Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux

Merge mainline to add prerequisite for ARM ux500 crypto support.

31 files changed, 591 insertions, 431 deletions

diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig
index c59e8b892d6..8904d18de01 100644
--- a/arch/arm/mach-ux500/Kconfig
+++ b/arch/arm/mach-ux500/Kconfig
@@ -8,47 +8,56 @@ config UX500_SOC_COMMON
 	select PL310_ERRATA_753970
 	select ARM_ERRATA_754322
 	select ARM_ERRATA_764369
-
-menu "Ux500 SoC"
+	select CACHE_L2X0
 
 config UX500_SOC_DB5500
-	bool "DB5500"
+	bool
 	select MFD_DB5500_PRCMU
 
 config UX500_SOC_DB8500
-	bool "DB8500"
+	bool
 	select MFD_DB8500_PRCMU
 	select REGULATOR_DB8500_PRCMU
-
-endmenu
+	select CPU_FREQ_TABLE if CPU_FREQ
 
 menu "Ux500 target platform (boards)"
 
-config MACH_U8500
-	bool "U8500 Development platform"
-	depends on UX500_SOC_DB8500
-	select TPS6105X
+config MACH_MOP500
+	bool "U8500 Development platform, MOP500 versions"
+	select UX500_SOC_DB8500
+	select I2C
+	select I2C_NOMADIK
+	select SOC_BUS
 	help
-	  Include support for the mop500 development platform.
+	  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.
+	bool "U8500 Development platform, HREFv60 version"
+	select MACH_MOP500
+	help
+	  Include support for the HREFv60 new development platform.
+	  Includes HREFv70, v71 etc.
 
 config MACH_SNOWBALL
 	bool "U8500 Snowball platform"
-	depends on UX500_SOC_DB8500
-	select MACH_U8500
+	select MACH_MOP500
 	help
 	  Include support for the snowball development platform.
 
 config MACH_U5500
 	bool "U5500 Development platform"
-	depends on UX500_SOC_DB5500
+	select UX500_SOC_DB5500
 	help
 	  Include support for the U5500 development platform.
+
+config UX500_AUTO_PLATFORM
+	def_bool y
+	depends on !MACH_U5500
+	select MACH_MOP500
+	help
+	  At least one platform needs to be selected in order to build
+	  a working kernel. If everything else is disabled, this
+	  automatically enables MACH_MOP500.
 endmenu
 
 config UX500_DEBUG_UART
diff --git a/arch/arm/mach-ux500/Makefile b/arch/arm/mach-ux500/Makefile
index 6bd2f451c18..465b9ec9510 100644
--- a/arch/arm/mach-ux500/Makefile
+++ b/arch/arm/mach-ux500/Makefile
@@ -7,7 +7,7 @@ obj-y				:= clock.o cpu.o devices.o devices-common.o \
 obj-$(CONFIG_CACHE_L2X0)	+= cache-l2x0.o
 obj-$(CONFIG_UX500_SOC_DB5500)	+= cpu-db5500.o dma-db5500.o
 obj-$(CONFIG_UX500_SOC_DB8500)	+= cpu-db8500.o devices-db8500.o
-obj-$(CONFIG_MACH_U8500)	+= board-mop500.o board-mop500-sdi.o \
+obj-$(CONFIG_MACH_MOP500)	+= board-mop500.o board-mop500-sdi.o \
 				board-mop500-regulators.o \
 				board-mop500-uib.o board-mop500-stuib.o \
 				board-mop500-u8500uib.o \
@@ -15,7 +15,6 @@ obj-$(CONFIG_MACH_U8500)	+= board-mop500.o board-mop500-sdi.o \
 obj-$(CONFIG_MACH_U5500)	+= board-u5500.o board-u5500-sdi.o
 obj-$(CONFIG_SMP)		+= platsmp.o headsmp.o
 obj-$(CONFIG_HOTPLUG_CPU)	+= hotplug.o
-obj-$(CONFIG_LOCAL_TIMERS)	+= localtimer.o
 obj-$(CONFIG_U5500_MODEM_IRQ)	+= modem-irq-db5500.o
 obj-$(CONFIG_U5500_MBOX)	+= mbox-db5500.o
 
diff --git a/arch/arm/mach-ux500/board-mop500-pins.c b/arch/arm/mach-ux500/board-mop500-pins.c
index 74bfcff2bdf..f5413dca532 100644
--- a/arch/arm/mach-ux500/board-mop500-pins.c
+++ b/arch/arm/mach-ux500/board-mop500-pins.c
@@ -6,6 +6,7 @@
 
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/bug.h>
 
 #include <asm/mach-types.h>
 #include <plat/pincfg.h>
diff --git a/arch/arm/mach-ux500/board-mop500-regulators.c b/arch/arm/mach-ux500/board-mop500-regulators.c
index 2735d03996c..52426a42578 100644
--- a/arch/arm/mach-ux500/board-mop500-regulators.c
+++ b/arch/arm/mach-ux500/board-mop500-regulators.c
@@ -74,6 +74,26 @@ static struct regulator_consumer_supply ab8500_vtvout_consumers[] = {
 	REGULATOR_SUPPLY("vddadc", "ab8500-gpadc.0"),
 };
 
+static struct regulator_consumer_supply ab8500_vaud_consumers[] = {
+	/* AB8500 audio-codec main supply */
+	REGULATOR_SUPPLY("vaud", "ab8500-codec.0"),
+};
+
+static struct regulator_consumer_supply ab8500_vamic1_consumers[] = {
+	/* AB8500 audio-codec Mic1 supply */
+	REGULATOR_SUPPLY("vamic1", "ab8500-codec.0"),
+};
+
+static struct regulator_consumer_supply ab8500_vamic2_consumers[] = {
+	/* AB8500 audio-codec Mic2 supply */
+	REGULATOR_SUPPLY("vamic2", "ab8500-codec.0"),
+};
+
+static struct regulator_consumer_supply ab8500_vdmic_consumers[] = {
+	/* AB8500 audio-codec DMic supply */
+	REGULATOR_SUPPLY("vdmic", "ab8500-codec.0"),
+};
+
 static struct regulator_consumer_supply ab8500_vintcore_consumers[] = {
 	/* SoC core supply, no device */
 	REGULATOR_SUPPLY("v-intcore", NULL),
@@ -323,6 +343,8 @@ struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS] = {
 			.name = "V-AUD",
 			.valid_ops_mask = REGULATOR_CHANGE_STATUS,
 		},
+		.num_consumer_supplies = ARRAY_SIZE(ab8500_vaud_consumers),
+		.consumer_supplies = ab8500_vaud_consumers,
 	},
 	/* supply for v-anamic1 VAMic1-LDO */
 	[AB8500_LDO_ANAMIC1] = {
@@ -330,6 +352,8 @@ struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS] = {
 			.name = "V-AMIC1",
 			.valid_ops_mask = REGULATOR_CHANGE_STATUS,
 		},
+		.num_consumer_supplies = ARRAY_SIZE(ab8500_vamic1_consumers),
+		.consumer_supplies = ab8500_vamic1_consumers,
 	},
 	/* supply for v-amic2, VAMIC2 LDO, reuse constants for AMIC1 */
 	[AB8500_LDO_ANAMIC2] = {
@@ -337,6 +361,8 @@ struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS] = {
 			.name = "V-AMIC2",
 			.valid_ops_mask = REGULATOR_CHANGE_STATUS,
 		},
+		.num_consumer_supplies = ARRAY_SIZE(ab8500_vamic2_consumers),
+		.consumer_supplies = ab8500_vamic2_consumers,
 	},
 	/* supply for v-dmic, VDMIC LDO */
 	[AB8500_LDO_DMIC] = {
@@ -344,6 +370,8 @@ struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS] = {
 			.name = "V-DMIC",
 			.valid_ops_mask = REGULATOR_CHANGE_STATUS,
 		},
+		.num_consumer_supplies = ARRAY_SIZE(ab8500_vdmic_consumers),
+		.consumer_supplies = ab8500_vdmic_consumers,
 	},
 	/* supply for v-intcore12, VINTCORE12 LDO */
 	[AB8500_LDO_INTCORE] = {
diff --git a/arch/arm/mach-ux500/board-mop500-sdi.c b/arch/arm/mach-ux500/board-mop500-sdi.c
index 5dde4d4ebe8..920251cf834 100644
--- a/arch/arm/mach-ux500/board-mop500-sdi.c
+++ b/arch/arm/mach-ux500/board-mop500-sdi.c
@@ -31,21 +31,13 @@
  * SDI 0 (MicroSD slot)
  */
 
-/* MMCIPOWER bits */
-#define MCI_DATA2DIREN		(1 << 2)
-#define MCI_CMDDIREN		(1 << 3)
-#define MCI_DATA0DIREN		(1 << 4)
-#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)
+static int mop500_sdi0_ios_handler(struct device *dev, struct mmc_ios *ios)
 {
-	switch (power_mode) {
+	switch (ios->power_mode) {
 	case MMC_POWER_UP:
 	case MMC_POWER_ON:
 		/*
@@ -65,8 +57,7 @@ static u32 mop500_sdi0_vdd_handler(struct device *dev, unsigned int vdd,
 		break;
 	}
 
-	return MCI_FBCLKEN | MCI_CMDDIREN | MCI_DATA0DIREN |
-	       MCI_DATA2DIREN | MCI_DATA31DIREN;
+	return 0;
 }
 
 #ifdef CONFIG_STE_DMA40
@@ -90,13 +81,17 @@ static struct stedma40_chan_cfg mop500_sdi0_dma_cfg_tx = {
 #endif
 
 static struct mmci_platform_data mop500_sdi0_data = {
-	.vdd_handler	= mop500_sdi0_vdd_handler,
+	.ios_handler	= mop500_sdi0_ios_handler,
 	.ocr_mask	= MMC_VDD_29_30,
 	.f_max		= 50000000,
 	.capabilities	= MMC_CAP_4_BIT_DATA |
 				MMC_CAP_SD_HIGHSPEED |
 				MMC_CAP_MMC_HIGHSPEED,
 	.gpio_wp	= -1,
+	.sigdir		= MCI_ST_FBCLKEN |
+				MCI_ST_CMDDIREN |
+				MCI_ST_DATA0DIREN |
+				MCI_ST_DATA2DIREN,
 #ifdef CONFIG_STE_DMA40
 	.dma_filter	= stedma40_filter,
 	.dma_rx_param	= &mop500_sdi0_dma_cfg_rx,
@@ -104,7 +99,7 @@ static struct mmci_platform_data mop500_sdi0_data = {
 #endif
 };
 
-static void sdi0_configure(void)
+static void sdi0_configure(struct device *parent)
 {
 	int ret;
 
@@ -123,15 +118,15 @@ static void sdi0_configure(void)
 	gpio_direction_output(sdi0_en, 1);
 
 	/* Add the device, force v2 to subrevision 1 */
-	db8500_add_sdi0(&mop500_sdi0_data, U8500_SDI_V2_PERIPHID);
+	db8500_add_sdi0(parent, &mop500_sdi0_data, U8500_SDI_V2_PERIPHID);
 }
 
-void mop500_sdi_tc35892_init(void)
+void mop500_sdi_tc35892_init(struct device *parent)
 {
 	mop500_sdi0_data.gpio_cd = GPIO_SDMMC_CD;
 	sdi0_en = GPIO_SDMMC_EN;
 	sdi0_vsel = GPIO_SDMMC_1V8_3V_SEL;
-	sdi0_configure();
+	sdi0_configure(parent);
 }
 
 /*
@@ -246,12 +241,13 @@ static struct mmci_platform_data mop500_sdi4_data = {
 #endif
 };
 
-void __init mop500_sdi_init(void)
+void __init mop500_sdi_init(struct device *parent)
 {
 	/* PoP:ed eMMC */
-	db8500_add_sdi2(&mop500_sdi2_data, U8500_SDI_V2_PERIPHID);
+	db8500_add_sdi2(parent, &mop500_sdi2_data, U8500_SDI_V2_PERIPHID);
 	/* On-board eMMC */
-	db8500_add_sdi4(&mop500_sdi4_data, U8500_SDI_V2_PERIPHID);
+	db8500_add_sdi4(parent, &mop500_sdi4_data, U8500_SDI_V2_PERIPHID);
+
 	/*
 	 * On boards with the TC35892 GPIO expander, sdi0 will finally
 	 * be added when the TC35892 initializes and calls
@@ -259,31 +255,31 @@ void __init mop500_sdi_init(void)
 	 */
 }
 
-void __init snowball_sdi_init(void)
+void __init snowball_sdi_init(struct device *parent)
 {
 	/* On Snowball MMC_CAP_SD_HIGHSPEED isn't supported (Hardware issue?) */
 	mop500_sdi0_data.capabilities &= ~MMC_CAP_SD_HIGHSPEED;
 	/* On-board eMMC */
-	db8500_add_sdi4(&mop500_sdi4_data, U8500_SDI_V2_PERIPHID);
+	db8500_add_sdi4(parent, &mop500_sdi4_data, U8500_SDI_V2_PERIPHID);
 	/* External Micro SD slot */
 	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();
+	sdi0_configure(parent);
 }
 
-void __init hrefv60_sdi_init(void)
+void __init hrefv60_sdi_init(struct device *parent)
 {
 	/* PoP:ed eMMC */
-	db8500_add_sdi2(&mop500_sdi2_data, U8500_SDI_V2_PERIPHID);
+	db8500_add_sdi2(parent, &mop500_sdi2_data, U8500_SDI_V2_PERIPHID);
 	/* On-board eMMC */
-	db8500_add_sdi4(&mop500_sdi4_data, U8500_SDI_V2_PERIPHID);
+	db8500_add_sdi4(parent, &mop500_sdi4_data, U8500_SDI_V2_PERIPHID);
 	/* External Micro SD slot */
 	mop500_sdi0_data.gpio_cd = HREFV60_SDMMC_CD_GPIO;
 	sdi0_en = HREFV60_SDMMC_EN_GPIO;
 	sdi0_vsel = HREFV60_SDMMC_1V8_3V_GPIO;
-	sdi0_configure();
+	sdi0_configure(parent);
 	/* WLAN SDIO channel */
-	db8500_add_sdi1(&mop500_sdi1_data, U8500_SDI_V2_PERIPHID);
+	db8500_add_sdi1(parent, &mop500_sdi1_data, U8500_SDI_V2_PERIPHID);
 }
diff --git a/arch/arm/mach-ux500/board-mop500-u8500uib.c b/arch/arm/mach-ux500/board-mop500-u8500uib.c
index feb5744d98b..ead91c968ff 100644
--- a/arch/arm/mach-ux500/board-mop500-u8500uib.c
+++ b/arch/arm/mach-ux500/board-mop500-u8500uib.c
@@ -8,7 +8,6 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/i2c.h>
-#include <linux/gpio.h>
 #include <linux/interrupt.h>
 #include <linux/mfd/tc3589x.h>
 #include <linux/input/matrix_keypad.h>
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index 5c00712907d..29d33037499 100644
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -72,7 +72,7 @@ static struct platform_device snowball_led_dev = {
 };
 
 static struct ab8500_gpio_platform_data ab8500_gpio_pdata = {
-	.gpio_base		= MOP500_AB8500_GPIO(0),
+	.gpio_base		= MOP500_AB8500_PIN_GPIO(1),
 	.irq_base		= MOP500_AB8500_VIR_GPIO_IRQ_BASE,
 	/* config_reg is the initial configuration of ab8500 pins.
 	 * The pins can be configured as GPIO or alt functions based
@@ -226,7 +226,12 @@ static struct tps6105x_platform_data mop500_tps61052_data = {
 
 static void mop500_tc35892_init(struct tc3589x *tc3589x, unsigned int base)
 {
-	mop500_sdi_tc35892_init();
+	struct device *parent = NULL;
+#if 0
+	/* FIXME: Is the sdi actually part of tc3589x? */
+	parent = tc3589x->dev;
+#endif
+	mop500_sdi_tc35892_init(parent);
 }
 
 static struct tc3589x_gpio_platform_data mop500_tc35892_gpio_data = {
@@ -353,12 +358,12 @@ U8500_I2C_CONTROLLER(1, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST);
 U8500_I2C_CONTROLLER(2,	0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST);
 U8500_I2C_CONTROLLER(3,	0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST);
 
-static void __init mop500_i2c_init(void)
+static void __init mop500_i2c_init(struct device *parent)
 {
-	db8500_add_i2c0(&u8500_i2c0_data);
-	db8500_add_i2c1(&u8500_i2c1_data);
-	db8500_add_i2c2(&u8500_i2c2_data);
-	db8500_add_i2c3(&u8500_i2c3_data);
+	db8500_add_i2c0(parent, &u8500_i2c0_data);
+	db8500_add_i2c1(parent, &u8500_i2c1_data);
+	db8500_add_i2c2(parent, &u8500_i2c2_data);
+	db8500_add_i2c3(parent, &u8500_i2c3_data);
 }
 
 static struct gpio_keys_button mop500_gpio_keys[] = {
@@ -451,9 +456,9 @@ static struct pl022_ssp_controller ssp0_platform_data = {
 	.num_chipselect = 5,
 };
 
-static void __init mop500_spi_init(void)
+static void __init mop500_spi_init(struct device *parent)
 {
-	db8500_add_ssp0(&ssp0_platform_data);
+	db8500_add_ssp0(parent, &ssp0_platform_data);
 }
 
 #ifdef CONFIG_STE_DMA40
@@ -587,11 +592,11 @@ static struct amba_pl011_data uart2_plat = {
 #endif
 };
 
-static void __init mop500_uart_init(void)
+static void __init mop500_uart_init(struct device *parent)
 {
-	db8500_add_uart0(&uart0_plat);
-	db8500_add_uart1(&uart1_plat);
-	db8500_add_uart2(&uart2_plat);
+	db8500_add_uart0(parent, &uart0_plat);
+	db8500_add_uart1(parent, &uart1_plat);
+	db8500_add_uart2(parent, &uart2_plat);
 }
 
 static struct platform_device *snowball_platform_devs[] __initdata = {
@@ -603,21 +608,26 @@ static struct platform_device *snowball_platform_devs[] __initdata = {
 
 static void __init mop500_init_machine(void)
 {
+	struct device *parent = NULL;
 	int i2c0_devs;
+	int i;
 
 	mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR;
 
-	u8500_init_devices();
+	parent = u8500_init_devices();
 
 	mop500_pins_init();
 
+	for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++)
+		mop500_platform_devs[i]->dev.parent = parent;
+
 	platform_add_devices(mop500_platform_devs,
 			ARRAY_SIZE(mop500_platform_devs));
 
-	mop500_i2c_init();
-	mop500_sdi_init();
-	mop500_spi_init();
-	mop500_uart_init();
+	mop500_i2c_init(parent);
+	mop500_sdi_init(parent);
+	mop500_spi_init(parent);
+	mop500_uart_init(parent);
 
 	i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);
 
@@ -631,19 +641,24 @@ static void __init mop500_init_machine(void)
 
 static void __init snowball_init_machine(void)
 {
+	struct device *parent = NULL;
 	int i2c0_devs;
+	int i;
 
-	u8500_init_devices();
+	parent = u8500_init_devices();
 
 	snowball_pins_init();
 
+	for (i = 0; i < ARRAY_SIZE(snowball_platform_devs); i++)
+		snowball_platform_devs[i]->dev.parent = parent;
+
 	platform_add_devices(snowball_platform_devs,
 			ARRAY_SIZE(snowball_platform_devs));
 
-	mop500_i2c_init();
-	snowball_sdi_init();
-	mop500_spi_init();
-	mop500_uart_init();
+	mop500_i2c_init(parent);
+	snowball_sdi_init(parent);
+	mop500_spi_init(parent);
+	mop500_uart_init(parent);
 
 	i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);
 	i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs);
@@ -656,7 +671,9 @@ static void __init snowball_init_machine(void)
 
 static void __init hrefv60_init_machine(void)
 {
+	struct device *parent = NULL;
 	int i2c0_devs;
+	int i;
 
 	/*
 	 * The HREFv60 board removed a GPIO expander and routed
@@ -665,17 +682,20 @@ static void __init hrefv60_init_machine(void)
 	 */
 	mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO;
 
-	u8500_init_devices();
+	parent = u8500_init_devices();
 
 	hrefv60_pins_init();
 
+	for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++)
+		mop500_platform_devs[i]->dev.parent = parent;
+
 	platform_add_devices(mop500_platform_devs,
 			ARRAY_SIZE(mop500_platform_devs));
 
-	mop500_i2c_init();
-	hrefv60_sdi_init();
-	mop500_spi_init();
-	mop500_uart_init();
+	mop500_i2c_init(parent);
+	hrefv60_sdi_init(parent);
+	mop500_spi_init(parent);
+	mop500_uart_init(parent);
 
 	i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);
 
diff --git a/arch/arm/mach-ux500/board-mop500.h b/arch/arm/mach-ux500/board-mop500.h
index f926d3db620..fdcfa8721bb 100644
--- a/arch/arm/mach-ux500/board-mop500.h
+++ b/arch/arm/mach-ux500/board-mop500.h
@@ -63,7 +63,7 @@
  * because the AB8500 GPIO pins are enumbered starting from 1, so the value in
  * parens matches the GPIO pin number in the data sheet.
  */
-#define MOP500_AB8500_GPIO(x)		(MOP500_EGPIO_END + (x) - 1)
+#define MOP500_AB8500_PIN_GPIO(x)	(MOP500_EGPIO_END + (x) - 1)
 /*Snowball AB8500 GPIO */
 #define SNOWBALL_VSMPS2_1V8_GPIO	MOP500_AB8500_PIN_GPIO(1)	/* SYSCLKREQ2/GPIO1 */
 #define SNOWBALL_PM_GPIO1_GPIO		MOP500_AB8500_PIN_GPIO(2)	/* SYSCLKREQ3/GPIO2 */
@@ -75,10 +75,10 @@
 
 struct i2c_board_info;
 
-extern void mop500_sdi_init(void);
-extern void snowball_sdi_init(void);
-extern void hrefv60_sdi_init(void);
-extern void mop500_sdi_tc35892_init(void);
+extern void mop500_sdi_init(struct device *parent);
+extern void snowball_sdi_init(struct device *parent);
+extern void hrefv60_sdi_init(struct device *parent);
+extern void mop500_sdi_tc35892_init(struct device *parent);
 void __init mop500_u8500uib_init(void);
 void __init mop500_stuib_init(void);
 void __init mop500_pins_init(void);
diff --git a/arch/arm/mach-ux500/board-u5500-sdi.c b/arch/arm/mach-ux500/board-u5500-sdi.c
index 63c3f8058ff..836112eedde 100644
--- a/arch/arm/mach-ux500/board-u5500-sdi.c
+++ b/arch/arm/mach-ux500/board-u5500-sdi.c
@@ -66,9 +66,9 @@ static struct mmci_platform_data u5500_sdi0_data = {
 #endif
 };
 
-void __init u5500_sdi_init(void)
+void __init u5500_sdi_init(struct device *parent)
 {
 	nmk_config_pins(u5500_sdi_pins, ARRAY_SIZE(u5500_sdi_pins));
 
-	db5500_add_sdi0(&u5500_sdi0_data);
+	db5500_add_sdi0(parent, &u5500_sdi0_data);
 }
diff --git a/arch/arm/mach-ux500/board-u5500.c b/arch/arm/mach-ux500/board-u5500.c
index 9de9e9c4dbb..0ff4be72a80 100644
--- a/arch/arm/mach-ux500/board-u5500.c
+++ b/arch/arm/mach-ux500/board-u5500.c
@@ -97,9 +97,9 @@ static struct i2c_board_info __initdata u5500_i2c2_devices[] = {
 	},
 };
 
-static void __init u5500_i2c_init(void)
+static void __init u5500_i2c_init(struct device *parent)
 {
-	db5500_add_i2c2(&u5500_i2c2_data);
+	db5500_add_i2c2(parent, &u5500_i2c2_data);
 	i2c_register_board_info(2, ARRAY_AND_SIZE(u5500_i2c2_devices));
 }
 
@@ -126,20 +126,27 @@ static struct platform_device *u5500_platform_devices[] __initdata = {
 	&ab5500_device,
 };
 
-static void __init u5500_uart_init(void)
+static void __init u5500_uart_init(struct device *parent)
 {
-	db5500_add_uart0(NULL);
-	db5500_add_uart1(NULL);
-	db5500_add_uart2(NULL);
+	db5500_add_uart0(parent, NULL);
+	db5500_add_uart1(parent, NULL);
+	db5500_add_uart2(parent, NULL);
 }
 
 static void __init u5500_init_machine(void)
 {
-	u5500_init_devices();
+	struct device *parent = NULL;
+	int i;
+
+	parent = u5500_init_devices();
 	nmk_config_pins(u5500_pins, ARRAY_SIZE(u5500_pins));
-	u5500_i2c_init();
-	u5500_sdi_init();
-	u5500_uart_init();
+
+	u5500_i2c_init(parent);
+	u5500_sdi_init(parent);
+	u5500_uart_init(parent);
+
+	for (i = 0; i < ARRAY_SIZE(u5500_platform_devices); i++)
+		u5500_platform_devices[i]->dev.parent = parent;
 
 	platform_add_devices(u5500_platform_devices,
 		ARRAY_SIZE(u5500_platform_devices));
diff --git a/arch/arm/mach-ux500/clock.c b/arch/arm/mach-ux500/clock.c
index 73790753700..ec35f0aa566 100644
--- a/arch/arm/mach-ux500/clock.c
+++ b/arch/arm/mach-ux500/clock.c
@@ -223,6 +223,13 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
 }
 EXPORT_SYMBOL(clk_set_rate);
 
+int clk_set_parent(struct clk *clk, struct clk *parent)
+{
+	/*TODO*/
+	return -ENOSYS;
+}
+EXPORT_SYMBOL(clk_set_parent);
+
 static void clk_prcmu_enable(struct clk *clk)
 {
 	void __iomem *cg_set_reg = __io_address(U8500_PRCMU_BASE)
diff --git a/arch/arm/mach-ux500/clock.h b/arch/arm/mach-ux500/clock.h
index 07449070522..d776ada08db 100644
--- a/arch/arm/mach-ux500/clock.h
+++ b/arch/arm/mach-ux500/clock.h
@@ -21,6 +21,7 @@ struct clkops {
 	void (*enable) (struct clk *);
 	void (*disable) (struct clk *);
 	unsigned long (*get_rate) (struct clk *);
+	int (*set_parent)(struct clk *, struct clk *);
 };
 
 /**
diff --git a/arch/arm/mach-ux500/cpu-db5500.c b/arch/arm/mach-ux500/cpu-db5500.c
index 18aa5c05c69..bca47f32082 100644
--- a/arch/arm/mach-ux500/cpu-db5500.c
+++ b/arch/arm/mach-ux500/cpu-db5500.c
@@ -147,13 +147,13 @@ static resource_size_t __initdata db5500_gpio_base[] = {
 	U5500_GPIOBANK7_BASE,
 };
 
-static void __init db5500_add_gpios(void)
+static void __init db5500_add_gpios(struct device *parent)
 {
 	struct nmk_gpio_platform_data pdata = {
 		/* No custom data yet */
 	};
 
-	dbx500_add_gpios(ARRAY_AND_SIZE(db5500_gpio_base),
+	dbx500_add_gpios(parent, ARRAY_AND_SIZE(db5500_gpio_base),
 			 IRQ_DB5500_GPIO0, &pdata);
 }
 
@@ -212,14 +212,36 @@ static int usb_db5500_tx_dma_cfg[] = {
 	DB5500_DMA_DEV38_USB_OTG_OEP_8
 };
 
-void __init u5500_init_devices(void)
+static const char *db5500_read_soc_id(void)
 {
-	db5500_add_gpios();
+	return kasprintf(GFP_KERNEL, "u5500 currently unsupported\n");
+}
+
+static struct device * __init db5500_soc_device_init(void)
+{
+	const char *soc_id = db5500_read_soc_id();
+
+	return ux500_soc_device_init(soc_id);
+}
+
+struct device * __init u5500_init_devices(void)
+{
+	struct device *parent;
+	int i;
+
+	parent = db5500_soc_device_init();
+
+	db5500_add_gpios(parent);
 	db5500_pmu_init();
-	db5500_dma_init();
-	db5500_add_rtc();
-	db5500_add_usb(usb_db5500_rx_dma_cfg, usb_db5500_tx_dma_cfg);
+	db5500_dma_init(parent);
+	db5500_add_rtc(parent);
+	db5500_add_usb(parent, usb_db5500_rx_dma_cfg, usb_db5500_tx_dma_cfg);
+
+	for (i = 0; i < ARRAY_SIZE(db5500_platform_devs); i++)
+		db5500_platform_devs[i]->dev.parent = parent;
 
 	platform_add_devices(db5500_platform_devs,
 			     ARRAY_SIZE(db5500_platform_devs));
+
+	return parent;
 }
diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c
index 7176ee7491a..9bd8163896c 100644
--- a/arch/arm/mach-ux500/cpu-db8500.c
+++ b/arch/arm/mach-ux500/cpu-db8500.c
@@ -24,6 +24,7 @@
 #include <mach/setup.h>
 #include <mach/devices.h>
 #include <mach/usb.h>
+#include <mach/db8500-regs.h>
 
 #include "devices-db8500.h"
 #include "ste-dma40-db8500.h"
@@ -132,13 +133,13 @@ static resource_size_t __initdata db8500_gpio_base[] = {
 	U8500_GPIOBANK8_BASE,
 };
 
-static void __init db8500_add_gpios(void)
+static void __init db8500_add_gpios(struct device *parent)
 {
 	struct nmk_gpio_platform_data pdata = {
 		.supports_sleepmode = true,
 	};
 
-	dbx500_add_gpios(ARRAY_AND_SIZE(db8500_gpio_base),
+	dbx500_add_gpios(parent, ARRAY_AND_SIZE(db8500_gpio_base),
 			 IRQ_DB8500_GPIO0, &pdata);
 }
 
@@ -164,17 +165,44 @@ static int usb_db8500_tx_dma_cfg[] = {
 	DB8500_DMA_DEV39_USB_OTG_OEP_8
 };
 
+static const char *db8500_read_soc_id(void)
+{
+	void __iomem *uid = __io_address(U8500_BB_UID_BASE);
+
+	return kasprintf(GFP_KERNEL, "%08x%08x%08x%08x%08x",
+			 readl((u32 *)uid+1),
+			 readl((u32 *)uid+1), readl((u32 *)uid+2),
+			 readl((u32 *)uid+3), readl((u32 *)uid+4));
+}
+
+static struct device * __init db8500_soc_device_init(void)
+{
+	const char *soc_id = db8500_read_soc_id();
+
+	return ux500_soc_device_init(soc_id);
+}
+
 /*
  * This function is called from the board init
  */
-void __init u8500_init_devices(void)
+struct device * __init u8500_init_devices(void)
 {
-	db8500_add_rtc();
-	db8500_add_gpios();
-	db8500_add_usb(usb_db8500_rx_dma_cfg, usb_db8500_tx_dma_cfg);
+	struct device *parent;
+	int i;
+
+	parent = db8500_soc_device_init();
+
+	db8500_add_rtc(parent);
+	db8500_add_gpios(parent);
+	db8500_add_usb(parent, usb_db8500_rx_dma_cfg, usb_db8500_tx_dma_cfg);
+
+	platform_device_register_data(parent,
+		"cpufreq-u8500", -1, NULL, 0);
+
+	for (i = 0; i < ARRAY_SIZE(platform_devs); i++)
+		platform_devs[i]->dev.parent = parent;
 
-	platform_device_register_simple("cpufreq-u8500", -1, NULL, 0);
 	platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));
 
-	return ;
+	return parent;
 }
diff --git a/arch/arm/mach-ux500/cpu.c b/arch/arm/mach-ux500/cpu.c
index f4185749437..6242e88e5fd 100644
--- a/arch/arm/mach-ux500/cpu.c
+++ b/arch/arm/mach-ux500/cpu.c
@@ -2,6 +2,7 @@
  * Copyright (C) ST-Ericsson SA 2010
  *
  * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
+ * Author: Lee Jones <lee.jones@linaro.org> for ST-Ericsson
  * License terms: GNU General Public License (GPL) version 2
  */
 
@@ -11,10 +12,13 @@
 #include <linux/mfd/db8500-prcmu.h>
 #include <linux/mfd/db5500-prcmu.h>
 #include <linux/clksrc-dbx500-prcmu.h>
+#include <linux/sys_soc.h>
+#include <linux/err.h>
+#include &