11 files changed, 313 insertions, 29 deletions

diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig
index f8b9392ee347..4210cb434dbc 100644
--- a/arch/arm/mach-ux500/Kconfig
+++ b/arch/arm/mach-ux500/Kconfig
@@ -20,7 +20,7 @@ config UX500_SOC_DB8500
 
 endmenu
 
-menu "Ux500 target platform"
+menu "Ux500 target platform (boards)"
 
 config MACH_U8500
         bool "U8500 Development platform"
@@ -29,6 +29,19 @@ config MACH_U8500
         help
           Include support for the mop500 development platform.
 
+config MACH_HREFV60
+       bool "U85000 Development platform, HREFv60 version"
+       depends on UX500_SOC_DB8500
+       help
+         Include support for the HREFv60 new development platform.
+
+config MACH_SNOWBALL
+        bool "U8500 Snowball platform"
+        depends on UX500_SOC_DB8500
+        select MACH_U8500
+        help
+          Include support for the snowball development platform.
+
 config MACH_U5500
         bool "U5500 Development platform"
         depends on UX500_SOC_DB5500
diff --git a/arch/arm/mach-ux500/board-mop500-pins.c b/arch/arm/mach-ux500/board-mop500-pins.c
index 70cdbd60596a..f26fd76f72b4 100644
--- a/arch/arm/mach-ux500/board-mop500-pins.c
+++ b/arch/arm/mach-ux500/board-mop500-pins.c
@@ -236,6 +236,46 @@ static pin_cfg_t mop500_pins_hrefv60[] = {
 
 };
 
+static pin_cfg_t snowball_pins[] = {
+        /* SSP0, to AB8500 */
+        GPIO143_SSP0_CLK,
+        GPIO144_SSP0_FRM,
+        GPIO145_SSP0_RXD        | PIN_PULL_DOWN,
+        GPIO146_SSP0_TXD,
+
+        /* MMC0: MicroSD card */
+        GPIO21_MC0_DAT31DIR     | PIN_OUTPUT_HIGH,
+
+        /* MMC2: LAN */
+        GPIO86_SM_ADQ0,
+        GPIO87_SM_ADQ1,
+        GPIO88_SM_ADQ2,
+        GPIO89_SM_ADQ3,
+        GPIO90_SM_ADQ4,
+        GPIO91_SM_ADQ5,
+        GPIO92_SM_ADQ6,
+        GPIO93_SM_ADQ7,
+
+        GPIO94_SM_ADVn,
+        GPIO95_SM_CS0n,
+        GPIO96_SM_OEn,
+        GPIO97_SM_WEn,
+
+        GPIO128_SM_CKO,
+        GPIO130_SM_FBCLK,
+        GPIO131_SM_ADQ8,
+        GPIO132_SM_ADQ9,
+        GPIO133_SM_ADQ10,
+        GPIO134_SM_ADQ11,
+        GPIO135_SM_ADQ12,
+        GPIO136_SM_ADQ13,
+        GPIO137_SM_ADQ14,
+        GPIO138_SM_ADQ15,
+
+        /* RSTn_LAN */
+        GPIO141_GPIO            | PIN_OUTPUT_HIGH,
+};
+
 void __init mop500_pins_init(void)
 {
         nmk_config_pins(mop500_pins_common,
@@ -243,6 +283,9 @@ void __init mop500_pins_init(void)
         if (machine_is_hrefv60())
                 nmk_config_pins(mop500_pins_hrefv60,
                                 ARRAY_SIZE(mop500_pins_hrefv60));
+        else if (machine_is_snowball())
+                nmk_config_pins(snowball_pins,
+                                ARRAY_SIZE(snowball_pins));
         else
                 nmk_config_pins(mop500_pins_default,
                                 ARRAY_SIZE(mop500_pins_default));
diff --git a/arch/arm/mach-ux500/board-mop500-regulators.c b/arch/arm/mach-ux500/board-mop500-regulators.c
index 0f2e522f387d..2735d03996cf 100644
--- a/arch/arm/mach-ux500/board-mop500-regulators.c
+++ b/arch/arm/mach-ux500/board-mop500-regulators.c
@@ -272,7 +272,14 @@ struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS] = {
                         .max_uV = 2900000,
                         .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
                                           REGULATOR_CHANGE_STATUS,
-                        .boot_on = 1, /* must be on for display */
+                        .boot_on = 1, /* display is on at boot */
+                        /*
+                         * This voltage cannot be disabled right now because
+                         * it is somehow affecting the external MMC
+                         * functionality, though that typically will use
+                         * AUX3.
+                         */
+                        .always_on = 1,
                 },
                 .num_consumer_supplies = ARRAY_SIZE(ab8500_vaux1_consumers),
                 .consumer_supplies = ab8500_vaux1_consumers,
diff --git a/arch/arm/mach-ux500/board-mop500-sdi.c b/arch/arm/mach-ux500/board-mop500-sdi.c
index 7c6cb4fa47a9..d0cb9e5eb87c 100644
--- a/arch/arm/mach-ux500/board-mop500-sdi.c
+++ b/arch/arm/mach-ux500/board-mop500-sdi.c
@@ -32,13 +32,32 @@
 #define MCI_DATA31DIREN         (1 << 5)
 #define MCI_FBCLKEN             (1 << 7)
 
+/* GPIO pins used by the sdi0 level shifter */
+static int sdi0_en = -1;
+static int sdi0_vsel = -1;
+
 static u32 mop500_sdi0_vdd_handler(struct device *dev, unsigned int vdd,
                                    unsigned char power_mode)
 {
-        if (power_mode == MMC_POWER_UP)
-                gpio_set_value_cansleep(GPIO_SDMMC_EN, 1);
-        else if (power_mode == MMC_POWER_OFF)
-                gpio_set_value_cansleep(GPIO_SDMMC_EN, 0);
+        switch (power_mode) {
+        case MMC_POWER_UP:
+        case MMC_POWER_ON:
+                /*
+                 * Level shifter voltage should depend on vdd to when deciding
+                 * on either 1.8V or 2.9V. Once the decision has been made the
+                 * level shifter must be disabled and re-enabled with a changed
+                 * select signal in order to switch the voltage. Since there is
+                 * no framework support yet for indicating 1.8V in vdd, use the
+                 * default 2.9V.
+                 */
+                gpio_direction_output(sdi0_vsel, 0);
+                gpio_direction_output(sdi0_en, 1);
+                break;
+        case MMC_POWER_OFF:
+                gpio_direction_output(sdi0_vsel, 0);
+                gpio_direction_output(sdi0_en, 0);
+                break;
+        }
 
         return MCI_FBCLKEN | MCI_CMDDIREN | MCI_DATA0DIREN |
                MCI_DATA2DIREN | MCI_DATA31DIREN;
@@ -67,8 +86,10 @@ static struct stedma40_chan_cfg mop500_sdi0_dma_cfg_tx = {
 static struct mmci_platform_data mop500_sdi0_data = {
         .vdd_handler    = mop500_sdi0_vdd_handler,
         .ocr_mask       = MMC_VDD_29_30,
-        .f_max          = 100000000,
-        .capabilities   = MMC_CAP_4_BIT_DATA,
+        .f_max          = 50000000,
+        .capabilities   = MMC_CAP_4_BIT_DATA |
+                                MMC_CAP_SD_HIGHSPEED |
+                                MMC_CAP_MMC_HIGHSPEED,
         .gpio_wp        = -1,
 #ifdef CONFIG_STE_DMA40
         .dma_filter     = stedma40_filter,
@@ -77,10 +98,6 @@ static struct mmci_platform_data mop500_sdi0_data = {
 #endif
 };
 
-/* GPIO pins used by the sdi0 level shifter */
-static int sdi0_en = -1;
-static int sdi0_vsel = -1;
-
 static void sdi0_configure(void)
 {
         int ret;
@@ -140,7 +157,7 @@ static struct stedma40_chan_cfg mop500_sdi2_dma_cfg_tx = {
 
 static struct mmci_platform_data mop500_sdi2_data = {
         .ocr_mask       = MMC_VDD_165_195,
-        .f_max          = 100000000,
+        .f_max          = 50000000,
         .capabilities   = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
         .gpio_cd        = -1,
         .gpio_wp        = -1,
@@ -177,7 +194,7 @@ static struct stedma40_chan_cfg mop500_sdi4_dma_cfg_tx = {
 
 static struct mmci_platform_data mop500_sdi4_data = {
         .ocr_mask       = MMC_VDD_29_30,
-        .f_max          = 100000000,
+        .f_max          = 50000000,
         .capabilities   = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA |
                           MMC_CAP_MMC_HIGHSPEED,
         .gpio_cd        = -1,
@@ -199,17 +216,27 @@ void __init mop500_sdi_init(void)
         /* PoP:ed eMMC on top of DB8500 v1.0 has problems with high speed */
         if (!cpu_is_u8500v10())
                 mop500_sdi2_data.capabilities |= MMC_CAP_MMC_HIGHSPEED;
-        db8500_add_sdi2(&mop500_sdi2_data, periphid);
+        /* sdi2 on snowball is in ATL_B mode for FSMC (LAN) */
+        if (!machine_is_snowball())
+                db8500_add_sdi2(&mop500_sdi2_data, periphid);
 
         /* On-board eMMC */
         db8500_add_sdi4(&mop500_sdi4_data, periphid);
 
-        if (machine_is_hrefv60()) {
-                mop500_sdi0_data.gpio_cd = HREFV60_SDMMC_CD_GPIO;
-                sdi0_en = HREFV60_SDMMC_EN_GPIO;
-                sdi0_vsel = HREFV60_SDMMC_1V8_3V_GPIO;
+        if (machine_is_hrefv60() || machine_is_snowball()) {
+                if (machine_is_hrefv60()) {
+                        mop500_sdi0_data.gpio_cd = HREFV60_SDMMC_CD_GPIO;
+                        sdi0_en = HREFV60_SDMMC_EN_GPIO;
+                        sdi0_vsel = HREFV60_SDMMC_1V8_3V_GPIO;
+                } else if (machine_is_snowball()) {
+                        mop500_sdi0_data.gpio_cd = SNOWBALL_SDMMC_CD_GPIO;
+                        mop500_sdi0_data.cd_invert = true;
+                        sdi0_en = SNOWBALL_SDMMC_EN_GPIO;
+                        sdi0_vsel = SNOWBALL_SDMMC_1V8_3V_GPIO;
+                }
                 sdi0_configure();
         }
+
         /*
          * On boards with the TC35892 GPIO expander, sdi0 will finally
          * be added when the TC35892 initializes and calls
diff --git a/arch/arm/mach-ux500/board-mop500-uib.c b/arch/arm/mach-ux500/board-mop500-uib.c
index 69cce41f602a..5af36aa56c08 100644
--- a/arch/arm/mach-ux500/board-mop500-uib.c
+++ b/arch/arm/mach-ux500/board-mop500-uib.c
@@ -25,7 +25,7 @@ struct uib {
         void (*init)(void);
 };
 
-static struct __initdata uib mop500_uibs[] = {
+static struct uib __initdata mop500_uibs[] = {
         [STUIB] = {
                 .name   = "ST-UIB",
                 .option = "stuib",
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index 2a08c07dec6d..cd54abaccd96 100644
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -26,9 +26,11 @@
 #include <linux/mfd/ab8500/gpio.h>
 #include <linux/leds-lp5521.h>
 #include <linux/input.h>
+#include <linux/smsc911x.h>
 #include <linux/gpio_keys.h>
 #include <linux/delay.h>
 
+#include <linux/leds.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 
@@ -47,6 +49,26 @@
 #include "board-mop500.h"
 #include "board-mop500-regulators.h"
 
+static struct gpio_led snowball_led_array[] = {
+        {
+                .name = "user_led",
+                .default_trigger = "none",
+                .gpio = 142,
+        },
+};
+
+static struct gpio_led_platform_data snowball_led_data = {
+        .leds = snowball_led_array,
+        .num_leds = ARRAY_SIZE(snowball_led_array),
+};
+
+static struct platform_device snowball_led_dev = {
+        .name = "leds-gpio",
+        .dev = {
+                .platform_data = &snowball_led_data,
+        },
+};
+
 static struct ab8500_gpio_platform_data ab8500_gpio_pdata = {
         .gpio_base              = MOP500_AB8500_GPIO(0),
         .irq_base               = MOP500_AB8500_VIR_GPIO_IRQ_BASE,
@@ -69,6 +91,97 @@ static struct ab8500_gpio_platform_data ab8500_gpio_pdata = {
                                         0x7A, 0x00, 0x00},
 };
 
+static struct gpio_keys_button snowball_key_array[] = {
+        {
+                .gpio           = 32,
+                .type           = EV_KEY,
+                .code           = KEY_1,
+                .desc           = "userpb",
+                .active_low     = 1,
+                .debounce_interval = 50,
+                .wakeup         = 1,
+        },
+        {
+                .gpio           = 151,
+                .type           = EV_KEY,
+                .code           = KEY_2,
+                .desc           = "extkb1",
+                .active_low     = 1,
+                .debounce_interval = 50,
+                .wakeup         = 1,
+        },
+        {
+                .gpio           = 152,
+                .type           = EV_KEY,
+                .code           = KEY_3,
+                .desc           = "extkb2",
+                .active_low     = 1,
+                .debounce_interval = 50,
+                .wakeup         = 1,
+        },
+        {
+                .gpio           = 161,
+                .type           = EV_KEY,
+                .code           = KEY_4,
+                .desc           = "extkb3",
+                .active_low     = 1,
+                .debounce_interval = 50,
+                .wakeup         = 1,
+        },
+        {
+                .gpio           = 162,
+                .type           = EV_KEY,
+                .code           = KEY_5,
+                .desc           = "extkb4",
+                .active_low     = 1,
+                .debounce_interval = 50,
+                .wakeup         = 1,
+        },
+};
+
+static struct gpio_keys_platform_data snowball_key_data = {
+        .buttons        = snowball_key_array,
+        .nbuttons       = ARRAY_SIZE(snowball_key_array),
+};
+
+static struct platform_device snowball_key_dev = {
+        .name           = "gpio-keys",
+        .id             = -1,
+        .dev            = {
+                .platform_data  = &snowball_key_data,
+        }
+};
+
+static struct smsc911x_platform_config snowball_sbnet_cfg = {
+        .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
+        .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
+        .flags = SMSC911X_USE_16BIT | SMSC911X_FORCE_INTERNAL_PHY,
+        .shift = 1,
+};
+
+static struct resource sbnet_res[] = {
+        {
+                .name = "smsc911x-memory",
+                .start = (0x5000 << 16),
+                .end  =  (0x5000 << 16) + 0xffff,
+                .flags = IORESOURCE_MEM,
+        },
+        {
+                .start = NOMADIK_GPIO_TO_IRQ(140),
+                .end = NOMADIK_GPIO_TO_IRQ(140),
+                .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
+        },
+};
+
+static struct platform_device snowball_sbnet_dev = {
+        .name           = "smsc911x",
+        .num_resources  = ARRAY_SIZE(sbnet_res),
+        .resource       = sbnet_res,
+        .dev            = {
+                .platform_data = &snowball_sbnet_cfg,
+        },
+};
+
 static struct ab8500_platform_data ab8500_platdata = {
         .irq_base       = MOP500_AB8500_IRQ_BASE,
         .regulator_reg_init = ab8500_regulator_reg_init,
@@ -295,8 +408,9 @@ static void mop500_prox_deactivate(struct device *dev)
 }
 
 /* add any platform devices here - TODO */
-static struct platform_device *platform_devs[] __initdata = {
+static struct platform_device *mop500_platform_devs[] __initdata = {
         &mop500_gpio_keys_device,
+        &ab8500_device,
 };
 
 #ifdef CONFIG_STE_DMA40
@@ -478,6 +592,13 @@ static void __init mop500_uart_init(void)
         db8500_add_uart2(&uart2_plat);
 }
 
+static struct platform_device *snowball_platform_devs[] __initdata = {
+        &snowball_led_dev,
+        &snowball_key_dev,
+        &snowball_sbnet_dev,
+        &ab8500_device,
+};
+
 static void __init mop500_init_machine(void)
 {
         int i2c0_devs;
@@ -487,24 +608,29 @@ static void __init mop500_init_machine(void)
          * all these GPIO pins to the internal GPIO controller
          * instead.
          */
-        if (machine_is_hrefv60())
-                mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO;
-        else
-                mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR;
+        if (!machine_is_snowball()) {
+                if (machine_is_hrefv60())
+                        mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO;
+                else
+                        mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR;
+        }
 
         u8500_init_devices();
 
         mop500_pins_init();
 
-        platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));
+        if (machine_is_snowball())
+                platform_add_devices(snowball_platform_devs,
+                                        ARRAY_SIZE(snowball_platform_devs));
+        else
+                platform_add_devices(mop500_platform_devs,
+                                        ARRAY_SIZE(mop500_platform_devs));
 
         mop500_i2c_init();
         mop500_sdi_init();
         mop500_spi_init();
         mop500_uart_init();
 
-        platform_device_register(&ab8500_device);
-
         i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);
         if (machine_is_hrefv60())
                 i2c0_devs -= NUM_PRE_V60_I2C0_DEVICES;
@@ -512,6 +638,9 @@ static void __init mop500_init_machine(void)
         i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs);
         i2c_register_board_info(2, mop500_i2c2_devices,
                                 ARRAY_SIZE(mop500_i2c2_devices));
+
+        /* This board has full regulator constraints */
+        regulator_has_full_constraints();
 }
 
 MACHINE_START(U8500, "ST-Ericsson MOP500 platform")
@@ -531,3 +660,12 @@ MACHINE_START(HREFV60, "ST-Ericsson U8500 Platform HREFv60+")
         .timer          = &ux500_timer,
         .init_machine   = mop500_init_machine,
 MACHINE_END
+
+MACHINE_START(SNOWBALL, "Calao Systems Snowball platform")
+        .boot_params    = 0x100,
+        .map_io         = u8500_map_io,
+        .init_irq       = ux500_init_irq,
+        /* we re-use nomadik timer here */
+        .timer          = &ux500_timer,
+        .init_machine   = mop500_init_machine,
+MACHINE_END
diff --git a/arch/arm/mach-ux500/board-mop500.h b/arch/arm/mach-ux500/board-mop500.h
index 03a31cc9b084..ee77a8970c33 100644
--- a/arch/arm/mach-ux500/board-mop500.h
+++ b/arch/arm/mach-ux500/board-mop500.h
@@ -7,6 +7,11 @@
 #ifndef __BOARD_MOP500_H
 #define __BOARD_MOP500_H
 
+/* snowball GPIO for MMC card */
+#define SNOWBALL_SDMMC_EN_GPIO 217
+#define SNOWBALL_SDMMC_1V8_3V_GPIO 228
+#define SNOWBALL_SDMMC_CD_GPIO 218
+
 /* HREFv60-specific GPIO assignments, this board has no GPIO expander */
 #define HREFV60_TOUCH_RST_GPIO          143
 #define HREFV60_PROX_SENSE_GPIO         217
diff --git a/arch/arm/mach-ux500/clock.c b/arch/arm/mach-ux500/clock.c
index 7d107be63eb4..e832664d1bd9 100644
--- a/arch/arm/mach-ux500/clock.c
+++ b/arch/arm/mach-ux500/clock.c
@@ -14,6 +14,7 @@
 #include <linux/clk.h>
 #include <linux/io.h>
 #include <linux/clkdev.h>
+#include <linux/cpufreq.h>
 
 #include <plat/mtu.h>
 #include <mach/hardware.h>
@@ -742,6 +743,51 @@ err_out:
 late_initcall(clk_debugfs_init);
 #endif /* defined(CONFIG_DEBUG_FS) */
 
+unsigned long clk_smp_twd_rate = 400000000;
+
+unsigned long clk_smp_twd_get_rate(struct clk *clk)
+{
+        return clk_smp_twd_rate;
+}
+
+static struct clk clk_smp_twd = {
+        .get_rate = clk_smp_twd_get_rate,
+        .name =  "smp_twd",
+};
+
+static struct clk_lookup clk_smp_twd_lookup = {
+        .dev_id = "smp_twd",
+        .clk = &clk_smp_twd,
+};
+
+#ifdef CONFIG_CPU_FREQ
+
+static int clk_twd_cpufreq_transition(struct notifier_block *nb,
+                                      unsigned long state, void *data)
+{
+        struct cpufreq_freqs *f = data;
+
+        if (state == CPUFREQ_PRECHANGE) {
+                /* Save frequency in simple Hz */
+                clk_smp_twd_rate = f->new * 1000;
+        }
+
+        return NOTIFY_OK;
+}
+
+static struct notifier_block clk_twd_cpufreq_nb = {
+        .notifier_call = clk_twd_cpufreq_transition,
+};
+
+static int clk_init_smp_twd_cpufreq(void)
+{
+        return cpufreq_register_notifier(&clk_twd_cpufreq_nb,
+                                  CPUFREQ_TRANSITION_NOTIFIER);
+}
+late_initcall(clk_init_smp_twd_cpufreq);
+
+#endif
+
 int __init clk_init(void)
 {
         if (cpu_is_u8500ed()) {
@@ -762,6 +808,8 @@ int __init clk_init(void)
         else
                 clkdev_add_table(u8500_v1_clks, ARRAY_SIZE(u8500_v1_clks));
 
+        clkdev_add(&clk_smp_twd_lookup);
+
 #ifdef CONFIG_DEBUG_FS
         clk_debugfs_add_table(u8500_common_clks, ARRAY_SIZE(u8500_common_clks));
         if (cpu_is_u8500ed())
diff --git a/arch/arm/mach-ux500/cpu-db5500.c b/arch/arm/mach-ux500/cpu-db5500.c
index c01bc19e3c5e..22705d246fc7 100644
--- a/arch/arm/mach-ux500/cpu-db5500.c
+++ b/arch/arm/mach-ux500/cpu-db5500.c
@@ -44,6 +44,7 @@ static struct map_desc u5500_io_desc[] __initdata = {
         __IO_DEV_DESC(U5500_GPIO3_BASE, SZ_4K),
         __IO_DEV_DESC(U5500_GPIO4_BASE, SZ_4K),
         __IO_DEV_DESC(U5500_PRCMU_BASE, SZ_4K),
+        __IO_DEV_DESC(U5500_PRCMU_TCDM_BASE, SZ_4K),
 };
 
 static struct resource db5500_pmu_resources[] = {
diff --git a/arch/arm/mach-ux500/include/mach/uncompress.h b/arch/arm/mach-ux500/include/mach/uncompress.h
index 088b550c40df..7dd08074c37b 100644
--- a/arch/arm/mach-ux500/include/mach/uncompress.h
+++ b/arch/arm/mach-ux500/include/mach/uncompress.h
@@ -54,7 +54,8 @@ static inline void arch_decomp_setup(void)
         if (machine_is_u8500() ||
             machine_is_svp8500v1() ||
             machine_is_svp8500v2() ||
-            machine_is_hrefv60())
+            machine_is_hrefv60()   ||
+            machine_is_snowball())
                 ux500_uart_base = U8500_UART2_BASE;
         else if (machine_is_u5500())
                 ux500_uart_base = U5500_UART0_BASE;
diff --git a/arch/arm/mach-ux500/usb.c b/arch/arm/mach-ux500/usb.c
index 82e535953fd9..0a01cbdfe063 100644
--- a/arch/arm/mach-ux500/usb.c
+++ b/arch/arm/mach-ux500/usb.c
@@ -6,6 +6,7 @@
  */
 #include <linux/platform_device.h>
 #include <linux/usb/musb.h>
+#include <linux/dma-mapping.h>
 #include <plat/ste_dma40.h>
 #include <mach/hardware.h>
 #include <mach/usb.h>