Merge branch 'for-rmk' of git://git.fluff.org/bjdooks/linux into devel-stable

Conflicts:
	arch/arm/Kconfig

21 files changed, 3121 insertions, 926 deletions

diff --git a/arch/arm/plat-s5pc1xx/Kconfig b/arch/arm/plat-s5pc1xx/Kconfig
index a8a711c3c064..1608e62b0c9d 100644
--- a/arch/arm/plat-s5pc1xx/Kconfig
+++ b/arch/arm/plat-s5pc1xx/Kconfig
@@ -15,6 +15,9 @@ config PLAT_S5PC1XX
 	select ARCH_REQUIRE_GPIOLIB
 	select S3C_GPIO_TRACK
 	select S3C_GPIO_PULL_UPDOWN
+	select S3C_GPIO_CFG_S3C24XX
+	select S3C_GPIO_CFG_S3C64XX
+	select S5P_GPIO_CFG_S5PC1XX
 	help
 	  Base platform code for any Samsung S5PC1XX device
 
@@ -34,7 +37,12 @@ config CPU_S5PC100_CLOCK
 
 # platform specific device setup
 
-config S5PC100_SETUP_I2C0
+config S5PC1XX_SETUP_FB_24BPP
+	bool
+	help
+          Common setup code for S5PC1XX with an 24bpp RGB display helper.
+
+config S5PC1XX_SETUP_I2C0
 	bool
 	default y
 	help
@@ -43,8 +51,14 @@ config S5PC100_SETUP_I2C0
 	  Note, currently since i2c0 is always compiled, this setup helper
 	  is always compiled with it.
 
-config S5PC100_SETUP_I2C1
+config S5PC1XX_SETUP_I2C1
 	bool
 	help
 	  Common setup code for i2c bus 1.
+
+config S5PC1XX_SETUP_SDHCI_GPIO
+	bool
+	help
+	  Common setup code for SDHCI gpio.
+
 endif
diff --git a/arch/arm/plat-s5pc1xx/Makefile b/arch/arm/plat-s5pc1xx/Makefile
index f1ecb2c37ee2..278f26806089 100644
--- a/arch/arm/plat-s5pc1xx/Makefile
+++ b/arch/arm/plat-s5pc1xx/Makefile
@@ -13,7 +13,9 @@ obj-				:=
 
 obj-y				+= dev-uart.o
 obj-y				+= cpu.o
-obj-y				+= irq.o
+obj-y				+= irq.o irq-gpio.o irq-eint.o
+obj-y				+= clock.o
+obj-y				+= gpiolib.o
 
 # CPU support
 
@@ -22,5 +24,8 @@ obj-$(CONFIG_CPU_S5PC100_CLOCK)	+= s5pc100-clock.o
 
 # Device setup
 
-obj-$(CONFIG_S5PC100_SETUP_I2C0) += setup-i2c0.o
-obj-$(CONFIG_S5PC100_SETUP_I2C1) += setup-i2c1.o
+obj-$(CONFIG_S5P_GPIO_CFG_S5PC1XX) += gpio-config.o
+obj-$(CONFIG_S5PC1XX_SETUP_FB_24BPP) += setup-fb-24bpp.o
+obj-$(CONFIG_S5PC1XX_SETUP_I2C0) += setup-i2c0.o
+obj-$(CONFIG_S5PC1XX_SETUP_I2C1) += setup-i2c1.o
+obj-$(CONFIG_S5PC1XX_SETUP_SDHCI_GPIO)	+= setup-sdhci-gpio.o
diff --git a/arch/arm/plat-s5pc1xx/clock.c b/arch/arm/plat-s5pc1xx/clock.c
new file mode 100644
index 000000000000..26c21d849790
--- /dev/null
+++ b/arch/arm/plat-s5pc1xx/clock.c
@@ -0,0 +1,728 @@
+/* linux/arch/arm/plat-s5pc1xx/clock.c
+ *
+ * Copyright 2009 Samsung Electronics Co.
+ *
+ * S5PC1XX Base clock support
+ *
+ * Based on plat-s3c64xx/clock.c
+ *
+ * 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/init.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+
+#include <mach/hardware.h>
+#include <mach/map.h>
+
+#include <plat/regs-clock.h>
+#include <plat/devs.h>
+#include <plat/clock.h>
+
+struct clk clk_27m = {
+	.name		= "clk_27m",
+	.id		= -1,
+	.rate		= 27000000,
+};
+
+static int clk_48m_ctrl(struct clk *clk, int enable)
+{
+	unsigned long flags;
+	u32 val;
+
+	/* can't rely on clock lock, this register has other usages */
+	local_irq_save(flags);
+
+	val = __raw_readl(S5PC100_CLKSRC1);
+	if (enable)
+		val |= S5PC100_CLKSRC1_CLK48M_MASK;
+	else
+		val &= ~S5PC100_CLKSRC1_CLK48M_MASK;
+
+	__raw_writel(val, S5PC100_CLKSRC1);
+	local_irq_restore(flags);
+
+	return 0;
+}
+
+struct clk clk_48m = {
+	.name		= "clk_48m",
+	.id		= -1,
+	.rate		= 48000000,
+	.enable		= clk_48m_ctrl,
+};
+
+struct clk clk_54m = {
+	.name		= "clk_54m",
+	.id		= -1,
+	.rate		= 54000000,
+};
+
+static int clk_default_setrate(struct clk *clk, unsigned long rate)
+{
+	clk->rate = rate;
+	return 0;
+}
+
+static int clk_dummy_enable(struct clk *clk, int enable)
+{
+	return 0;
+}
+
+struct clk clk_hd0 = {
+	.name		= "hclkd0",
+	.id		= -1,
+	.rate		= 0,
+	.parent		= NULL,
+	.ctrlbit	= 0,
+	.set_rate	= clk_default_setrate,
+	.enable		= clk_dummy_enable,
+};
+
+struct clk clk_pd0 = {
+	.name		= "pclkd0",
+	.id		= -1,
+	.rate		= 0,
+	.parent		= NULL,
+	.ctrlbit	= 0,
+	.set_rate	= clk_default_setrate,
+	.enable		= clk_dummy_enable,
+};
+
+static int s5pc1xx_clk_gate(void __iomem *reg, struct clk *clk, int enable)
+{
+	unsigned int ctrlbit = clk->ctrlbit;
+	u32 con;
+
+	con = __raw_readl(reg);
+	if (enable)
+		con |= ctrlbit;
+	else
+		con &= ~ctrlbit;
+	__raw_writel(con, reg);
+
+	return 0;
+}
+
+static int s5pc100_clk_d00_ctrl(struct clk *clk, int enable)
+{
+	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D00, clk, enable);
+}
+
+static int s5pc100_clk_d01_ctrl(struct clk *clk, int enable)
+{
+	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D01, clk, enable);
+}
+
+static int s5pc100_clk_d02_ctrl(struct clk *clk, int enable)
+{
+	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D02, clk, enable);
+}
+
+static int s5pc100_clk_d10_ctrl(struct clk *clk, int enable)
+{
+	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D10, clk, enable);
+}
+
+static int s5pc100_clk_d11_ctrl(struct clk *clk, int enable)
+{
+	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D11, clk, enable);
+}
+
+static int s5pc100_clk_d12_ctrl(struct clk *clk, int enable)
+{
+	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D12, clk, enable);
+}
+
+static int s5pc100_clk_d13_ctrl(struct clk *clk, int enable)
+{
+	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D13, clk, enable);
+}
+
+static int s5pc100_clk_d14_ctrl(struct clk *clk, int enable)
+{
+	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D14, clk, enable);
+}
+
+static int s5pc100_clk_d15_ctrl(struct clk *clk, int enable)
+{
+	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D15, clk, enable);
+}
+
+static int s5pc100_clk_d20_ctrl(struct clk *clk, int enable)
+{
+	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D20, clk, enable);
+}
+
+int s5pc100_sclk0_ctrl(struct clk *clk, int enable)
+{
+	return s5pc1xx_clk_gate(S5PC100_SCLKGATE0, clk, enable);
+}
+
+int s5pc100_sclk1_ctrl(struct clk *clk, int enable)
+{
+	return s5pc1xx_clk_gate(S5PC100_SCLKGATE1, clk, enable);
+}
+
+static struct clk s5pc100_init_clocks_disable[] = {
+	{
+		.name		= "dsi",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d11_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D11_DSI,
+	}, {
+		.name		= "csi",
+		.id		= -1,
+		.parent		= &clk_h,
+		.enable		= s5pc100_clk_d11_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D11_CSI,
+	}, {
+		.name		= "ccan",
+		.id		= 0,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d14_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D14_CCAN0,
+	}, {
+		.name		= "ccan",
+		.id		= 1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d14_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D14_CCAN1,
+	}, {
+		.name		= "keypad",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d15_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D15_KEYIF,
+	}, {
+		.name		= "hclkd2",
+		.id		= -1,
+		.parent		= NULL,
+		.enable		= s5pc100_clk_d20_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D20_HCLKD2,
+	}, {
+		.name		= "iis-d2",
+		.id		= -1,
+		.parent		= NULL,
+		.enable		= s5pc100_clk_d20_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D20_I2SD2,
+	},
+};
+
+static struct clk s5pc100_init_clocks[] = {
+	/* System1 (D0_0) devices */
+	{
+		.name		= "intc",
+		.id		= -1,
+		.parent		= &clk_hd0,
+		.enable		= s5pc100_clk_d00_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D00_INTC,
+	}, {
+		.name		= "tzic",
+		.id		= -1,
+		.parent		= &clk_hd0,
+		.enable		= s5pc100_clk_d00_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D00_TZIC,
+	}, {
+		.name		= "cf-ata",
+		.id		= -1,
+		.parent		= &clk_hd0,
+		.enable		= s5pc100_clk_d00_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D00_CFCON,
+	}, {
+		.name		= "mdma",
+		.id		= -1,
+		.parent		= &clk_hd0,
+		.enable		= s5pc100_clk_d00_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D00_MDMA,
+	}, {
+		.name		= "g2d",
+		.id		= -1,
+		.parent		= &clk_hd0,
+		.enable		= s5pc100_clk_d00_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D00_G2D,
+	}, {
+		.name		= "secss",
+		.id		= -1,
+		.parent		= &clk_hd0,
+		.enable		= s5pc100_clk_d00_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D00_SECSS,
+	}, {
+		.name		= "cssys",
+		.id		= -1,
+		.parent		= &clk_hd0,
+		.enable		= s5pc100_clk_d00_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D00_CSSYS,
+	},
+
+	/* Memory (D0_1) devices */
+	{
+		.name		= "dmc",
+		.id		= -1,
+		.parent		= &clk_hd0,
+		.enable		= s5pc100_clk_d01_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D01_DMC,
+	}, {
+		.name		= "sromc",
+		.id		= -1,
+		.parent		= &clk_hd0,
+		.enable		= s5pc100_clk_d01_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D01_SROMC,
+	}, {
+		.name		= "onenand",
+		.id		= -1,
+		.parent		= &clk_hd0,
+		.enable		= s5pc100_clk_d01_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D01_ONENAND,
+	}, {
+		.name		= "nand",
+		.id		= -1,
+		.parent		= &clk_hd0,
+		.enable		= s5pc100_clk_d01_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D01_NFCON,
+	}, {
+		.name		= "intmem",
+		.id		= -1,
+		.parent		= &clk_hd0,
+		.enable		= s5pc100_clk_d01_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D01_INTMEM,
+	}, {
+		.name		= "ebi",
+		.id		= -1,
+		.parent		= &clk_hd0,
+		.enable		= s5pc100_clk_d01_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D01_EBI,
+	},
+
+	/* System2 (D0_2) devices */
+	{
+		.name		= "seckey",
+		.id		= -1,
+		.parent		= &clk_pd0,
+		.enable		= s5pc100_clk_d02_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D02_SECKEY,
+	}, {
+		.name		= "sdm",
+		.id		= -1,
+		.parent		= &clk_hd0,
+		.enable		= s5pc100_clk_d02_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D02_SDM,
+	},
+
+	/* File (D1_0) devices */
+	{
+		.name		= "pdma",
+		.id		= 0,
+		.parent		= &clk_h,
+		.enable		= s5pc100_clk_d10_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D10_PDMA0,
+	}, {
+		.name		= "pdma",
+		.id		= 1,
+		.parent		= &clk_h,
+		.enable		= s5pc100_clk_d10_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D10_PDMA1,
+	}, {
+		.name		= "usb-host",
+		.id		= -1,
+		.parent		= &clk_h,
+		.enable		= s5pc100_clk_d10_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D10_USBHOST,
+	}, {
+		.name		= "otg",
+		.id		= -1,
+		.parent		= &clk_h,
+		.enable		= s5pc100_clk_d10_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D10_USBOTG,
+	}, {
+		.name		= "modem",
+		.id		= -1,
+		.parent		= &clk_h,
+		.enable		= s5pc100_clk_d10_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D10_MODEMIF,
+	}, {
+		.name		= "hsmmc",
+		.id		= 0,
+		.parent		= &clk_48m,
+		.enable		= s5pc100_clk_d10_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D10_HSMMC0,
+	}, {
+		.name		= "hsmmc",
+		.id		= 1,
+		.parent		= &clk_48m,
+		.enable		= s5pc100_clk_d10_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D10_HSMMC1,
+	}, {
+		.name		= "hsmmc",
+		.id		= 2,
+		.parent		= &clk_48m,
+		.enable		= s5pc100_clk_d10_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D10_HSMMC2,
+	},
+
+	/* Multimedia1 (D1_1) devices */
+	{
+		.name		= "lcd",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d11_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D11_LCD,
+	}, {
+		.name		= "rotator",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d11_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D11_ROTATOR,
+	}, {
+		.name		= "fimc",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d11_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D11_FIMC0,
+	}, {
+		.name		= "fimc",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d11_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D11_FIMC1,
+	}, {
+		.name		= "fimc",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d11_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D11_FIMC2,
+	}, {
+		.name		= "jpeg",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d11_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D11_JPEG,
+	}, {
+		.name		= "g3d",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d11_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D11_G3D,
+	},
+
+	/* Multimedia2 (D1_2) devices */
+	{
+		.name		= "tv",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d12_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D12_TV,
+	}, {
+		.name		= "vp",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d12_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D12_VP,
+	}, {
+		.name		= "mixer",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d12_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D12_MIXER,
+	}, {
+		.name		= "hdmi",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d12_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D12_HDMI,
+	}, {
+		.name		= "mfc",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d12_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D12_MFC,
+	},
+
+	/* System (D1_3) devices */
+	{
+		.name		= "chipid",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d13_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D13_CHIPID,
+	}, {
+		.name		= "gpio",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d13_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D13_GPIO,
+	}, {
+		.name		= "apc",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d13_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D13_APC,
+	}, {
+		.name		= "iec",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d13_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D13_IEC,
+	}, {
+		.name		= "timers",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d13_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D13_PWM,
+	}, {
+		.name		= "systimer",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d13_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D13_SYSTIMER,
+	}, {
+		.name		= "watchdog",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d13_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D13_WDT,
+	}, {
+		.name		= "rtc",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d13_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D13_RTC,
+	},
+
+	/* Connectivity (D1_4) devices */
+	{
+		.name		= "uart",
+		.id		= 0,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d14_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D14_UART0,
+	}, {
+		.name		= "uart",
+		.id		= 1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d14_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D14_UART1,
+	}, {
+		.name		= "uart",
+		.id		= 2,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d14_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D14_UART2,
+	}, {
+		.name		= "uart",
+		.id		= 3,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d14_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D14_UART3,
+	}, {
+		.name		= "i2c",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d14_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D14_IIC,
+	}, {
+		.name		= "hdmi-i2c",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d14_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D14_HDMI_IIC,
+	}, {
+		.name		= "spi",
+		.id		= 0,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d14_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D14_SPI0,
+	}, {
+		.name		= "spi",
+		.id		= 1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d14_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D14_SPI1,
+	}, {
+		.name		= "spi",
+		.id		= 2,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d14_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D14_SPI2,
+	}, {
+		.name		= "irda",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d14_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D14_IRDA,
+	}, {
+		.name		= "hsitx",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d14_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D14_HSITX,
+	}, {
+		.name		= "hsirx",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d14_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D14_HSIRX,
+	},
+
+	/* Audio (D1_5) devices */
+	{
+		.name		= "iis",
+		.id		= 0,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d15_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D15_IIS0,
+	}, {
+		.name		= "iis",
+		.id		= 1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d15_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D15_IIS1,
+	}, {
+		.name		= "iis",
+		.id		= 2,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d15_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D15_IIS2,
+	}, {
+		.name		= "ac97",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d15_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D15_AC97,
+	}, {
+		.name		= "pcm",
+		.id		= 0,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d15_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D15_PCM0,
+	}, {
+		.name		= "pcm",
+		.id		= 1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d15_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D15_PCM1,
+	}, {
+		.name		= "spdif",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d15_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D15_SPDIF,
+	}, {
+		.name		= "adc",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d15_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D15_TSADC,
+	}, {
+		.name		= "cg",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s5pc100_clk_d15_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_D15_CG,
+	},
+
+	/* Audio (D2_0) devices: all disabled */
+
+	/* Special Clocks 0 */
+	{
+		.name		= "sclk_hpm",
+		.id		= -1,
+		.parent		= NULL,
+		.enable		= s5pc100_sclk0_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_SCLK0_HPM,
+	}, {
+		.name		= "sclk_onenand",
+		.id		= -1,
+		.parent		= NULL,
+		.enable		= s5pc100_sclk0_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_SCLK0_ONENAND,
+	}, {
+		.name		= "spi_48",
+		.id		= 0,
+		.parent		= &clk_48m,
+		.enable		= s5pc100_sclk0_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_SCLK0_SPI0_48,
+	}, {
+		.name		= "spi_48",
+		.id		= 1,
+		.parent		= &clk_48m,
+		.enable		= s5pc100_sclk0_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_SCLK0_SPI1_48,
+	}, {
+		.name		= "spi_48",
+		.id		= 2,
+		.parent		= &clk_48m,
+		.enable		= s5pc100_sclk0_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_SCLK0_SPI2_48,
+	}, {
+		.name		= "mmc_48",
+		.id		= 0,
+		.parent		= &clk_48m,
+		.enable		= s5pc100_sclk0_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_SCLK0_MMC0_48,
+	}, {
+		.name		= "mmc_48",
+		.id		= 1,
+		.parent		= &clk_48m,
+		.enable		= s5pc100_sclk0_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_SCLK0_MMC1_48,
+	}, {
+		.name		= "mmc_48",
+		.id		= 2,
+		.parent		= &clk_48m,
+		.enable		= s5pc100_sclk0_ctrl,
+		.ctrlbit	= S5PC100_CLKGATE_SCLK0_MMC2_48,
+	},
+	/* Special Clocks 1 */
+};
+
+static struct clk *clks[] __initdata = {
+	&clk_ext,
+	&clk_epll,
+	&clk_27m,
+	&clk_48m,
+	&clk_54m,
+};
+
+void __init s5pc1xx_register_clocks(void)
+{
+	struct clk *clkp;
+	int ret;
+	int ptr;
+	int size;
+
+	s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
+
+	clkp = s5pc100_init_clocks;
+	size = ARRAY_SIZE(s5pc100_init_clocks);
+
+	for (ptr = 0; ptr < size; ptr++, clkp++) {
+		ret = s3c24xx_register_clock(clkp);
+		if (ret < 0) {
+			printk(KERN_ERR "Failed to register clock %s (%d)\n",
+			       clkp->name, ret);
+		}
+	}
+
+	clkp = s5pc100_init_clocks_disable;
+	size = ARRAY_SIZE(s5pc100_init_clocks_disable);
+
+	for (ptr = 0; ptr < size; ptr++, clkp++) {
+		ret = s3c24xx_register_clock(clkp);
+		if (ret < 0) {
+			printk(KERN_ERR "Failed to register clock %s (%d)\n",
+			       clkp->name, ret);
+		}
+
+		(clkp->enable)(clkp, 0);
+	}
+
+	s3c_pwmclk_init();
+}
diff --git a/arch/arm/plat-s5pc1xx/cpu.c b/arch/arm/plat-s5pc1xx/cpu.c
index 715a7330794d..02baeaa2a121 100644
--- a/arch/arm/plat-s5pc1xx/cpu.c
+++ b/arch/arm/plat-s5pc1xx/cpu.c
@@ -55,6 +55,16 @@ static struct cpu_table cpu_ids[] __initdata = {
 
 static struct map_desc s5pc1xx_iodesc[] __initdata = {
 	{
+		.virtual	= (unsigned long)S5PC1XX_VA_CLK_OTHER,
+		.pfn		= __phys_to_pfn(S5PC1XX_PA_CLK_OTHER),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5PC1XX_VA_GPIO,
+		.pfn		= __phys_to_pfn(S5PC100_PA_GPIO),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
 		.virtual	= (unsigned long)S5PC1XX_VA_CHIPID,
 		.pfn		= __phys_to_pfn(S5PC1XX_PA_CHIPID),
 		.length		= SZ_16,
diff --git a/arch/arm/plat-s5pc1xx/gpio-config.c b/arch/arm/plat-s5pc1xx/gpio-config.c
new file mode 100644
index 000000000000..bba675df9c75
--- /dev/null
+++ b/arch/arm/plat-s5pc1xx/gpio-config.c
@@ -0,0 +1,62 @@
+/* linux/arch/arm/plat-s5pc1xx/gpio-config.c
+ *
+ * Copyright 2009 Samsung Electronics
+ *
+ * S5PC1XX GPIO Configuration.
+ *
+ * Based on plat-s3c64xx/gpio-config.c
+ *
+ * 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/module.h>
+#include <linux/gpio.h>
+#include <linux/io.h>
+
+#include <mach/gpio-core.h>
+#include <plat/gpio-cfg-s5pc1xx.h>
+
+s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin, unsigned int off)
+{
+	struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
+	void __iomem *reg;
+	int shift = off * 2;
+	u32 drvstr;
+
+	if (!chip)
+		return -EINVAL;
+
+	reg = chip->base + 0x0C;
+
+	drvstr = __raw_readl(reg);
+	drvstr = 0xffff & (0x3 << shift);
+	drvstr = drvstr >> shift;
+
+	return (__force s5p_gpio_drvstr_t)drvstr;
+}
+EXPORT_SYMBOL(s5p_gpio_get_drvstr);
+
+int s5p_gpio_set_drvstr(unsigned int pin, unsigned int off,
+			s5p_gpio_drvstr_t drvstr)
+{
+	struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
+	void __iomem *reg;
+	int shift = off * 2;
+	u32 tmp;
+
+	if (!chip)
+		return -EINVAL;
+
+	reg = chip->base + 0x0C;
+
+	tmp = __raw_readl(reg);
+	tmp |= drvstr << shift;
+
+	__raw_writel(tmp, reg);
+
+	return 0;
+}
+EXPORT_SYMBOL(s5p_gpio_set_drvstr);
diff --git a/arch/arm/plat-s5pc1xx/gpiolib.c b/arch/arm/plat-s5pc1xx/gpiolib.c
new file mode 100644
index 000000000000..facb410e7a71
--- /dev/null
+++ b/arch/arm/plat-s5pc1xx/gpiolib.c
@@ -0,0 +1,503 @@
+/*
+ * arch/arm/plat-s5pc1xx/gpiolib.c
+ *
+ *  Copyright 2009 Samsung Electronics Co
+ *  Kyungmin Park <kyungmin.park@samsung.com>
+ *
+ * S5PC1XX - GPIOlib support
+ *
+ * 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/irq.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+
+#include <mach/map.h>
+#include <mach/gpio-core.h>
+
+#include <plat/gpio-cfg.h>
+#include <plat/gpio-cfg-helpers.h>
+#include <plat/regs-gpio.h>
+
+/* S5PC100 GPIO bank summary:
+ *
+ * Bank	GPIOs	Style	INT Type
+ * A0	8	4Bit	GPIO_INT0
+ * A1	5	4Bit	GPIO_INT1
+ * B	8	4Bit	GPIO_INT2
+ * C	5	4Bit	GPIO_INT3
+ * D	7	4Bit	GPIO_INT4
+ * E0	8	4Bit	GPIO_INT5
+ * E1	6	4Bit	GPIO_INT6
+ * F0	8	4Bit	GPIO_INT7
+ * F1	8	4Bit	GPIO_INT8
+ * F2	8	4Bit	GPIO_INT9
+ * F3	4	4Bit	GPIO_INT10
+ * G0	8	4Bit	GPIO_INT11
+ * G1	3	4Bit	GPIO_INT12
+ * G2	7	4Bit	GPIO_INT13
+ * G3	7	4Bit	GPIO_INT14
+ * H0	8	4Bit	WKUP_INT
+ * H1	8	4Bit	WKUP_INT
+ * H2	8	4Bit	WKUP_INT
+ * H3	8	4Bit	WKUP_INT
+ * I	8	4Bit	GPIO_INT15
+ * J0	8	4Bit	GPIO_INT16
+ * J1	5	4Bit	GPIO_INT17
+ * J2	8	4Bit	GPIO_INT18
+ * J3	8	4Bit	GPIO_INT19
+ * J4	4	4Bit	GPIO_INT20
+ * K0	8	4Bit	None
+ * K1	6	4Bit	None
+ * K2	8	4Bit	None
+ * K3	8	4Bit	None
+ * L0	8	4Bit	None
+ * L1	8	4Bit	None
+ * L2	8	4Bit	None
+ * L3	8	4Bit	None
+ */
+
+#define OFF_GPCON	(0x00)
+#define OFF_GPDAT	(0x04)
+
+#define con_4bit_shift(__off) ((__off) * 4)
+
+#if 1
+#define gpio_dbg(x...) do { } while (0)
+#else
+#define gpio_dbg(x...) printk(KERN_DEBUG x)
+#endif
+
+/* The s5pc1xx_gpiolib routines are to control the gpio banks where
+ * the gpio configuration register (GPxCON) has 4 bits per GPIO, as the
+ * following example:
+ *
+ * base + 0x00: Control register, 4 bits per gpio
+ *	        gpio n: 4 bits starting at (4*n)
+ *		0000 = input, 0001 = output, others mean special-function
+ * base + 0x04: Data register, 1 bit per gpio
+ *		bit n: data bit n
+ *
+ * Note, since the data register is one bit per gpio and is at base + 0x4
+ * we can use s3c_gpiolib_get and s3c_gpiolib_set to change the state of
+ * the output.
+ */
+
+static int s5pc1xx_gpiolib_input(struct gpio_chip *chip, unsigned offset)
+{
+	struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
+	void __iomem *base = ourchip->base;
+	unsigned long con;
+
+	con = __raw_readl(base + OFF_GPCON);
+	con &= ~(0xf << con_4bit_shift(offset));
+	__raw_writel(con, base + OFF_GPCON);
+
+	gpio_dbg("%s: %p: CON now %08lx\n", __func__, base, con);
+
+	return 0;
+}
+
+static int s5pc1xx_gpiolib_output(struct gpio_chip *chip,
+				       unsigned offset, int value)
+{
+	struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
+	void __iomem *base = ourchip->base;
+	unsigned long con;
+	unsigned long dat;
+
+	con = __raw_readl(base + OFF_GPCON);
+	con &= ~(0xf << con_4bit_shift(offset));
+	con |= 0x1 << con_4bit_shift(offset);
+
+	dat = __raw_readl(base + OFF_GPDAT);
+	if (value)
+		dat |= 1 << offset;
+	else
+		dat &= ~(1 << offset);
+
+	__raw_writel(dat, base + OFF_GPDAT);
+	__raw_writel(con, base + OFF_GPCON);
+	__raw_writel(dat, base + OFF_GPDAT);
+
+	gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat);
+
+	return 0;
+}
+
+static int s5pc1xx_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset)
+{
+	return S3C_IRQ_GPIO(chip->base + offset);
+}
+
+static int s5pc1xx_gpiolib_to_eint(struct gpio_chip *chip, unsigned int offset)
+{
+	int base;
+
+	base = chip->base - S5PC100_GPH0(0);
+	if (base == 0)
+		return IRQ_EINT(offset);
+	base = chip->base - S5PC100_GPH1(0);
+	if (base == 0)
+		return IRQ_EINT(8 + offset);
+	base = chip->base - S5PC100_GPH2(0);
+	if (base == 0)
+		return IRQ_EINT(16 + offset);
+	base = chip->base - S5PC100_GPH3(0);
+	if (base == 0)
+		return IRQ_EINT(24 + offset);
+	return -EINVAL;
+}
+
+static struct s3c_gpio_cfg gpio_cfg = {
+	.set_config	= s3c_gpio_setcfg_s3c64xx_4bit,
+	.set_pull	= s3c_gpio_setpull_updown,
+	.get_pull	= s3c_gpio_getpull_updown,
+};
+
+static struct s3c_gpio_cfg gpio_cfg_eint = {
+	.cfg_eint	= 0xf,
+	.set_config	= s3c_gpio_setcfg_s3c64xx_4bit,
+	.set_pull	= s3c_gpio_setpull_updown,
+	.get_pull	= s3c_gpio_getpull_updown,
+};
+
+static struct s3c_gpio_cfg gpio_cfg_noint = {
+	.set_config	= s3c_gpio_setcfg_s3c64xx_4bit,
+	.set_pull	= s3c_gpio_setpull_updown,
+	.get_pull	= s3c_gpio_getpull_updown,
+};
+
+static struct s3c_gpio_chip s5pc100_gpio_chips[] = {
+	{
+		.base	= S5PC100_GPA0_BASE,
+		.config	= &gpio_cfg,
+		.chip	= {
+			.base	= S5PC100_GPA0(0),
+			.ngpio	= S5PC100_GPIO_A0_NR,
+			.label	= "GPA0",
+		},
+	}, {
+		.base	= S5PC100_GPA1_BASE,
+		.config	= &gpio_cfg,
+		.chip	= {
+			.base	= S5PC100_GPA1(0),
+			.ngpio	= S5PC100_GPIO_A1_NR,
+			.label	= "GPA1",
+		},
+	}, {
+		.base	= S5PC100_GPB_BASE,
+		.config	= &gpio_cfg,
+		.chip	= {
+			.base	= S5PC100_GPB(0),
+			.ngpio	= S5PC100_GPIO_B_NR,
+			.label	= "GPB",
+		},
+	}, {
+		.base	= S5PC100_GPC_BASE,
+		.config	= &gpio_cfg,
+		.chip	= {
+			.base	= S5PC100_GPC(0),
+			.ngpio	= S5PC100_GPIO_C_NR,
+			.label	= "GPC",
+		},
+	}, {
+		.base	= S5PC100_GPD_BASE,
+		.config	= &gpio_cfg,
+		.chip	= {
+			.base	= S5PC100_GPD(0),
+			.ngpio	= S5PC100_GPIO_D_NR,
+			.label	= "GPD",
+		},
+	}, {
+		.base	= S5PC100_GPE0_BASE,
+		.config	= &gpio_cfg,
+		.chip	= {
+			.base	= S5PC100_GPE0(0),
+			.ngpio	= S5PC100_GPIO_E0_NR,
+			.label	= "GPE0",
+		},
+	}, {
+		.base	= S5PC100_GPE1_BASE,
+		.config	= &gpio_cfg,
+		.chip	= {
+			.base	= S5PC100_GPE1(0),
+			.ngpio	= S5PC100_GPIO_E1_NR,
+			.label	= "GPE1",
+		},
+	}, {
+		.base	= S5PC100_GPF0_BASE,
+		.config	= &gpio_cfg,
+		.chip	= {
+			.base	= S5PC100_GPF0(0),
+			.ngpio	= S5PC100_GPIO_F0_NR,
+			.label	= "GPF0",
+		},
+	}, {
+		.base	= S5PC100_GPF1_BASE,
+		.config	= &gpio_cfg,
+		.chip	= {
+			.base	= S5PC100_GPF1(0),
+			.ngpio	= S5PC100_GPIO_F1_NR,
+			.label	= "GPF1",
+		},
+	}, {
+		.base	= S5PC100_GPF2_BASE,
+		.config	= &gpio_cfg,
+		.chip	= {
+			.base	= S5PC100_GPF2(0),
+			.ngpio	= S5PC100_GPIO_F2_NR,
+			.label	= "GPF2",
+		},
+	}, {
+		.base	= S5PC100_GPF3_BASE,
+		.config	= &gpio_cfg,
+		.chip	= {
+			.base	= S5PC100_GPF3(0),
+			.ngpio	= S5PC100_GPIO_F3_NR,
+			.label	= "GPF3",
+		},
+	}, {
+		.base	= S5PC100_GPG0_BASE,
+		.config	= &gpio_cfg,
+		.chip	= {
+			.base	= S5PC100_GPG0(0),
+			.ngpio	= S5PC100_GPIO_G0_NR,
+			.label	= "GPG0",
+		},
+	}, {
+		.base	= S5PC100_GPG1_BASE,
+		.config	= &gpio_cfg,
+		.chip	= {
+			.base	= S5PC100_GPG1(0),
+			.ngpio	= S5PC100_GPIO_G1_NR,
+			.label	= "GPG1",
+		},
+	}, {
+		.base	= S5PC100_GPG2_BASE,
+		.config	= &gpio_cfg,
+		.chip	= {
+			.base	= S5PC100_GPG2(0),
+			.ngpio	= S5PC100_GPIO_G2_NR,
+			.label	= "GPG2",
+		},
+	}, {
+		.base	= S5PC100_GPG3_BASE,
+		.config	= &gpio_cfg,
+		.chip	= {
+			.base	= S5PC100_GPG3(0),
+			.ngpio	= S5PC100_GPIO_G3_NR,
+			.label	= "GPG3",
+		},
+	}, {
+		.base	= S5PC100_GPH0_BASE,
+		.config	= &gpio_cfg_eint,
+		.chip	= {
+			.base	= S5PC100_GPH0(0),
+			.ngpio	= S5PC100_GPIO_H0_NR,
+			.label	= "GPH0",
+		},
+	}, {
+		.base	= S5PC100_GPH1_BASE,
+		.config	= &gpio_cfg_eint,
+		.chip	= {
+			.base	= S5PC100_GPH1(0),
+			.ngpio	= S5PC100_GPIO_H1_NR,
+			.label	= "GPH1",
+		},
+	}, {
+		.base	= S5PC100_GPH2_BASE,
+		.config	= &gpio_cfg_eint,
+		.chip	= {
+			.base	= S5PC100_GPH2(0),
+			.ngpio	= S5PC100_GPIO_H2_NR,
+			.label	= "GPH2",
+		},
+	}, {
+		.base	= S5PC100_GPH3_BASE,
+		.config	= &gpio_cfg_eint,
+		.chip	= {
+			.base	= S5PC100_GPH3(0),
+			.ngpio	= S5PC100_GPIO_H3_NR,
+			.label	= "GPH3",
+		},
+	}, {
+		.base	= S5PC100_GPI_BASE,
+		.config	= &gpio_cfg,
+		.chip	= {
+			.base	= S5PC100_GPI(0),
+			.ngpio	= S5PC100_GPIO_I_NR,
+			.label	= "GPI",
+		},
+	}, {
+		.base	= S5PC100_GPJ0_BASE,
+		.config	= &gpio_cfg,
+		.chip	= {
+			.base	= S5PC100_GPJ0(0),
+			.ngpio	= S5PC100_GPIO_J0_NR,
+			.label	= "GPJ0",
+		},
+	}, {
+		.base	= S5PC100_GPJ1_BASE,
+		.config	= &gpio_cfg,
+		.chip	= {
+			.base	= S5PC100_GPJ1(0),
+			.ngpio	= S5PC100_GPIO_J1_NR,
+			.label	= "GPJ1",
+		},
+	}, {
+		.base	= S5PC100_GPJ2_BASE,
+		.config	= &gpio_cfg,
+		.chip	= {
+			.base	= S5PC100_GPJ2(0),
+			.ngpio	= S5PC100_GPIO_J2_NR,
+			.label	= "GPJ2",
+		},
+	}, {
+		.base	= S5PC100_GPJ3_BASE,
+		.config	= &gpio_cfg,
+		.chip	= {
+			.base	= S5PC100_GPJ3(0),
+			.ngpio	= S5PC100_GPIO_J3_NR,
+			.label	= "GPJ3",
+		},
+	}, {
+		.base	= S5PC100_GPJ4_BASE,
+		.config	= &gpio_cfg,
+		.chip	= {
+			.base	= S5PC100_GPJ4(0),
+			.ngpio	= S5PC100_GPIO_J4_NR,
+			.label	= "GPJ4",
+		},
+	}, {
+		.base	= S5PC100_GPK0_BASE,
+		.config	= &gpio_cfg_noint,
+		.chip	= {
+			.base	= S5PC100_GPK0(0),
+			.ngpio	= S5PC100_GPIO_K0_NR,
+			.label	= "GPK0",
+		},
+	}, {
+		.base	= S5PC100_GPK1_BASE,
+		.config	= &gpio_cfg_noint,
+		.chip	= {
+			.base	= S5PC100_GPK1(0),
+			.ngpio	= S5PC100_GPIO_K1_NR,
+			.label	= "GPK1",
+		},
+	}, {
+		.base	= S5PC100_GPK2_BASE,
+		.config	= &gpio_cfg_noint,
+		.chip	= {
+			.base	= S5PC100_GPK2(0),
+			.ngpio	= S5PC100_GPIO_K2_NR,
+			.label	= "GPK2",
+		},
+	}, {
+		.base	= S5PC100_GPK3_BASE,
+		.config	= &gpio_cfg_noint,
+		.chip	= {
+			.base	= S5PC100_GPK3(0),
+			.ngpio	= S5PC100_GPIO_K3_NR,
+			.label	= "GPK3",
+		},
+	}, {
+		.base	= S5PC100_GPL0_BASE,
+		.config	= &gpio_cfg_noint,
+		.chip	= {
+			.base	= S5PC100_GPL0(0),
+			.ngpio	= S5PC100_GPIO_L0_NR,
+			.label	= "GPL0",
+		},
+	}, {
+		.base	= S5PC100_GPL1_BASE,
+		.config	= &gpio_cfg_noint,
+		.chip	= {
+			.base	= S5PC100_GPL1(0),
+			.ngpio	= S5PC100_GPIO_L1_NR,
+			.label	= "GPL1",
+		},
+	}, {
+		.base	= S5PC100_GPL2_BASE,
+		.config	= &gpio_cfg_noint,
+		.chip	= {
+			.base	= S5PC100_GPL2(0),
+			.ngpio	= S5PC100_GPIO_L2_NR,
+			.label	= "GPL2",
+		},
+	}, {
+		.base	= S5PC100_GPL3_BASE,
+		.config	= &gpio_cfg_noint,
+		.chip	= {
+			.base	= S5PC100_GPL3(0),
+			.ngpio	= S5PC100_GPIO_L3_NR,
+			.label	= "GPL3",
+		},
+	}, {
+		.base	= S5PC100_GPL4_BASE,
+		.config	= &gpio_cfg_noint,
+		.chip	= {
+			.base	= S5PC100_GPL4(0),
+			.ngpio	= S5PC100_GPIO_L4_NR,
+			.label	= "GPL4",
+		},
+	},
+};
+
+/* FIXME move from irq-gpio.c */
+extern struct irq_chip s5pc1xx_gpioint;
+extern void s5pc1xx_irq_gpioint_handler(unsigned int irq, struct irq_desc *desc);
+
+static __init void s5pc1xx_gpiolib_link(struct s3c_gpio_chip *chip)
+{
+	chip->chip.direction_input = s5pc1xx_gpiolib_input;
+	chip->chip.direction_output = s5pc1xx_gpiolib_output;
+	chip->pm = __gpio_pm(&s3c_gpio_pm_4bit);
+
+	/* Interrupt */
+	if (chip->config == &gpio_cfg) {
+		int i, irq;
+
+		chip->chip.to_irq = s5pc1xx_gpiolib_to_irq;
+
+		for (i = 0;  i < chip->chip.ngpio; i++) {
+			irq = S3C_IRQ_GPIO_BASE + chip->chip.base + i;
+			set_irq_chip(irq, &s5pc1xx_gpioint);
+			set_irq_data(irq, &chip->chip);
+			set_irq_handler(irq, handle_level_irq);
+			set_irq_flags(irq, IRQF_VALID);
+		}
+	} else if (chip->config == &gpio_cfg_eint)
+		chip->chip.to_irq = s5pc1xx_gpiolib_to_eint;
+}
+
+static __init void s5pc1xx_gpiolib_add(struct s3c_gpio_chip *chips,
+				       int nr_chips,
+				       void (*fn)(struct s3c_gpio_chip *))
+{
+	for (; nr_chips > 0; nr_chips--, chips++) {
+		if (fn)
+			(fn)(chips);
+		s3c_gpiolib_add(chips);
+	}
+}
+
+static __init int s5pc1xx_gpiolib_init(void)
+{
+	struct s3c_gpio_chip *chips;
+	int nr_chips;
+
+		chips = s5pc100_gpio_chips;
+		nr_chips = ARRAY_SIZE(s5pc100_gpio_chips);
+
+	s5pc1xx_gpiolib_add(chips, nr_chips, s5pc1xx_gpiolib_link);
+	/* Interrupt */
+	set_irq_chained_handler(IRQ_GPIOINT, s5pc1xx_irq_gpioint_handler);
+
+	return 0;
+}
+core_initcall(s5pc1xx_gpiolib_init);
diff --git a/arch/arm/plat-s5pc1xx/include/plat/gpio-cfg-s5pc1xx.h b/arch/arm/plat-s5pc1xx/include/plat/gpio-cfg-s5pc1xx.h
new file mode 100644
index 000000000000..72ad59f61efc
--- /dev/null
+++ b/arch/arm/plat-s5pc1xx/include/plat/gpio-cfg-s5pc1xx.h
@@ -0,0 +1,32 @@
+/* linux/arch/arm/plat-s5pc1xx/include/plat/gpio-cfg.h
+ *
+ * Copyright 2009 Samsung Electronic
+ *
+ * S5PC1XX Platform - GPIO pin 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.
+*/
+
+/* This file contains the necessary definitions to get the basic gpio
+ * pin configuration done such as setting a pin to input or output or
+ * changing the pull-{up,down} configurations.
+ */
+
+#ifndef __GPIO_CFG_S5PC1XX_H
+#define __GPIO_CFG_S5PC1XX_H __FILE__
+
+typedef unsigned int __bitwise__ s5p_gpio_drvstr_t;
+
+#define S5P_GPIO_DRVSTR_LV1	0x00
+#define S5P_GPIO_DRVSTR_LV2	0x01
+#define S5P_GPIO_DRVSTR_LV3	0x10
+#define S5P_GPIO_DRVSTR_LV4	0x11
+
+extern s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin, unsigned int off);
+
+extern int s5p_gpio_set_drvstr(unsigned int pin, unsigned int off,
+			s5p_gpio_drvstr_t drvstr);
+
+#endif /* __GPIO_CFG_S5PC1XX_H */
diff --git a/arch/arm/plat-s5pc1xx/include/plat/gpio-ext.h b/arch/arm/plat-s5pc1xx/include/plat/gpio-ext.h
new file mode 100644
index 000000000000..33ad267e8477
--- /dev/null
+++ b/arch/arm/plat-s5pc1xx/include/plat/gpio-ext.h
@@ -0,0 +1,44 @@
+/* linux/arch/arm/plat-s5pc1xx/include/plat/gpio-eint.h
+ *
+ * Copyright 2009 Samsung Electronics Co.
+ *
+ * External Interrupt (GPH0 ~ GPH3) control register 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.
+*/
+
+#define S5PC1XX_WKUP_INT_CON0_7		(S5PC1XX_EINT_BASE + 0x0)
+#define S5PC1XX_WKUP_INT_CON8_15	(S5PC1XX_EINT_BASE + 0x4)
+#define S5PC1XX_WKUP_INT_CON16_23	(S5PC1XX_EINT_BASE + 0x8)
+#define S5PC1XX_WKUP_INT_CON24_31	(S5PC1XX_EINT_BASE + 0xC)
+#define S5PC1XX_WKUP_INT_CON(x)		(S5PC1XX_WKUP_INT_CON0_7 + (x * 0x4))
+
+#define S5PC1XX_WKUP_INT_FLTCON0_3	(S5PC1XX_EINT_BASE + 0x80)
+#define S5PC1XX_WKUP_INT_FLTCON4_7	(S5PC1XX_EINT_BASE + 0x84)
+#define S5PC1XX_WKUP_INT_FLTCON8_11	(S5PC1XX_EINT_BASE + 0x88)
+#define S5PC1XX_WKUP_INT_FLTCON12_15	(S5PC1XX_EINT_BASE + 0x8C)
+#define S5PC1XX_WKUP_INT_FLTCON16_19	(S5PC1XX_EINT_BASE + 0x90)
+#define S5PC1XX_WKUP_INT_FLTCON20_23	(S5PC1XX_EINT_BASE + 0x94)
+#define S5PC1XX_WKUP_INT_FLTCON24_27	(S5PC1XX_EINT_BASE + 0x98)
+#define S5PC1XX_WKUP_INT_FLTCON28_31	(S5PC1XX_EINT_BASE + 0x9C)
+#define S5PC1XX_WKUP_INT_FLTCON(x)	(S5PC1XX_WKUP_INT_FLTCON0_3 + (x * 0x4))
+
+#define S5PC1XX_WKUP_INT_MASK0_7	(S5PC1XX_EINT_BASE + 0x100)
+#define S5PC1XX_WKUP_INT_MASK8_15	(S5PC1XX_EINT_BASE + 0x104)
+#define S5PC1XX_WKUP_INT_MASK16_23	(S5PC1XX_EINT_BASE + 0x108)
+#define S5PC1XX_WKUP_INT_MASK24_31	(S5PC1XX_EINT_BASE + 0x10C)
+#define S5PC1XX_WKUP_INT_MASK(x)	(S5PC1XX_WKUP_INT_MASK0_7 + (x * 0x4))
+
+#define S5PC1XX_WKUP_INT_PEND0_7	(S5PC1XX_EINT_BASE + 0x140)
+#define S5PC1XX_WKUP_INT_PEND8_15	(S5PC1XX_EINT_BASE + 0x144)
+#define S5PC1XX_WKUP_INT_PEND16_23	(S5PC1XX_EINT_BASE + 0x148)
+#define S5PC1XX_WKUP_INT_PEND24_31	(S5PC1XX_EINT_BASE + 0x14C)
+#define S5PC1XX_WKUP_INT_PEND(x)	(S5PC1XX_WKUP_INT_PEND0_7 + (x * 0x4))
+
+#define S5PC1XX_WKUP_INT_LOWLEV		(0x00)
+#define S5PC1XX_WKUP_INT_HILEV		(0x01)
+#define S5PC1XX_WKUP_INT_FALLEDGE	(0x02)
+#define S5PC1XX_WKUP_INT_RISEEDGE	(0x03)
+#define S5PC1XX_WKUP_INT_BOTHEDGE	(0x04)
diff --git a/arch/arm/plat-s5pc1xx/include/plat/irqs.h b/arch/arm/plat-s5pc1xx/include/plat/irqs.h
index f07d8c3b25d6..ef8736366f0d 100644
--- a/arch/arm/plat-s5pc1xx/include/plat/irqs.h
+++ b/arch/arm/plat-s5pc1xx/include/plat/irqs.h
@@ -171,12 +171,21 @@
 #define IRQ_SDMIRQ		S5PC1XX_IRQ_VIC2(30)
 #define IRQ_SDMFIQ		S5PC1XX_IRQ_VIC2(31)
 
+/* External interrupt */
 #define S3C_IRQ_EINT_BASE	(IRQ_SDMFIQ + 1)
 
-#define S3C_EINT(x)		((x) + S3C_IRQ_EINT_BASE)
-#define IRQ_EINT(x)		S3C_EINT(x)
+#define S3C_EINT(x)		(S3C_IRQ_EINT_BASE + (x - 16))
+#define IRQ_EINT(x)		(x < 16 ? IRQ_EINT0 + x : S3C_EINT(x))
+#define IRQ_EINT_BIT(x)		(x < IRQ_EINT16_31 ? x - IRQ_EINT0 : x - S3C_EINT(0))
 
-#define NR_IRQS 		(IRQ_EINT(31)+1)
+/* GPIO interrupt */
+#define S3C_IRQ_GPIO_BASE	(IRQ_EINT(31) + 1)
+#define S3C_IRQ_GPIO(x)		(S3C_IRQ_GPIO_BASE + (x))
+
+/*
+ * Until MP04 Groups -> 40 (exactly 39) Groups * 8 ~= 320 GPIOs
+ */
+#define NR_IRQS			(S3C_IRQ_GPIO(320) + 1)
 
 #endif /* __ASM_PLAT_S5PC1XX_IRQS_H */
 
diff --git a/arch/arm/plat-s5pc1xx/include/plat/regs-clock.h b/arch/arm/plat-s5pc1xx/include/plat/regs-clock.h
index 75c8390cb827..c5cc86e92d65 100644
--- a/arch/arm/plat-s5pc1xx/include/plat/regs-clock.h
+++ b/arch/arm/plat-s5pc1xx/include/plat/regs-clock.h
@@ -13,68 +13,69 @@
 #ifndef __PLAT_REGS_CLOCK_H
 #define __PLAT_REGS_CLOCK_H __FILE__
 
-#define S5PC1XX_CLKREG(x)		(S5PC1XX_VA_CLK + (x))
-
-#define S5PC1XX_APLL_LOCK		S5PC1XX_CLKREG(0x00)
-#define S5PC1XX_MPLL_LOCK		S5PC1XX_CLKREG(0x04)
-#define S5PC1XX_EPLL_LOCK		S5PC1XX_CLKREG(0x08)
-#define S5PC100_HPLL_LOCK		S5PC1XX_CLKREG(0x0C)
-
-#define S5PC1XX_APLL_CON		S5PC1XX_CLKREG(0x100)
-#define S5PC1XX_MPLL_CON		S5PC1XX_CLKREG(0x104)
-#define S5PC1XX_EPLL_CON		S5PC1XX_CLKREG(0x108)
-#define S5PC100_HPLL_CON		S5PC1XX_CLKREG(0x10C)
-
-#define S5PC1XX_CLK_SRC0		S5PC1XX_CLKREG(0x200)
-#define S5PC1XX_CLK_SRC1		S5PC1XX_CLKREG(0x204)
-#define S5PC1XX_CLK_SRC2		S5PC1XX_CLKREG(0x208)
-#define S5PC1XX_CLK_SRC3		S5PC1XX_CLKREG(0x20C)
-
-#define S5PC1XX_CLK_DIV0		S5PC1XX_CLKREG(0x300)
-#define S5PC1XX_CLK_DIV1		S5PC1XX_CLKREG(0x304)
-#define S5PC1XX_CLK_DIV2		S5PC1XX_CLKREG(0x308)
-#define S5PC1XX_CLK_DIV3		S5PC1XX_CLKREG(0x30C)
-#define S5PC1XX_CLK_DIV4		S5PC1XX_CLKREG(0x310)
-
-#define S5PC100_CLK_OUT			S5PC1XX_CLKREG(0x400)
-
-#define S5PC100_CLKGATE_D00		S5PC1XX_CLKREG(0x500)
-#define S5PC100_CLKGATE_D01		S5PC1XX_CLKREG(0x504)
-#define S5PC100_CLKGATE_D02		S5PC1XX_CLKREG(0x508)
-
-#define S5PC100_CLKGATE_D10		S5PC1XX_CLKREG(0x520)
-#define S5PC100_CLKGATE_D11		S5PC1XX_CLKREG(0x524)
-#define S5PC100_CLKGATE_D12		S5PC1XX_CLKREG(0x528)
-#define S5PC100_CLKGATE_D13		S5PC1XX_CLKREG(0x52C)
-#define S5PC100_CLKGATE_D14		S5PC1XX_CLKREG(0x530)
-#define S5PC100_CLKGATE_D15		S5PC1XX_CLKREG(0x534)
-
-#define S5PC100_CLKGATE_D20		S5PC1XX_CLKREG(0x540)
-
-#define S5PC100_SCLKGATE0		S5PC1XX_CLKREG(0x560)
-#define S5PC100_SCLKGATE1		S5PC1XX_CLKREG(0x564)
-
-#define S5PC100_OTHERS          S5PC1XX_CLKREG(0x8200)
-
-#define S5PC1XX_EPLL_EN     (1<<31)
-#define S5PC1XX_EPLL_MASK   0xffffffff
-#define S5PC1XX_EPLLVAL(_m, _p, _s)   ((_m) << 16 | ((_p) << 8) | ((_s)))
+#define S5PC100_CLKREG(x)		(S5PC1XX_VA_CLK + (x))
+#define S5PC100_CLKREG_OTHER(x)		(S5PC1XX_VA_CLK_OTHER + (x))
+
+/* s5pc100 register for clock */
+#define S5PC100_APLL_LOCK		S5PC100_CLKREG(0x00)
+#define S5PC100_MPLL_LOCK		S5PC100_CLKREG(0x04)
+#define S5PC100_EPLL_LOCK		S5PC100_CLKREG(0x08)
+#define S5PC100_HPLL_LOCK		S5PC100_CLKREG(0x0C)
+
+#define S5PC100_APLL_CON		S5PC100_CLKREG(0x100)
+#define S5PC100_MPLL_CON		S5PC100_CLKREG(0x104)
+#define S5PC100_EPLL_CON		S5PC100_CLKREG(0x108)
+#define S5PC100_HPLL_CON		S5PC100_CLKREG(0x10C)
+
+#define S5PC100_CLKSRC0			S5PC100_CLKREG(0x200)
+#define S5PC100_CLKSRC1			S5PC100_CLKREG(0x204)
+#define S5PC100_CLKSRC2			S5PC100_CLKREG(0x208)
+#define S5PC100_CLKSRC3			S5PC100_CLKREG(0x20C)
+
+#define S5PC100_CLKDIV0			S5PC100_CLKREG(0x300)
+#define S5PC100_CLKDIV1			S5PC100_CLKREG(0x304)
+#define S5PC100_CLKDIV2			S5PC100_CLKREG(0x308)
+#define S5PC100_CLKDIV3			S5PC100_CLKREG(0x30C)
+#define S5PC100_CLKDIV4			S5PC100_CLKREG(0x310)
+
+#define S5PC100_CLK_OUT			S5PC100_CLKREG(0x400)
+
+#define S5PC100_CLKGATE_D00		S5PC100_CLKREG(0x500)
+#define S5PC100_CLKGATE_D01		S5PC100_CLKREG(0x504)
+#define S5PC100_CLKGATE_D02		S5PC100_CLKREG(0x508)
+
+#define S5PC100_CLKGATE_D10		S5PC100_CLKREG(0x520)
+#define S5PC100_CLKGATE_D11		S5PC100_CLKREG(0x524)
+#define S5PC100_CLKGATE_D12		S5PC100_CLKREG(0x528)
+#define S5PC100_CLKGATE_D13		S5PC100_CLKREG(0x52C)
+#define S5PC100_CLKGATE_D14		S5PC100_CLKREG(0x530)
+#define S5PC100_CLKGATE_D15		S5PC100_CLKREG(0x534)
+
+#define S5PC100_CLKGATE_D20		S5PC100_CLKREG(0x540)
+
+#define S5PC100_SCLKGATE0		S5PC100_CLKREG(0x560)
+#define S5PC100_SCLKGATE1		S5PC100_CLKREG(0x564)
+
+/* EPLL_CON */
+#define S5PC100_EPLL_EN			(1<<31)
+#define S5PC100_EPLL_MASK		0xffffffff
+#define S5PC100_EPLLVAL(_m, _p, _s)	((_m) << 16 | ((_p) << 8) | ((_s)))
 
 /* CLKSRC0 */
-#define S5PC1XX_CLKSRC0_APLL_MASK		(0x1<<0)
-#define S5PC1XX_CLKSRC0_APLL_SHIFT		(0)
-#define S5PC1XX_CLKSRC0_MPLL_MASK		(0x1<<4)
-#define S5PC1XX_CLKSRC0_MPLL_SHIFT		(4)
-#define S5PC1XX_CLKSRC0_EPLL_MASK		(0x1<<8)
-#define S5PC1XX_CLKSRC0_EPLL_SHIFT		(8)
+#define S5PC100_CLKSRC0_APLL_MASK		(0x1<<0)
+#define S5PC100_CLKSRC0_APLL_SHIFT		(0)
+#define S5PC100_CLKSRC0_MPLL_MASK		(0x1<<4)
+#define S5PC100_CLKSRC0_MPLL_SHIFT		(4)
+#define S5PC100_CLKSRC0_EPLL_MASK		(0x1<<8)
+#define S5PC100_CLKSRC0_EPLL_SHIFT		(8)
 #define S5PC100_CLKSRC0_HPLL_MASK		(0x1<<12)
 #define S5PC100_CLKSRC0_HPLL_SHIFT		(12)
 #define S5PC100_CLKSRC0_AMMUX_MASK		(0x1<<16)
 #define S5PC100_CLKSRC0_AMMUX_SHIFT		(16)
 #define S5PC100_CLKSRC0_HREF_MASK		(0x1<<20)
 #define S5PC100_CLKSRC0_HREF_SHIFT		(20)
-#define S5PC1XX_CLKSRC0_ONENAND_MASK	(0x1<<24)
-#define S5PC1XX_CLKSRC0_ONENAND_SHIFT	(24)
+#define S5PC100_CLKSRC0_ONENAND_MASK	(0x1<<24)
+#define S5PC100_CLKSRC0_ONENAND_SHIFT	(24)
 
 
 /* CLKSRC1 */
@@ -127,10 +128,9 @@
 #define S5PC100_CLKSRC3_SPDIF_MASK		(0x3<<24)
 #define S5PC100_CLKSRC3_SPDIF_SHIFT		(24)
 
-
 /* CLKDIV0 */
-#define S5PC1XX_CLKDIV0_APLL_MASK		(0x1<<0)
-#define S5PC1XX_CLKDIV0_APLL_SHIFT		(0)
+#define S5PC100_CLKDIV0_APLL_MASK		(0x1<<0)
+#define S5PC100_CLKDIV0_APLL_SHIFT		(0)
 #define S5PC100_CLKDIV0_ARM_MASK		(0x7<<4)
 #define S5PC100_CLKDIV0_ARM_SHIFT		(4)
 #define S5PC100_CLKDIV0_D0_MASK		(0x7<<8)
@@ -141,8 +141,8 @@
 #define S5PC100_CLKDIV0_SECSS_SHIFT		(16)
 
 /* CLKDIV1 */
-#define S5PC100_CLKDIV1_AM_MASK		(0x7<<0)
-#define S5PC100_CLKDIV1_AM_SHIFT		(0)
+#define S5PC100_CLKDIV1_APLL2_MASK		(0x7<<0)
+#define S5PC100_CLKDIV1_APLL2_SHIFT		(0)
 #define S5PC100_CLKDIV1_MPLL_MASK		(0x3<<4)
 #define S5PC100_CLKDIV1_MPLL_SHIFT		(4)
 #define S5PC100_CLKDIV1_MPLL2_MASK		(0x1<<8)
@@ -202,7 +202,6 @@
 #define S5PC100_CLKDIV4_AUDIO2_MASK		(0xf<<20)
 #define S5PC100_CLKDIV4_AUDIO2_SHIFT	(20)
 
-
 /* HCLKD0/PCLKD0 Clock Gate 0 Registers */
 #define S5PC100_CLKGATE_D00_INTC		(1<<0)
 #define S5PC100_CLKGATE_D00_TZIC		(1<<1)
@@ -295,8 +294,8 @@
 #define S5PC100_CLKGATE_D20_I2SD2		(1<<1)
 
 /* Special Clock Gate 0 Registers */
-#define	S5PC1XX_CLKGATE_SCLK0_HPM		(1<<0)
-#define	S5PC1XX_CLKGATE_SCLK0_PWI		(1<<1)
+#define	S5PC100_CLKGATE_SCLK0_HPM		(1<<0)
+#define	S5PC100_CLKGATE_SCLK0_PWI		(1<<1)
 #define	S5PC100_CLKGATE_SCLK0_ONENAND	(1<<2)
 #define	S5PC100_CLKGATE_SCLK0_UART		(1<<3)
 #define	S5PC100_CLKGATE_SCLK0_SPI0		(1<<4)
@@ -329,89 +328,28 @@
 #define	S5PC100_CLKGATE_SCLK1_SPDIF		(1<<11)
 #define	S5PC100_CLKGATE_SCLK1_CAM		(1<<12)
 
-/* register for power management */
-#define S5PC100_PWR_CFG 		S5PC1XX_CLKREG(0x8000)
-#define S5PC100_EINT_WAKEUP_MASK 	S5PC1XX_CLKREG(0x8004)
-#define S5PC100_NORMAL_CFG 		S5PC1XX_CLKREG(0x8010)
-#define S5PC100_STOP_CFG 		S5PC1XX_CLKREG(0x8014)
-#define S5PC100_SLEEP_CFG 		S5PC1XX_CLKREG(0x8018)
-#define S5PC100_STOP_MEM_CFG 	S5PC1XX_CLKREG(0x801C)
-#define S5PC100_OSC_FREQ 		S5PC1XX_CLKREG(0x8100)
-#define S5PC100_OSC_STABLE 		S5PC1XX_CLKREG(0x8104)
-#define S5PC100_PWR_STABLE 		S5PC1XX_CLKREG(0x8108)
-#define S5PC100_MTC_STABLE 		S5PC1XX_CLKREG(0x8110)
-#define S5PC100_CLAMP_STABLE 	S5PC1XX_CLKREG(0x8114)
-#define S5PC100_OTHERS 		S5PC1XX_CLKREG(0x8200)
-#define S5PC100_RST_STAT 		S5PC1XX_CLKREG(0x8300)
-#define S5PC100_WAKEUP_STAT 	S5PC1XX_CLKREG(0x8304)
-#define S5PC100_BLK_PWR_STAT 	S5PC1XX_CLKREG(0x8308)
-#define S5PC100_INFORM0 		S5PC1XX_CLKREG(0x8400)
-#define S5PC100_INFORM1 		S5PC1XX_CLKREG(0x8404)
-#define S5PC100_INFORM2 		S5PC1XX_CLKREG(0x8408)
-#define S5PC100_INFORM3 		S5PC1XX_CLKREG(0x840C)
-#define S5PC100_INFORM4 		S5PC1XX_CLKREG(0x8410)
-#define S5PC100_INFORM5 		S5PC1XX_CLKREG(0x8414)
-#define S5PC100_INFORM6 		S5PC1XX_CLKREG(0x8418)
-#define S5PC100_INFORM7 		S5PC1XX_CLKREG(0x841C)
-#define S5PC100_DCGIDX_MAP0 	S5PC1XX_CLKREG(0x8500)
-#define S5PC100_DCGIDX_MAP1 	S5PC1XX_CLKREG(0x8504)
-#define S5PC100_DCGIDX_MAP2 	S5PC1XX_CLKREG(0x8508)
-#define S5PC100_DCGPERF_MAP0 	S5PC1XX_CLKREG(0x850C)
-#define S5PC100_DCGPERF_MAP1 	S5PC1XX_CLKREG(0x8510)
-#define S5PC100_DVCIDX_MAP 		S5PC1XX_CLKREG(0x8514)
-#define S5PC100_FREQ_CPU 		S5PC1XX_CLKREG(0x8518)
-#define S5PC100_FREQ_DPM 		S5PC1XX_CLKREG(0x851C)
-#define S5PC100_DVSEMCLK_EN 	S5PC1XX_CLKREG(0x8520)
-#define S5PC100_APLL_CON_L8 	S5PC1XX_CLKREG(0x8600)
-#define S5PC100_APLL_CON_L7 	S5PC1XX_CLKREG(0x8604)
-#define S5PC100_APLL_CON_L6 	S5PC1XX_CLKREG(0x8608)
-#define S5PC100_APLL_CON_L5 	S5PC1XX_CLKREG(0x860C)
-#define S5PC100_APLL_CON_L4 	S5PC1XX_CLKREG(0x8610)
-#define S5PC100_APLL_CON_L3 	S5PC1XX_CLKREG(0x8614)
-#define S5PC100_APLL_CON_L2 	S5PC1XX_CLKREG(0x8618)
-#define S5PC100_APLL_CON_L1 	S5PC1XX_CLKREG(0x861C)
-#define S5PC100_IEM_CONTROL 	S5PC1XX_CLKREG(0x8620)
-#define S5PC100_CLKDIV_IEM_L8 	S5PC1XX_CLKREG(0x8700)
-#define S5PC100_CLKDIV_IEM_L7 	S5PC1XX_CLKREG(0x8704)
-#define S5PC100_CLKDIV_IEM_L6 	S5PC1XX_CLKREG(0x8708)
-#define S5PC100_CLKDIV_IEM_L5 	S5PC1XX_CLKREG(0x870C)
-#define S5PC100_CLKDIV_IEM_L4 	S5PC1XX_CLKREG(0x8710)
-#define S5PC100_CLKDIV_IEM_L3 	S5PC1XX_CLKREG(0x8714)
-#define S5PC100_CLKDIV_IEM_L2 	S5PC1XX_CLKREG(0x8718)
-#define S5PC100_CLKDIV_IEM_L1 	S5PC1XX_CLKREG(0x871C)
-#define S5PC100_IEM_HPMCLK_DIV 	S5PC1XX_CLKREG(0x8724)
-
-#define S5PC100_SWRESET		S5PC1XX_CLKREG(0x100000)
-#define S5PC100_OND_SWRESET		S5PC1XX_CLKREG(0x100008)
-#define S5PC100_GEN_CTRL		S5PC1XX_CLKREG(0x100100)
-#define S5PC100_GEN_STATUS		S5PC1XX_CLKREG(0x100104)
-#define S5PC100_MEM_SYS_CFG		S5PC1XX_CLKREG(0x100200)
-#define S5PC100_CAM_MUX_SEL		S5PC1XX_CLKREG(0x100300)
-#define S5PC100_MIXER_OUT_SEL	S5PC1XX_CLKREG(0x100304)
-#define S5PC100_LPMP_MODE_SEL	S5PC1XX_CLKREG(0x100308)
-#define S5PC100_MIPI_PHY_CON0	S5PC1XX_CLKREG(0x100400)
-#define S5PC100_MIPI_PHY_CON1	S5PC1XX_CLKREG(0x100414)
-#define S5PC100_HDMI_PHY_CON0	S5PC1XX_CLKREG(0x100420)
-
-#define S5PC100_CFG_WFI_CLEAN	(~(3<<5))
-#define S5PC100_CFG_WFI_IDLE	(1<<5)
-#define S5PC100_CFG_WFI_STOP	(2<<5)
-#define S5PC100_CFG_WFI_SLEEP	(3<<5)
-
+#define S5PC100_SWRESET		S5PC100_CLKREG_OTHER(0x000)
+#define S5PC100_OND_SWRESET	S5PC100_CLKREG_OTHER(0x008)
+#define S5PC100_GEN_CTRL	S5PC100_CLKREG_OTHER(0x100)
+#define S5PC100_GEN_STATUS	S5PC100_CLKREG_OTHER(0x104)
+#define S5PC100_MEM_SYS_CFG	S5PC100_CLKREG_OTHER(0x200)
+#define S5PC100_CAM_MUX_SEL	S5PC100_CLKREG_OTHER(0x300)
+#define S5PC100_MIXER_OUT_SEL	S5PC100_CLKREG_OTHER(0x304)
+#define S5PC100_LPMP_MODE_SEL	S5PC100_CLKREG_OTHER(0x308)
+#define S5PC100_MIPI_PHY_CON0	S5PC100_CLKREG_OTHER(0x400)
+#define S5PC100_MIPI_PHY_CON1	S5PC100_CLKREG_OTHER(0x414)
+#define S5PC100_HDMI_PHY_CON0	S5PC100_CLKREG_OTHER(0x420)
+
+#define S5PC100_SWRESET_RESETVAL	0xc100
 #define S5PC100_OTHER_SYS_INT	24
 #define S5PC100_OTHER_STA_TYPE	23
 #define STA_TYPE_EXPON		0
 #define STA_TYPE_SFR		1
 
-#define S5PC100_PWR_STA_EXP_SCALE	0
-#define S5PC100_PWR_STA_CNT		4
-
-#define S5PC100_PWR_STABLE_COUNT	85500
-
 #define S5PC100_SLEEP_CFG_OSC_EN	0
 
 /* OTHERS Resgister */
-#define S5PC100_OTHERS_USB_SIG_MASK 	(1 << 16)
+#define S5PC100_OTHERS_USB_SIG_MASK	(1 << 16)
 #define S5PC100_OTHERS_MIPI_DPHY_EN		(1 << 28)
 
 /* MIPI D-PHY Control Register 0 */
diff --git a/arch/arm/plat-s5pc1xx/include/plat/regs-gpio.h b/arch/arm/plat-s5pc1xx/include/plat/regs-gpio.h
new file mode 100644
index 000000000000..43c7bc8bf784
--- /dev/null
+++ b/arch/arm/plat-s5pc1xx/include/plat/regs-gpio.h
@@ -0,0 +1,70 @@
+/* linux/arch/arm/plat-s5pc1xx/include/plat/regs-gpio.h
+ *
+ * Copyright 2009 Samsung Electronics Co.
+ *      Byungho Min <bhmin@samsung.com>
+ *
+ * S5PC1XX - GPIO register definitions
+ */
+
+#ifndef __ASM_PLAT_S5PC1XX_REGS_GPIO_H
+#define __ASM_PLAT_S5PC1XX_REGS_GPIO_H __FILE__
+
+#include <mach/map.h>
+
+/* S5PC100 */
+#define S5PC100_GPIO_BASE	S5PC1XX_VA_GPIO
+#define S5PC100_GPA0_BASE	(S5PC100_GPIO_BASE + 0x0000)
+#define S5PC100_GPA1_BASE	(S5PC100_GPIO_BASE + 0x0020)
+#define S5PC100_GPB_BASE	(S5PC100_GPIO_BASE + 0x0040)
+#define S5PC100_GPC_BASE	(S5PC100_GPIO_BASE + 0x0060)
+#define S5PC100_GPD_BASE	(S5PC100_GPIO_BASE + 0x0080)
+#define S5PC100_GPE0_BASE	(S5PC100_GPIO_BASE + 0x00A0)
+#define S5PC100_GPE1_BASE	(S5PC100_GPIO_BASE + 0x00C0)
+#define S5PC100_GPF0_BASE	(S5PC100_GPIO_BASE + 0x00E0)
+#define S5PC100_GPF1_BASE	(S5PC100_GPIO_BASE + 0x0100)
+#define S5PC100_GPF2_BASE	(S5PC100_GPIO_BASE + 0x0120)
+#define S5PC100_GPF3_BASE	(S5PC100_GPIO_BASE + 0x0140)
+#define S5PC100_GPG0_BASE	(S5PC100_GPIO_BASE + 0x0160)
+#define S5PC100_GPG1_BASE	(S5PC100_GPIO_BASE + 0x0180)
+#define S5PC100_GPG2_BASE	(S5PC100_GPIO_BASE + 0x01A0)
+#define S5PC100_GPG3_BASE	(S5PC100_GPIO_BASE + 0x01C0)
+#define S5PC100_GPH0_BASE	(S5PC100_GPIO_BASE + 0x0C00)
+#define S5PC100_GPH1_BASE	(S5PC100_GPIO_BASE + 0x0C20)
+#define S5PC100_GPH2_BASE	(S5PC100_GPIO_BASE + 0x0C40)
+#define S5PC100_GPH3_BASE	(S5PC100_GPIO_BASE + 0x0C60)
+#define S5PC100_GPI_BASE	(S5PC100_GPIO_BASE + 0x01E0)
+#define S5PC100_GPJ0_BASE	(S5PC100_GPIO_BASE + 0x0200)
+#define S5PC100_GPJ1_BASE	(S5PC100_GPIO_BASE + 0x0220)
+#define S5PC100_GPJ2_BASE	(S5PC100_GPIO_BASE + 0x0240)
+#define S5PC100_GPJ3_BASE	(S5PC100_GPIO_BASE + 0x0260)
+#define S5PC100_GPJ4_BASE	(S5PC100_GPIO_BASE + 0x0280)
+#define S5PC100_GPK0_BASE	(S5PC100_GPIO_BASE + 0x02A0)
+#define S5PC100_GPK1_BASE	(S5PC100_GPIO_BASE + 0x02C0)
+#define S5PC100_GPK2_BASE	(S5PC100_GPIO_BASE + 0x02E0)
+#define S5PC100_GPK3_BASE	(S5PC100_GPIO_BASE + 0x0300)
+#define S5PC100_GPL0_BASE	(S5PC100_GPIO_BASE + 0x0320)
+#define S5PC100_GPL1_BASE	(S5PC100_GPIO_BASE + 0x0340)
+#define S5PC100_GPL2_BASE	(S5PC100_GPIO_BASE + 0x0360)
+#define S5PC100_GPL3_BASE	(S5PC100_GPIO_BASE + 0x0380)
+#define S5PC100_GPL4_BASE	(S5PC100_GPIO_BASE + 0x03A0)
+#define S5PC100_EINT_BASE	(S5PC100_GPIO_BASE + 0x0E00)
+
+#define S5PC100_UHOST		(S5PC100_GPIO_BASE + 0x0B68)
+#define S5PC100_PDNEN		(S5PC100_GPIO_BASE + 0x0F80)
+
+/* PDNEN */
+#define S5PC100_PDNEN_CFG_PDNEN	(1 << 1)
+#define S5PC100_PDNEN_CFG_AUTO	(0 << 1)
+#define S5PC100_PDNEN_POWERDOWN	(1 << 0)
+#define S5PC100_PDNEN_NORMAL	(0 << 0)
+
+/* Common part */
+/* External interrupt base is same at both s5pc100 and s5pc110 */
+#define S5PC1XX_EINT_BASE	(S5PC100_EINT_BASE)
+
+#define S5PC100_GPx_INPUT(__gpio)	(0x0 << ((__gpio) * 4))
+#define S5PC100_GPx_OUTPUT(__gpio)	(0x1 << ((__gpio) * 4))
+#define S5PC100_GPx_CONMASK(__gpio)	(0xf << ((__gpio) * 4))
+
+#endif /* __ASM_PLAT_S5PC1XX_REGS_GPIO_H */
+
diff --git a/arch/arm/plat-s5pc1xx/include/plat/regs-power.h b/arch/arm/plat-s5pc1xx/include/plat/regs-power.h
new file mode 100644
index 000000000000..02ffa491b53a
--- /dev/null
+++ b/arch/arm/plat-s5pc1xx/include/plat/regs-power.h
@@ -0,0 +1,84 @@
+/* arch/arm/plat-s5pc1xx/include/plat/regs-clock.h
+ *
+ * Copyright 2009 Samsung Electronics Co.
+ *	Jongse Won <jongse.won@samsung.com>
+ *
+ * S5PC1XX clock register 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.
+*/
+
+#ifndef __ASM_ARM_REGS_PWR
+#define __ASM_ARM_REGS_PWR __FILE__
+
+#define S5PC1XX_PWRREG(x)			(S5PC1XX_VA_PWR + (x))
+
+/* s5pc100 (0xE0108000) register for power management */
+#define S5PC100_PWR_CFG				S5PC1XX_PWRREG(0x0)
+#define S5PC100_EINT_WAKEUP_MASK		S5PC1XX_PWRREG(0x4)
+#define S5PC100_NORMAL_CFG			S5PC1XX_PWRREG(0x10)
+#define S5PC100_STOP_CFG			S5PC1XX_PWRREG(0x14)
+#define S5PC100_SLEEP_CFG			S5PC1XX_PWRREG(0x18)
+#define S5PC100_STOP_MEM_CFG			S5PC1XX_PWRREG(0x1C)
+#define S5PC100_OSC_FREQ			S5PC1XX_PWRREG(0x100)
+#define S5PC100_OSC_STABLE			S5PC1XX_PWRREG(0x104)
+#define S5PC100_PWR_STABLE			S5PC1XX_PWRREG(0x108)
+#define S5PC100_MTC_STABLE			S5PC1XX_PWRREG(0x110)
+#define S5PC100_CLAMP_STABLE			S5PC1XX_PWRREG(0x114)
+#define S5PC100_OTHERS				S5PC1XX_PWRREG(0x200)
+#define S5PC100_RST_STAT			S5PC1XX_PWRREG(0x300)
+#define S5PC100_WAKEUP_STAT			S5PC1XX_PWRREG(0x304)
+#define S5PC100_BLK_PWR_STAT			S5PC1XX_PWRREG(0x308)
+#define S5PC100_INFORM0				S5PC1XX_PWRREG(0x400)
+#define S5PC100_INFORM1				S5PC1XX_PWRREG(0x404)
+#define S5PC100_INFORM2				S5PC1XX_PWRREG(0x408)
+#define S5PC100_INFORM3				S5PC1XX_PWRREG(0x40C)
+#define S5PC100_INFORM4				S5PC1XX_PWRREG(0x410)
+#define S5PC100_INFORM5				S5PC1XX_PWRREG(0x414)
+#define S5PC100_INFORM6				S5PC1XX_PWRREG(0x418)
+#define S5PC100_INFORM7				S5PC1XX_PWRREG(0x41C)
+#define S5PC100_DCGIDX_MAP0			S5PC1XX_PWRREG(0x500)
+#define S5PC100_DCGIDX_MAP1			S5PC1XX_PWRREG(0x504)
+#define S5PC100_DCGIDX_MAP2			S5PC1XX_PWRREG(0x508)
+#define S5PC100_DCGPERF_MAP0			S5PC1XX_PWRREG(0x50C)
+#define S5PC100_DCGPERF_MAP1			S5PC1XX_PWRREG(0x510)
+#define S5PC100_DVCIDX_MAP			S5PC1XX_PWRREG(0x514)
+#define S5PC100_FREQ_CPU			S5PC1XX_PWRREG(0x518)
+#define S5PC100_FREQ_DPM			S5PC1XX_PWRREG(0x51C)
+#define S5PC100_DVSEMCLK_EN			S5PC1XX_PWRREG(0x520)
+#define S5PC100_APLL_CON_L8			S5PC1XX_PWRREG(0x600)
+#define S5PC100_APLL_CON_L7			S5PC1XX_PWRREG(0x604)
+#define S5PC100_APLL_CON_L6			S5PC1XX_PWRREG(0x608)
+#define S5PC100_APLL_CON_L5			S5PC1XX_PWRREG(0x60C)
+#define S5PC100_APLL_CON_L4			S5PC1XX_PWRREG(0x610)
+#define S5PC100_APLL_CON_L3			S5PC1XX_PWRREG(0x614)
+#define S5PC100_APLL_CON_L2			S5PC1XX_PWRREG(0x618)
+#define S5PC100_APLL_CON_L1			S5PC1XX_PWRREG(0x61C)
+#define S5PC100_IEM_CONTROL			S5PC1XX_PWRREG(0x620)
+#define S5PC100_CLKDIV_IEM_L8			S5PC1XX_PWRREG(0x700)
+#define S5PC100_CLKDIV_IEM_L7			S5PC1XX_PWRREG(0x704)
+#define S5PC100_CLKDIV_IEM_L6			S5PC1XX_PWRREG(0x708)
+#define S5PC100_CLKDIV_IEM_L5			S5PC1XX_PWRREG(0x70C)
+#define S5PC100_CLKDIV_IEM_L4			S5PC1XX_PWRREG(0x710)
+#define S5PC100_CLKDIV_IEM_L3			S5PC1XX_PWRREG(0x714)
+#define S5PC100_CLKDIV_IEM_L2			S5PC1XX_PWRREG(0x718)
+#define S5PC100_CLKDIV_IEM_L1			S5PC1XX_PWRREG(0x71C)
+#define S5PC100_IEM_HPMCLK_DIV			S5PC1XX_PWRREG(0x724)
+
+/* PWR_CFG */
+#define S5PC100_PWRCFG_CFG_DEEP_IDLE		(1 << 31)
+#define S5PC100_PWRCFG_CFG_WFI_MASK		(3 << 5)
+#define S5PC100_PWRCFG_CFG_WFI_IDLE		(0 << 5)
+#define S5PC100_PWRCFG_CFG_WFI_DEEP_IDLE	(1 << 5)
+#define S5PC100_PWRCFG_CFG_WFI_STOP		(2 << 5)
+#define S5PC100_PWRCFG_CFG_WFI_SLEEP		(3 << 5)
+
+/* SLEEP_CFG */
+#define S5PC100_SLEEP_OSC_EN_SLEEP		(1 << 0)
+
+/* OTHERS */
+#define S5PC100_PMU_INT_DISABLE			(1 << 24)
+
+#endif /* __ASM_ARM_REGS_PWR */
diff --git a/arch/arm/plat-s5pc1xx/include/plat/s5pc100.h b/arch/arm/plat-s5pc1xx/include/plat/s5pc100.h
index 45e275131665..2531f34a56f3 100644
--- a/arch/arm/plat-s5pc1xx/include/plat/s5pc100.h
+++ b/arch/arm/plat-s5pc1xx/include/plat/s5pc100.h
@@ -35,10 +35,9 @@ extern struct clk clk_hpll;
 extern struct clk clk_hd0;
 extern struct clk clk_pd0;
 extern struct clk clk_54m;
-extern struct clk clk_dout_mpll2;
 extern void s5pc1xx_register_clocks(void);
-extern int s5pc1xx_sclk0_ctrl(struct clk *clk, int enable);
-extern int s5pc1xx_sclk1_ctrl(struct clk *clk, int enable);
+extern int s5pc100_sclk0_ctrl(struct clk *clk, int enable);
+extern int s5pc100_sclk1_ctrl(struct clk *clk, int enable);
 
 /* Some day, belows will be moved to plat-s5pc/include/plat/devs.h */
 extern struct s3c24xx_uart_resources s5pc1xx_uart_resources[];
diff --git a/arch/arm/plat-s5pc1xx/irq-eint.c b/arch/arm/plat-s5pc1xx/irq-eint.c
new file mode 100644
index 000000000000..373122f57d56
--- /dev/null
+++ b/arch/arm/plat-s5pc1xx/irq-eint.c
@@ -0,0 +1,281 @@
+/*
+ * linux/arch/arm/plat-s5pc1xx/irq-eint.c
+ *
+ *  Copyright 2009 Samsung Electronics Co.
+ *  Byungho Min <bhmin@samsung.com>
+ *  Kyungin Park <kyungmin.park@samsung.com>
+ *
+ * Based on plat-s3c64xx/irq-eint.c
+ *
+ * S5PC1XX - Interrupt handling for IRQ_EINT(x)
+ *
+ * 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/interrupt.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <linux/sysdev.h>
+#include <linux/pm.h>
+#include <linux/gpio.h>
+
+#include <asm/hardware/vic.h>
+
+#include <mach/map.h>
+
+#include <plat/gpio-cfg.h>
+#include <plat/gpio-ext.h>
+#include <plat/pm.h>
+#include <plat/regs-gpio.h>
+#include <plat/regs-irqtype.h>
+
+/*
+ * bank is a group of external interrupt
+ * bank0 means EINT0 ... EINT7
+ * bank1 means EINT8 ... EINT15
+ * bank2 means EINT16 ... EINT23
+ * bank3 means EINT24 ... EINT31
+ */
+
+static inline int s3c_get_eint(unsigned int irq)
+{
+	int real;
+
+	if (irq < IRQ_EINT16_31)
+		real = (irq - IRQ_EINT0);
+	else
+		real = (irq - S3C_IRQ_EINT_BASE) + IRQ_EINT16_31 - IRQ_EINT0;
+
+	return real;
+}
+
+static inline int s3c_get_bank(unsigned int irq)
+{
+	return s3c_get_eint(irq) >> 3;
+}
+
+static inline int s3c_eint_to_bit(unsigned int irq)
+{
+	int real, bit;
+
+	real = s3c_get_eint(irq);
+	bit = 1 << (real & (8 - 1));
+
+	return bit;
+}
+
+static inline void s3c_irq_eint_mask(unsigned int irq)
+{
+	u32 mask;
+	u32 bank = s3c_get_bank(irq);
+
+	mask = __raw_readl(S5PC1XX_WKUP_INT_MASK(bank));
+	mask |= s3c_eint_to_bit(irq);
+	__raw_writel(mask, S5PC1XX_WKUP_INT_MASK(bank));
+}
+
+static void s3c_irq_eint_unmask(unsigned int irq)
+{
+	u32 mask;
+	u32 bank = s3c_get_bank(irq);
+
+	mask = __raw_readl(S5PC1XX_WKUP_INT_MASK(bank));
+	mask &= ~(s3c_eint_to_bit(irq));
+	__raw_writel(mask, S5PC1XX_WKUP_INT_MASK(bank));
+}
+
+static inline void s3c_irq_eint_ack(unsigned int irq)
+{
+	u32 bank = s3c_get_bank(irq);
+
+	__raw_writel(s3c_eint_to_bit(irq), S5PC1XX_WKUP_INT_PEND(bank));
+}
+
+static void s3c_irq_eint_maskack(unsigned int irq)
+{
+	/* compiler should in-line these */
+	s3c_irq_eint_mask(irq);
+	s3c_irq_eint_ack(irq);
+}
+
+static int s3c_irq_eint_set_type(unsigned int irq, unsigned int type)
+{
+	u32 bank = s3c_get_bank(irq);
+	int real = s3c_get_eint(irq);
+	int gpio, shift, sfn;
+	u32 ctrl, con = 0;
+
+	switch (type) {
+	case IRQ_TYPE_NONE:
+		printk(KERN_WARNING "No edge setting!\n");
+		break;
+
+	case IRQ_TYPE_EDGE_RISING:
+		con = S5PC1XX_WKUP_INT_RISEEDGE;
+		break;
+
+	case IRQ_TYPE_EDGE_FALLING:
+		con = S5PC1XX_WKUP_INT_FALLEDGE;
+		break;
+
+	case IRQ_TYPE_EDGE_BOTH:
+		con = S5PC1XX_WKUP_INT_BOTHEDGE;
+		break;
+
+	case IRQ_TYPE_LEVEL_LOW:
+		con = S5PC1XX_WKUP_INT_LOWLEV;
+		break;
+
+	case IRQ_TYPE_LEVEL_HIGH:
+		con = S5PC1XX_WKUP_INT_HILEV;
+		break;
+
+	default:
+		printk(KERN_ERR "No such irq type %d", type);
+		return -EINVAL;
+	}
+
+	gpio = real & (8 - 1);
+	shift = gpio << 2;
+
+	ctrl = __raw_readl(S5PC1XX_WKUP_INT_CON(bank));
+	ctrl &= ~(0x7 << shift);
+	ctrl |= con << shift;
+	__raw_writel(ctrl, S5PC1XX_WKUP_INT_CON(bank));
+
+	switch (real) {
+	case 0 ... 7:
+			gpio = S5PC100_GPH0(gpio);
+		break;
+	case 8 ... 15:
+			gpio = S5PC100_GPH1(gpio);
+		break;
+	case 16 ... 23:
+			gpio = S5PC100_GPH2(gpio);
+		break;
+	case 24 ... 31:
+			gpio = S5PC100_GPH3(gpio);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	sfn = S3C_GPIO_SFN(0x2);
+	s3c_gpio_cfgpin(gpio, sfn);
+
+	return 0;
+}
+
+static struct irq_chip s3c_irq_eint = {
+	.name		= "EINT",
+	.mask		= s3c_irq_eint_mask,
+	.unmask		= s3c_irq_eint_unmask,
+	.mask_ack	= s3c_irq_eint_maskack,
+	.ack		= s3c_irq_eint_ack,
+	.set_type	= s3c_irq_eint_set_type,
+	.set_wake	= s3c_irqext_wake,
+};
+
+/* s3c_irq_demux_eint
+ *
+ * This function demuxes the IRQ from external interrupts,
+ * from IRQ_EINT(16) to IRQ_EINT(31). It is designed to be inlined into
+ * the specific handlers s3c_irq_demux_eintX_Y.
+ */
+static inline void s3c_irq_demux_eint(unsigned int start, unsigned int end)
+{
+	u32 status = __raw_readl(S5PC1XX_WKUP_INT_PEND((start >> 3)));
+	u32 mask = __raw_readl(S5PC1XX_WKUP_INT_MASK((start >> 3)));
+	unsigned int irq;
+
+	status &= ~mask;
+	status &= (1 << (end - start + 1)) - 1;
+
+	for (irq = IRQ_EINT(start); irq <= IRQ_EINT(end); irq++) {
+		if (status & 1)
+			generic_handle_irq(irq);
+
+		status >>= 1;
+	}
+}
+
+static void s3c_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc)
+{
+	s3c_irq_demux_eint(16, 23);
+	s3c_irq_demux_eint(24, 31);
+}
+
+/*
+ * Handle EINT0 ... EINT15 at VIC directly
+ */
+static void s3c_irq_vic_eint_mask(unsigned int irq)
+{
+	void __iomem *base = get_irq_chip_data(irq);
+	unsigned int real;
+
+	s3c_irq_eint_mask(irq);
+	real = s3c_get_eint(irq);
+	writel(1 << real, base + VIC_INT_ENABLE_CLEAR);
+}
+
+static void s3c_irq_vic_eint_unmask(unsigned int irq)
+{
+	void __iomem *base = get_irq_chip_data(irq);
+	unsigned int real;
+
+	s3c_irq_eint_unmask(irq);
+	real = s3c_get_eint(irq);
+	writel(1 << real, base + VIC_INT_ENABLE);
+}
+
+static inline void s3c_irq_vic_eint_ack(unsigned int irq)
+{
+	u32 bit;
+	u32 bank = s3c_get_bank(irq);
+
+	bit = s3c_eint_to_bit(irq);
+	__raw_writel(bit, S5PC1XX_WKUP_INT_PEND(bank));
+}
+
+static void s3c_irq_vic_eint_maskack(unsigned int irq)
+{
+	/* compiler should in-line these */
+	s3c_irq_vic_eint_mask(irq);
+	s3c_irq_vic_eint_ack(irq);
+}
+
+static struct irq_chip s3c_irq_vic_eint = {
+	.name		= "EINT",
+	.mask		= s3c_irq_vic_eint_mask,
+	.unmask		= s3c_irq_vic_eint_unmask,
+	.mask_ack	= s3c_irq_vic_eint_maskack,
+	.ack		= s3c_irq_vic_eint_ack,
+	.set_type	= s3c_irq_eint_set_type,
+	.set_wake	= s3c_irqext_wake,
+};
+
+static int __init s5pc1xx_init_irq_eint(void)
+{
+	int irq;
+
+	for (irq = IRQ_EINT0; irq <= IRQ_EINT15; irq++) {
+		set_irq_chip(irq, &s3c_irq_vic_eint);
+		set_irq_handler(irq, handle_level_irq);
+		set_irq_flags(irq, IRQF_VALID);
+	}
+
+	for (irq = IRQ_EINT(16); irq <= IRQ_EINT(31); irq++) {
+		set_irq_chip(irq, &s3c_irq_eint);
+		set_irq_handler(irq, handle_level_irq);
+		set_irq_flags(irq, IRQF_VALID);
+	}
+
+	set_irq_chained_handler(IRQ_EINT16_31, s3c_irq_demux_eint16_31);
+
+	return 0;
+}
+
+arch_initcall(s5pc1xx_init_irq_eint);
diff --git a/arch/arm/plat-s5pc1xx/irq-gpio.c b/arch/arm/plat-s5pc1xx/irq-gpio.c
new file mode 100644
index 000000000000..fecca7a679b0
--- /dev/null
+++ b/arch/arm/plat-s5pc1xx/irq-gpio.c
@@ -0,0 +1,266 @@
+/*
+ * arch/arm/plat-s5pc1xx/irq-gpio.c
+ *
+ * Copyright (C) 2009 Samsung Electronics
+ *
+ * S5PC1XX - Interrupt handling for IRQ_GPIO${group}(x)
+ *
+ * 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/interrupt.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+
+#include <mach/map.h>
+#include <plat/gpio-cfg.h>
+
+#define S5PC1XX_GPIOREG(x)		(S5PC1XX_VA_GPIO + (x))
+
+#define CON_OFFSET			0x700
+#define MASK_OFFSET			0x900
+#define PEND_OFFSET			0xA00
+#define CON_OFFSET_2			0xE00
+#define MASK_OFFSET_2			0xF00
+#define PEND_OFFSET_2			0xF40
+
+#define GPIOINT_LEVEL_LOW		0x0
+#define GPIOINT_LEVEL_HIGH		0x1
+#define GPIOINT_EDGE_FALLING		0x2
+#define GPIOINT_EDGE_RISING		0x3
+#define GPIOINT_EDGE_BOTH		0x4
+
+static int group_to_con_offset(int group)
+{
+	return group << 2;
+}
+
+static int group_to_mask_offset(int group)
+{
+	return group << 2;
+}
+
+static int group_to_pend_offset(int group)
+{
+	return group << 2;
+}
+
+static int s5pc1xx_get_start(unsigned int group)
+{
+	switch (group) {
+	case 0: return S5PC100_GPIO_A0_START;
+	case 1: return S5PC100_GPIO_A1_START;
+	case 2: return S5PC100_GPIO_B_START;
+	case 3: return S5PC100_GPIO_C_START;
+	case 4: return S5PC100_GPIO_D_START;
+	case 5: return S5PC100_GPIO_E0_START;
+	case 6: return S5PC100_GPIO_E1_START;
+	case 7: return S5PC100_GPIO_F0_START;
+	case 8: return S5PC100_GPIO_F1_START;
+	case 9: return S5PC100_GPIO_F2_START;
+	case 10: return S5PC100_GPIO_F3_START;
+	case 11: return S5PC100_GPIO_G0_START;
+	case 12: return S5PC100_GPIO_G1_START;
+	case 13: return S5PC100_GPIO_G2_START;
+	case 14: return S5PC100_GPIO_G3_START;
+	case 15: return S5PC100_GPIO_I_START;
+	case 16: return S5PC100_GPIO_J0_START;
+	case 17: return S5PC100_GPIO_J1_START;
+	case 18: return S5PC100_GPIO_J2_START;
+	case 19: return S5PC100_GPIO_J3_START;
+	case 20: return S5PC100_GPIO_J4_START;
+	default:
+		BUG();
+	}
+
+	return -EINVAL;
+}
+
+static int s5pc1xx_get_group(unsigned int irq)
+{
+	irq -= S3C_IRQ_GPIO(0);
+
+	switch (irq) {
+	case S5PC100_GPIO_A0_START ... S5PC100_GPIO_A1_START - 1:
+		return 0;
+	case S5PC100_GPIO_A1_START ... S5PC100_GPIO_B_START - 1:
+		return 1;
+	case S5PC100_GPIO_B_START ... S5PC100_GPIO_C_START - 1:
+		return 2;
+	case S5PC100_GPIO_C_START ... S5PC100_GPIO_D_START - 1:
+		return 3;
+	case S5PC100_GPIO_D_START ... S5PC100_GPIO_E0_START - 1:
+		return 4;
+	case S5PC100_GPIO_E0_START ... S5PC100_GPIO_E1_START - 1:
+		return 5;
+	case S5PC100_GPIO_E1_START ... S5PC100_GPIO_F0_START - 1:
+		return 6;
+	case S5PC100_GPIO_F0_START ... S5PC100_GPIO_F1_START - 1:
+		return 7;
+	case S5PC100_GPIO_F1_START ... S5PC100_GPIO_F2_START - 1:
+		return 8;
+	case S5PC100_GPIO_F2_START ... S5PC100_GPIO_F3_START - 1:
+		return 9;
+	case S5PC100_GPIO_F3_START ... S5PC100_GPIO_G0_START - 1:
+		return 10;
+	case S5PC100_GPIO_G0_START ... S5PC100_GPIO_G1_START - 1:
+		return 11;
+	case S5PC100_GPIO_G1_START ... S5PC100_GPIO_G2_START - 1:
+		return 12;
+	case S5PC100_GPIO_G2_START ... S5PC100_GPIO_G3_START - 1:
+		return 13;
+	case S5PC100_GPIO_G3_START ... S5PC100_GPIO_H0_START - 1:
+		return 14;
+	case S5PC100_GPIO_I_START ... S5PC100_GPIO_J0_START - 1:
+		return 15;
+	case S5PC100_GPIO_J0_START ... S5PC100_GPIO_J1_START - 1:
+		return 16;
+	case S5PC100_GPIO_J1_START ... S5PC100_GPIO_J2_START - 1:
+		return 17;
+	case S5PC100_GPIO_J2_START ... S5PC100_GPIO_J3_START - 1:
+		return 18;
+	case S5PC100_GPIO_J3_START ... S5PC100_GPIO_J4_START - 1:
+		return 19;
+	case S5PC100_GPIO_J4_START ... S5PC100_GPIO_K0_START - 1:
+		return 20;
+	default:
+		BUG();
+	}
+
+	return -EINVAL;
+}
+
+static int s5pc1xx_get_offset(unsigned int irq)
+{
+	struct gpio_chip *chip = get_irq_data(irq);
+	return irq - S3C_IRQ_GPIO(chip->base);
+}
+
+static void s5pc1xx_gpioint_ack(unsigned int irq)
+{
+	int group, offset, pend_offset;
+	unsigned int value;
+
+	group = s5pc1xx_get_group(irq);
+	offset = s5pc1xx_get_offset(irq);
+	pend_offset = group_to_pend_offset(group);
+
+	value = __raw_readl(S5PC1XX_GPIOREG(PEND_OFFSET) + pend_offset);
+	value |= 1 << offset;
+	__raw_writel(value, S5PC1XX_GPIOREG(PEND_OFFSET) + pend_offset);
+}
+
+static void s5pc1xx_gpioint_mask(unsigned int irq)
+{
+	int group, offset, mask_offset;
+	unsigned int value;
+
+	group = s5pc1xx_get_group(irq);
+	offset = s5pc1xx_get_offset(irq);
+	mask_offset = group_to_mask_offset(group);
+
+	value = __raw_readl(S5PC1XX_GPIOREG(MASK_OFFSET) + mask_offset);
+	value |= 1 << offset;
+	__raw_writel(value, S5PC1XX_GPIOREG(MASK_OFFSET) + mask_offset);
+}
+
+static void s5pc1xx_gpioint_unmask(unsigned int irq)
+{
+	int group, offset, mask_offset;
+	unsigned int value;
+
+	group = s5pc1xx_get_group(irq);
+	offset = s5pc1xx_get_offset(irq);
+	mask_offset = group_to_mask_offset(group);
+
+	value = __raw_readl(S5PC1XX_GPIOREG(MASK_OFFSET) + mask_offset);
+	value &= ~(1 << offset);
+	__raw_writel(value, S5PC1XX_GPIOREG(MASK_OFFSET) + mask_offset);
+}
+
+static void s5pc1xx_gpioint_mask_ack(unsigned int irq)
+{
+	s5pc1xx_gpioint_mask(irq);
+	s5pc1xx_gpioint_ack(irq);
+}
+
+static int s5pc1xx_gpioint_set_type(unsigned int irq, unsigned int type)
+{
+	int group, offset, con_offset;
+	unsigned int value;
+
+	group = s5pc1xx_get_group(irq);
+	offset = s5pc1xx_get_offset(irq);
+	con_offset = group_to_con_offset(group);
+
+	switch (type) {
+	case IRQ_TYPE_NONE:
+		printk(KERN_WARNING "No irq type\n");
+		return -EINVAL;
+	case IRQ_TYPE_EDGE_RISING:
+		type = GPIOINT_EDGE_RISING;
+		break;
+	case IRQ_TYPE_EDGE_FALLING:
+		type = GPIOINT_EDGE_FALLING;
+		break;
+	case IRQ_TYPE_EDGE_BOTH:
+		type = GPIOINT_EDGE_BOTH;
+		break;
+	case IRQ_TYPE_LEVEL_HIGH:
+		type = GPIOINT_LEVEL_HIGH;
+		break;
+	case IRQ_TYPE_LEVEL_LOW:
+		type = GPIOINT_LEVEL_LOW;
+		break;
+	default:
+		BUG();
+	}
+
+
+	value = __raw_readl(S5PC1XX_GPIOREG(CON_OFFSET) + con_offset);
+	value &= ~(0xf << (offset * 0x4));
+	value |= (type << (offset * 0x4));
+	__raw_writel(value, S5PC1XX_GPIOREG(CON_OFFSET) + con_offset);
+
+	return 0;
+}
+
+struct irq_chip s5pc1xx_gpioint = {
+	.name		= "GPIO",
+	.ack		= s5pc1xx_gpioint_ack,
+	.mask		= s5pc1xx_gpioint_mask,
+	.mask_ack	= s5pc1xx_gpioint_mask_ack,
+	.unmask		= s5pc1xx_gpioint_unmask,
+	.set_type	= s5pc1xx_gpioint_set_type,
+};
+
+void s5pc1xx_irq_gpioint_handler(unsigned int irq, struct irq_desc *desc)
+{
+	int group, offset, pend_offset, mask_offset;
+	int real_irq, group_end;
+	unsigned int pend, mask;
+
+	group_end = 21;
+
+	for (group = 0; group < group_end; group++) {
+		pend_offset = group_to_pend_offset(group);
+		pend = __raw_readl(S5PC1XX_GPIOREG(PEND_OFFSET) + pend_offset);
+		if (!pend)
+			continue;
+
+		mask_offset = group_to_mask_offset(group);
+		mask = __raw_readl(S5PC1XX_GPIOREG(MASK_OFFSET) + mask_offset);
+		pend &= ~mask;
+
+		for (offset = 0; offset < 8; offset++) {
+			if (pend & (1 << offset)) {
+				real_irq = s5pc1xx_get_start(group) + offset;
+				generic_handle_irq(S3C_IRQ_GPIO(real_irq));
+			}
+		}
+	}
+}
diff --git a/arch/arm/plat-s5pc1xx/irq.c b/arch/arm/plat-s5pc1xx/irq.c
index 80d6dd942cb8..e44fd04ef333 100644
--- a/arch/arm/plat-s5pc1xx/irq.c
+++ b/arch/arm/plat-s5pc1xx/irq.c
@@ -79,7 +79,7 @@ static void s3c_irq_timer_ack(unsigned int irq)
 {
 	u32 reg = __raw_readl(S3C64XX_TINT_CSTAT);
 
-	reg &= 0x1f;
+	reg &= 0x1f;  /* mask out pending interrupts */
 	reg |= (1 << 5) << (irq - IRQ_TIMER0);
 	__raw_writel(reg, S3C64XX_TINT_CSTAT);
 }
diff --git a/arch/arm/plat-s5pc1xx/s5pc100-clock.c b/arch/arm/plat-s5pc1xx/s5pc100-clock.c
index 6b24035172fa..b436d44510c8 100644
--- a/arch/arm/plat-s5pc1xx/s5pc100-clock.c
+++ b/arch/arm/plat-s5pc1xx/s5pc100-clock.c
@@ -49,6 +49,7 @@ static struct clk clk_ext_xtal_mux = {
 #define clk_fin_hpll clk_ext_xtal_mux
 
 #define clk_fout_mpll	clk_mpll
+#define clk_vclk_54m	clk_54m
 
 struct clk_sources {
 	unsigned int	nr_sources;
@@ -67,746 +68,327 @@ struct clksrc_clk {
 	void __iomem		*reg_source;
 };
 
-static int clk_default_setrate(struct clk *clk, unsigned long rate)
-{
-	clk->rate = rate;
-	return 1;
-}
-
-struct clk clk_27m = {
-	.name		= "clk_27m",
+/* APLL */
+static struct clk clk_fout_apll = {
+	.name		= "fout_apll",
 	.id		= -1,
 	.rate		= 27000000,
 };
 
-static int clk_48m_ctrl(struct clk *clk, int enable)
-{
-	unsigned long flags;
-	u32 val;
+static struct clk *clk_src_apll_list[] = {
+	[0] = &clk_fin_apll,
+	[1] = &clk_fout_apll,
+};
+
+static struct clk_sources clk_src_apll = {
+	.sources	= clk_src_apll_list,
+	.nr_sources	= ARRAY_SIZE(clk_src_apll_list),
+};
 
-	/* can't rely on clock lock, this register has other usages */
-	local_irq_save(flags);
+static struct clksrc_clk clk_mout_apll = {
+	.clk	= {
+		.name		= "mout_apll",
+		.id		= -1,
+	},
+	.shift		= S5PC100_CLKSRC0_APLL_SHIFT,
+	.mask		= S5PC100_CLKSRC0_APLL_MASK,
+	.sources	= &clk_src_apll,
+	.reg_source	= S5PC100_CLKSRC0,
+};
 
-	val = __raw_readl(S5PC1XX_CLK_SRC1);
-	if (enable)
-		val |= S5PC100_CLKSRC1_CLK48M_MASK;
-	else
-		val &= ~S5PC100_CLKSRC1_CLK48M_MASK;
+static unsigned long s5pc100_clk_dout_apll_get_rate(struct clk *clk)
+{
+	unsigned long rate = clk_get_rate(clk->parent);
+	unsigned int ratio;
 
-	__raw_writel(val, S5PC1XX_CLK_SRC1);
-	local_irq_restore(flags);
+	ratio = __raw_readl(S5PC100_CLKDIV0) & S5PC100_CLKDIV0_APLL_MASK;
+	ratio >>= S5PC100_CLKDIV0_APLL_SHIFT;
 
-	return 0;
+	return rate / (ratio + 1);
 }
 
-struct clk clk_48m = {
-	.name		= "clk_48m",
+static struct clk clk_dout_apll = {
+	.name		= "dout_apll",
 	.id		= -1,
-	.rate		= 48000000,
-	.enable		= clk_48m_ctrl,
+	.parent		= &clk_mout_apll.clk,
+	.get_rate	= s5pc100_clk_dout_apll_get_rate,
 };
 
-struct clk clk_54m = {
-	.name		= "clk_54m",
-	.id		= -1,
-	.rate		= 54000000,
-};
-
-struct clk clk_hpll = {
-	.name		= "hpll",
-	.id		= -1,
-};
+static unsigned long s5pc100_clk_arm_get_rate(struct clk *clk)
+{
+	unsigned long rate = clk_get_rate(clk->parent);
+	unsigned int ratio;
 
-struct clk clk_hd0 = {
-	.name		= "hclkd0",
-	.id		= -1,
-	.rate		= 0,
-	.parent		= NULL,
-	.ctrlbit	= 0,
-	.set_rate	= clk_default_setrate,
-};
+	ratio = __raw_readl(S5PC100_CLKDIV0) & S5PC100_CLKDIV0_ARM_MASK;
+	ratio >>= S5PC100_CLKDIV0_ARM_SHIFT;
 
-struct clk clk_pd0 = {
-	.name		= "pclkd0",
-	.id		= -1,
-	.rate		= 0,
-	.parent		= NULL,
-	.ctrlbit	= 0,
-	.set_rate	= clk_default_setrate,
-};
+	return rate / (ratio + 1);
+}
 
-static int s5pc1xx_clk_gate(void __iomem *reg,
-				struct clk *clk,
-				int enable)
+static unsigned long s5pc100_clk_arm_round_rate(struct clk *clk,
+						unsigned long rate)
 {
-	unsigned int ctrlbit = clk->ctrlbit;
-	u32 con;
+	unsigned long parent = clk_get_rate(clk->parent);
+	u32 div;
 
-	con = __raw_readl(reg);
+	if (parent < rate)
+		return rate;
 
-	if (enable)
-		con |= ctrlbit;
-	else
-		con &= ~ctrlbit;
+	div = (parent / rate) - 1;
+	if (div > S5PC100_CLKDIV0_ARM_MASK)
+		div = S5PC100_CLKDIV0_ARM_MASK;
 
-	__raw_writel(con, reg);
-	return 0;
+	return parent / (div + 1);
 }
 
-static int s5pc1xx_clk_d00_ctrl(struct clk *clk, int enable)
+static int s5pc100_clk_arm_set_rate(struct clk *clk, unsigned long rate)
 {
-	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D00, clk, enable);
-}
+	unsigned long parent = clk_get_rate(clk->parent);
+	u32 div;
+	u32 val;
 
-static int s5pc1xx_clk_d01_ctrl(struct clk *clk, int enable)
-{
-	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D01, clk, enable);
-}
+	if (rate < parent / (S5PC100_CLKDIV0_ARM_MASK + 1))
+		return -EINVAL;
 
-static int s5pc1xx_clk_d02_ctrl(struct clk *clk, int enable)
-{
-	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D02, clk, enable);
-}
+	rate = clk_round_rate(clk, rate);
+	div = clk_get_rate(clk->parent) / rate;
 
-static int s5pc1xx_clk_d10_ctrl(struct clk *clk, int enable)
-{
-	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D10, clk, enable);
-}
+	val = __raw_readl(S5PC100_CLKDIV0);
+	val &= S5PC100_CLKDIV0_ARM_MASK;
+	val |= (div - 1);
+	__raw_writel(val, S5PC100_CLKDIV0);
 
-static int s5pc1xx_clk_d11_ctrl(struct clk *clk, int enable)
-{
-	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D11, clk, enable);
+	return 0;
 }
 
-static int s5pc1xx_clk_d12_ctrl(struct clk *clk, int enable)
-{
-	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D12, clk, enable);
-}
+static struct clk clk_arm = {
+	.name		= "armclk",
+	.id		= -1,
+	.parent		= &clk_dout_apll,
+	.get_rate	= s5pc100_clk_arm_get_rate,
+	.set_rate	= s5pc100_clk_arm_set_rate,
+	.round_rate	= s5pc100_clk_arm_round_rate,
+};
 
-static int s5pc1xx_clk_d13_ctrl(struct clk *clk, int enable)
+static unsigned long s5pc100_clk_dout_d0_bus_get_rate(struct clk *clk)
 {
-	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D13, clk, enable);
-}
+	unsigned long rate = clk_get_rate(clk->parent);
+	unsigned int ratio;
 
-static int s5pc1xx_clk_d14_ctrl(struct clk *clk, int enable)
-{
-	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D14, clk, enable);
-}
+	ratio = __raw_readl(S5PC100_CLKDIV0) & S5PC100_CLKDIV0_D0_MASK;
+	ratio >>= S5PC100_CLKDIV0_D0_SHIFT;
 
-static int s5pc1xx_clk_d15_ctrl(struct clk *clk, int enable)
-{
-	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D15, clk, enable);
+	return rate / (ratio + 1);
 }
 
-static int s5pc1xx_clk_d20_ctrl(struct clk *clk, int enable)
-{
-	return s5pc1xx_clk_gate(S5PC100_CLKGATE_D20, clk, enable);
-}
+static struct clk clk_dout_d0_bus = {
+	.name		= "dout_d0_bus",
+	.id		= -1,
+	.parent		= &clk_arm,
+	.get_rate	= s5pc100_clk_dout_d0_bus_get_rate,
+};
 
-int s5pc1xx_sclk0_ctrl(struct clk *clk, int enable)
+static unsigned long s5pc100_clk_dout_pclkd0_get_rate(struct clk *clk)
 {
-	return s5pc1xx_clk_gate(S5PC100_SCLKGATE0, clk, enable);
+	unsigned long rate = clk_get_rate(clk->parent);
+	unsigned int ratio;
+
+	ratio = __raw_readl(S5PC100_CLKDIV0) & S5PC100_CLKDIV0_PCLKD0_MASK;
+	ratio >>= S5PC100_CLKDIV0_PCLKD0_SHIFT;
+
+	return rate / (ratio + 1);
 }
 
-int s5pc1xx_sclk1_ctrl(struct clk *clk, int enable)
+static struct clk clk_dout_pclkd0 = {
+	.name		= "dout_pclkd0",
+	.id		= -1,
+	.parent		= &clk_dout_d0_bus,
+	.get_rate	= s5pc100_clk_dout_pclkd0_get_rate,
+};
+
+static unsigned long s5pc100_clk_dout_apll2_get_rate(struct clk *clk)
 {
-	return s5pc1xx_clk_gate(S5PC100_SCLKGATE1, clk, enable);
+	unsigned long rate = clk_get_rate(clk->parent);
+	unsigned int ratio;
+
+	ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_APLL2_MASK;
+	ratio >>= S5PC100_CLKDIV1_APLL2_SHIFT;
+
+	return rate / (ratio + 1);
 }
 
-static struct clk init_clocks_disable[] = {
-	{
-		.name		= "dsi",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d11_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D11_DSI,
-	}, {
-		.name		= "csi",
-		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s5pc1xx_clk_d11_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D11_CSI,
-	}, {
-		.name		= "ccan0",
-		.id		= 0,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_CCAN0,
-	}, {
-		.name		= "ccan1",
-		.id		= 1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_CCAN1,
-	}, {
-		.name		= "keypad",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d15_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D15_KEYIF,
-	}, {
-		.name		= "hclkd2",
-		.id		= -1,
-		.parent		= NULL,
-		.enable		= s5pc1xx_clk_d20_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D20_HCLKD2,
-	}, {
-		.name		= "iis-d2",
-		.id		= -1,
-		.parent		= NULL,
-		.enable		= s5pc1xx_clk_d20_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D20_I2SD2,
-	}, {
-		.name		= "otg",
-		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s5pc1xx_clk_d10_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D10_USBOTG,
-	},
+static struct clk clk_dout_apll2 = {
+	.name		= "dout_apll2",
+	.id		= -1,
+	.parent		= &clk_mout_apll.clk,
+	.get_rate	= s5pc100_clk_dout_apll2_get_rate,
 };
 
-static struct clk init_clocks[] = {
-	/* System1 (D0_0) devices */
-	{
-		.name		= "intc",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc1xx_clk_d00_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D00_INTC,
-	}, {
-		.name		= "tzic",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc1xx_clk_d00_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D00_TZIC,
-	}, {
-		.name		= "cf-ata",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc1xx_clk_d00_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D00_CFCON,
-	}, {
-		.name		= "mdma",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc1xx_clk_d00_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D00_MDMA,
-	}, {
-		.name		= "g2d",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc1xx_clk_d00_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D00_G2D,
-	}, {
-		.name		= "secss",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc1xx_clk_d00_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D00_SECSS,
-	}, {
-		.name		= "cssys",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc1xx_clk_d00_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D00_CSSYS,
-	},
+/* MPLL */
+static struct clk *clk_src_mpll_list[] = {
+	[0] = &clk_fin_mpll,
+	[1] = &clk_fout_mpll,
+};
 
-	/* Memory (D0_1) devices */
-	{
-		.name		= "dmc",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc1xx_clk_d01_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D01_DMC,
-	}, {
-		.name		= "sromc",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc1xx_clk_d01_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D01_SROMC,
-	}, {
-		.name		= "onenand",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc1xx_clk_d01_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D01_ONENAND,
-	}, {
-		.name		= "nand",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc1xx_clk_d01_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D01_NFCON,
-	}, {
-		.name		= "intmem",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc1xx_clk_d01_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D01_INTMEM,
-	}, {
-		.name		= "ebi",
-		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc1xx_clk_d01_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D01_EBI,
-	},
+static struct clk_sources clk_src_mpll = {
+	.sources	= clk_src_mpll_list,
+	.nr_sources	= ARRAY_SIZE(clk_src_mpll_list),
+};
 
-	/* System2 (D0_2) devices */
-	{
-		.name		= "seckey",
-		.id		= -1,
-		.parent		= &clk_pd0,
-		.enable		= s5pc1xx_clk_d02_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D02_SECKEY,
-	}, {
-		.name		= "sdm",
+static struct clksrc_clk clk_mout_mpll = {
+	.clk = {
+		.name		= "mout_mpll",
 		.id		= -1,
-		.parent		= &clk_hd0,
-		.enable		= s5pc1xx_clk_d02_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D02_SDM,
 	},
+	.shift		= S5PC100_CLKSRC0_MPLL_SHIFT,
+	.mask		= S5PC100_CLKSRC0_MPLL_MASK,
+	.sources	= &clk_src_mpll,
+	.reg_source	= S5PC100_CLKSRC0,
+};
 
-	/* File (D1_0) devices */
-	{
-		.name		= "pdma0",
-		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s5pc1xx_clk_d10_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D10_PDMA0,
-	}, {
-		.name		= "pdma1",
-		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s5pc1xx_clk_d10_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D10_PDMA1,
-	}, {
-		.name		= "usb-host",
-		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s5pc1xx_clk_d10_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D10_USBHOST,
-	}, {
-		.name		= "modem",
-		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s5pc1xx_clk_d10_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D10_MODEMIF,
-	}, {
-		.name		= "hsmmc",
-		.id		= 0,
-		.parent		= &clk_h,
-		.enable		= s5pc1xx_clk_d10_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D10_HSMMC0,
-	}, {
-		.name		= "hsmmc",
-		.id		= 1,
-		.parent		= &clk_h,
-		.enable		= s5pc1xx_clk_d10_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D10_HSMMC1,
-	}, {
-		.name		= "hsmmc",
-		.id		= 2,
-		.parent		= &clk_h,
-		.enable		= s5pc1xx_clk_d10_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D10_HSMMC2,
-	},
+static struct clk *clkset_am_list[] = {
+	[0] = &clk_mout_mpll.clk,
+	[1] = &clk_dout_apll2,
+};
 
-	/* Multimedia1 (D1_1) devices */
-	{
-		.name		= "lcd",
-		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s5pc1xx_clk_d11_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D11_LCD,
-	}, {
-		.name		= "rotator",
-		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s5pc1xx_clk_d11_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D11_ROTATOR,
-	}, {
-		.name		= "fimc",
-		.id		= 0,
-		.parent		= &clk_h,
-		.enable		= s5pc1xx_clk_d11_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D11_FIMC0,
-	}, {
-		.name		= "fimc",
-		.id		= 1,
-		.parent		= &clk_h,
-		.enable		= s5pc1xx_clk_d11_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D11_FIMC1,
-	}, {
-		.name		= "fimc",
-		.id		= 2,
-		.parent		= &clk_h,
-		.enable		= s5pc1xx_clk_d11_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D11_FIMC2,
-	}, {
-		.name		= "jpeg",
-		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s5pc1xx_clk_d11_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D11_JPEG,
-	}, {
-		.name		= "g3d",
-		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s5pc1xx_clk_d11_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D11_G3D,
-	},
+static struct clk_sources clk_src_am = {
+	.sources	= clkset_am_list,
+	.nr_sources	= ARRAY_SIZE(clkset_am_list),
+};
 
-	/* Multimedia2 (D1_2) devices */
-	{
-		.name		= "tv",
-		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s5pc1xx_clk_d12_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D12_TV,
-	}, {
-		.name		= "vp",
-		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s5pc1xx_clk_d12_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D12_VP,
-	}, {
-		.name		= "mixer",
-		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s5pc1xx_clk_d12_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D12_MIXER,
-	}, {
-		.name		= "hdmi",
-		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s5pc1xx_clk_d12_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D12_HDMI,
-	}, {
-		.name		= "mfc",
+static struct clksrc_clk clk_mout_am = {
+	.clk = {
+		.name		= "mout_am",
 		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s5pc1xx_clk_d12_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D12_MFC,
 	},
+	.shift		= S5PC100_CLKSRC0_AMMUX_SHIFT,
+	.mask		= S5PC100_CLKSRC0_AMMUX_MASK,
+	.sources	= &clk_src_am,
+	.reg_source	= S5PC100_CLKSRC0,
+};
 
-	/* System (D1_3) devices */
-	{
-		.name		= "chipid",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d13_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D13_CHIPID,
-	}, {
-		.name		= "gpio",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d13_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D13_GPIO,
-	}, {
-		.name		= "apc",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d13_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D13_APC,
-	}, {
-		.name		= "iec",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d13_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D13_IEC,
-	}, {
-		.name		= "timers",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d13_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D13_PWM,
-	}, {
-		.name		= "systimer",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d13_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D13_SYSTIMER,
-	}, {
-		.name		= "watchdog",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d13_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D13_WDT,
-	}, {
-		.name		= "rtc",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d13_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D13_RTC,
-	},
+static unsigned long s5pc100_clk_dout_d1_bus_get_rate(struct clk *clk)
+{
+	unsigned long rate = clk_get_rate(clk->parent);
+	unsigned int ratio;
 
-	/* Connectivity (D1_4) devices */
-	{
-		.name		= "uart",
-		.id		= 0,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_UART0,
-	}, {
-		.name		= "uart",
-		.id		= 1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_UART1,
-	}, {
-		.name		= "uart",
-		.id		= 2,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_UART2,
-	}, {
-		.name		= "uart",
-		.id		= 3,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_UART3,
-	}, {
-		.name		= "i2c",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_IIC,
-	}, {
-		.name		= "hdmi-i2c",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_HDMI_IIC,
-	}, {
-		.name		= "spi",
-		.id		= 0,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_SPI0,
-	}, {
-		.name		= "spi",
-		.id		= 1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_SPI1,
-	}, {
-		.name		= "spi",
-		.id		= 2,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_SPI2,
-	}, {
-		.name		= "irda",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_IRDA,
-	}, {
-		.name		= "hsitx",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_HSITX,
-	}, {
-		.name		= "hsirx",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d14_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D14_HSIRX,
-	},
+	printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate);
 
-	/* Audio (D1_5) devices */
-	{
-		.name		= "iis",
-		.id		= 0,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d15_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D15_IIS0,
-	}, {
-		.name		= "iis",
-		.id		= 1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d15_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D15_IIS1,
-	}, {
-		.name		= "iis",
-		.id		= 2,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d15_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D15_IIS2,
-	}, {
-		.name		= "ac97",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d15_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D15_AC97,
-	}, {
-		.name		= "pcm",
-		.id		= 0,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d15_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D15_PCM0,
-	}, {
-		.name		= "pcm",
-		.id		= 1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d15_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D15_PCM1,
-	}, {
-		.name		= "spdif",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d15_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D15_SPDIF,
-	}, {
-		.name		= "adc",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d15_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D15_TSADC,
-	}, {
-		.name		= "keyif",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d15_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D15_KEYIF,
-	}, {
-		.name		= "cg",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s5pc1xx_clk_d15_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_D15_CG,
-	},
+	ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_D1_MASK;
+	ratio >>= S5PC100_CLKDIV1_D1_SHIFT;
 
-	/* Audio (D2_0) devices: all disabled */
+	return rate / (ratio + 1);
+}
 
-	/* Special Clocks 1 */
-	{
-		.name		= "sclk_hpm",
-		.id		= -1,
-		.parent		= NULL,
-		.enable		= s5pc1xx_sclk0_ctrl,
-		.ctrlbit	= S5PC1XX_CLKGATE_SCLK0_HPM,
-	}, {
-		.name		= "sclk_onenand",
-		.id		= -1,
-		.parent		= NULL,
-		.enable		= s5pc1xx_sclk0_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK0_ONENAND,
-	}, {
-		.name		= "sclk_spi_48",
-		.id		= 0,
-		.parent		= &clk_48m,
-		.enable		= s5pc1xx_sclk0_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK0_SPI0_48,
-	}, {
-		.name		= "sclk_spi_48",
-		.id		= 1,
-		.parent		= &clk_48m,
-		.enable		= s5pc1xx_sclk0_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK0_SPI1_48,
-	}, {
-		.name		= "sclk_spi_48",
-		.id		= 2,
-		.parent		= &clk_48m,
-		.enable		= s5pc1xx_sclk0_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK0_SPI2_48,
-	}, {
-		.name		= "sclk_mmc_48",
-		.id		= 0,
-		.parent		= &clk_48m,
-		.enable		= s5pc1xx_sclk0_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK0_MMC0_48,
-	}, {
-		.name		= "sclk_mmc_48",
-		.id		= 1,
-		.parent		= &clk_48m,
-		.enable		= s5pc1xx_sclk0_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK0_MMC1_48,
-	}, {
-		.name		= "sclk_mmc_48",
-		.id		= 2,
-		.parent		= &clk_48m,
-		.enable		= s5pc1xx_sclk0_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK0_MMC2_48,
-	},
+static struct clk clk_dout_d1_bus = {
+	.name		= "dout_d1_bus",
+	.id		= -1,
+	.parent		= &clk_mout_am.clk,
+	.get_rate	= s5pc100_clk_dout_d1_bus_get_rate,
+};
 
-	/* Special Clocks 2 */
-	{
-		.name		= "sclk_tv_54",
-		.id		= -1,
-		.parent		= &clk_54m,
-		.enable		= s5pc1xx_sclk1_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK1_TV54,
-	}, {
-		.name		= "sclk_vdac_54",
-		.id		= -1,
-		.parent		= &clk_54m,
-		.enable		= s5pc1xx_sclk1_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK1_VDAC54,
-	}, {
-		.name		= "sclk_spdif",
+static struct clk *clkset_onenand_list[] = {
+	[0] = &clk_dout_d0_bus,
+	[1] = &clk_dout_d1_bus,
+};
+
+static struct clk_sources clk_src_onenand = {
+	.sources	= clkset_onenand_list,
+	.nr_sources	= ARRAY_SIZE(clkset_onenand_list),
+};
+
+static struct clksrc_clk clk_mout_onenand = {
+	.clk = {
+		.name		= "mout_onenand",
 		.id		= -1,
-		.parent		= NULL,
-		.enable		= s5pc1xx_sclk1_ctrl,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK1_SPDIF,
 	},
+	.shift		= S5PC100_CLKSRC0_ONENAND_SHIFT,
+	.mask		= S5PC100_CLKSRC0_ONENAND_MASK,
+	.sources	= &clk_src_onenand,
+	.reg_source	= S5PC100_CLKSRC0,
 };
 
-void __init s5pc1xx_register_clocks(void)
+static unsigned long s5pc100_clk_dout_pclkd1_get_rate(struct clk *clk)
 {
-	struct clk *clkp;
-	int ret;
-	int ptr;
+	unsigned long rate = clk_get_rate(clk->parent);
+	unsigned int ratio;
 
-	clkp = init_clocks;
-	for (ptr = 0; ptr < ARRAY_SIZE(init_clocks); ptr++, clkp++) {
-		ret = s3c24xx_register_clock(clkp);
-		if (ret < 0) {
-			printk(KERN_ERR "Failed to register clock %s (%d)\n",
-			       clkp->name, ret);
-		}
-	}
+	printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate);
 
-	clkp = init_clocks_disable;
-	for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) {
+	ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_PCLKD1_MASK;
+	ratio >>= S5PC100_CLKDIV1_PCLKD1_SHIFT;
 
-		ret = s3c24xx_register_clock(clkp);
-		if (ret < 0) {
-			printk(KERN_ERR "Failed to register clock %s (%d)\n",
-			       clkp->name, ret);
-		}
+	return rate / (ratio + 1);
+}
 
-		(clkp->enable)(clkp, 0);
-	}
+static struct clk clk_dout_pclkd1 = {
+	.name		= "dout_pclkd1",
+	.id		= -1,
+	.parent		= &clk_dout_d1_bus,
+	.get_rate	= s5pc100_clk_dout_pclkd1_get_rate,
+};
+
+static unsigned long s5pc100_clk_dout_mpll2_get_rate(struct clk *clk)
+{
+	unsigned long rate = clk_get_rate(clk->parent);
+	unsigned int ratio;
+
+	printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate);
+
+	ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_MPLL2_MASK;
+	ratio >>= S5PC100_CLKDIV1_MPLL2_SHIFT;
 
-	s3c_pwmclk_init();
+	return rate / (ratio + 1);
 }
-static struct clk clk_fout_apll = {
-	.name		= "fout_apll",
+
+static struct clk clk_dout_mpll2 = {
+	.name		= "dout_mpll2",
 	.id		= -1,
+	.parent		= &clk_mout_am.clk,
+	.get_rate	= s5pc100_clk_dout_mpll2_get_rate,
 };
 
-static struct clk *clk_src_apll_list[] = {
-	[0] = &clk_fin_apll,
-	[1] = &clk_fout_apll,
-};
+static unsigned long s5pc100_clk_dout_cam_get_rate(struct clk *clk)
+{
+	unsigned long rate = clk_get_rate(clk->parent);
+	unsigned int ratio;
 
-static struct clk_sources clk_src_apll = {
-	.sources	= clk_src_apll_list,
-	.nr_sources	= ARRAY_SIZE(clk_src_apll_list),
+	printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate);
+
+	ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_CAM_MASK;
+	ratio >>= S5PC100_CLKDIV1_CAM_SHIFT;
+
+	return rate / (ratio + 1);
+}
+
+static struct clk clk_dout_cam = {
+	.name		= "dout_cam",
+	.id		= -1,
+	.parent		= &clk_dout_mpll2,
+	.get_rate	= s5pc100_clk_dout_cam_get_rate,
 };
 
-static struct clksrc_clk clk_mout_apll = {
-	.clk	= {
-		.name		= "mout_apll",
-		.id		= -1,
-	},
-	.shift		= S5PC1XX_CLKSRC0_APLL_SHIFT,
-	.mask		= S5PC1XX_CLKSRC0_APLL_MASK,
-	.sources	= &clk_src_apll,
-	.reg_source	= S5PC1XX_CLK_SRC0,
+static unsigned long s5pc100_clk_dout_mpll_get_rate(struct clk *clk)
+{
+	unsigned long rate = clk_get_rate(clk->parent);
+	unsigned int ratio;
+
+	printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate);
+
+	ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_MPLL_MASK;
+	ratio >>= S5PC100_CLKDIV1_MPLL_SHIFT;
+
+	return rate / (ratio + 1);
+}
+
+static struct clk clk_dout_mpll = {
+	.name		= "dout_mpll",
+	.id		= -1,
+	.parent		= &clk_mout_am.clk,
+	.get_rate	= s5pc100_clk_dout_mpll_get_rate,
 };
 
+/* EPLL */
 static struct clk clk_fout_epll = {
 	.name		= "fout_epll",
 	.id		= -1,
@@ -827,91 +409,57 @@ static struct clksrc_clk clk_mout_epll = {
 		.name		= "mout_epll",
 		.id		= -1,
 	},
-	.shift		= S5PC1XX_CLKSRC0_EPLL_SHIFT,
-	.mask		= S5PC1XX_CLKSRC0_EPLL_MASK,
+	.shift		= S5PC100_CLKSRC0_EPLL_SHIFT,
+	.mask		= S5PC100_CLKSRC0_EPLL_MASK,
 	.sources	= &clk_src_epll,
-	.reg_source	= S5PC1XX_CLK_SRC0,
+	.reg_source	= S5PC100_CLKSRC0,
 };
 
-static struct clk *clk_src_mpll_list[] = {
-	[0] = &clk_fin_mpll,
-	[1] = &clk_fout_mpll,
-};
-
-static struct clk_sources clk_src_mpll = {
-	.sources	= clk_src_mpll_list,
-	.nr_sources	= ARRAY_SIZE(clk_src_mpll_list),
-};
-
-static struct clksrc_clk clk_mout_mpll = {
-	.clk = {
-		.name		= "mout_mpll",
-		.id		= -1,
-	},
-	.shift		= S5PC1XX_CLKSRC0_MPLL_SHIFT,
-	.mask		= S5PC1XX_CLKSRC0_MPLL_MASK,
-	.sources	= &clk_src_mpll,
-	.reg_source	= S5PC1XX_CLK_SRC0,
-};
-
-static unsigned long s5pc1xx_clk_doutmpll_get_rate(struct clk *clk)
-{
-	unsigned long rate = clk_get_rate(clk->parent);
-	unsigned long clkdiv;
-
-	printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate);
-
-	clkdiv = __raw_readl(S5PC1XX_CLK_DIV1) & S5PC100_CLKDIV1_MPLL_MASK;
-	rate /= (clkdiv >> S5PC100_CLKDIV1_MPLL_SHIFT) + 1;
-
-	return rate;
-}
-
-static struct clk clk_dout_mpll = {
-	.name		= "dout_mpll",
+/* HPLL */
+static struct clk clk_fout_hpll = {
+	.name		= "fout_hpll",
 	.id		= -1,
-	.parent		= &clk_mout_mpll.clk,
-	.get_rate	= s5pc1xx_clk_doutmpll_get_rate,
 };
 
-static unsigned long s5pc1xx_clk_doutmpll2_get_rate(struct clk *clk)
-{
-	unsigned long rate = clk_get_rate(clk->parent);
-	unsigned long clkdiv;
-
-	printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate);
-
-	clkdiv = __raw_readl(S5PC1XX_CLK_DIV1) & S5PC100_CLKDIV1_MPLL2_MASK;
-	rate /= (clkdiv >> S5PC100_CLKDIV1_MPLL2_SHIFT) + 1;
-
-	return rate;
-}
-
-struct clk clk_dout_mpll2 = {
-	.name		= "dout_mpll2",
-	.id		= -1,
-	.parent		= &clk_mout_mpll.clk,
-	.get_rate	= s5pc1xx_clk_doutmpll2_get_rate,
+static struct clk *clk_src_hpll_list[] = {
+	[0] = &clk_27m,
+	[1] = &clk_fout_hpll,
 };
 
-static struct clk *clkset_uart_list[] = {
-	&clk_mout_epll.clk,
-	&clk_dout_mpll,
-	NULL,
-	NULL
+static struct clk_sources clk_src_hpll = {
+	.sources	= clk_src_hpll_list,
+	.nr_sources	= ARRAY_SIZE(clk_src_hpll_list),
 };
 
-static struct clk_sources clkset_uart = {
-	.sources	= clkset_uart_list,
-	.nr_sources	= ARRAY_SIZE(clkset_uart_list),
+static struct clksrc_clk clk_mout_hpll = {
+	.clk	= {
+		.name		= "mout_hpll",
+		.id		= -1,
+	},
+	.shift		= S5PC100_CLKSRC0_HPLL_SHIFT,
+	.mask		= S5PC100_CLKSRC0_HPLL_MASK,
+	.sources	= &clk_src_hpll,
+	.reg_source	= S5PC100_CLKSRC0,
 };
 
+/* Peripherals */
+/*
+ * The peripheral clocks are all controlled via clocksource followed
+ * by an optional divider and gate stage. We currently roll this into
+ * one clock which hides the intermediate clock from the mux.
+ *
+ * Note, the JPEG clock can only be an even divider...
+ *
+ * The scaler and LCD clocks depend on the S5PC100 version, and also
+ * have a common parent divisor so are not included here.
+ */
+
 static inline struct clksrc_clk *to_clksrc(struct clk *clk)
 {
 	return container_of(clk, struct clksrc_clk, clk);
 }
 
-static unsigned long s5pc1xx_getrate_clksrc(struct clk *clk)
+static unsigned long s5pc100_getrate_clksrc(struct clk *clk)
 {
 	struct clksrc_clk *sclk = to_clksrc(clk);
 	unsigned long rate = clk_get_rate(clk->parent);
@@ -925,7 +473,7 @@ static unsigned long s5pc1xx_getrate_clksrc(struct clk *clk)
 	return rate;
 }
 
-static int s5pc1xx_setrate_clksrc(struct clk *clk, unsigned long rate)
+static int s5pc100_setrate_clksrc(struct clk *clk, unsigned long rate)
 {
 	struct clksrc_clk *sclk = to_clksrc(clk);
 	void __iomem *reg = sclk->reg_divider;
@@ -938,14 +486,14 @@ static int s5pc1xx_setrate_clksrc(struct clk *clk, unsigned long rate)
 		return -EINVAL;
 
 	val = __raw_readl(reg);
-	val &= ~(0xf << sclk->shift);
-	val |= (div - 1) << sclk->shift;
+	val &= ~(0xf << sclk->divider_shift);
+	val |= (div - 1) << sclk->divider_shift;
 	__raw_writel(val, reg);
 
 	return 0;
 }
 
-static int s5pc1xx_setparent_clksrc(struct clk *clk, struct clk *parent)
+static int s5pc100_setparent_clksrc(struct clk *clk, struct clk *parent)
 {
 	struct clksrc_clk *sclk = to_clksrc(clk);
 	struct clk_sources *srcs = sclk->sources;
@@ -970,7 +518,7 @@ static int s5pc1xx_setparent_clksrc(struct clk *clk, struct clk *parent)
 	return -EINVAL;
 }
 
-static unsigned long s5pc1xx_roundrate_clksrc(struct clk *clk,
+static unsigned long s5pc100_roundrate_clksrc(struct clk *clk,
 					      unsigned long rate)
 {
 	unsigned long parent_rate = clk_get_rate(clk->parent);
@@ -992,35 +540,466 @@ static unsigned long s5pc1xx_roundrate_clksrc(struct clk *clk,
 	return rate;
 }
 
+static struct clk *clkset_spi_list[] = {
+	&clk_mout_epll.clk,
+	&clk_dout_mpll2,
+	&clk_fin_epll,
+	&clk_mout_hpll.clk,
+};
+
+static struct clk_sources clkset_spi = {
+	.sources	= clkset_spi_list,
+	.nr_sources	= ARRAY_SIZE(clkset_spi_list),
+};
+
+static struct clksrc_clk clk_spi0 = {
+	.clk	= {
+		.name		= "spi_bus",
+		.id		= 0,
+		.ctrlbit	= S5PC100_CLKGATE_SCLK0_SPI0,
+		.enable		= s5pc100_sclk0_ctrl,
+		.set_parent	= s5pc100_setparent_clksrc,
+		.get_rate	= s5pc100_getrate_clksrc,
+		.set_rate	= s5pc100_setrate_clksrc,
+		.round_rate	= s5pc100_roundrate_clksrc,
+	},
+	.shift		= S5PC100_CLKSRC1_SPI0_SHIFT,
+	.mask		= S5PC100_CLKSRC1_SPI0_MASK,
+	.sources	= &clkset_spi,
+	.divider_shift	= S5PC100_CLKDIV2_SPI0_SHIFT,
+	.reg_divider	= S5PC100_CLKDIV2,
+	.reg_source	= S5PC100_CLKSRC1,
+};
+
+static struct clksrc_clk clk_spi1 = {
+	.clk	= {
+		.name		= "spi_bus",
+		.id		= 1,
+		.ctrlbit	= S5PC100_CLKGATE_SCLK0_SPI1,
+		.enable		= s5pc100_sclk0_ctrl,
+		.set_parent	= s5pc100_setparent_clksrc,
+		.get_rate	= s5pc100_getrate_clksrc,
+		.set_rate	= s5pc100_setrate_clksrc,
+		.round_rate	= s5pc100_roundrate_clksrc,
+	},
+	.shift		= S5PC100_CLKSRC1_SPI1_SHIFT,
+	.mask		= S5PC100_CLKSRC1_SPI1_MASK,
+	.sources	= &clkset_spi,
+	.divider_shift	= S5PC100_CLKDIV2_SPI1_SHIFT,
+	.reg_divider	= S5PC100_CLKDIV2,
+	.reg_source	= S5PC100_CLKSRC1,
+};
+
+static struct clksrc_clk clk_spi2 = {
+	.clk	= {
+		.name		= "spi_bus",
+		.id		= 2,
+		.ctrlbit	= S5PC100_CLKGATE_SCLK0_SPI2,
+		.enable		= s5pc100_sclk0_ctrl,
+		.set_parent	= s5pc100_setparent_clksrc,
+		.get_rate	= s5pc100_getrate_clksrc,
+		.set_rate	= s5pc100_setrate_clksrc,
+		.round_rate	= s5pc100_roundrate_clksrc,
+	},
+	.shift		= S5PC100_CLKSRC1_SPI2_SHIFT,
+	.mask		= S5PC100_CLKSRC1_SPI2_MASK,
+	.sources	= &clkset_spi,
+	.divider_shift	= S5PC100_CLKDIV2_SPI2_SHIFT,
+	.reg_divider	= S5PC100_CLKDIV2,
+	.reg_source	= S5PC100_CLKSRC1,
+};
+
+static struct clk *clkset_uart_list[] = {
+	&clk_mout_epll.clk,
+	&clk_dout_mpll,
+};
+
+static struct clk_sources clkset_uart = {
+	.sources	= clkset_uart_list,
+	.nr_sources	= ARRAY_SIZE(clkset_uart_list),
+};
+
 static struct clksrc_clk clk_uart_uclk1 = {
 	.clk	= {
 		.name		= "uclk1",
 		.id		= -1,
 		.ctrlbit        = S5PC100_CLKGATE_SCLK0_UART,
-		.enable		= s5pc1xx_sclk0_ctrl,
-		.set_parent	= s5pc1xx_setparent_clksrc,
-		.get_rate	= s5pc1xx_getrate_clksrc,
-		.set_rate	= s5pc1xx_setrate_clksrc,
-		.round_rate	= s5pc1xx_roundrate_clksrc,
+		.enable		= s5pc100_sclk0_ctrl,
+		.set_parent	= s5pc100_setparent_clksrc,
+		.get_rate	= s5pc100_getrate_clksrc,
+		.set_rate	= s5pc100_setrate_clksrc,
+		.round_rate	= s5pc100_roundrate_clksrc,
 	},
 	.shift		= S5PC100_CLKSRC1_UART_SHIFT,
 	.mask		= S5PC100_CLKSRC1_UART_MASK,
 	.sources	= &clkset_uart,
 	.divider_shift	= S5PC100_CLKDIV2_UART_SHIFT,
-	.reg_divider	= S5PC1XX_CLK_DIV2,
-	.reg_source	= S5PC1XX_CLK_SRC1,
+	.reg_divider	= S5PC100_CLKDIV2,
+	.reg_source	= S5PC100_CLKSRC1,
+};
+
+static struct clk clk_iis_cd0 = {
+	.name		= "iis_cdclk0",
+	.id		= -1,
+};
+
+static struct clk clk_iis_cd1 = {
+	.name		= "iis_cdclk1",
+	.id		= -1,
+};
+
+static struct clk clk_iis_cd2 = {
+	.name		= "iis_cdclk2",
+	.id		= -1,
+};
+
+static struct clk clk_pcm_cd0 = {
+	.name		= "pcm_cdclk0",
+	.id		= -1,
+};
+
+static struct clk clk_pcm_cd1 = {
+	.name		= "pcm_cdclk1",
+	.id		= -1,
+};
+
+static struct clk *clkset_audio0_list[] = {
+	&clk_mout_epll.clk,
+	&clk_dout_mpll,
+	&clk_fin_epll,
+	&clk_iis_cd0,
+	&clk_pcm_cd0,
+	&clk_mout_hpll.clk,
+};
+
+static struct clk_sources clkset_audio0 = {
+	.sources	= clkset_audio0_list,
+	.nr_sources	= ARRAY_SIZE(clkset_audio0_list),
+};
+
+static struct clksrc_clk clk_audio0 = {
+	.clk	= {
+		.name		= "audio-bus",
+		.id		= 0,
+		.ctrlbit	= S5PC100_CLKGATE_SCLK1_AUDIO0,
+		.enable		= s5pc100_sclk1_ctrl,
+		.set_parent	= s5pc100_setparent_clksrc,
+		.get_rate	= s5pc100_getrate_clksrc,
+		.set_rate	= s5pc100_setrate_clksrc,
+		.round_rate	= s5pc100_roundrate_clksrc,
+	},
+	.shift		= S5PC100_CLKSRC3_AUDIO0_SHIFT,
+	.mask		= S5PC100_CLKSRC3_AUDIO0_MASK,
+	.sources	= &clkset_audio0,
+	.divider_shift	= S5PC100_CLKDIV4_AUDIO0_SHIFT,
+	.reg_divider	= S5PC100_CLKDIV4,
+	.reg_source	= S5PC100_CLKSRC3,
+};
+
+static struct clk *clkset_audio1_list[] = {
+	&clk_mout_epll.clk,
+	&clk_dout_mpll,
+	&clk_fin_epll,
+	&clk_iis_cd1,
+	&clk_pcm_cd1,
+	&clk_mout_hpll.clk,
+};
+
+static struct clk_sources clkset_audio1 = {
+	.sources	= clkset_audio1_list,
+	.nr_sources	= ARRAY_SIZE(clkset_audio1_list),
+};
+
+static struct clksrc_clk clk_audio1 = {
+	.clk	= {
+		.name		= "audio-bus",
+		.id		= 1,
+		.ctrlbit	= S5PC100_CLKGATE_SCLK1_AUDIO1,
+		.enable		= s5pc100_sclk1_ctrl,
+		.set_parent	= s5pc100_setparent_clksrc,
+		.get_rate	= s5pc100_getrate_clksrc,
+		.set_rate	= s5pc100_setrate_clksrc,
+		.round_rate	= s5pc100_roundrate_clksrc,
+	},
+	.shift		= S5PC100_CLKSRC3_AUDIO1_SHIFT,
+	.mask		= S5PC100_CLKSRC3_AUDIO1_MASK,
+	.sources	= &clkset_audio1,
+	.divider_shift	= S5PC100_CLKDIV4_AUDIO1_SHIFT,
+	.reg_divider	= S5PC100_CLKDIV4,
+	.reg_source	= S5PC100_CLKSRC3,
+};
+
+static struct clk *clkset_audio2_list[] = {
+	&clk_mout_epll.clk,
+	&clk_dout_mpll,
+	&clk_fin_epll,
+	&clk_iis_cd2,
+	&clk_mout_hpll.clk,
+};
+
+static struct clk_sources clkset_audio2 = {
+	.sources	= clkset_audio2_list,
+	.nr_sources	= ARRAY_SIZE(clkset_audio2_list),
+};
+
+static struct clksrc_clk clk_audio2 = {
+	.clk	= {
+		.name		= "audio-bus",
+		.id		= 2,
+		.ctrlbit	= S5PC100_CLKGATE_SCLK1_AUDIO2,
+		.enable		= s5pc100_sclk1_ctrl,
+		.set_parent	= s5pc100_setparent_clksrc,
+		.get_rate	= s5pc100_getrate_clksrc,
+		.set_rate	= s5pc100_setrate_clksrc,
+		.round_rate	= s5pc100_roundrate_clksrc,
+	},
+	.shift		= S5PC100_CLKSRC3_AUDIO2_SHIFT,
+	.mask		= S5PC100_CLKSRC3_AUDIO2_MASK,
+	.sources	= &clkset_audio2,
+	.divider_shift	= S5PC100_CLKDIV4_AUDIO2_SHIFT,
+	.reg_divider	= S5PC100_CLKDIV4,
+	.reg_source	= S5PC100_CLKSRC3,
+};
+
+static struct clk *clkset_spdif_list[] = {
+	&clk_audio0.clk,
+	&clk_audio1.clk,
+	&clk_audio2.clk,
+};
+
+static struct clk_sources clkset_spdif = {
+	.sources	= clkset_spdif_list,
+	.nr_sources	= ARRAY_SIZE(clkset_spdif_list),
+};
+
+static struct clksrc_clk clk_spdif = {
+	.clk	= {
+		.name		= "spdif",
+		.id		= -1,
+	},
+	.shift		= S5PC100_CLKSRC3_SPDIF_SHIFT,
+	.mask		= S5PC100_CLKSRC3_SPDIF_MASK,
+	.sources	= &clkset_spdif,
+	.reg_source	= S5PC100_CLKSRC3,
+};
+
+static struct clk *clkset_lcd_fimc_list[] = {
+	&clk_mout_epll.clk,
+	&clk_dout_mpll,
+	&clk_mout_hpll.clk,
+	&clk_vclk_54m,
+};
+
+static struct clk_sources clkset_lcd_fimc = {
+	.sources	= clkset_lcd_fimc_list,
+	.nr_sources	= ARRAY_SIZE(clkset_lcd_fimc_list),
+};
+
+static struct clksrc_clk clk_lcd = {
+	.clk	= {
+		.name		= "lcd",
+		.id		= -1,
+		.ctrlbit	= S5PC100_CLKGATE_SCLK1_LCD,
+		.enable		= s5pc100_sclk1_ctrl,
+		.set_parent	= s5pc100_setparent_clksrc,
+		.get_rate	= s5pc100_getrate_clksrc,
+		.set_rate	= s5pc100_setrate_clksrc,
+		.round_rate	= s5pc100_roundrate_clksrc,
+	},
+	.shift		= S5PC100_CLKSRC2_LCD_SHIFT,
+	.mask		= S5PC100_CLKSRC2_LCD_MASK,
+	.sources	= &clkset_lcd_fimc,
+	.divider_shift	= S5PC100_CLKDIV3_LCD_SHIFT,
+	.reg_divider	= S5PC100_CLKDIV3,
+	.reg_source	= S5PC100_CLKSRC2,
+};
+
+static struct clksrc_clk clk_fimc0 = {
+	.clk	= {
+		.name		= "fimc",
+		.id		= 0,
+		.ctrlbit	= S5PC100_CLKGATE_SCLK1_FIMC0,
+		.enable		= s5pc100_sclk1_ctrl,
+		.set_parent	= s5pc100_setparent_clksrc,
+		.get_rate	= s5pc100_getrate_clksrc,
+		.set_rate	= s5pc100_setrate_clksrc,
+		.round_rate	= s5pc100_roundrate_clksrc,
+	},
+	.shift		= S5PC100_CLKSRC2_FIMC0_SHIFT,
+	.mask		= S5PC100_CLKSRC2_FIMC0_MASK,
+	.sources	= &clkset_lcd_fimc,
+	.divider_shift	= S5PC100_CLKDIV3_FIMC0_SHIFT,
+	.reg_divider	= S5PC100_CLKDIV3,
+	.reg_source	= S5PC100_CLKSRC2,
+};
+
+static struct clksrc_clk clk_fimc1 = {
+	.clk	= {
+		.name		= "fimc",
+		.id		= 1,
+		.ctrlbit	= S5PC100_CLKGATE_SCLK1_FIMC1,
+		.enable		= s5pc100_sclk1_ctrl,
+		.set_parent	= s5pc100_setparent_clksrc,
+		.get_rate	= s5pc100_getrate_clksrc,
+		.set_rate	= s5pc100_setrate_clksrc,
+		.round_rate	= s5pc100_roundrate_clksrc,
+	},
+	.shift		= S5PC100_CLKSRC2_FIMC1_SHIFT,
+	.mask		= S5PC100_CLKSRC2_FIMC1_MASK,
+	.sources	= &clkset_lcd_fimc,
+	.divider_shift	= S5PC100_CLKDIV3_FIMC1_SHIFT,
+	.reg_divider	= S5PC100_CLKDIV3,
+	.reg_source	= S5PC100_CLKSRC2,
+};
+
+static struct clksrc_clk clk_fimc2 = {
+	.clk	= {
+		.name		= "fimc",
+		.id		= 2,
+		.ctrlbit	= S5PC100_CLKGATE_SCLK1_FIMC2,
+		.enable		= s5pc100_sclk1_ctrl,
+		.set_parent	= s5pc100_setparent_clksrc,
+		.get_rate	= s5pc100_getrate_clksrc,
+		.set_rate	= s5pc100_setrate_clksrc,
+		.round_rate	= s5pc100_roundrate_clksrc,
+	},
+	.shift		= S5PC100_CLKSRC2_FIMC2_SHIFT,
+	.mask		= S5PC100_CLKSRC2_FIMC2_MASK,
+	.sources	= &clkset_lcd_fimc,
+	.divider_shift	= S5PC100_CLKDIV3_FIMC2_SHIFT,
+	.reg_divider	= S5PC100_CLKDIV3,
+	.reg_source	= S5PC100_CLKSRC2,
+};
+
+static struct clk *clkset_mmc_list[] = {
+	&clk_mout_epll.clk,
+	&clk_dout_mpll,
+	&clk_fin_epll,
+	&clk_mout_hpll.clk ,
+};
+
+static struct clk_sources clkset_mmc = {
+	.sources	= clkset_mmc_list,
+	.nr_sources	= ARRAY_SIZE(clkset_mmc_list),
+};
+
+static struct clksrc_clk clk_mmc0 = {
+	.clk	= {
+		.name		= "mmc_bus",
+		.id		= 0,
+		.ctrlbit	= S5PC100_CLKGATE_SCLK0_MMC0,
+		.enable		= s5pc100_sclk0_ctrl,
+		.set_parent	= s5pc100_setparent_clksrc,
+		.get_rate	= s5pc100_getrate_clksrc,
+		.set_rate	= s5pc100_setrate_clksrc,
+		.round_rate	= s5pc100_roundrate_clksrc,
+	},
+	.shift		= S5PC100_CLKSRC2_MMC0_SHIFT,
+	.mask		= S5PC100_CLKSRC2_MMC0_MASK,
+	.sources	= &clkset_mmc,
+	.divider_shift	= S5PC100_CLKDIV3_MMC0_SHIFT,
+	.reg_divider	= S5PC100_CLKDIV3,
+	.reg_source	= S5PC100_CLKSRC2,
+};
+
+static struct clksrc_clk clk_mmc1 = {
+	.clk	= {
+		.name		= "mmc_bus",
+		.id		= 1,
+		.ctrlbit	= S5PC100_CLKGATE_SCLK0_MMC1,
+		.enable		= s5pc100_sclk0_ctrl,
+		.set_parent	= s5pc100_setparent_clksrc,
+		.get_rate	= s5pc100_getrate_clksrc,
+		.set_rate	= s5pc100_setrate_clksrc,
+		.round_rate	= s5pc100_roundrate_clksrc,
+	},
+	.shift		= S5PC100_CLKSRC2_MMC1_SHIFT,
+	.mask		= S5PC100_CLKSRC2_MMC1_MASK,
+	.sources	= &clkset_mmc,
+	.divider_shift	= S5PC100_CLKDIV3_MMC1_SHIFT,
+	.reg_divider	= S5PC100_CLKDIV3,
+	.reg_source	= S5PC100_CLKSRC2,
+};
+
+static struct clksrc_clk clk_mmc2 = {
+	.clk	= {
+		.name		= "mmc_bus",
+		.id		= 2,
+		.ctrlbit	= S5PC100_CLKGATE_SCLK0_MMC2,
+		.enable		= s5pc100_sclk0_ctrl,
+		.set_parent	= s5pc100_setparent_clksrc,
+		.get_rate	= s5pc100_getrate_clksrc,
+		.set_rate	= s5pc100_setrate_clksrc,
+		.round_rate	= s5pc100_roundrate_clksrc,
+	},
+	.shift		= S5PC100_CLKSRC2_MMC2_SHIFT,
+	.mask		= S5PC100_CLKSRC2_MMC2_MASK,
+	.sources	= &clkset_mmc,
+	.divider_shift	= S5PC100_CLKDIV3_MMC2_SHIFT,
+	.reg_divider	= S5PC100_CLKDIV3,
+	.reg_source	= S5PC100_CLKSRC2,
+};
+
+
+static struct clk *clkset_usbhost_list[] = {
+	&clk_mout_epll.clk,
+	&clk_dout_mpll,
+	&clk_mout_hpll.clk,
+	&clk_48m,
+};
+
+static struct clk_sources clkset_usbhost = {
+	.sources	= clkset_usbhost_list,
+	.nr_sources	= ARRAY_SIZE(clkset_usbhost_list),
+};
+
+static struct clksrc_clk clk_usbhost = {
+	.clk	= {
+		.name		= "usbhost",
+		.id		= -1,
+		.ctrlbit        = S5PC100_CLKGATE_SCLK0_USBHOST,
+		.enable		= s5pc100_sclk0_ctrl,
+		.set_parent	= s5pc100_setparent_clksrc,
+		.get_rate	= s5pc100_getrate_clksrc,
+		.set_rate	= s5pc100_setrate_clksrc,
+		.round_rate	= s5pc100_roundrate_clksrc,
+	},
+	.shift		= S5PC100_CLKSRC1_UHOST_SHIFT,
+	.mask		= S5PC100_CLKSRC1_UHOST_MASK,
+	.sources	= &clkset_usbhost,
+	.divider_shift	= S5PC100_CLKDIV2_UHOST_SHIFT,
+	.reg_divider	= S5PC100_CLKDIV2,
+	.reg_source	= S5PC100_CLKSRC1,
 };
 
 /* Clock initialisation code */
 
 static struct clksrc_clk *init_parents[] = {
 	&clk_mout_apll,
-	&clk_mout_epll,
 	&clk_mout_mpll,
+	&clk_mout_am,
+	&clk_mout_onenand,
+	&clk_mout_epll,
+	&clk_mout_hpll,
+	&clk_spi0,
+	&clk_spi1,
+	&clk_spi2,
 	&clk_uart_uclk1,
+	&clk_audio0,
+	&clk_audio1,
+	&clk_audio2,
+	&clk_spdif,
+	&clk_lcd,
+	&clk_fimc0,
+	&clk_fimc1,
+	&clk_fimc2,
+	&clk_mmc0,
+	&clk_mmc1,
+	&clk_mmc2,
+	&clk_usbhost,
 };
 
-static void __init_or_cpufreq s5pc1xx_set_clksrc(struct clksrc_clk *clk)
+static void __init_or_cpufreq s5pc100_set_clksrc(struct clksrc_clk *clk)
 {
 	struct clk_sources *srcs = clk->sources;
 	u32 clksrc = __raw_readl(clk->reg_source);
@@ -1036,9 +1015,9 @@ static void __init_or_cpufreq s5pc1xx_set_clksrc(struct clksrc_clk *clk)
 
 	clk->clk.parent = srcs->sources[clksrc];
 
-	printk(KERN_INFO "%s: source is %s (%d), rate is %ld\n",
-	       clk->clk.name, clk->clk.parent->name, clksrc,
-	       clk_get_rate(&clk->clk));
+	printk(KERN_INFO "%s: source is %s (%d), rate is %ld.%03ld MHz\n",
+		clk->clk.name, clk->clk.parent->name, clksrc,
+		print_mhz(clk_get_rate(&clk->clk)));
 }
 
 #define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1)
@@ -1052,20 +1031,16 @@ void __init_or_cpufreq s5pc100_setup_clocks(void)
 	unsigned long hclk;
 	unsigned long pclkd0;
 	unsigned long pclk;
-	unsigned long apll;
-	unsigned long mpll;
-	unsigned long hpll;
-	unsigned long epll;
+	unsigned long apll, mpll, epll, hpll;
 	unsigned int ptr;
 	u32 clkdiv0, clkdiv1;
 
 	printk(KERN_DEBUG "%s: registering clocks\n", __func__);
 
-	clkdiv0 = __raw_readl(S5PC1XX_CLK_DIV0);
-	clkdiv1 = __raw_readl(S5PC1XX_CLK_DIV1);
+	clkdiv0 = __raw_readl(S5PC100_CLKDIV0);
+	clkdiv1 = __raw_readl(S5PC100_CLKDIV1);
 
-	printk(KERN_DEBUG "%s: clkdiv0 = %08x, clkdiv1 = %08x\n",
-			__func__, clkdiv0, clkdiv1);
+	printk(KERN_DEBUG "%s: clkdiv0 = %08x, clkdiv1 = %08x\n", __func__, clkdiv0, clkdiv1);
 
 	xtal_clk = clk_get(NULL, "xtal");
 	BUG_ON(IS_ERR(xtal_clk));
@@ -1075,48 +1050,81 @@ void __init_or_cpufreq s5pc100_setup_clocks(void)
 
 	printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
 
-	apll = s5pc1xx_get_pll(xtal, __raw_readl(S5PC1XX_APLL_CON));
-	mpll = s5pc1xx_get_pll(xtal, __raw_readl(S5PC1XX_MPLL_CON));
-	epll = s5pc1xx_get_pll(xtal, __raw_readl(S5PC1XX_EPLL_CON));
+	apll = s5pc1xx_get_pll(xtal, __raw_readl(S5PC100_APLL_CON));
+	mpll = s5pc1xx_get_pll(xtal, __raw_readl(S5PC100_MPLL_CON));
+	epll = s5pc1xx_get_pll(xtal, __raw_readl(S5PC100_EPLL_CON));
 	hpll = s5pc1xx_get_pll(xtal, __raw_readl(S5PC100_HPLL_CON));
 
-	printk(KERN_INFO "S5PC100: PLL settings, A=%ld, M=%ld, E=%ld, H=%ld\n",
-	       apll, mpll, epll, hpll);
+	printk(KERN_INFO "S5PC100: Apll=%ld.%03ld Mhz, Mpll=%ld.%03ld Mhz"
+		", Epll=%ld.%03ld Mhz, Hpll=%ld.%03ld Mhz\n",
+		print_mhz(apll), print_mhz(mpll),
+		print_mhz(epll), print_mhz(hpll));
 
-	armclk = apll / GET_DIV(clkdiv0, S5PC1XX_CLKDIV0_APLL);
+	armclk = apll / GET_DIV(clkdiv0, S5PC100_CLKDIV0_APLL);
 	armclk = armclk / GET_DIV(clkdiv0, S5PC100_CLKDIV0_ARM);
 	hclkd0 = armclk / GET_DIV(clkdiv0, S5PC100_CLKDIV0_D0);
 	pclkd0 = hclkd0 / GET_DIV(clkdiv0, S5PC100_CLKDIV0_PCLKD0);
 	hclk = mpll / GET_DIV(clkdiv1, S5PC100_CLKDIV1_D1);
 	pclk = hclk / GET_DIV(clkdiv1, S5PC100_CLKDIV1_PCLKD1);
 
-	printk(KERN_INFO "S5PC100: ARMCLK=%ld, HCLKD0=%ld, PCLKD0=%ld, HCLK=%ld, PCLK=%ld\n",
-	       armclk, hclkd0, pclkd0, hclk, pclk);
+	printk(KERN_INFO "S5PC100: ARMCLK=%ld.%03ld MHz, HCLKD0=%ld.%03ld MHz,"
+		" PCLKD0=%ld.%03ld MHz\n, HCLK=%ld.%03ld MHz,"
+		" PCLK=%ld.%03ld MHz\n",
+		print_mhz(armclk), print_mhz(hclkd0),
+		print_mhz(pclkd0), print_mhz(hclk), print_mhz(pclk));
 
 	clk_fout_apll.rate = apll;
 	clk_fout_mpll.rate = mpll;
 	clk_fout_epll.rate = epll;
-	clk_fout_apll.rate = apll;
+	clk_fout_hpll.rate = hpll;
 
 	clk_h.rate = hclk;
 	clk_p.rate = pclk;
+	clk_f.rate = armclk;
 
 	for (ptr = 0; ptr < ARRAY_SIZE(init_parents); ptr++)
-		s5pc1xx_set_clksrc(init_parents[ptr]);
+		s5pc100_set_clksrc(init_parents[ptr]);
 }
 
 static struct clk *clks[] __initdata = {
 	&clk_ext_xtal_mux,
-	&clk_mout_epll.clk,
-	&clk_fout_epll,
+	&clk_mout_apll.clk,
+	&clk_dout_apll,
+	&clk_dout_d0_bus,
+	&clk_dout_pclkd0,
+	&clk_dout_apll2,
 	&clk_mout_mpll.clk,
+	&clk_mout_am.clk,
+	&clk_dout_d1_bus,
+	&clk_mout_onenand.clk,
+	&clk_dout_pclkd1,
+	&clk_dout_mpll2,
+	&clk_dout_cam,
 	&clk_dout_mpll,
+	&clk_mout_epll.clk,
+	&clk_fout_epll,
+	&clk_iis_cd0,
+	&clk_iis_cd1,
+	&clk_iis_cd2,
+	&clk_pcm_cd0,
+	&clk_pcm_cd1,
+	&clk_spi0.clk,
+	&clk_spi1.clk,
+	&clk_spi2.clk,
 	&clk_uart_uclk1.clk,
-	&clk_ext,
-	&clk_epll,
-	&clk_27m,
-	&clk_48m,
-	&clk_54m,
+	&clk_audio0.clk,
+	&clk_audio1.clk,
+	&clk_audio2.clk,
+	&clk_spdif.clk,
+	&clk_lcd.clk,
+	&clk_fimc0.clk,
+	&clk_fimc1.clk,
+	&clk_fimc2.clk,
+	&clk_mmc0.clk,
+	&clk_mmc1.clk,
+	&clk_mmc2.clk,
+	&clk_usbhost.clk,
+	&clk_arm,
 };
 
 void __init s5pc100_register_clocks(void)
@@ -1133,7 +1141,4 @@ void __init s5pc100_register_clocks(void)
 			       clkp->name, ret);
 		}
 	}
-
-	clk_mpll.parent = &clk_mout_mpll.clk;
-	clk_epll.parent = &clk_mout_epll.clk;
 }
diff --git a/arch/arm/plat-s5pc1xx/setup-fb-24bpp.c b/arch/arm/plat-s5pc1xx/setup-fb-24bpp.c
new file mode 100644
index 000000000000..1a63768a9a2e
--- /dev/null
+++ b/arch/arm/plat-s5pc1xx/setup-fb-24bpp.c
@@ -0,0 +1,49 @@
+/*
+ * linux/arch/arm/plat-s5pc100/setup-fb-24bpp.c
+ *
+ * Copyright 2009 Samsung Electronics
+ *
+ * Base S5PC1XX setup information for 24bpp LCD framebuffer
+ *
+ * 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/fb.h>
+#include <linux/gpio.h>
+
+#include <mach/regs-fb.h>
+#include <mach/map.h>
+#include <plat/fb.h>
+#include <plat/gpio-cfg.h>
+#include <plat/gpio-cfg-s5pc1xx.h>
+
+#define DISR_OFFSET	0x7008
+
+void s5pc100_fb_gpio_setup_24bpp(void)
+{
+	unsigned int gpio = 0;
+
+	for (gpio = S5PC100_GPF0(0); gpio <= S5PC100_GPF0(7); gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+	}
+
+	for (gpio = S5PC100_GPF1(0); gpio <= S5PC100_GPF1(7); gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+	}
+
+	for (gpio = S5PC100_GPF2(0); gpio <= S5PC100_GPF2(7); gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+	}
+
+	for (gpio = S5PC100_GPF3(0); gpio <= S5PC100_GPF3(3); gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+	}
+}
diff --git a/arch/arm/plat-s5pc1xx/setup-i2c0.c b/arch/arm/plat-s5pc1xx/setup-i2c0.c
index 3d00c025fffb..5e4a7c3a231e 100644
--- a/arch/arm/plat-s5pc1xx/setup-i2c0.c
+++ b/arch/arm/plat-s5pc1xx/setup-i2c0.c
@@ -17,9 +17,14 @@
 
 struct platform_device; /* don't need the contents */
 
+#include <linux/gpio.h>
 #include <plat/iic.h>
+#include <plat/gpio-cfg.h>
 
 void s3c_i2c0_cfg_gpio(struct platform_device *dev)
 {
-	/* Pin configuration would be needed */
+	s3c_gpio_cfgpin(S5PC100_GPD(3), S3C_GPIO_SFN(2));
+	s3c_gpio_setpull(S5PC100_GPD(3), S3C_GPIO_PULL_UP);
+	s3c_gpio_cfgpin(S5PC100_GPD(4), S3C_GPIO_SFN(2));
+	s3c_gpio_setpull(S5PC100_GPD(4), S3C_GPIO_PULL_UP);
 }
diff --git a/arch/arm/plat-s5pc1xx/setup-i2c1.c b/arch/arm/plat-s5pc1xx/setup-i2c1.c
index c8f3ca42f51d..a0a8b4ae6ad8 100644
--- a/arch/arm/plat-s5pc1xx/setup-i2c1.c
+++ b/arch/arm/plat-s5pc1xx/setup-i2c1.c
@@ -17,9 +17,14 @@
 
 struct platform_device; /* don't need the contents */
 
+#include <linux/gpio.h>
 #include <plat/iic.h>
+#include <plat/gpio-cfg.h>
 
 void s3c_i2c1_cfg_gpio(struct platform_device *dev)
 {
-	/* Pin configuration would be needed */
+	s3c_gpio_cfgpin(S5PC100_GPD(5), S3C_GPIO_SFN(2));
+	s3c_gpio_setpull(S5PC100_GPD(5), S3C_GPIO_PULL_UP);
+	s3c_gpio_cfgpin(S5PC100_GPD(6), S3C_GPIO_SFN(2));
+	s3c_gpio_setpull(S5PC100_GPD(6), S3C_GPIO_PULL_UP);
 }
diff --git a/arch/arm/plat-s5pc1xx/setup-sdhci-gpio.c b/arch/arm/plat-s5pc1xx/setup-sdhci-gpio.c
new file mode 100644
index 000000000000..185c8941e644
--- /dev/null
+++ b/arch/arm/plat-s5pc1xx/setup-sdhci-gpio.c
@@ -0,0 +1,86 @@
+/* linux/arch/arm/plat-s5pc1xx/setup-sdhci-gpio.c
+ *
+ * Copyright 2009 Samsung Eletronics
+ *
+ * S5PC1XX - 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 <plat/gpio-cfg.h>
+#include <plat/regs-sdhci.h>
+
+void s5pc100_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width)
+{
+	unsigned int gpio;
+	unsigned int end;
+	unsigned int num;
+
+	num = width;
+	/* In case of 8 width, we should decrease the 2 */
+	if (width == 8)
+		num = width - 2;
+
+	end = S5PC100_GPG0(2 + num);
+
+	/* Set all the necessary GPG0/GPG1 pins to special-function 0 */
+	for (gpio = S5PC100_GPG0(0); gpio < end; gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+	}
+
+	if (width == 8) {
+		for (gpio = S5PC100_GPG1(0); gpio <= S5PC100_GPG1(1); gpio++) {
+			s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+			s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+		}
+	}
+
+	s3c_gpio_setpull(S5PC100_GPG1(2), S3C_GPIO_PULL_UP);
+	s3c_gpio_cfgpin(S5PC100_GPG1(2), S3C_GPIO_SFN(2));
+}
+
+void s5pc100_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width)
+{
+	unsigned int gpio;
+	unsigned int end;
+
+	end = S5PC100_GPG2(2 + width);
+
+	/* Set all the necessary GPG2 pins to special-function 2 */
+	for (gpio = S5PC100_GPG2(0); gpio < end; gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+	}
+
+	s3c_gpio_setpull(S5PC100_GPG2(6), S3C_GPIO_PULL_UP);
+	s3c_gpio_cfgpin(S5PC100_GPG2(6), S3C_GPIO_SFN(2));
+}
+
+void s5pc100_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width)
+{
+	unsigned int gpio;
+	unsigned int end;
+
+	end = S5PC100_GPG3(2 + width);
+
+	/* Set all the necessary GPG3 pins to special-function 2 */
+	for (gpio = S5PC100_GPG3(0); gpio < end; gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+	}
+
+	s3c_gpio_setpull(S5PC100_GPG3(6), S3C_GPIO_PULL_UP);
+	s3c_gpio_cfgpin(S5PC100_GPG3(6), S3C_GPIO_SFN(2));
+}