ARM: S5PC100: Clock and PLL support

S5PC100 has 4 PLLs (APLL,MPLL,EPLL,HPLL) and 3 clock domains. Clock scheme is
implemented here.

Signed-off-by: Byungho Min <bhmin@samsung.com>
[ben-linux@fluff.org: edited title]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

3 files changed, 1598 insertions, 0 deletions

diff --git a/arch/arm/plat-s5pc1xx/include/plat/pll.h b/arch/arm/plat-s5pc1xx/include/plat/pll.h
new file mode 100644
index 000000000000..21afef1573e7
--- /dev/null
+++ b/arch/arm/plat-s5pc1xx/include/plat/pll.h
@@ -0,0 +1,38 @@
+/* arch/arm/plat-s5pc1xx/include/plat/pll.h
+ *
+ * Copyright 2009 Samsung Electronics Co.
+ *      Byungho Min <bhmin@samsung.com>
+ *
+ * S5PC1XX PLL code
+ *
+ * Based on plat-s3c64xx/include/plat/pll.h
+ *
+ * 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 S5P_PLL_MDIV_MASK       ((1 << (25-16+1)) - 1)
+#define S5P_PLL_PDIV_MASK       ((1 << (13-8+1)) - 1)
+#define S5P_PLL_SDIV_MASK       ((1 << (2-0+1)) - 1)
+#define S5P_PLL_MDIV_SHIFT      (16)
+#define S5P_PLL_PDIV_SHIFT      (8)
+#define S5P_PLL_SDIV_SHIFT      (0)
+
+#include <asm/div64.h>
+
+static inline unsigned long s5pc1xx_get_pll(unsigned long baseclk,
+                                            u32 pllcon)
+{
+        u32 mdiv, pdiv, sdiv;
+        u64 fvco = baseclk;
+
+        mdiv = (pllcon >> S5P_PLL_MDIV_SHIFT) & S5P_PLL_MDIV_MASK;
+        pdiv = (pllcon >> S5P_PLL_PDIV_SHIFT) & S5P_PLL_PDIV_MASK;
+        sdiv = (pllcon >> S5P_PLL_SDIV_SHIFT) & S5P_PLL_SDIV_MASK;
+
+        fvco *= mdiv;
+        do_div(fvco, (pdiv << sdiv));
+
+        return (unsigned long)fvco;
+}
diff --git a/arch/arm/plat-s5pc1xx/include/plat/regs-clock.h b/arch/arm/plat-s5pc1xx/include/plat/regs-clock.h
new file mode 100644
index 000000000000..75c8390cb827
--- /dev/null
+++ b/arch/arm/plat-s5pc1xx/include/plat/regs-clock.h
@@ -0,0 +1,421 @@
+/* arch/arm/plat-s5pc1xx/include/plat/regs-clock.h
+ *
+ * Copyright 2009 Samsung Electronics Co.
+ *      Byungho Min <bhmin@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 __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)))
+
+/* 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_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)
+
+
+/* CLKSRC1 */
+#define S5PC100_CLKSRC1_UART_MASK               (0x1<<0)
+#define S5PC100_CLKSRC1_UART_SHIFT              (0)
+#define S5PC100_CLKSRC1_SPI0_MASK               (0x3<<4)
+#define S5PC100_CLKSRC1_SPI0_SHIFT              (4)
+#define S5PC100_CLKSRC1_SPI1_MASK               (0x3<<8)
+#define S5PC100_CLKSRC1_SPI1_SHIFT              (8)
+#define S5PC100_CLKSRC1_SPI2_MASK               (0x3<<12)
+#define S5PC100_CLKSRC1_SPI2_SHIFT              (12)
+#define S5PC100_CLKSRC1_IRDA_MASK               (0x3<<16)
+#define S5PC100_CLKSRC1_IRDA_SHIFT              (16)
+#define S5PC100_CLKSRC1_UHOST_MASK              (0x3<<20)
+#define S5PC100_CLKSRC1_UHOST_SHIFT             (20)
+#define S5PC100_CLKSRC1_CLK48M_MASK             (0x1<<24)
+#define S5PC100_CLKSRC1_CLK48M_SHIFT    (24)
+
+/* CLKSRC2 */
+#define S5PC100_CLKSRC2_MMC0_MASK               (0x3<<0)
+#define S5PC100_CLKSRC2_MMC0_SHIFT              (0)
+#define S5PC100_CLKSRC2_MMC1_MASK               (0x3<<4)
+#define S5PC100_CLKSRC2_MMC1_SHIFT              (4)
+#define S5PC100_CLKSRC2_MMC2_MASK               (0x3<<8)
+#define S5PC100_CLKSRC2_MMC2_SHIFT              (8)
+#define S5PC100_CLKSRC2_LCD_MASK                (0x3<<12)
+#define S5PC100_CLKSRC2_LCD_SHIFT               (12)
+#define S5PC100_CLKSRC2_FIMC0_MASK              (0x3<<16)
+#define S5PC100_CLKSRC2_FIMC0_SHIFT             (16)
+#define S5PC100_CLKSRC2_FIMC1_MASK              (0x3<<20)
+#define S5PC100_CLKSRC2_FIMC1_SHIFT             (20)
+#define S5PC100_CLKSRC2_FIMC2_MASK              (0x3<<24)
+#define S5PC100_CLKSRC2_FIMC2_SHIFT             (24)
+#define S5PC100_CLKSRC2_MIXER_MASK              (0x3<<28)
+#define S5PC100_CLKSRC2_MIXER_SHIFT             (28)
+
+/* CLKSRC3 */
+#define S5PC100_CLKSRC3_PWI_MASK                (0x3<<0)
+#define S5PC100_CLKSRC3_PWI_SHIFT               (0)
+#define S5PC100_CLKSRC3_HCLKD2_MASK             (0x1<<4)
+#define S5PC100_CLKSRC3_HCLKD2_SHIFT    (4)
+#define S5PC100_CLKSRC3_I2SD2_MASK              (0x3<<8)
+#define S5PC100_CLKSRC3_I2SD2_SHIFT             (8)
+#define S5PC100_CLKSRC3_AUDIO0_MASK             (0x7<<12)
+#define S5PC100_CLKSRC3_AUDIO0_SHIFT    (12)
+#define S5PC100_CLKSRC3_AUDIO1_MASK             (0x7<<16)
+#define S5PC100_CLKSRC3_AUDIO1_SHIFT    (16)
+#define S5PC100_CLKSRC3_AUDIO2_MASK             (0x7<<20)
+#define S5PC100_CLKSRC3_AUDIO2_SHIFT    (20)
+#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_ARM_MASK                (0x7<<4)
+#define S5PC100_CLKDIV0_ARM_SHIFT               (4)
+#define S5PC100_CLKDIV0_D0_MASK         (0x7<<8)
+#define S5PC100_CLKDIV0_D0_SHIFT                (8)
+#define S5PC100_CLKDIV0_PCLKD0_MASK             (0x7<<12)
+#define S5PC100_CLKDIV0_PCLKD0_SHIFT    (12)
+#define S5PC100_CLKDIV0_SECSS_MASK              (0x7<<16)
+#define S5PC100_CLKDIV0_SECSS_SHIFT             (16)
+
+/* CLKDIV1 */
+#define S5PC100_CLKDIV1_AM_MASK         (0x7<<0)
+#define S5PC100_CLKDIV1_AM_SHIFT                (0)
+#define S5PC100_CLKDIV1_MPLL_MASK               (0x3<<4)
+#define S5PC100_CLKDIV1_MPLL_SHIFT              (4)
+#define S5PC100_CLKDIV1_MPLL2_MASK              (0x1<<8)
+#define S5PC100_CLKDIV1_MPLL2_SHIFT             (8)
+#define S5PC100_CLKDIV1_D1_MASK         (0x7<<12)
+#define S5PC100_CLKDIV1_D1_SHIFT                (12)
+#define S5PC100_CLKDIV1_PCLKD1_MASK             (0x7<<16)
+#define S5PC100_CLKDIV1_PCLKD1_SHIFT    (16)
+#define S5PC100_CLKDIV1_ONENAND_MASK    (0x3<<20)
+#define S5PC100_CLKDIV1_ONENAND_SHIFT   (20)
+#define S5PC100_CLKDIV1_CAM_MASK                (0x1F<<24)
+#define S5PC100_CLKDIV1_CAM_SHIFT               (24)
+
+/* CLKDIV2 */
+#define S5PC100_CLKDIV2_UART_MASK               (0x7<<0)
+#define S5PC100_CLKDIV2_UART_SHIFT              (0)
+#define S5PC100_CLKDIV2_SPI0_MASK               (0xf<<4)
+#define S5PC100_CLKDIV2_SPI0_SHIFT              (4)
+#define S5PC100_CLKDIV2_SPI1_MASK               (0xf<<8)
+#define S5PC100_CLKDIV2_SPI1_SHIFT              (8)
+#define S5PC100_CLKDIV2_SPI2_MASK               (0xf<<12)
+#define S5PC100_CLKDIV2_SPI2_SHIFT              (12)
+#define S5PC100_CLKDIV2_IRDA_MASK               (0xf<<16)
+#define S5PC100_CLKDIV2_IRDA_SHIFT              (16)
+#define S5PC100_CLKDIV2_UHOST_MASK              (0xf<<20)
+#define S5PC100_CLKDIV2_UHOST_SHIFT             (20)
+
+/* CLKDIV3 */
+#define S5PC100_CLKDIV3_MMC0_MASK               (0xf<<0)
+#define S5PC100_CLKDIV3_MMC0_SHIFT              (0)
+#define S5PC100_CLKDIV3_MMC1_MASK               (0xf<<4)
+#define S5PC100_CLKDIV3_MMC1_SHIFT              (4)
+#define S5PC100_CLKDIV3_MMC2_MASK               (0xf<<8)
+#define S5PC100_CLKDIV3_MMC2_SHIFT              (8)
+#define S5PC100_CLKDIV3_LCD_MASK                (0xf<<12)
+#define S5PC100_CLKDIV3_LCD_SHIFT               (12)
+#define S5PC100_CLKDIV3_FIMC0_MASK              (0xf<<16)
+#define S5PC100_CLKDIV3_FIMC0_SHIFT             (16)
+#define S5PC100_CLKDIV3_FIMC1_MASK              (0xf<<20)
+#define S5PC100_CLKDIV3_FIMC1_SHIFT             (20)
+#define S5PC100_CLKDIV3_FIMC2_MASK              (0xf<<24)
+#define S5PC100_CLKDIV3_FIMC2_SHIFT             (24)
+#define S5PC100_CLKDIV3_HDMI_MASK               (0xf<<28)
+#define S5PC100_CLKDIV3_HDMI_SHIFT              (28)
+
+/* CLKDIV4 */
+#define S5PC100_CLKDIV4_PWI_MASK                (0x7<<0)
+#define S5PC100_CLKDIV4_PWI_SHIFT               (0)
+#define S5PC100_CLKDIV4_HCLKD2_MASK             (0x7<<4)
+#define S5PC100_CLKDIV4_HCLKD2_SHIFT    (4)
+#define S5PC100_CLKDIV4_I2SD2_MASK              (0xf<<8)
+#define S5PC100_CLKDIV4_I2SD2_SHIFT             (8)
+#define S5PC100_CLKDIV4_AUDIO0_MASK             (0xf<<12)
+#define S5PC100_CLKDIV4_AUDIO0_SHIFT    (12)
+#define S5PC100_CLKDIV4_AUDIO1_MASK             (0xf<<16)
+#define S5PC100_CLKDIV4_AUDIO1_SHIFT    (16)
+#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)
+#define S5PC100_CLKGATE_D00_CFCON               (1<<2)
+#define S5PC100_CLKGATE_D00_MDMA                (1<<3)
+#define S5PC100_CLKGATE_D00_G2D         (1<<4)
+#define S5PC100_CLKGATE_D00_SECSS               (1<<5)
+#define S5PC100_CLKGATE_D00_CSSYS               (1<<6)
+
+/* HCLKD0/PCLKD0 Clock Gate 1 Registers */
+#define S5PC100_CLKGATE_D01_DMC         (1<<0)
+#define S5PC100_CLKGATE_D01_SROMC               (1<<1)
+#define S5PC100_CLKGATE_D01_ONENAND             (1<<2)
+#define S5PC100_CLKGATE_D01_NFCON               (1<<3)
+#define S5PC100_CLKGATE_D01_INTMEM              (1<<4)
+#define S5PC100_CLKGATE_D01_EBI         (1<<5)
+
+/* PCLKD0 Clock Gate 2 Registers */
+#define S5PC100_CLKGATE_D02_SECKEY              (1<<1)
+#define S5PC100_CLKGATE_D02_SDM         (1<<2)
+
+/* HCLKD1/PCLKD1 Clock Gate 0 Registers */
+#define S5PC100_CLKGATE_D10_PDMA0               (1<<0)
+#define S5PC100_CLKGATE_D10_PDMA1               (1<<1)
+#define S5PC100_CLKGATE_D10_USBHOST             (1<<2)
+#define S5PC100_CLKGATE_D10_USBOTG              (1<<3)
+#define S5PC100_CLKGATE_D10_MODEMIF             (1<<4)
+#define S5PC100_CLKGATE_D10_HSMMC0              (1<<5)
+#define S5PC100_CLKGATE_D10_HSMMC1              (1<<6)
+#define S5PC100_CLKGATE_D10_HSMMC2              (1<<7)
+
+/* HCLKD1/PCLKD1 Clock Gate 1 Registers */
+#define S5PC100_CLKGATE_D11_LCD         (1<<0)
+#define S5PC100_CLKGATE_D11_ROTATOR             (1<<1)
+#define S5PC100_CLKGATE_D11_FIMC0               (1<<2)
+#define S5PC100_CLKGATE_D11_FIMC1               (1<<3)
+#define S5PC100_CLKGATE_D11_FIMC2               (1<<4)
+#define S5PC100_CLKGATE_D11_JPEG                (1<<5)
+#define S5PC100_CLKGATE_D11_DSI         (1<<6)
+#define S5PC100_CLKGATE_D11_CSI         (1<<7)
+#define S5PC100_CLKGATE_D11_G3D         (1<<8)
+
+/* HCLKD1/PCLKD1 Clock Gate 2 Registers */
+#define S5PC100_CLKGATE_D12_TV          (1<<0)
+#define S5PC100_CLKGATE_D12_VP          (1<<1)
+#define S5PC100_CLKGATE_D12_MIXER               (1<<2)
+#define S5PC100_CLKGATE_D12_HDMI                (1<<3)
+#define S5PC100_CLKGATE_D12_MFC         (1<<4)
+
+/* HCLKD1/PCLKD1 Clock Gate 3 Registers */
+#define S5PC100_CLKGATE_D13_CHIPID              (1<<0)
+#define S5PC100_CLKGATE_D13_GPIO                (1<<1)
+#define S5PC100_CLKGATE_D13_APC         (1<<2)
+#define S5PC100_CLKGATE_D13_IEC         (1<<3)
+#define S5PC100_CLKGATE_D13_PWM         (1<<6)
+#define S5PC100_CLKGATE_D13_SYSTIMER    (1<<7)
+#define S5PC100_CLKGATE_D13_WDT         (1<<8)
+#define S5PC100_CLKGATE_D13_RTC         (1<<9)
+
+/* HCLKD1/PCLKD1 Clock Gate 4 Registers */
+#define S5PC100_CLKGATE_D14_UART0               (1<<0)
+#define S5PC100_CLKGATE_D14_UART1               (1<<1)
+#define S5PC100_CLKGATE_D14_UART2               (1<<2)
+#define S5PC100_CLKGATE_D14_UART3               (1<<3)
+#define S5PC100_CLKGATE_D14_IIC         (1<<4)
+#define S5PC100_CLKGATE_D14_HDMI_IIC    (1<<5)
+#define S5PC100_CLKGATE_D14_SPI0                (1<<6)
+#define S5PC100_CLKGATE_D14_SPI1                (1<<7)
+#define S5PC100_CLKGATE_D14_SPI2                (1<<8)
+#define S5PC100_CLKGATE_D14_IRDA                (1<<9)
+#define S5PC100_CLKGATE_D14_CCAN0               (1<<10)
+#define S5PC100_CLKGATE_D14_CCAN1               (1<<11)
+#define S5PC100_CLKGATE_D14_HSITX               (1<<12)
+#define S5PC100_CLKGATE_D14_HSIRX               (1<<13)
+
+/* HCLKD1/PCLKD1 Clock Gate 5 Registers */
+#define S5PC100_CLKGATE_D15_IIS0                (1<<0)
+#define S5PC100_CLKGATE_D15_IIS1                (1<<1)
+#define S5PC100_CLKGATE_D15_IIS2                (1<<2)
+#define S5PC100_CLKGATE_D15_AC97                (1<<3)
+#define S5PC100_CLKGATE_D15_PCM0                (1<<4)
+#define S5PC100_CLKGATE_D15_PCM1                (1<<5)
+#define S5PC100_CLKGATE_D15_SPDIF               (1<<6)
+#define S5PC100_CLKGATE_D15_TSADC               (1<<7)
+#define S5PC100_CLKGATE_D15_KEYIF               (1<<8)
+#define S5PC100_CLKGATE_D15_CG          (1<<9)
+
+/* HCLKD2 Clock Gate 0 Registers */
+#define S5PC100_CLKGATE_D20_HCLKD2              (1<<0)
+#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_ONENAND   (1<<2)
+#define S5PC100_CLKGATE_SCLK0_UART              (1<<3)
+#define S5PC100_CLKGATE_SCLK0_SPI0              (1<<4)
+#define S5PC100_CLKGATE_SCLK0_SPI1              (1<<5)
+#define S5PC100_CLKGATE_SCLK0_SPI2              (1<<6)
+#define S5PC100_CLKGATE_SCLK0_SPI0_48   (1<<7)
+#define S5PC100_CLKGATE_SCLK0_SPI1_48   (1<<8)
+#define S5PC100_CLKGATE_SCLK0_SPI2_48   (1<<9)
+#define S5PC100_CLKGATE_SCLK0_IRDA              (1<<10)
+#define S5PC100_CLKGATE_SCLK0_USBHOST   (1<<11)
+#define S5PC100_CLKGATE_SCLK0_MMC0              (1<<12)
+#define S5PC100_CLKGATE_SCLK0_MMC1              (1<<13)
+#define S5PC100_CLKGATE_SCLK0_MMC2              (1<<14)
+#define S5PC100_CLKGATE_SCLK0_MMC0_48   (1<<15)
+#define S5PC100_CLKGATE_SCLK0_MMC1_48   (1<<16)
+#define S5PC100_CLKGATE_SCLK0_MMC2_48   (1<<17)
+
+/* Special Clock Gate 1 Registers */
+#define S5PC100_CLKGATE_SCLK1_LCD               (1<<0)
+#define S5PC100_CLKGATE_SCLK1_FIMC0             (1<<1)
+#define S5PC100_CLKGATE_SCLK1_FIMC1             (1<<2)
+#define S5PC100_CLKGATE_SCLK1_FIMC2             (1<<3)
+#define S5PC100_CLKGATE_SCLK1_TV54              (1<<4)
+#define S5PC100_CLKGATE_SCLK1_VDAC54    (1<<5)
+#define S5PC100_CLKGATE_SCLK1_MIXER             (1<<6)
+#define S5PC100_CLKGATE_SCLK1_HDMI              (1<<7)
+#define S5PC100_CLKGATE_SCLK1_AUDIO0    (1<<8)
+#define S5PC100_CLKGATE_SCLK1_AUDIO1    (1<<9)
+#define S5PC100_CLKGATE_SCLK1_AUDIO2    (1<<10)
+#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_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_MIPI_DPHY_EN             (1 << 28)
+
+/* MIPI D-PHY Control Register 0 */
+#define S5PC100_MIPI_PHY_CON0_M_RESETN  (1 << 1)
+#define S5PC100_MIPI_PHY_CON0_S_RESETN  (1 << 0)
+
+#endif /* _PLAT_REGS_CLOCK_H */
diff --git a/arch/arm/plat-s5pc1xx/s5pc100-clock.c b/arch/arm/plat-s5pc1xx/s5pc100-clock.c
new file mode 100644
index 000000000000..6b24035172fa
--- /dev/null
+++ b/arch/arm/plat-s5pc1xx/s5pc100-clock.c
@@ -0,0 +1,1139 @@
+/* linux/arch/arm/plat-s5pc1xx/s5pc100-clock.c
+ *
+ * Copyright 2009 Samsung Electronics, Co.
+ *      Byungho Min <bhmin@samsung.com>
+ *
+ * S5PC100 based common clock support
+ *
+ * Based on plat-s3c64xx/s3c6400-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/kernel.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/sysdev.h>
+#include <linux/io.h>
+
+#include <mach/hardware.h>
+#include <mach/map.h>
+
+#include <plat/cpu-freq.h>
+
+#include <plat/regs-clock.h>
+#include <plat/clock.h>
+#include <plat/cpu.h>
+#include <plat/pll.h>
+#include <plat/devs.h>
+#include <plat/s5pc100.h>
+
+/* fin_apll, fin_mpll and fin_epll are all the same clock, which we call
+ * ext_xtal_mux for want of an actual name from the manual.
+*/
+
+static struct clk clk_ext_xtal_mux = {
+        .name           = "ext_xtal",
+        .id             = -1,
+};
+
+#define clk_fin_apll clk_ext_xtal_mux
+#define clk_fin_mpll clk_ext_xtal_mux
+#define clk_fin_epll clk_ext_xtal_mux
+#define clk_fin_hpll clk_ext_xtal_mux
+
+#define clk_fout_mpll   clk_mpll
+
+struct clk_sources {
+        unsigned int    nr_sources;
+        struct clk      **sources;
+};
+
+struct clksrc_clk {
+        struct clk              clk;
+        unsigned int            mask;
+        unsigned int            shift;
+
+        struct clk_sources      *sources;
+
+        unsigned int            divider_shift;
+        void __iomem            *reg_divider;
+        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",
+        .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(S5PC1XX_CLK_SRC1);
+        if (enable)
+                val |= S5PC100_CLKSRC1_CLK48M_MASK;
+        else
+                val &= ~S5PC100_CLKSRC1_CLK48M_MASK;
+
+        __raw_writel(val, S5PC1XX_CLK_SRC1);
+        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,
+};
+
+struct clk clk_hpll = {
+        .name           = "hpll",
+        .id             = -1,
+};
+
+struct clk clk_hd0 = {
+        .name           = "hclkd0",
+        .id             = -1,
+        .rate           = 0,
+        .parent         = NULL,
+        .ctrlbit        = 0,
+        .set_rate       = clk_default_setrate,
+};
+
+struct clk clk_pd0 = {
+        .name           = "pclkd0",
+        .id             = -1,
+        .rate           = 0,
+        .parent         = NULL,
+        .ctrlbit        = 0,
+        .set_rate       = clk_default_setrate,
+};
+
+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 s5pc1xx_clk_d00_ctrl(struct clk *clk, int enable)
+{
+        return s5pc1xx_clk_gate(S5PC100_CLKGATE_D00, clk, enable);
+}
+
+static int s5pc1xx_clk_d01_ctrl(struct clk *clk, int enable)
+{
+        return s5pc1xx_clk_gate(S5PC100_CLKGATE_D01, clk, enable);
+}
+
+static int s5pc1xx_clk_d02_ctrl(struct clk *clk, int enable)
+{
+        return s5pc1xx_clk_gate(S5PC100_CLKGATE_D02, clk, enable);
+}
+
+static int s5pc1xx_clk_d10_ctrl(struct clk *clk, int enable)
+{
+        return s5pc1xx_clk_gate(S5PC100_CLKGATE_D10, clk, enable);
+}
+
+static int s5pc1xx_clk_d11_ctrl(struct clk *clk, int enable)
+{
+        return s5pc1xx_clk_gate(S5PC100_CLKGATE_D11, clk, enable);
+}
+
+static int s5pc1xx_clk_d12_ctrl(struct clk *clk, int enable)
+{
+        return s5pc1xx_clk_gate(S5PC100_CLKGATE_D12, clk, enable);
+}
+
+static int s5pc1xx_clk_d13_ctrl(struct clk *clk, int enable)
+{
+        return s5pc1xx_clk_gate(S5PC100_CLKGATE_D13, clk, enable);
+}
+
+static int s5pc1xx_clk_d14_ctrl(struct clk *clk, int enable)
+{
+        return s5pc1xx_clk_gate(S5PC100_CLKGATE_D14, clk, enable);
+}
+
+static int s5pc1xx_clk_d15_ctrl(struct clk *clk, int enable)
+{
+        return s5pc1xx_clk_gate(S5PC100_CLKGATE_D15, clk, enable);
+}
+
+static int s5pc1xx_clk_d20_ctrl(struct clk *clk, int enable)
+{
+        return s5pc1xx_clk_gate(S5PC100_CLKGATE_D20, clk, enable);
+}
+
+int s5pc1xx_sclk0_ctrl(struct clk *clk, int enable)
+{
+        return s5pc1xx_clk_gate(S5PC100_SCLKGATE0, clk, enable);
+}
+
+int s5pc1xx_sclk1_ctrl(struct clk *clk, int enable)
+{
+        return s5pc1xx_clk_gate(S5PC100_SCLKGATE1, clk, enable);
+}
+
+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 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,
+        },
+
+        /* 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,
+        },
+
+        /* System2 (D0_2) devices */
+        {
+                .name           = "seckey",
+                .id             = -1,
+                .parent         = &clk_pd0,
+                .enable         = s5pc1xx_clk_d02_ctrl,
+                .ctrlbit        = S5PC100_CLKGATE_D02_SECKEY,
+        }, {
+                .name           = "sdm",
+                .id             = -1,
+                .parent         = &clk_hd0,
+                .enable         = s5pc1xx_clk_d02_ctrl,
+                .ctrlbit        = S5PC100_CLKGATE_D02_SDM,
+        },
+
+        /* 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,
+        },
+
+        /* 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,
+        },
+
+        /* 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",
+                .id             = -1,
+                .parent         = &clk_h,
+                .enable         = s5pc1xx_clk_d12_ctrl,
+                .ctrlbit        = S5PC100_CLKGATE_D12_MFC,
+        },
+
+        /* 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,
+        },
+
+        /* 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,
+        },
+
+        /* 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,
+        },
+
+        /* Audio (D2_0) devices: all disabled */
+
+        /* 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,
+        },
+
+        /* 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",
+                .id             = -1,
+                .parent         = NULL,
+                .enable         = s5pc1xx_sclk1_ctrl,
+                .ctrlbit        = S5PC100_CLKGATE_SCLK1_SPDIF,
+        },
+};
+
+void __init s5pc1xx_register_clocks(void)
+{
+        struct clk *clkp;
+        int ret;
+        int ptr;
+
+        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);
+                }
+        }
+
+        clkp = init_clocks_disable;
+        for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); 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();
+}
+static struct clk clk_fout_apll = {
+        .name           = "fout_apll",
+        .id             = -1,
+};
+
+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),
+};
+
+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 struct clk clk_fout_epll = {
+        .name           = "fout_epll",
+        .id             = -1,
+};
+
+static struct clk *clk_src_epll_list[] = {
+        [0] = &clk_fin_epll,
+        [1] = &clk_fout_epll,
+};
+
+static struct clk_sources clk_src_epll = {
+        .sources        = clk_src_epll_list,
+        .nr_sources     = ARRAY_SIZE(clk_src_epll_list),
+};
+
+static struct clksrc_clk clk_mout_epll = {
+        .clk    = {
+                .name           = "mout_epll",
+                .id             = -1,
+        },
+        .shift          = S5PC1XX_CLKSRC0_EPLL_SHIFT,
+        .mask           = S5PC1XX_CLKSRC0_EPLL_MASK,
+        .sources        = &clk_src_epll,
+        .reg_source     = S5PC1XX_CLK_SRC0,
+};
+
+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",
+        .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 *clkset_uart_list[] = {
+        &clk_mout_epll.clk,
+        &clk_dout_mpll,
+        NULL,
+        NULL
+};
+
+static struct clk_sources clkset_uart = {
+        .sources        = clkset_uart_list,
+        .nr_sources     = ARRAY_SIZE(clkset_uart_list),
+};
+
+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)
+{
+        struct clksrc_clk *sclk = to_clksrc(clk);
+        unsigned long rate = clk_get_rate(clk->parent);
+        u32 clkdiv = __raw_readl(sclk->reg_divider);
+
+        clkdiv >>= sclk->divider_shift;
+        clkdiv &= 0xf;
+        clkdiv++;
+
+        rate /= clkdiv;
+        return rate;
+}
+
+static int s5pc1xx_setrate_clksrc(struct clk *clk, unsigned long rate)
+{
+        struct clksrc_clk *sclk = to_clksrc(clk);
+        void __iomem *reg = sclk->reg_divider;
+        unsigned int div;
+        u32 val;
+
+        rate = clk_round_rate(clk, rate);
+        div = clk_get_rate(clk->parent) / rate;
+        if (div > 16)
+                return -EINVAL;
+
+        val = __raw_readl(reg);
+        val &= ~(0xf << sclk->shift);
+        val |= (div - 1) << sclk->shift;
+        __raw_writel(val, reg);
+
+        return 0;
+}
+
+static int s5pc1xx_setparent_clksrc(struct clk *clk, struct clk *parent)
+{
+        struct clksrc_clk *sclk = to_clksrc(clk);
+        struct clk_sources *srcs = sclk->sources;
+        u32 clksrc = __raw_readl(sclk->reg_source);
+        int src_nr = -1;
+        int ptr;
+
+        for (ptr = 0; ptr < srcs->nr_sources; ptr++)
+                if (srcs->sources[ptr] == parent) {
+                        src_nr = ptr;
+                        break;
+                }
+
+        if (src_nr >= 0) {
+                clksrc &= ~sclk->mask;
+                clksrc |= src_nr << sclk->shift;
+
+                __raw_writel(clksrc, sclk->reg_source);
+                return 0;
+        }
+
+        return -EINVAL;
+}
+
+static unsigned long s5pc1xx_roundrate_clksrc(struct clk *clk,
+                                              unsigned long rate)
+{
+        unsigned long parent_rate = clk_get_rate(clk->parent);
+        int div;
+
+        if (rate > parent_rate)
+                rate = parent_rate;
+        else {
+                div = rate / parent_rate;
+
+                if (div == 0)
+                        div = 1;
+                if (div > 16)
+                        div = 16;
+
+                rate = parent_rate / div;
+        }
+
+        return rate;
+}
+
+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,
+        },
+        .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,
+};
+
+/* Clock initialisation code */
+
+static struct clksrc_clk *init_parents[] = {
+        &clk_mout_apll,
+        &clk_mout_epll,
+        &clk_mout_mpll,
+        &clk_uart_uclk1,
+};
+
+static void __init_or_cpufreq s5pc1xx_set_clksrc(struct clksrc_clk *clk)
+{
+        struct clk_sources *srcs = clk->sources;
+        u32 clksrc = __raw_readl(clk->reg_source);
+
+        clksrc &= clk->mask;
+        clksrc >>= clk->shift;
+
+        if (clksrc > srcs->nr_sources || !srcs->sources[clksrc]) {
+                printk(KERN_ERR "%s: bad source %d\n",
+                       clk->clk.name, clksrc);
+                return;
+        }
+
+        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));
+}
+
+#define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1)
+
+void __init_or_cpufreq s5pc100_setup_clocks(void)
+{
+        struct clk *xtal_clk;
+        unsigned long xtal;
+        unsigned long armclk;
+        unsigned long hclkd0;
+        unsigned long hclk;
+        unsigned long pclkd0;
+        unsigned long pclk;
+        unsigned long apll;
+        unsigned long mpll;
+        unsigned long hpll;
+        unsigned long epll;
+        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);
+
+        printk(KERN_DEBUG "%s: clkdiv0 = %08x, clkdiv1 = %08x\n",
+                        __func__, clkdiv0, clkdiv1);
+
+        xtal_clk = clk_get(NULL, "xtal");
+        BUG_ON(IS_ERR(xtal_clk));
+
+        xtal = clk_get_rate(xtal_clk);
+        clk_put(xtal_clk);
+
+        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));
+        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);
+
+        armclk = apll / GET_DIV(clkdiv0, S5PC1XX_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);
+
+        clk_fout_apll.rate = apll;
+        clk_fout_mpll.rate = mpll;
+        clk_fout_epll.rate = epll;
+        clk_fout_apll.rate = apll;
+
+        clk_h.rate = hclk;
+        clk_p.rate = pclk;
+
+        for (ptr = 0; ptr < ARRAY_SIZE(init_parents); ptr++)
+                s5pc1xx_set_clksrc(init_parents[ptr]);
+}
+
+static struct clk *clks[] __initdata = {
+        &clk_ext_xtal_mux,
+        &clk_mout_epll.clk,
+        &clk_fout_epll,
+        &clk_mout_mpll.clk,
+        &clk_dout_mpll,
+        &clk_uart_uclk1.clk,
+        &clk_ext,
+        &clk_epll,
+        &clk_27m,
+        &clk_48m,
+        &clk_54m,
+};
+
+void __init s5pc100_register_clocks(void)
+{
+        struct clk *clkp;
+        int ret;
+        int ptr;
+
+        for (ptr = 0; ptr < ARRAY_SIZE(clks); ptr++) {
+                clkp = clks[ptr];
+                ret = s3c24xx_register_clock(clkp);
+                if (ret < 0) {
+                        printk(KERN_ERR "Failed to register clock %s (%d)\n",
+                               clkp->name, ret);
+                }
+        }
+
+        clk_mpll.parent = &clk_mout_mpll.clk;
+        clk_epll.parent = &clk_mout_epll.clk;
+}