Merge branch 'for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into devel-stable

Conflicts:
	arch/arm/mach-s3c64xx/dev-audio.c

25 files changed, 683 insertions, 22 deletions

diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index 7c0bde781167..dcd6eff4ee53 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -180,6 +180,31 @@ config S3C_DEV_I2C2
 	help
 	  Compile in platform device definitions for I2C channel 2
 
+config S3C_DEV_I2C3
+	bool
+	help
+	  Compile in platform device definition for I2C controller 3
+
+config S3C_DEV_I2C4
+	bool
+	help
+	  Compile in platform device definition for I2C controller 4
+
+config S3C_DEV_I2C5
+	bool
+	help
+	  Compile in platform device definition for I2C controller 5
+
+config S3C_DEV_I2C6
+	bool
+	help
+	  Compile in platform device definition for I2C controller 6
+
+config S3C_DEV_I2C7
+	bool
+	help
+	  Compile in platform device definition for I2C controller 7
+
 config S3C_DEV_FB
 	bool
 	help
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index 4d8ff923207a..afcce474af8e 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -40,6 +40,11 @@ obj-$(CONFIG_S3C_DEV_HWMON)	+= dev-hwmon.o
 obj-y				+= dev-i2c0.o
 obj-$(CONFIG_S3C_DEV_I2C1)	+= dev-i2c1.o
 obj-$(CONFIG_S3C_DEV_I2C2)	+= dev-i2c2.o
+obj-$(CONFIG_S3C_DEV_I2C3)	+= dev-i2c3.o
+obj-$(CONFIG_S3C_DEV_I2C4)	+= dev-i2c4.o
+obj-$(CONFIG_S3C_DEV_I2C5)	+= dev-i2c5.o
+obj-$(CONFIG_S3C_DEV_I2C6)	+= dev-i2c6.o
+obj-$(CONFIG_S3C_DEV_I2C7)	+= dev-i2c7.o
 obj-$(CONFIG_S3C_DEV_FB)	+= dev-fb.o
 obj-y				+= dev-uart.o
 obj-$(CONFIG_S3C_DEV_USB_HOST)	+= dev-usb.o
diff --git a/arch/arm/plat-samsung/dev-hsmmc.c b/arch/arm/plat-samsung/dev-hsmmc.c
index 9d2be0941410..db7a65c7f127 100644
--- a/arch/arm/plat-samsung/dev-hsmmc.c
+++ b/arch/arm/plat-samsung/dev-hsmmc.c
@@ -41,6 +41,7 @@ struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata = {
 	.max_width	= 4,
 	.host_caps	= (MMC_CAP_4_BIT_DATA |
 			   MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
+	.clk_type	= S3C_SDHCI_CLK_DIV_INTERNAL,
 };
 
 struct platform_device s3c_device_hsmmc0 = {
@@ -59,17 +60,20 @@ void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd)
 {
 	struct s3c_sdhci_platdata *set = &s3c_hsmmc0_def_platdata;
 
-	set->max_width = pd->max_width;
 	set->cd_type = pd->cd_type;
 	set->ext_cd_init = pd->ext_cd_init;
 	set->ext_cd_cleanup = pd->ext_cd_cleanup;
 	set->ext_cd_gpio = pd->ext_cd_gpio;
 	set->ext_cd_gpio_invert = pd->ext_cd_gpio_invert;
 
+	if (pd->max_width)
+		set->max_width = pd->max_width;
 	if (pd->cfg_gpio)
 		set->cfg_gpio = pd->cfg_gpio;
 	if (pd->cfg_card)
 		set->cfg_card = pd->cfg_card;
 	if (pd->host_caps)
-		set->host_caps = pd->host_caps;
+		set->host_caps |= pd->host_caps;
+	if (pd->clk_type)
+		set->clk_type = pd->clk_type;
 }
diff --git a/arch/arm/plat-samsung/dev-hsmmc1.c b/arch/arm/plat-samsung/dev-hsmmc1.c
index a6c8295840af..2497321f08d7 100644
--- a/arch/arm/plat-samsung/dev-hsmmc1.c
+++ b/arch/arm/plat-samsung/dev-hsmmc1.c
@@ -41,6 +41,7 @@ struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata = {
 	.max_width	= 4,
 	.host_caps	= (MMC_CAP_4_BIT_DATA |
 			   MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
+	.clk_type	= S3C_SDHCI_CLK_DIV_INTERNAL,
 };
 
 struct platform_device s3c_device_hsmmc1 = {
@@ -59,17 +60,20 @@ void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd)
 {
 	struct s3c_sdhci_platdata *set = &s3c_hsmmc1_def_platdata;
 
-	set->max_width = pd->max_width;
 	set->cd_type = pd->cd_type;
 	set->ext_cd_init = pd->ext_cd_init;
 	set->ext_cd_cleanup = pd->ext_cd_cleanup;
 	set->ext_cd_gpio = pd->ext_cd_gpio;
 	set->ext_cd_gpio_invert = pd->ext_cd_gpio_invert;
 
+	if (pd->max_width)
+		set->max_width = pd->max_width;
 	if (pd->cfg_gpio)
 		set->cfg_gpio = pd->cfg_gpio;
 	if (pd->cfg_card)
 		set->cfg_card = pd->cfg_card;
 	if (pd->host_caps)
-		set->host_caps = pd->host_caps;
+		set->host_caps |= pd->host_caps;
+	if (pd->clk_type)
+		set->clk_type = pd->clk_type;
 }
diff --git a/arch/arm/plat-samsung/dev-hsmmc2.c b/arch/arm/plat-samsung/dev-hsmmc2.c
index cb0d7143381a..f60aedba417c 100644
--- a/arch/arm/plat-samsung/dev-hsmmc2.c
+++ b/arch/arm/plat-samsung/dev-hsmmc2.c
@@ -42,6 +42,7 @@ struct s3c_sdhci_platdata s3c_hsmmc2_def_platdata = {
 	.max_width	= 4,
 	.host_caps	= (MMC_CAP_4_BIT_DATA |
 			   MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
+	.clk_type	= S3C_SDHCI_CLK_DIV_INTERNAL,
 };
 
 struct platform_device s3c_device_hsmmc2 = {
@@ -60,17 +61,20 @@ void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd)
 {
 	struct s3c_sdhci_platdata *set = &s3c_hsmmc2_def_platdata;
 
-	set->max_width = pd->max_width;
 	set->cd_type = pd->cd_type;
 	set->ext_cd_init = pd->ext_cd_init;
 	set->ext_cd_cleanup = pd->ext_cd_cleanup;
 	set->ext_cd_gpio = pd->ext_cd_gpio;
 	set->ext_cd_gpio_invert = pd->ext_cd_gpio_invert;
 
+	if (pd->max_width)
+		set->max_width = pd->max_width;
 	if (pd->cfg_gpio)
 		set->cfg_gpio = pd->cfg_gpio;
 	if (pd->cfg_card)
 		set->cfg_card = pd->cfg_card;
 	if (pd->host_caps)
-		set->host_caps = pd->host_caps;
+		set->host_caps |= pd->host_caps;
+	if (pd->clk_type)
+		set->clk_type = pd->clk_type;
 }
diff --git a/arch/arm/plat-samsung/dev-hsmmc3.c b/arch/arm/plat-samsung/dev-hsmmc3.c
index 85aaf0f2842f..ede776f20e62 100644
--- a/arch/arm/plat-samsung/dev-hsmmc3.c
+++ b/arch/arm/plat-samsung/dev-hsmmc3.c
@@ -33,8 +33,8 @@ static struct resource s3c_hsmmc3_resource[] = {
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
-		.start	= IRQ_MMC3,
-		.end	= IRQ_MMC3,
+		.start	= IRQ_HSMMC3,
+		.end	= IRQ_HSMMC3,
 		.flags	= IORESOURCE_IRQ,
 	}
 };
@@ -45,6 +45,7 @@ struct s3c_sdhci_platdata s3c_hsmmc3_def_platdata = {
 	.max_width	= 4,
 	.host_caps	= (MMC_CAP_4_BIT_DATA |
 			   MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
+	.clk_type	= S3C_SDHCI_CLK_DIV_INTERNAL,
 };
 
 struct platform_device s3c_device_hsmmc3 = {
@@ -63,15 +64,20 @@ void s3c_sdhci3_set_platdata(struct s3c_sdhci_platdata *pd)
 {
 	struct s3c_sdhci_platdata *set = &s3c_hsmmc3_def_platdata;
 
-	set->max_width = pd->max_width;
 	set->cd_type = pd->cd_type;
 	set->ext_cd_init = pd->ext_cd_init;
 	set->ext_cd_cleanup = pd->ext_cd_cleanup;
 	set->ext_cd_gpio = pd->ext_cd_gpio;
 	set->ext_cd_gpio_invert = pd->ext_cd_gpio_invert;
 
+	if (pd->max_width)
+		set->max_width = pd->max_width;
 	if (pd->cfg_gpio)
 		set->cfg_gpio = pd->cfg_gpio;
 	if (pd->cfg_card)
 		set->cfg_card = pd->cfg_card;
+	if (pd->host_caps)
+		set->host_caps |= pd->host_caps;
+	if (pd->clk_type)
+		set->clk_type = pd->clk_type;
 }
diff --git a/arch/arm/plat-samsung/dev-i2c2.c b/arch/arm/plat-samsung/dev-i2c2.c
index 07036dee09e7..ff4ba69b6830 100644
--- a/arch/arm/plat-samsung/dev-i2c2.c
+++ b/arch/arm/plat-samsung/dev-i2c2.c
@@ -32,8 +32,8 @@ static struct resource s3c_i2c_resource[] = {
 		.flags = IORESOURCE_MEM,
 	},
 	[1] = {
-		.start = IRQ_CAN0,
-		.end   = IRQ_CAN0,
+		.start = IRQ_IIC2,
+		.end   = IRQ_IIC2,
 		.flags = IORESOURCE_IRQ,
 	},
 };
diff --git a/arch/arm/plat-samsung/dev-i2c3.c b/arch/arm/plat-samsung/dev-i2c3.c
new file mode 100644
index 000000000000..8586a10014b7
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-i2c3.c
@@ -0,0 +1,68 @@
+/* linux/arch/arm/plat-samsung/dev-i2c3.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P series device definition for i2c device 3
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/gfp.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+#include <plat/regs-iic.h>
+#include <plat/iic.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+static struct resource s3c_i2c_resource[] = {
+	[0] = {
+		.start	= S3C_PA_IIC3,
+		.end	= S3C_PA_IIC3 + SZ_4K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_IIC3,
+		.end	= IRQ_IIC3,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device s3c_device_i2c3 = {
+	.name		= "s3c2440-i2c",
+	.id		= 3,
+	.num_resources	= ARRAY_SIZE(s3c_i2c_resource),
+	.resource	= s3c_i2c_resource,
+};
+
+static struct s3c2410_platform_i2c default_i2c_data3 __initdata = {
+	.flags		= 0,
+	.bus_num	= 3,
+	.slave_addr	= 0x10,
+	.frequency	= 100*1000,
+	.sda_delay	= 100,
+};
+
+void __init s3c_i2c3_set_platdata(struct s3c2410_platform_i2c *pd)
+{
+	struct s3c2410_platform_i2c *npd;
+
+	if (!pd)
+		pd = &default_i2c_data3;
+
+	npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL);
+	if (!npd)
+		printk(KERN_ERR "%s: no memory for platform data\n", __func__);
+	else if (!npd->cfg_gpio)
+		npd->cfg_gpio = s3c_i2c3_cfg_gpio;
+
+	s3c_device_i2c3.dev.platform_data = npd;
+}
diff --git a/arch/arm/plat-samsung/dev-i2c4.c b/arch/arm/plat-samsung/dev-i2c4.c
new file mode 100644
index 000000000000..df2159e2daa6
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-i2c4.c
@@ -0,0 +1,68 @@
+/* linux/arch/arm/plat-samsung/dev-i2c4.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P series device definition for i2c device 3
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/gfp.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+#include <plat/regs-iic.h>
+#include <plat/iic.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+static struct resource s3c_i2c_resource[] = {
+	[0] = {
+		.start	= S3C_PA_IIC4,
+		.end	= S3C_PA_IIC4 + SZ_4K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_IIC4,
+		.end	= IRQ_IIC4,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device s3c_device_i2c4 = {
+	.name		= "s3c2440-i2c",
+	.id		= 4,
+	.num_resources	= ARRAY_SIZE(s3c_i2c_resource),
+	.resource	= s3c_i2c_resource,
+};
+
+static struct s3c2410_platform_i2c default_i2c_data4 __initdata = {
+	.flags		= 0,
+	.bus_num	= 4,
+	.slave_addr	= 0x10,
+	.frequency	= 100*1000,
+	.sda_delay	= 100,
+};
+
+void __init s3c_i2c4_set_platdata(struct s3c2410_platform_i2c *pd)
+{
+	struct s3c2410_platform_i2c *npd;
+
+	if (!pd)
+		pd = &default_i2c_data4;
+
+	npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL);
+	if (!npd)
+		printk(KERN_ERR "%s: no memory for platform data\n", __func__);
+	else if (!npd->cfg_gpio)
+		npd->cfg_gpio = s3c_i2c4_cfg_gpio;
+
+	s3c_device_i2c4.dev.platform_data = npd;
+}
diff --git a/arch/arm/plat-samsung/dev-i2c5.c b/arch/arm/plat-samsung/dev-i2c5.c
new file mode 100644
index 000000000000..0499c2c3877b
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-i2c5.c
@@ -0,0 +1,68 @@
+/* linux/arch/arm/plat-samsung/dev-i2c3.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P series device definition for i2c device 3
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/gfp.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+#include <plat/regs-iic.h>
+#include <plat/iic.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+static struct resource s3c_i2c_resource[] = {
+	[0] = {
+		.start	= S3C_PA_IIC5,
+		.end	= S3C_PA_IIC5 + SZ_4K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_IIC5,
+		.end	= IRQ_IIC5,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device s3c_device_i2c5 = {
+	.name		= "s3c2440-i2c",
+	.id		= 5,
+	.num_resources	= ARRAY_SIZE(s3c_i2c_resource),
+	.resource	= s3c_i2c_resource,
+};
+
+static struct s3c2410_platform_i2c default_i2c_data5 __initdata = {
+	.flags		= 0,
+	.bus_num	= 5,
+	.slave_addr	= 0x10,
+	.frequency	= 100*1000,
+	.sda_delay	= 100,
+};
+
+void __init s3c_i2c5_set_platdata(struct s3c2410_platform_i2c *pd)
+{
+	struct s3c2410_platform_i2c *npd;
+
+	if (!pd)
+		pd = &default_i2c_data5;
+
+	npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL);
+	if (!npd)
+		printk(KERN_ERR "%s: no memory for platform data\n", __func__);
+	else if (!npd->cfg_gpio)
+		npd->cfg_gpio = s3c_i2c5_cfg_gpio;
+
+	s3c_device_i2c5.dev.platform_data = npd;
+}
diff --git a/arch/arm/plat-samsung/dev-i2c6.c b/arch/arm/plat-samsung/dev-i2c6.c
new file mode 100644
index 000000000000..4083108908a8
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-i2c6.c
@@ -0,0 +1,68 @@
+/* linux/arch/arm/plat-samsung/dev-i2c6.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P series device definition for i2c device 6
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/gfp.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+#include <plat/regs-iic.h>
+#include <plat/iic.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+static struct resource s3c_i2c_resource[] = {
+	[0] = {
+		.start	= S3C_PA_IIC6,
+		.end	= S3C_PA_IIC6 + SZ_4K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_IIC6,
+		.end	= IRQ_IIC6,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device s3c_device_i2c6 = {
+	.name		= "s3c2440-i2c",
+	.id		= 6,
+	.num_resources	= ARRAY_SIZE(s3c_i2c_resource),
+	.resource	= s3c_i2c_resource,
+};
+
+static struct s3c2410_platform_i2c default_i2c_data6 __initdata = {
+	.flags		= 0,
+	.bus_num	= 6,
+	.slave_addr	= 0x10,
+	.frequency	= 100*1000,
+	.sda_delay	= 100,
+};
+
+void __init s3c_i2c6_set_platdata(struct s3c2410_platform_i2c *pd)
+{
+	struct s3c2410_platform_i2c *npd;
+
+	if (!pd)
+		pd = &default_i2c_data6;
+
+	npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL);
+	if (!npd)
+		printk(KERN_ERR "%s: no memory for platform data\n", __func__);
+	else if (!npd->cfg_gpio)
+		npd->cfg_gpio = s3c_i2c6_cfg_gpio;
+
+	s3c_device_i2c6.dev.platform_data = npd;
+}
diff --git a/arch/arm/plat-samsung/dev-i2c7.c b/arch/arm/plat-samsung/dev-i2c7.c
new file mode 100644
index 000000000000..1182451d7dce
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-i2c7.c
@@ -0,0 +1,68 @@
+/* linux/arch/arm/plat-samsung/dev-i2c7.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P series device definition for i2c device 7
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/gfp.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+#include <plat/regs-iic.h>
+#include <plat/iic.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+static struct resource s3c_i2c_resource[] = {
+	[0] = {
+		.start	= S3C_PA_IIC7,
+		.end	= S3C_PA_IIC7 + SZ_4K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_IIC7,
+		.end	= IRQ_IIC7,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device s3c_device_i2c7 = {
+	.name		= "s3c2440-i2c",
+	.id		= 7,
+	.num_resources	= ARRAY_SIZE(s3c_i2c_resource),
+	.resource	= s3c_i2c_resource,
+};
+
+static struct s3c2410_platform_i2c default_i2c_data7 __initdata = {
+	.flags		= 0,
+	.bus_num	= 7,
+	.slave_addr	= 0x10,
+	.frequency	= 100*1000,
+	.sda_delay	= 100,
+};
+
+void __init s3c_i2c7_set_platdata(struct s3c2410_platform_i2c *pd)
+{
+	struct s3c2410_platform_i2c *npd;
+
+	if (!pd)
+		pd = &default_i2c_data7;
+
+	npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL);
+	if (!npd)
+		printk(KERN_ERR "%s: no memory for platform data\n", __func__);
+	else if (!npd->cfg_gpio)
+		npd->cfg_gpio = s3c_i2c7_cfg_gpio;
+
+	s3c_device_i2c7.dev.platform_data = npd;
+}
diff --git a/arch/arm/plat-samsung/gpio-config.c b/arch/arm/plat-samsung/gpio-config.c
index e3d41eaed1ff..b732b773b9af 100644
--- a/arch/arm/plat-samsung/gpio-config.c
+++ b/arch/arm/plat-samsung/gpio-config.c
@@ -41,6 +41,37 @@ int s3c_gpio_cfgpin(unsigned int pin, unsigned int config)
 }
 EXPORT_SYMBOL(s3c_gpio_cfgpin);
 
+int s3c_gpio_cfgpin_range(unsigned int start, unsigned int nr,
+			  unsigned int cfg)
+{
+	int ret;
+
+	for (; nr > 0; nr--, start++) {
+		ret = s3c_gpio_cfgpin(start, cfg);
+		if (ret != 0)
+			return ret;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(s3c_gpio_cfgpin_range);
+
+int s3c_gpio_cfgall_range(unsigned int start, unsigned int nr,
+			  unsigned int cfg, s3c_gpio_pull_t pull)
+{
+	int ret;
+
+	for (; nr > 0; nr--, start++) {
+		s3c_gpio_setpull(start, pull);
+		ret = s3c_gpio_cfgpin(start, cfg);
+		if (ret != 0)
+			return ret;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(s3c_gpio_cfgall_range);
+
 unsigned s3c_gpio_getcfg(unsigned int pin)
 {
 	struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
@@ -80,6 +111,25 @@ int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull)
 }
 EXPORT_SYMBOL(s3c_gpio_setpull);
 
+s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin)
+{
+	struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
+	unsigned long flags;
+	int offset;
+	u32 pup = 0;
+
+	if (chip) {
+		offset = pin - chip->chip.base;
+
+		s3c_gpio_lock(chip, flags);
+		pup = s3c_gpio_do_getpull(chip, offset);
+		s3c_gpio_unlock(chip, flags);
+	}
+
+	return (__force s3c_gpio_pull_t)pup;
+}
+EXPORT_SYMBOL(s3c_gpio_getpull);
+
 #ifdef CONFIG_S3C_GPIO_CFG_S3C24XX
 int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip,
 			      unsigned int off, unsigned int cfg)
diff --git a/arch/arm/plat-samsung/gpio.c b/arch/arm/plat-samsung/gpio.c
index b83a83351cea..7743c4b8b2fb 100644
--- a/arch/arm/plat-samsung/gpio.c
+++ b/arch/arm/plat-samsung/gpio.c
@@ -157,3 +157,11 @@ __init void s3c_gpiolib_add(struct s3c_gpio_chip *chip)
 	if (ret >= 0)
 		s3c_gpiolib_track(chip);
 }
+
+int samsung_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset)
+{
+	struct s3c_gpio_chip *s3c_chip = container_of(chip,
+			struct s3c_gpio_chip, chip);
+
+	return s3c_chip->irq_base + offset;
+}
diff --git a/arch/arm/plat-samsung/include/plat/audio.h b/arch/arm/plat-samsung/include/plat/audio.h
index e32f9edfd4b7..7712ff6336f4 100644
--- a/arch/arm/plat-samsung/include/plat/audio.h
+++ b/arch/arm/plat-samsung/include/plat/audio.h
@@ -16,6 +16,15 @@
 #define S3C64XX_AC97_GPE  1
 extern void s3c64xx_ac97_setup_gpio(int);
 
+/*
+ * The machine init code calls s5p*_spdif_setup_gpio with
+ * one of these defines in order to select appropriate bank
+ * of GPIO for S/PDIF pins
+ */
+#define S5PC100_SPDIF_GPD  0
+#define S5PC100_SPDIF_GPG3 1
+extern void s5pc100_spdif_setup_gpio(int);
+
 /**
  * struct s3c_audio_pdata - common platform data for audio device drivers
  * @cfg_gpio: Callback function to setup mux'ed pins in I2S/PCM/AC97 mode
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index c8b94279bad1..2d82a6cb1444 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -48,6 +48,11 @@ extern struct platform_device s3c_device_wdt;
 extern struct platform_device s3c_device_i2c0;
 extern struct platform_device s3c_device_i2c1;
 extern struct platform_device s3c_device_i2c2;
+extern struct platform_device s3c_device_i2c3;
+extern struct platform_device s3c_device_i2c4;
+extern struct platform_device s3c_device_i2c5;
+extern struct platform_device s3c_device_i2c6;
+extern struct platform_device s3c_device_i2c7;
 extern struct platform_device s3c_device_rtc;
 extern struct platform_device s3c_device_adc;
 extern struct platform_device s3c_device_sdi;
@@ -89,6 +94,7 @@ extern struct platform_device s5pv210_device_pcm2;
 extern struct platform_device s5pv210_device_iis0;
 extern struct platform_device s5pv210_device_iis1;
 extern struct platform_device s5pv210_device_iis2;
+extern struct platform_device s5pv210_device_spdif;
 
 extern struct platform_device s5p6442_device_pcm0;
 extern struct platform_device s5p6442_device_pcm1;
@@ -108,6 +114,7 @@ extern struct platform_device s5pc100_device_pcm1;
 extern struct platform_device s5pc100_device_iis0;
 extern struct platform_device s5pc100_device_iis1;
 extern struct platform_device s5pc100_device_iis2;
+extern struct platform_device s5pc100_device_spdif;
 
 extern struct platform_device samsung_device_keypad;
 
diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
index 3e21c75feefa..8fd65d8b5863 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
@@ -42,6 +42,12 @@ static inline int s3c_gpio_do_setpull(struct s3c_gpio_chip *chip,
 	return (chip->config->set_pull)(chip, off, pull);
 }
 
+static inline s3c_gpio_pull_t s3c_gpio_do_getpull(struct s3c_gpio_chip *chip,
+						  unsigned int off)
+{
+	return chip->config->get_pull(chip, off);
+}
+
 /**
  * s3c_gpio_setcfg_s3c24xx - S3C24XX style GPIO configuration.
  * @chip: The gpio chip that is being configured.
diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg.h b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
index 1c6b92947c5d..e4b5cf126fa9 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-cfg.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
@@ -108,6 +108,19 @@ extern int s3c_gpio_cfgpin(unsigned int pin, unsigned int to);
  */
 extern unsigned s3c_gpio_getcfg(unsigned int pin);
 
+/**
+ * s3c_gpio_cfgpin_range() - Change the GPIO function for configuring pin range
+ * @start: The pin number to start at
+ * @nr: The number of pins to configure from @start.
+ * @cfg: The configuration for the pin's function
+ *
+ * Call s3c_gpio_cfgpin() for the @nr pins starting at @start.
+ *
+ * @sa s3c_gpio_cfgpin.
+ */
+extern int s3c_gpio_cfgpin_range(unsigned int start, unsigned int nr,
+				 unsigned int cfg);
+
 /* Define values for the pull-{up,down} available for each gpio pin.
  *
  * These values control the state of the weak pull-{up,down} resistors
@@ -140,6 +153,31 @@ extern int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull);
 */
 extern s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin);
 
+/* configure `all` aspects of an gpio */
+
+/**
+ * s3c_gpio_cfgall_range() - configure range of gpio functtion and pull.
+ * @start: The gpio number to start at.
+ * @nr: The number of gpio to configure from @start.
+ * @cfg: The configuration to use
+ * @pull: The pull setting to use.
+ *
+ * Run s3c_gpio_cfgpin() and s3c_gpio_setpull() over the gpio range starting
+ * @gpio and running for @size.
+ *
+ * @sa s3c_gpio_cfgpin
+ * @sa s3c_gpio_setpull
+ * @sa s3c_gpio_cfgpin_range
+ */
+extern int s3c_gpio_cfgall_range(unsigned int start, unsigned int nr,
+				 unsigned int cfg, s3c_gpio_pull_t pull);
+
+static inline int s3c_gpio_cfgrange_nopull(unsigned int pin, unsigned int size,
+					   unsigned int cfg)
+{
+	return s3c_gpio_cfgall_range(pin, size, cfg, S3C_GPIO_PULL_NONE);
+}
+
 /* Define values for the drvstr available for each gpio pin.
  *
  * These values control the value of the output signal driver strength,
@@ -169,4 +207,22 @@ extern s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin);
 */
 extern int s5p_gpio_set_drvstr(unsigned int pin, s5p_gpio_drvstr_t drvstr);
 
+/**
+ * s5p_register_gpio_interrupt() - register interrupt support for a gpio group
+ * @pin: The pin number from the group to be registered
+ *
+ * This function registers gpio interrupt support for the group that the
+ * specified pin belongs to.
+ *
+ * The total number of gpio pins is quite large ob s5p series. Registering
+ * irq support for all of them would be a resource waste. Because of that the
+ * interrupt support for standard gpio pins is registered dynamically.
+ *
+ * It will return the irq number of the interrupt that has been registered
+ * or -ENOMEM if no more gpio interrupts can be registered. It is allowed
+ * to call this function more than once for the same gpio group (the group
+ * will be registered only once).
+ */
+extern int s5p_register_gpio_interrupt(int pin);
+
 #endif /* __PLAT_GPIO_CFG_H */
diff --git a/arch/arm/plat-samsung/include/plat/gpio-core.h b/arch/arm/plat-samsung/include/plat/gpio-core.h
index e358c7da8480..13a22b8861ef 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-core.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-core.h
@@ -43,6 +43,8 @@ struct s3c_gpio_cfg;
  * struct s3c_gpio_chip - wrapper for specific implementation of gpio
  * @chip: The chip structure to be exported via gpiolib.
  * @base: The base pointer to the gpio configuration registers.
+ * @group: The group register number for gpio interrupt support.
+ * @irq_base: The base irq number.
  * @config: special function and pull-resistor control information.
  * @lock: Lock for exclusive access to this gpio bank.
  * @pm_save: Save information for suspend/resume support.
@@ -63,6 +65,8 @@ struct s3c_gpio_chip {
 	struct s3c_gpio_cfg	*config;
 	struct s3c_gpio_pm	*pm;
 	void __iomem		*base;
+	int			irq_base;
+	int			group;
 	spinlock_t		 lock;
 #ifdef CONFIG_PM
 	u32			pm_save[4];
@@ -118,6 +122,17 @@ extern void samsung_gpiolib_add_4bit2_chips(struct s3c_gpio_chip *chip,
 extern void samsung_gpiolib_add_4bit(struct s3c_gpio_chip *chip);
 extern void samsung_gpiolib_add_4bit2(struct s3c_gpio_chip *chip);
 
+
+/**
+ * samsung_gpiolib_to_irq - convert gpio pin to irq number
+ * @chip: The gpio chip that the pin belongs to.
+ * @offset: The offset of the pin in the chip.
+ *
+ * This helper returns the irq number calculated from the chip->irq_base and
+ * the provided offset.
+ */
+extern int samsung_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset);
+
 /* exported for core SoC support to change */
 extern struct s3c_gpio_cfg s3c24xx_gpiocfg_default;
 
diff --git a/arch/arm/plat-samsung/include/plat/iic.h b/arch/arm/plat-samsung/include/plat/iic.h
index 133308bf595d..1543da8f85c1 100644
--- a/arch/arm/plat-samsung/include/plat/iic.h
+++ b/arch/arm/plat-samsung/include/plat/iic.h
@@ -55,10 +55,20 @@ struct s3c2410_platform_i2c {
 extern void s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *i2c);
 extern void s3c_i2c1_set_platdata(struct s3c2410_platform_i2c *i2c);
 extern void s3c_i2c2_set_platdata(struct s3c2410_platform_i2c *i2c);
+extern void s3c_i2c3_set_platdata(struct s3c2410_platform_i2c *i2c);
+extern void s3c_i2c4_set_platdata(struct s3c2410_platform_i2c *i2c);
+extern void s3c_i2c5_set_platdata(struct s3c2410_platform_i2c *i2c);
+extern void s3c_i2c6_set_platdata(struct s3c2410_platform_i2c *i2c);
+extern void s3c_i2c7_set_platdata(struct s3c2410_platform_i2c *i2c);
 
 /* defined by architecture to configure gpio */
 extern void s3c_i2c0_cfg_gpio(struct platform_device *dev);
 extern void s3c_i2c1_cfg_gpio(struct platform_device *dev);
 extern void s3c_i2c2_cfg_gpio(struct platform_device *dev);
+extern void s3c_i2c3_cfg_gpio(struct platform_device *dev);
+extern void s3c_i2c4_cfg_gpio(struct platform_device *dev);
+extern void s3c_i2c5_cfg_gpio(struct platform_device *dev);
+extern void s3c_i2c6_cfg_gpio(struct platform_device *dev);
+extern void s3c_i2c7_cfg_gpio(struct platform_device *dev);
 
 #endif /* __ASM_ARCH_IIC_H */
diff --git a/arch/arm/plat-samsung/include/plat/map-base.h b/arch/arm/plat-samsung/include/plat/map-base.h
index 250be311c85b..3ffac4d2e4f0 100644
--- a/arch/arm/plat-samsung/include/plat/map-base.h
+++ b/arch/arm/plat-samsung/include/plat/map-base.h
@@ -14,7 +14,7 @@
 #ifndef __ASM_PLAT_MAP_H
 #define __ASM_PLAT_MAP_H __FILE__
 
-/* Fit all our registers in at 0xF4000000 upwards, trying to use as
+/* Fit all our registers in at 0xF6000000 upwards, trying to use as
  * little of the VA space as possible so vmalloc and friends have a
  * better chance of getting memory.
  *
@@ -22,7 +22,7 @@
  * an single MOVS instruction (ie, only 8 bits of set data)
  */
 
-#define S3C_ADDR_BASE	(0xF4000000)
+#define S3C_ADDR_BASE	0xF6000000
 
 #ifndef __ASSEMBLY__
 #define S3C_ADDR(x)	((void __iomem __force *)S3C_ADDR_BASE + (x))
diff --git a/arch/arm/plat-samsung/include/plat/nand-core.h b/arch/arm/plat-samsung/include/plat/nand-core.h
new file mode 100644
index 000000000000..6de20789a95e
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/nand-core.h
@@ -0,0 +1,28 @@
+/* arch/arm/plat-samsung/include/plat/nand-core.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S3C -  Nand Controller core functions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_NAND_CORE_H
+#define __ASM_ARCH_NAND_CORE_H __FILE__
+
+/* These functions are only for use with the core support code, such as
+ * the cpu specific initialisation code
+ */
+
+/* re-define device name depending on support. */
+static inline void s3c_nand_setname(char *name)
+{
+#ifdef CONFIG_S3C_DEV_NAND
+	s3c_device_nand.name = name;
+#endif
+}
+
+#endif /* __ASM_ARCH_NAND_CORE_H */
diff --git a/arch/arm/plat-samsung/include/plat/sdhci.h b/arch/arm/plat-samsung/include/plat/sdhci.h
index 30844c263d03..85853f8c4c5d 100644
--- a/arch/arm/plat-samsung/include/plat/sdhci.h
+++ b/arch/arm/plat-samsung/include/plat/sdhci.h
@@ -28,11 +28,17 @@ enum cd_types {
 	S3C_SDHCI_CD_PERMANENT,	/* no CD line, card permanently wired to host */
 };
 
+enum clk_types {
+	S3C_SDHCI_CLK_DIV_INTERNAL,	/* use mmc internal clock divider */
+	S3C_SDHCI_CLK_DIV_EXTERNAL,	/* use external clock divider */
+};
+
 /**
  * struct s3c_sdhci_platdata() - Platform device data for Samsung SDHCI
  * @max_width: The maximum number of data bits supported.
  * @host_caps: Standard MMC host capabilities bit field.
  * @cd_type: Type of Card Detection method (see cd_types enum above)
+ * @clk_type: Type of clock divider method (see clk_types enum above)
  * @ext_cd_init: Initialize external card detect subsystem. Called on
  *		 sdhci-s3c driver probe when cd_type == S3C_SDHCI_CD_EXTERNAL.
  *		 notify_func argument is a callback to the sdhci-s3c driver
@@ -59,6 +65,7 @@ struct s3c_sdhci_platdata {
 	unsigned int	max_width;
 	unsigned int	host_caps;
 	enum cd_types	cd_type;
+	enum clk_types	clk_type;
 
 	char		**clocks;	/* set of clock sources */
 
@@ -110,6 +117,10 @@ extern void s5pv210_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
 extern void s5pv210_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
 extern void s5pv210_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
 extern void s5pv210_setup_sdhci3_cfg_gpio(struct platform_device *, int w);
+extern void s5pv310_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
+extern void s5pv310_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
+extern void s5pv310_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
+extern void s5pv310_setup_sdhci3_cfg_gpio(struct platform_device *, int w);
 
 /* S3C64XX SDHCI setup */
 
@@ -288,4 +299,57 @@ static inline void s5pv210_default_sdhci3(void) { }
 
 #endif /* CONFIG_S5PV210_SETUP_SDHCI */
 
+/* S5PV310 SDHCI setup */
+#ifdef CONFIG_S5PV310_SETUP_SDHCI
+extern char *s5pv310_hsmmc_clksrcs[4];
+
+extern void s5pv310_setup_sdhci_cfg_card(struct platform_device *dev,
+					   void __iomem *r,
+					   struct mmc_ios *ios,
+					   struct mmc_card *card);
+
+static inline void s5pv310_default_sdhci0(void)
+{
+#ifdef CONFIG_S3C_DEV_HSMMC
+	s3c_hsmmc0_def_platdata.clocks = s5pv310_hsmmc_clksrcs;
+	s3c_hsmmc0_def_platdata.cfg_gpio = s5pv310_setup_sdhci0_cfg_gpio;
+	s3c_hsmmc0_def_platdata.cfg_card = s5pv310_setup_sdhci_cfg_card;
+#endif
+}
+
+static inline void s5pv310_default_sdhci1(void)
+{
+#ifdef CONFIG_S3C_DEV_HSMMC1
+	s3c_hsmmc1_def_platdata.clocks = s5pv310_hsmmc_clksrcs;
+	s3c_hsmmc1_def_platdata.cfg_gpio = s5pv310_setup_sdhci1_cfg_gpio;
+	s3c_hsmmc1_def_platdata.cfg_card = s5pv310_setup_sdhci_cfg_card;
+#endif
+}
+
+static inline void s5pv310_default_sdhci2(void)
+{
+#ifdef CONFIG_S3C_DEV_HSMMC2
+	s3c_hsmmc2_def_platdata.clocks = s5pv310_hsmmc_clksrcs;
+	s3c_hsmmc2_def_platdata.cfg_gpio = s5pv310_setup_sdhci2_cfg_gpio;
+	s3c_hsmmc2_def_platdata.cfg_card = s5pv310_setup_sdhci_cfg_card;
+#endif
+}
+
+static inline void s5pv310_default_sdhci3(void)
+{
+#ifdef CONFIG_S3C_DEV_HSMMC3
+	s3c_hsmmc3_def_platdata.clocks = s5pv310_hsmmc_clksrcs;
+	s3c_hsmmc3_def_platdata.cfg_gpio = s5pv310_setup_sdhci3_cfg_gpio;
+	s3c_hsmmc3_def_platdata.cfg_card = s5pv310_setup_sdhci_cfg_card;
+#endif
+}
+
+#else
+static inline void s5pv310_default_sdhci0(void) { }
+static inline void s5pv310_default_sdhci1(void) { }
+static inline void s5pv310_default_sdhci2(void) { }
+static inline void s5pv310_default_sdhci3(void) { }
+
+#endif /* CONFIG_S5PV310_SETUP_SDHCI */
+
 #endif /* __PLAT_S3C_SDHCI_H */
diff --git a/arch/arm/plat-samsung/pm-gpio.c b/arch/arm/plat-samsung/pm-gpio.c
index 7df03f87fbfa..96528200eb79 100644
--- a/arch/arm/plat-samsung/pm-gpio.c
+++ b/arch/arm/plat-samsung/pm-gpio.c
@@ -192,7 +192,7 @@ struct s3c_gpio_pm s3c_gpio_pm_2bit = {
 	.resume = s3c_gpio_pm_2bit_resume,
 };
 
-#ifdef CONFIG_ARCH_S3C64XX
+#if defined(CONFIG_ARCH_S3C64XX) || defined(CONFIG_PLAT_S5P)
 static void s3c_gpio_pm_4bit_save(struct s3c_gpio_chip *chip)
 {
 	chip->pm_save[1] = __raw_readl(chip->base + OFFS_CON);
@@ -302,7 +302,7 @@ struct s3c_gpio_pm s3c_gpio_pm_4bit = {
 	.save	= s3c_gpio_pm_4bit_save,
 	.resume = s3c_gpio_pm_4bit_resume,
 };
-#endif /* CONFIG_ARCH_S3C64XX */
+#endif /* CONFIG_ARCH_S3C64XX || CONFIG_PLAT_S5P */
 
 /**
  * s3c_pm_save_gpio() - save gpio chip data for suspend
diff --git a/arch/arm/plat-samsung/s3c-pl330.c b/arch/arm/plat-samsung/s3c-pl330.c
index a91305a60aed..b4ff8d74ac40 100644
--- a/arch/arm/plat-samsung/s3c-pl330.c
+++ b/arch/arm/plat-samsung/s3c-pl330.c
@@ -15,6 +15,8 @@
 #include <linux/io.h>
 #include <linux/slab.h>
 #include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/err.h>
 
 #include <asm/hardware/pl330.h>
 
@@ -27,6 +29,7 @@
  * @node: To attach to the global list of DMACs.
  * @pi: PL330 configuration info for the DMAC.
  * @kmcache: Pool to quickly allocate xfers for all channels in the dmac.
+ * @clk: Pointer of DMAC operation clock.
  */
 struct s3c_pl330_dmac {
 	unsigned		busy_chan;
@@ -34,6 +37,7 @@ struct s3c_pl330_dmac {
 	struct list_head	node;
 	struct pl330_info	*pi;
 	struct kmem_cache	*kmcache;
+	struct clk		*clk;
 };
 
 /**
@@ -1072,16 +1076,25 @@ static int pl330_probe(struct platform_device *pdev)
 	if (ret)
 		goto probe_err4;
 
-	ret = pl330_add(pl330_info);
-	if (ret)
-		goto probe_err5;
-
 	/* Allocate a new DMAC */
 	s3c_pl330_dmac = kmalloc(sizeof(*s3c_pl330_dmac), GFP_KERNEL);
 	if (!s3c_pl330_dmac) {
 		ret = -ENOMEM;
+		goto probe_err5;
+	}
+
+	/* Get operation clock and enable it */
+	s3c_pl330_dmac->clk = clk_get(&pdev->dev, "pdma");
+	if (IS_ERR(s3c_pl330_dmac->clk)) {
+		dev_err(&pdev->dev, "Cannot get operation clock.\n");
+		ret = -EINVAL;
 		goto probe_err6;
 	}
+	clk_enable(s3c_pl330_dmac->clk);
+
+	ret = pl330_add(pl330_info);
+	if (ret)
+		goto probe_err7;
 
 	/* Hook the info */
 	s3c_pl330_dmac->pi = pl330_info;
@@ -1094,7 +1107,7 @@ static int pl330_probe(struct platform_device *pdev)
 
 	if (!s3c_pl330_dmac->kmcache) {
 		ret = -ENOMEM;
-		goto probe_err7;
+		goto probe_err8;
 	}
 
 	/* Get the list of peripherals */
@@ -1120,10 +1133,13 @@ static int pl330_probe(struct platform_device *pdev)
 
 	return 0;
 
+probe_err8:
+	pl330_del(pl330_info);
 probe_err7:
-	kfree(s3c_pl330_dmac);
+	clk_disable(s3c_pl330_dmac->clk);
+	clk_put(s3c_pl330_dmac->clk);
 probe_err6:
-	pl330_del(pl330_info);
+	kfree(s3c_pl330_dmac);
 probe_err5:
 	free_irq(irq, pl330_info);
 probe_err4:
@@ -1188,6 +1204,10 @@ static int pl330_remove(struct platform_device *pdev)
 		}
 	}
 
+	/* Disable operation clock */
+	clk_disable(dmac->clk);
+	clk_put(dmac->clk);
+
 	/* Remove the DMAC */
 	list_del(&dmac->node);
 	kfree(dmac);