diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile
index 9811f87..5fc6cfd 100644
--- a/arch/arm/mach-exynos/Makefile
+++ b/arch/arm/mach-exynos/Makefile
@@ -37,7 +37,4 @@ obj-$(CONFIG_MACH_EXYNOS5_DT)		+= mach-exynos5-dt.o
 
 # device support
 
-obj-y					+= dev-uart.o
-obj-$(CONFIG_ARCH_EXYNOS4)		+= dev-audio.o
-
 obj-$(CONFIG_ARCH_EXYNOS)		+= setup-i2c0.o
diff --git a/arch/arm/mach-exynos/dev-audio.c b/arch/arm/mach-exynos/dev-audio.c
deleted file mode 100644
index c662c89..0000000
--- a/arch/arm/mach-exynos/dev-audio.c
+++ /dev/null
@@ -1,254 +0,0 @@
-/* linux/arch/arm/mach-exynos4/dev-audio.c
- *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com
- *
- * Copyright (c) 2010 Samsung Electronics Co. Ltd
- *	Jaswinder Singh <jassi.brar@samsung.com>
- *
- * 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/platform_device.h>
-#include <linux/dma-mapping.h>
-#include <linux/gpio.h>
-#include <linux/platform_data/asoc-s3c.h>
-
-#include <plat/gpio-cfg.h>
-
-#include <mach/map.h>
-#include <mach/dma.h>
-#include <mach/irqs.h>
-
-#define EXYNOS4_AUDSS_INT_MEM	(0x03000000)
-
-static int exynos4_cfg_i2s(struct platform_device *pdev)
-{
-	/* configure GPIO for i2s port */
-	switch (pdev->id) {
-	case 0:
-		s3c_gpio_cfgpin_range(EXYNOS4_GPZ(0), 7, S3C_GPIO_SFN(2));
-		break;
-	case 1:
-		s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(2));
-		break;
-	case 2:
-		s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 5, S3C_GPIO_SFN(4));
-		break;
-	default:
-		printk(KERN_ERR "Invalid Device %d\n", pdev->id);
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static struct s3c_audio_pdata i2sv5_pdata = {
-	.cfg_gpio = exynos4_cfg_i2s,
-	.type = {
-		.i2s = {
-			.quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI
-					 | QUIRK_NEED_RSTCLR,
-			.idma_addr = EXYNOS4_AUDSS_INT_MEM,
-		},
-	},
-};
-
-static struct resource exynos4_i2s0_resource[] = {
-	[0] = DEFINE_RES_MEM(EXYNOS4_PA_I2S0, SZ_256),
-	[1] = DEFINE_RES_DMA(DMACH_I2S0_TX),
-	[2] = DEFINE_RES_DMA(DMACH_I2S0_RX),
-	[3] = DEFINE_RES_DMA(DMACH_I2S0S_TX),
-};
-
-struct platform_device exynos4_device_i2s0 = {
-	.name = "samsung-i2s",
-	.id = 0,
-	.num_resources = ARRAY_SIZE(exynos4_i2s0_resource),
-	.resource = exynos4_i2s0_resource,
-	.dev = {
-		.platform_data = &i2sv5_pdata,
-	},
-};
-
-static struct s3c_audio_pdata i2sv3_pdata = {
-	.cfg_gpio = exynos4_cfg_i2s,
-	.type = {
-		.i2s = {
-			.quirks = QUIRK_NO_MUXPSR,
-		},
-	},
-};
-
-static struct resource exynos4_i2s1_resource[] = {
-	[0] = DEFINE_RES_MEM(EXYNOS4_PA_I2S1, SZ_256),
-	[1] = DEFINE_RES_DMA(DMACH_I2S1_TX),
-	[2] = DEFINE_RES_DMA(DMACH_I2S1_RX),
-};
-
-struct platform_device exynos4_device_i2s1 = {
-	.name = "samsung-i2s",
-	.id = 1,
-	.num_resources = ARRAY_SIZE(exynos4_i2s1_resource),
-	.resource = exynos4_i2s1_resource,
-	.dev = {
-		.platform_data = &i2sv3_pdata,
-	},
-};
-
-static struct resource exynos4_i2s2_resource[] = {
-	[0] = DEFINE_RES_MEM(EXYNOS4_PA_I2S2, SZ_256),
-	[1] = DEFINE_RES_DMA(DMACH_I2S2_TX),
-	[2] = DEFINE_RES_DMA(DMACH_I2S2_RX),
-};
-
-struct platform_device exynos4_device_i2s2 = {
-	.name = "samsung-i2s",
-	.id = 2,
-	.num_resources = ARRAY_SIZE(exynos4_i2s2_resource),
-	.resource = exynos4_i2s2_resource,
-	.dev = {
-		.platform_data = &i2sv3_pdata,
-	},
-};
-
-/* PCM Controller platform_devices */
-
-static int exynos4_pcm_cfg_gpio(struct platform_device *pdev)
-{
-	switch (pdev->id) {
-	case 0:
-		s3c_gpio_cfgpin_range(EXYNOS4_GPZ(0), 5, S3C_GPIO_SFN(3));
-		break;
-	case 1:
-		s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(3));
-		break;
-	case 2:
-		s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 5, S3C_GPIO_SFN(3));
-		break;
-	default:
-		printk(KERN_DEBUG "Invalid PCM Controller number!");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static struct s3c_audio_pdata s3c_pcm_pdata = {
-	.cfg_gpio = exynos4_pcm_cfg_gpio,
-};
-
-static struct resource exynos4_pcm0_resource[] = {
-	[0] = DEFINE_RES_MEM(EXYNOS4_PA_PCM0, SZ_256),
-	[1] = DEFINE_RES_DMA(DMACH_PCM0_TX),
-	[2] = DEFINE_RES_DMA(DMACH_PCM0_RX),
-};
-
-struct platform_device exynos4_device_pcm0 = {
-	.name = "samsung-pcm",
-	.id = 0,
-	.num_resources = ARRAY_SIZE(exynos4_pcm0_resource),
-	.resource = exynos4_pcm0_resource,
-	.dev = {
-		.platform_data = &s3c_pcm_pdata,
-	},
-};
-
-static struct resource exynos4_pcm1_resource[] = {
-	[0] = DEFINE_RES_MEM(EXYNOS4_PA_PCM1, SZ_256),
-	[1] = DEFINE_RES_DMA(DMACH_PCM1_TX),
-	[2] = DEFINE_RES_DMA(DMACH_PCM1_RX),
-};
-
-struct platform_device exynos4_device_pcm1 = {
-	.name = "samsung-pcm",
-	.id = 1,
-	.num_resources = ARRAY_SIZE(exynos4_pcm1_resource),
-	.resource = exynos4_pcm1_resource,
-	.dev = {
-		.platform_data = &s3c_pcm_pdata,
-	},
-};
-
-static struct resource exynos4_pcm2_resource[] = {
-	[0] = DEFINE_RES_MEM(EXYNOS4_PA_PCM2, SZ_256),
-	[1] = DEFINE_RES_DMA(DMACH_PCM2_TX),
-	[2] = DEFINE_RES_DMA(DMACH_PCM2_RX),
-};
-
-struct platform_device exynos4_device_pcm2 = {
-	.name = "samsung-pcm",
-	.id = 2,
-	.num_resources = ARRAY_SIZE(exynos4_pcm2_resource),
-	.resource = exynos4_pcm2_resource,
-	.dev = {
-		.platform_data = &s3c_pcm_pdata,
-	},
-};
-
-/* AC97 Controller platform devices */
-
-static int exynos4_ac97_cfg_gpio(struct platform_device *pdev)
-{
-	return s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(4));
-}
-
-static struct resource exynos4_ac97_resource[] = {
-	[0] = DEFINE_RES_MEM(EXYNOS4_PA_AC97, SZ_256),
-	[1] = DEFINE_RES_DMA(DMACH_AC97_PCMOUT),
-	[2] = DEFINE_RES_DMA(DMACH_AC97_PCMIN),
-	[3] = DEFINE_RES_DMA(DMACH_AC97_MICIN),
-	[4] = DEFINE_RES_IRQ(EXYNOS4_IRQ_AC97),
-};
-
-static struct s3c_audio_pdata s3c_ac97_pdata = {
-	.cfg_gpio = exynos4_ac97_cfg_gpio,
-};
-
-static u64 exynos4_ac97_dmamask = DMA_BIT_MASK(32);
-
-struct platform_device exynos4_device_ac97 = {
-	.name = "samsung-ac97",
-	.id = -1,
-	.num_resources = ARRAY_SIZE(exynos4_ac97_resource),
-	.resource = exynos4_ac97_resource,
-	.dev = {
-		.platform_data = &s3c_ac97_pdata,
-		.dma_mask = &exynos4_ac97_dmamask,
-		.coherent_dma_mask = DMA_BIT_MASK(32),
-	},
-};
-
-/* S/PDIF Controller platform_device */
-
-static int exynos4_spdif_cfg_gpio(struct platform_device *pdev)
-{
-	s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 2, S3C_GPIO_SFN(4));
-
-	return 0;
-}
-
-static struct resource exynos4_spdif_resource[] = {
-	[0] = DEFINE_RES_MEM(EXYNOS4_PA_SPDIF, SZ_256),
-	[1] = DEFINE_RES_DMA(DMACH_SPDIF),
-};
-
-static struct s3c_audio_pdata samsung_spdif_pdata = {
-	.cfg_gpio = exynos4_spdif_cfg_gpio,
-};
-
-static u64 exynos4_spdif_dmamask = DMA_BIT_MASK(32);
-
-struct platform_device exynos4_device_spdif = {
-	.name = "samsung-spdif",
-	.id = -1,
-	.num_resources = ARRAY_SIZE(exynos4_spdif_resource),
-	.resource = exynos4_spdif_resource,
-	.dev = {
-		.platform_data = &samsung_spdif_pdata,
-		.dma_mask = &exynos4_spdif_dmamask,
-		.coherent_dma_mask = DMA_BIT_MASK(32),
-	},
-};
diff --git a/arch/arm/mach-exynos/dev-uart.c b/arch/arm/mach-exynos/dev-uart.c
deleted file mode 100644
index c48aff0..0000000
--- a/arch/arm/mach-exynos/dev-uart.c
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright (c) 2012 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com
- *
- * Base EXYNOS UART resource and device definitions
- *
- * 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/kernel.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/list.h>
-#include <linux/ioport.h>
-#include <linux/platform_device.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/irq.h>
-#include <mach/hardware.h>
-#include <mach/map.h>
-#include <mach/irqs.h>
-
-#include <plat/devs.h>
-
-#define EXYNOS_UART_RESOURCE(_series, _nr)	\
-static struct resource exynos##_series##_uart##_nr##_resource[] = {	\
-	[0] = DEFINE_RES_MEM(EXYNOS##_series##_PA_UART##_nr, EXYNOS##_series##_SZ_UART),	\
-	[1] = DEFINE_RES_IRQ(EXYNOS##_series##_IRQ_UART##_nr),	\
-};
-
-EXYNOS_UART_RESOURCE(4, 0)
-EXYNOS_UART_RESOURCE(4, 1)
-EXYNOS_UART_RESOURCE(4, 2)
-EXYNOS_UART_RESOURCE(4, 3)
-
-struct s3c24xx_uart_resources exynos4_uart_resources[] __initdata = {
-	[0] = {
-		.resources	= exynos4_uart0_resource,
-		.nr_resources	= ARRAY_SIZE(exynos4_uart0_resource),
-	},
-	[1] = {
-		.resources	= exynos4_uart1_resource,
-		.nr_resources	= ARRAY_SIZE(exynos4_uart1_resource),
-	},
-	[2] = {
-		.resources	= exynos4_uart2_resource,
-		.nr_resources	= ARRAY_SIZE(exynos4_uart2_resource),
-	},
-	[3] = {
-		.resources	= exynos4_uart3_resource,
-		.nr_resources	= ARRAY_SIZE(exynos4_uart3_resource),
-	},
-};
diff --git a/arch/arm/mach-exynos/setup-fimc.c b/arch/arm/mach-exynos/setup-fimc.c
deleted file mode 100644
index 6a45078..0000000
--- a/arch/arm/mach-exynos/setup-fimc.c
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Copyright (C) 2011 Samsung Electronics Co., Ltd.
- *
- * Exynos4 camera interface GPIO configuration.
- *
- * 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/gpio.h>
-#include <plat/gpio-cfg.h>
-#include <plat/camport.h>
-
-int exynos4_fimc_setup_gpio(enum s5p_camport_id id)
-{
-	u32 gpio8, gpio5;
-	u32 sfn;
-	int ret;
-
-	switch (id) {
-	case S5P_CAMPORT_A:
-		gpio8 = EXYNOS4_GPJ0(0); /* PCLK, VSYNC, HREF, DATA[0:4] */
-		gpio5 = EXYNOS4_GPJ1(0); /* DATA[5:7], CLKOUT, FIELD */
-		sfn = S3C_GPIO_SFN(2);
-		break;
-
-	case S5P_CAMPORT_B:
-		gpio8 = EXYNOS4_GPE0(0); /* DATA[0:7] */
-		gpio5 = EXYNOS4_GPE1(0); /* PCLK, VSYNC, HREF, CLKOUT, FIELD */
-		sfn = S3C_GPIO_SFN(3);
-		break;
-
-	default:
-		WARN(1, "Wrong camport id: %d\n", id);
-		return -EINVAL;
-	}
-
-	ret = s3c_gpio_cfgall_range(gpio8, 8, sfn, S3C_GPIO_PULL_UP);
-	if (ret)
-		return ret;
-
-	return s3c_gpio_cfgall_range(gpio5, 5, sfn, S3C_GPIO_PULL_UP);
-}
diff --git a/arch/arm/mach-exynos/setup-fimd0.c b/arch/arm/mach-exynos/setup-fimd0.c
deleted file mode 100644
index 5665bb4..0000000
--- a/arch/arm/mach-exynos/setup-fimd0.c
+++ /dev/null
@@ -1,43 +0,0 @@
-/* linux/arch/arm/mach-exynos4/setup-fimd0.c
- *
- * Copyright (c) 2009-2011 Samsung Electronics Co., Ltd.
- *             http://www.samsung.com
- *
- * Base Exynos4 FIMD 0 configuration
- *
- * 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/fb.h>
-#include <linux/gpio.h>
-
-#include <video/samsung_fimd.h>
-#include <plat/gpio-cfg.h>
-
-#include <mach/map.h>
-
-void exynos4_fimd0_gpio_setup_24bpp(void)
-{
-	unsigned int reg;
-
-	s3c_gpio_cfgrange_nopull(EXYNOS4_GPF0(0), 8, S3C_GPIO_SFN(2));
-	s3c_gpio_cfgrange_nopull(EXYNOS4_GPF1(0), 8, S3C_GPIO_SFN(2));
-	s3c_gpio_cfgrange_nopull(EXYNOS4_GPF2(0), 8, S3C_GPIO_SFN(2));
-	s3c_gpio_cfgrange_nopull(EXYNOS4_GPF3(0), 4, S3C_GPIO_SFN(2));
-
-	/*
-	 * Set DISPLAY_CONTROL register for Display path selection.
-	 *
-	 * DISPLAY_CONTROL[1:0]
-	 * ---------------------
-	 *  00 | MIE
-	 *  01 | MDINE
-	 *  10 | FIMD : selected
-	 *  11 | FIMD
-	 */
-	reg = __raw_readl(S3C_VA_SYS + 0x0210);
-	reg |= (1 << 1);
-	__raw_writel(reg, S3C_VA_SYS + 0x0210);
-}
diff --git a/arch/arm/mach-exynos/setup-i2c0.c b/arch/arm/mach-exynos/setup-i2c0.c
index e2d9dfb..ede6ceb 100644
--- a/arch/arm/mach-exynos/setup-i2c0.c
+++ b/arch/arm/mach-exynos/setup-i2c0.c
@@ -13,17 +13,7 @@
 
 struct platform_device; /* don't need the contents */
 
-#include <linux/gpio.h>
-#include <linux/platform_data/i2c-s3c2410.h>
-#include <plat/gpio-cfg.h>
-#include <plat/cpu.h>
-
 void s3c_i2c0_cfg_gpio(struct platform_device *dev)
 {
-	if (soc_is_exynos5250() || soc_is_exynos5440())
-		/* will be implemented with gpio function */
-		return;
 
-	s3c_gpio_cfgall_range(EXYNOS4_GPD1(0), 2,
-			      S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
 }
diff --git a/arch/arm/mach-exynos/setup-i2c1.c b/arch/arm/mach-exynos/setup-i2c1.c
deleted file mode 100644
index 8d2279c..0000000
--- a/arch/arm/mach-exynos/setup-i2c1.c
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * linux/arch/arm/mach-exynos4/setup-i2c1.c
- *
- * Copyright (C) 2010 Samsung Electronics Co., Ltd.
- *
- * I2C1 GPIO configuration.
- *
- * 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.
-*/
-
-struct platform_device; /* don't need the contents */
-
-#include <linux/gpio.h>
-#include <linux/platform_data/i2c-s3c2410.h>
-#include <plat/gpio-cfg.h>
-
-void s3c_i2c1_cfg_gpio(struct platform_device *dev)
-{
-	s3c_gpio_cfgall_range(EXYNOS4_GPD1(2), 2,
-			      S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
-}
diff --git a/arch/arm/mach-exynos/setup-i2c2.c b/arch/arm/mach-exynos/setup-i2c2.c
deleted file mode 100644
index 0ed62fc..0000000
--- a/arch/arm/mach-exynos/setup-i2c2.c
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * linux/arch/arm/mach-exynos4/setup-i2c2.c
- *
- * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
- *
- * I2C2 GPIO configuration.
- *
- * 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.
-*/
-
-struct platform_device; /* don't need the contents */
-
-#include <linux/gpio.h>
-#include <linux/platform_data/i2c-s3c2410.h>
-#include <plat/gpio-cfg.h>
-
-void s3c_i2c2_cfg_gpio(struct platform_device *dev)
-{
-	s3c_gpio_cfgall_range(EXYNOS4_GPA0(6), 2,
-			      S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);
-}
diff --git a/arch/arm/mach-exynos/setup-i2c3.c b/arch/arm/mach-exynos/setup-i2c3.c
deleted file mode 100644
index 7787fd2..0000000
--- a/arch/arm/mach-exynos/setup-i2c3.c
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * linux/arch/arm/mach-exynos4/setup-i2c3.c
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *
- * I2C3 GPIO configuration.
- *
- * 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.
-*/
-
-struct platform_device; /* don't need the contents */
-
-#include <linux/gpio.h>
-#include <linux/platform_data/i2c-s3c2410.h>
-#include <plat/gpio-cfg.h>
-
-void s3c_i2c3_cfg_gpio(struct platform_device *dev)
-{
-	s3c_gpio_cfgall_range(EXYNOS4_GPA1(2), 2,
-			      S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);
-}
diff --git a/arch/arm/mach-exynos/setup-i2c4.c b/arch/arm/mach-exynos/setup-i2c4.c
deleted file mode 100644
index edc847f..0000000
--- a/arch/arm/mach-exynos/setup-i2c4.c
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * linux/arch/arm/mach-exynos4/setup-i2c4.c
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *
- * I2C4 GPIO configuration.
- *
- * 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.
-*/
-
-struct platform_device; /* don't need the contents */
-
-#include <linux/gpio.h>
-#include <linux/platform_data/i2c-s3c2410.h>
-#include <plat/gpio-cfg.h>
-
-void s3c_i2c4_cfg_gpio(struct platform_device *dev)
-{
-	s3c_gpio_cfgall_range(EXYNOS4_GPB(2), 2,
-			      S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);
-}
diff --git a/arch/arm/mach-exynos/setup-i2c5.c b/arch/arm/mach-exynos/setup-i2c5.c
deleted file mode 100644
index d88af7f..0000000
--- a/arch/arm/mach-exynos/setup-i2c5.c
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * linux/arch/arm/mach-exynos4/setup-i2c5.c
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *
- * I2C5 GPIO configuration.
- *
- * 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.
-*/
-
-struct platform_device; /* don't need the contents */
-
-#include <linux/gpio.h>
-#include <linux/platform_data/i2c-s3c2410.h>
-#include <plat/gpio-cfg.h>
-
-void s3c_i2c5_cfg_gpio(struct platform_device *dev)
-{
-	s3c_gpio_cfgall_range(EXYNOS4_GPB(6), 2,
-			      S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);
-}
diff --git a/arch/arm/mach-exynos/setup-i2c6.c b/arch/arm/mach-exynos/setup-i2c6.c
deleted file mode 100644
index c590286..0000000
--- a/arch/arm/mach-exynos/setup-i2c6.c
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * linux/arch/arm/mach-exynos4/setup-i2c6.c
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *
- * I2C6 GPIO configuration.
- *
- * 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.
-*/
-
-struct platform_device; /* don't need the contents */
-
-#include <linux/gpio.h>
-#include <linux/platform_data/i2c-s3c2410.h>
-#include <plat/gpio-cfg.h>
-
-void s3c_i2c6_cfg_gpio(struct platform_device *dev)
-{
-	s3c_gpio_cfgall_range(EXYNOS4_GPC1(3), 2,
-			      S3C_GPIO_SFN(4), S3C_GPIO_PULL_UP);
-}
diff --git a/arch/arm/mach-exynos/setup-i2c7.c b/arch/arm/mach-exynos/setup-i2c7.c
deleted file mode 100644
index 1bba755..0000000
--- a/arch/arm/mach-exynos/setup-i2c7.c
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * linux/arch/arm/mach-exynos4/setup-i2c7.c
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *
- * I2C7 GPIO configuration.
- *
- * 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.
-*/
-
-struct platform_device; /* don't need the contents */
-
-#include <linux/gpio.h>
-#include <linux/platform_data/i2c-s3c2410.h>
-#include <plat/gpio-cfg.h>
-
-void s3c_i2c7_cfg_gpio(struct platform_device *dev)
-{
-	s3c_gpio_cfgall_range(EXYNOS4_GPD0(2), 2,
-			      S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);
-}
diff --git a/arch/arm/mach-exynos/setup-keypad.c b/arch/arm/mach-exynos/setup-keypad.c
deleted file mode 100644
index 7862bfb..0000000
--- a/arch/arm/mach-exynos/setup-keypad.c
+++ /dev/null
@@ -1,36 +0,0 @@
-/* linux/arch/arm/mach-exynos4/setup-keypad.c
- *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com
- *
- * GPIO configuration for Exynos4 KeyPad device
- *
- * 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/gpio.h>
-#include <plat/gpio-cfg.h>
-
-void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols)
-{
-	/* Keypads can be of various combinations, Just making sure */
-
-	if (rows > 8) {
-		/* Set all the necessary GPX2 pins: KP_ROW[0~7] */
-		s3c_gpio_cfgall_range(EXYNOS4_GPX2(0), 8, S3C_GPIO_SFN(3),
-					S3C_GPIO_PULL_UP);
-
-		/* Set all the necessary GPX3 pins: KP_ROW[8~] */
-		s3c_gpio_cfgall_range(EXYNOS4_GPX3(0), (rows - 8),
-					 S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);
-	} else {
-		/* Set all the necessary GPX2 pins: KP_ROW[x] */
-		s3c_gpio_cfgall_range(EXYNOS4_GPX2(0), rows, S3C_GPIO_SFN(3),
-					S3C_GPIO_PULL_UP);
-	}
-
-	/* Set all the necessary GPX1 pins to special-function 3: KP_COL[x] */
-	s3c_gpio_cfgrange_nopull(EXYNOS4_GPX1(0), cols, S3C_GPIO_SFN(3));
-}
diff --git a/arch/arm/mach-exynos/setup-sdhci-gpio.c b/arch/arm/mach-exynos/setup-sdhci-gpio.c
deleted file mode 100644
index d5b98c8..0000000
--- a/arch/arm/mach-exynos/setup-sdhci-gpio.c
+++ /dev/null
@@ -1,152 +0,0 @@
-/* linux/arch/arm/mach-exynos4/setup-sdhci-gpio.c
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com
- *
- * EXYNOS4 - Helper functions for setting up SDHCI device(s) GPIO (HSMMC)
- *
- * 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/kernel.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/io.h>
-#include <linux/gpio.h>
-#include <linux/mmc/host.h>
-#include <linux/mmc/card.h>
-
-#include <mach/gpio.h>
-#include <plat/gpio-cfg.h>
-#include <plat/sdhci.h>
-
-void exynos4_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width)
-{
-	struct s3c_sdhci_platdata *pdata = dev->dev.platform_data;
-	unsigned int gpio;
-
-	/* Set all the necessary GPK0[0:1] pins to special-function 2 */
-	for (gpio = EXYNOS4_GPK0(0); gpio < EXYNOS4_GPK0(2); gpio++) {
-		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
-		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
-		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
-	}
-
-	switch (width) {
-	case 8:
-		for (gpio = EXYNOS4_GPK1(3); gpio <= EXYNOS4_GPK1(6); gpio++) {
-			/* Data pin GPK1[3:6] to special-function 3 */
-			s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
-			s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP);
-			s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
-		}
-	case 4:
-		for (gpio = EXYNOS4_GPK0(3); gpio <= EXYNOS4_GPK0(6); gpio++) {
-			/* Data pin GPK0[3:6] to special-function 2 */
-			s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
-			s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP);
-			s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
-		}
-	default:
-		break;
-	}
-
-	if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) {
-		s3c_gpio_cfgpin(EXYNOS4_GPK0(2), S3C_GPIO_SFN(2));
-		s3c_gpio_setpull(EXYNOS4_GPK0(2), S3C_GPIO_PULL_UP);
-		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
-	}
-}
-
-void exynos4_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width)
-{
-	struct s3c_sdhci_platdata *pdata = dev->dev.platform_data;
-	unsigned int gpio;
-
-	/* Set all the necessary GPK1[0:1] pins to special-function 2 */
-	for (gpio = EXYNOS4_GPK1(0); gpio < EXYNOS4_GPK1(2); gpio++) {
-		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
-		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
-		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
-	}
-
-	for (gpio = EXYNOS4_GPK1(3); gpio <= EXYNOS4_GPK1(6); gpio++) {
-		/* Data pin GPK1[3:6] to special-function 2 */
-		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
-		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP);
-		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
-	}
-
-	if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) {
-		s3c_gpio_cfgpin(EXYNOS4_GPK1(2), S3C_GPIO_SFN(2));
-		s3c_gpio_setpull(EXYNOS4_GPK1(2), S3C_GPIO_PULL_UP);
-		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
-	}
-}
-
-void exynos4_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width)
-{
-	struct s3c_sdhci_platdata *pdata = dev->dev.platform_data;
-	unsigned int gpio;
-
-	/* Set all the necessary GPK2[0:1] pins to special-function 2 */
-	for (gpio = EXYNOS4_GPK2(0); gpio < EXYNOS4_GPK2(2); gpio++) {
-		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
-		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
-		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
-	}
-
-	switch (width) {
-	case 8:
-		for (gpio = EXYNOS4_GPK3(3); gpio <= EXYNOS4_GPK3(6); gpio++) {
-			/* Data pin GPK3[3:6] to special-function 3 */
-			s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
-			s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP);
-			s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
-		}
-	case 4:
-		for (gpio = EXYNOS4_GPK2(3); gpio <= EXYNOS4_GPK2(6); gpio++) {
-			/* Data pin GPK2[3:6] to special-function 2 */
-			s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
-			s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP);
-			s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
-		}
-	default:
-		break;
-	}
-
-	if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) {
-		s3c_gpio_cfgpin(EXYNOS4_GPK2(2), S3C_GPIO_SFN(2));
-		s3c_gpio_setpull(EXYNOS4_GPK2(2), S3C_GPIO_PULL_UP);
-		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
-	}
-}
-
-void exynos4_setup_sdhci3_cfg_gpio(struct platform_device *dev, int width)
-{
-	struct s3c_sdhci_platdata *pdata = dev->dev.platform_data;
-	unsigned int gpio;
-
-	/* Set all the necessary GPK3[0:1] pins to special-function 2 */
-	for (gpio = EXYNOS4_GPK3(0); gpio < EXYNOS4_GPK3(2); gpio++) {
-		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
-		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
-		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
-	}
-
-	for (gpio = EXYNOS4_GPK3(3); gpio <= EXYNOS4_GPK3(6); gpio++) {
-		/* Data pin GPK3[3:6] to special-function 2 */
-		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
-		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP);
-		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
-	}
-
-	if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) {
-		s3c_gpio_cfgpin(EXYNOS4_GPK3(2), S3C_GPIO_SFN(2));
-		s3c_gpio_setpull(EXYNOS4_GPK3(2), S3C_GPIO_PULL_UP);
-		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
-	}
-}
diff --git a/arch/arm/mach-exynos/setup-spi.c b/arch/arm/mach-exynos/setup-spi.c
deleted file mode 100644
index 4999829..0000000
--- a/arch/arm/mach-exynos/setup-spi.c
+++ /dev/null
@@ -1,45 +0,0 @@
-/* linux/arch/arm/mach-exynos4/setup-spi.c
- *
- * Copyright (C) 2011 Samsung Electronics Ltd.
- *             http://www.samsung.com/
- *
- * 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/gpio.h>
-#include <plat/gpio-cfg.h>
-
-#ifdef CONFIG_S3C64XX_DEV_SPI0
-int s3c64xx_spi0_cfg_gpio(void)
-{
-	s3c_gpio_cfgpin(EXYNOS4_GPB(0), S3C_GPIO_SFN(2));
-	s3c_gpio_setpull(EXYNOS4_GPB(0), S3C_GPIO_PULL_UP);
-	s3c_gpio_cfgall_range(EXYNOS4_GPB(2), 2,
-			      S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
-	return 0;
-}
-#endif
-
-#ifdef CONFIG_S3C64XX_DEV_SPI1
-int s3c64xx_spi1_cfg_gpio(void)
-{
-	s3c_gpio_cfgpin(EXYNOS4_GPB(4), S3C_GPIO_SFN(2));
-	s3c_gpio_setpull(EXYNOS4_GPB(4), S3C_GPIO_PULL_UP);
-	s3c_gpio_cfgall_range(EXYNOS4_GPB(6), 2,
-			      S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
-	return 0;
-}
-#endif
-
-#ifdef CONFIG_S3C64XX_DEV_SPI2
-int s3c64xx_spi2_cfg_gpio(void)
-{
-	s3c_gpio_cfgpin(EXYNOS4_GPC1(1), S3C_GPIO_SFN(5));
-	s3c_gpio_setpull(EXYNOS4_GPC1(1), S3C_GPIO_PULL_UP);
-	s3c_gpio_cfgall_range(EXYNOS4_GPC1(3), 2,
-			      S3C_GPIO_SFN(5), S3C_GPIO_PULL_UP);
-	return 0;
-}
-#endif
diff --git a/arch/arm/mach-exynos/setup-usb-phy.c b/arch/arm/mach-exynos/setup-usb-phy.c
deleted file mode 100644
index 6af4066..0000000
--- a/arch/arm/mach-exynos/setup-usb-phy.c
+++ /dev/null
@@ -1,223 +0,0 @@
-/*
- * Copyright (C) 2011 Samsung Electronics Co.Ltd
- * Author: Joonyoung Shim <jy0922.shim@samsung.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.
- *
- */
-
-#include <linux/clk.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/platform_device.h>
-#include <mach/regs-pmu.h>
-#include <mach/regs-usb-phy.h>
-#include <plat/cpu.h>
-#include <plat/usb-phy.h>
-
-static atomic_t host_usage;
-
-static int exynos4_usb_host_phy_is_on(void)
-{
-	return (readl(EXYNOS4_PHYPWR) & PHY1_STD_ANALOG_POWERDOWN) ? 0 : 1;
-}
-
-static void exynos4210_usb_phy_clkset(struct platform_device *pdev)
-{
-	struct clk *xusbxti_clk;
-	u32 phyclk;
-
-	xusbxti_clk = clk_get(&pdev->dev, "xusbxti");
-	if (xusbxti_clk && !IS_ERR(xusbxti_clk)) {
-		if (soc_is_exynos4210()) {
-			/* set clock frequency for PLL */
-			phyclk = readl(EXYNOS4_PHYCLK) & ~EXYNOS4210_CLKSEL_MASK;
-
-			switch (clk_get_rate(xusbxti_clk)) {
-			case 12 * MHZ:
-				phyclk |= EXYNOS4210_CLKSEL_12M;
-				break;
-			case 48 * MHZ:
-				phyclk |= EXYNOS4210_CLKSEL_48M;
-				break;
-			default:
-			case 24 * MHZ:
-				phyclk |= EXYNOS4210_CLKSEL_24M;
-				break;
-			}
-			writel(phyclk, EXYNOS4_PHYCLK);
-		} else if (soc_is_exynos4212() || soc_is_exynos4412()) {
-			/* set clock frequency for PLL */
-			phyclk = readl(EXYNOS4_PHYCLK) & ~EXYNOS4X12_CLKSEL_MASK;
-
-			switch (clk_get_rate(xusbxti_clk)) {
-			case 9600 * KHZ:
-				phyclk |= EXYNOS4X12_CLKSEL_9600K;
-				break;
-			case 10 * MHZ:
-				phyclk |= EXYNOS4X12_CLKSEL_10M;
-				break;
-			case 12 * MHZ:
-				phyclk |= EXYNOS4X12_CLKSEL_12M;
-				break;
-			case 19200 * KHZ:
-				phyclk |= EXYNOS4X12_CLKSEL_19200K;
-				break;
-			case 20 * MHZ:
-				phyclk |= EXYNOS4X12_CLKSEL_20M;
-				break;
-			default:
-			case 24 * MHZ:
-				/* default reference clock */
-				phyclk |= EXYNOS4X12_CLKSEL_24M;
-				break;
-			}
-			writel(phyclk, EXYNOS4_PHYCLK);
-		}
-		clk_put(xusbxti_clk);
-	}
-}
-
-static int exynos4210_usb_phy0_init(struct platform_device *pdev)
-{
-	u32 rstcon;
-
-	writel(readl(S5P_USBDEVICE_PHY_CONTROL) | S5P_USBDEVICE_PHY_ENABLE,
-			S5P_USBDEVICE_PHY_CONTROL);
-
-	exynos4210_usb_phy_clkset(pdev);
-
-	/* set to normal PHY0 */
-	writel((readl(EXYNOS4_PHYPWR) & ~PHY0_NORMAL_MASK), EXYNOS4_PHYPWR);
-
-	/* reset PHY0 and Link */
-	rstcon = readl(EXYNOS4_RSTCON) | PHY0_SWRST_MASK;
-	writel(rstcon, EXYNOS4_RSTCON);
-	udelay(10);
-
-	rstcon &= ~PHY0_SWRST_MASK;
-	writel(rstcon, EXYNOS4_RSTCON);
-
-	return 0;
-}
-
-static int exynos4210_usb_phy0_exit(struct platform_device *pdev)
-{
-	writel((readl(EXYNOS4_PHYPWR) | PHY0_ANALOG_POWERDOWN |
-				PHY0_OTG_DISABLE), EXYNOS4_PHYPWR);
-
-	writel(readl(S5P_USBDEVICE_PHY_CONTROL) & ~S5P_USBDEVICE_PHY_ENABLE,
-			S5P_USBDEVICE_PHY_CONTROL);
-
-	return 0;
-}
-
-static int exynos4210_usb_phy1_init(struct platform_device *pdev)
-{
-	struct clk *otg_clk;
-	u32 rstcon;
-	int err;
-
-	atomic_inc(&host_usage);
-
-	otg_clk = clk_get(&pdev->dev, "otg");
-	if (IS_ERR(otg_clk)) {
-		dev_err(&pdev->dev, "Failed to get otg clock\n");
-		return PTR_ERR(otg_clk);
-	}
-
-	err = clk_enable(otg_clk);
-	if (err) {
-		clk_put(otg_clk);
-		return err;
-	}
-
-	if (exynos4_usb_host_phy_is_on())
-		return 0;
-
-	writel(readl(S5P_USBHOST_PHY_CONTROL) | S5P_USBHOST_PHY_ENABLE,
-			S5P_USBHOST_PHY_CONTROL);
-
-	exynos4210_usb_phy_clkset(pdev);
-
-	/* floating prevention logic: disable */
-	writel((readl(EXYNOS4_PHY1CON) | FPENABLEN), EXYNOS4_PHY1CON);
-
-	/* set to normal HSIC 0 and 1 of PHY1 */
-	writel((readl(EXYNOS4_PHYPWR) & ~PHY1_HSIC_NORMAL_MASK),
-			EXYNOS4_PHYPWR);
-
-	/* set to normal standard USB of PHY1 */
-	writel((readl(EXYNOS4_PHYPWR) & ~PHY1_STD_NORMAL_MASK), EXYNOS4_PHYPWR);
-
-	/* reset all ports of both PHY and Link */
-	rstcon = readl(EXYNOS4_RSTCON) | HOST_LINK_PORT_SWRST_MASK |
-		PHY1_SWRST_MASK;
-	writel(rstcon, EXYNOS4_RSTCON);
-	udelay(10);
-
-	rstcon &= ~(HOST_LINK_PORT_SWRST_MASK | PHY1_SWRST_MASK);
-	writel(rstcon, EXYNOS4_RSTCON);
-	udelay(80);
-
-	clk_disable(otg_clk);
-	clk_put(otg_clk);
-
-	return 0;
-}
-
-static int exynos4210_usb_phy1_exit(struct platform_device *pdev)
-{
-	struct clk *otg_clk;
-	int err;
-
-	if (atomic_dec_return(&host_usage) > 0)
-		return 0;
-
-	otg_clk = clk_get(&pdev->dev, "otg");
-	if (IS_ERR(otg_clk)) {
-		dev_err(&pdev->dev, "Failed to get otg clock\n");
-		return PTR_ERR(otg_clk);
-	}
-
-	err = clk_enable(otg_clk);
-	if (err) {
-		clk_put(otg_clk);
-		return err;
-	}
-
-	writel((readl(EXYNOS4_PHYPWR) | PHY1_STD_ANALOG_POWERDOWN),
-			EXYNOS4_PHYPWR);
-
-	writel(readl(S5P_USBHOST_PHY_CONTROL) & ~S5P_USBHOST_PHY_ENABLE,
-			S5P_USBHOST_PHY_CONTROL);
-
-	clk_disable(otg_clk);
-	clk_put(otg_clk);
-
-	return 0;
-}
-
-int s5p_usb_phy_init(struct platform_device *pdev, int type)
-{
-	if (type == USB_PHY_TYPE_DEVICE)
-		return exynos4210_usb_phy0_init(pdev);
-	else if (type == USB_PHY_TYPE_HOST)
-		return exynos4210_usb_phy1_init(pdev);
-
-	return -EINVAL;
-}
-
-int s5p_usb_phy_exit(struct platform_device *pdev, int type)
-{
-	if (type == USB_PHY_TYPE_DEVICE)
-		return exynos4210_usb_phy0_exit(pdev);
-	else if (type == USB_PHY_TYPE_HOST)
-		return exynos4210_usb_phy1_exit(pdev);
-
-	return -EINVAL;
-}
