivers/video/pxa168fb.c b/drivers/video/pxa168fb.c
index a31a77ff6f3d..cea6403ae71c 100644
--- a/drivers/video/pxa168fb.c
+++ b/drivers/video/pxa168fb.c
@@ -784,12 +784,53 @@ failed:
         return ret;
 }
 
+static int __devexit pxa168fb_remove(struct platform_device *pdev)
+{
+        struct pxa168fb_info *fbi = platform_get_drvdata(pdev);
+        struct fb_info *info;
+        int irq;
+        unsigned int data;
+
+        if (!fbi)
+                return 0;
+
+        /* disable DMA transfer */
+        data = readl(fbi->reg_base + LCD_SPU_DMA_CTRL0);
+        data &= ~CFG_GRA_ENA_MASK;
+        writel(data, fbi->reg_base + LCD_SPU_DMA_CTRL0);
+
+        info = fbi->info;
+
+        unregister_framebuffer(info);
+
+        writel(GRA_FRAME_IRQ0_ENA(0x0), fbi->reg_base + SPU_IRQ_ENA);
+
+        if (info->cmap.len)
+                fb_dealloc_cmap(&info->cmap);
+
+        irq = platform_get_irq(pdev, 0);
+        free_irq(irq, fbi);
+
+        dma_free_writecombine(fbi->dev, PAGE_ALIGN(info->fix.smem_len),
+                                info->screen_base, info->fix.smem_start);
+
+        iounmap(fbi->reg_base);
+
+        clk_disable(fbi->clk);
+        clk_put(fbi->clk);
+
+        framebuffer_release(info);
+
+        return 0;
+}
+
 static struct platform_driver pxa168fb_driver = {
         .driver         = {
                 .name   = "pxa168-fb",
                 .owner  = THIS_MODULE,
         },
         .probe          = pxa168fb_probe,
+        .remove         = __devexit_p(pxa168fb_remove),
 };
 
 static int __init pxa168fb_init(void)
@@ -798,6 +839,12 @@ static int __init pxa168fb_init(void)
 }
 module_init(pxa168fb_init);
 
+static void __exit pxa168fb_exit(void)
+{
+        platform_driver_unregister(&pxa168fb_driver);
+}
+module_exit(pxa168fb_exit);
+
 MODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com> "
               "Green Wan <gwan@marvell.com>");
 MODULE_DESCRIPTION("Framebuffer driver for PXA168/910");