arch/arm/mach-omap1/clock.h

/*
 *  linux/arch/arm/mach-omap1/clock.h
 *
 *  Copyright (C) 2004 - 2005 Nokia corporation
 *  Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
 *  Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc
 *
 * 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 __ARCH_ARM_MACH_OMAP1_CLOCK_H
#define __ARCH_ARM_MACH_OMAP1_CLOCK_H

static void omap1_ckctl_recalc(struct clk * clk);
static void omap1_watchdog_recalc(struct clk * clk);
static int omap1_set_sossi_rate(struct clk *clk, unsigned long rate);
static void omap1_sossi_recalc(struct clk *clk);
static void omap1_ckctl_recalc_dsp_domain(struct clk * clk);
static int omap1_clk_set_rate_dsp_domain(struct clk * clk, unsigned long rate);
static int omap1_set_uart_rate(struct clk * clk, unsigned long rate);
static void omap1_uart_recalc(struct clk * clk);
static int omap1_set_ext_clk_rate(struct clk * clk, unsigned long rate);
static long omap1_round_ext_clk_rate(struct clk * clk, unsigned long rate);
static void omap1_init_ext_clk(struct clk * clk);
static int omap1_select_table_rate(struct clk * clk, unsigned long rate);
static long omap1_round_to_table_rate(struct clk * clk, unsigned long rate);

static int omap1_clk_set_rate_ckctl_arm(struct clk *clk, unsigned long rate);
static long omap1_clk_round_rate_ckctl_arm(struct clk *clk, unsigned long rate);

struct mpu_rate {
	unsigned long		rate;
	unsigned long		xtal;
	unsigned long		pll_rate;
	__u16			ckctl_val;
	__u16			dpllctl_val;
};

struct uart_clk {
	struct clk	clk;
	unsigned long	sysc_addr;
};

/* Provide a method for preventing idling some ARM IDLECT clocks */
struct arm_idlect1_clk {
	struct clk	clk;
	unsigned long	no_idle_count;
	__u8		idlect_shift;
};

/* ARM_CKCTL bit shifts */
#define CKCTL_PERDIV_OFFSET	0
#define CKCTL_LCDDIV_OFFSET	2
#define CKCTL_ARMDIV_OFFSET	4
#define CKCTL_DSPDIV_OFFSET	6
#define CKCTL_TCDIV_OFFSET	8
#define CKCTL_DSPMMUDIV_OFFSET	10
/*#define ARM_TIMXO		12*/
#define EN_DSPCK		13
/*#define ARM_INTHCK_SEL	14*/ /* Divide-by-2 for mpu inth_ck */
/* DSP_CKCTL bit shifts */
#define CKCTL_DSPPERDIV_OFFSET	0

/* ARM_IDLECT2 bit shifts */
#define EN_WDTCK	0
#define EN_XORPCK	1
#define EN_PERCK	2
#define EN_LCDCK	3
#define EN_LBCK		4 /* Not on 1610/1710 */
/*#define EN_HSABCK	5*/
#define EN_APICK	6
#define EN_TIMCK	7
#define DMACK_REQ	8
#define EN_GPIOCK	9 /* Not on 1610/1710 */
/*#define EN_LBFREECK	10*/
#define EN_CKOUT_ARM	11

/* ARM_IDLECT3 bit shifts */
#define EN_OCPI_CK	0
#define EN_TC1_CK	2
#define EN_TC2_CK	4

/* DSP_IDLECT2 bit shifts (0,1,2 are same as for ARM_IDLECT2) */
#define EN_DSPTIMCK	5

/* Various register defines for clock controls scattered around OMAP chip */
#define SDW_MCLK_INV_BIT	2	/* In ULPD_CLKC_CTRL */
#define USB_MCLK_EN_BIT		4	/* In ULPD_CLKC_CTRL */
#define USB_HOST_HHC_UHOST_EN	9	/* In MOD_CONF_CTRL_0 */
#define SWD_ULPD_PLL_CLK_REQ	1	/* In SWD_CLK_DIV_CTRL_SEL */
#define COM_ULPD_PLL_CLK_REQ	1	/* In COM_CLK_DIV_CTRL_SEL */
#define SWD_CLK_DIV_CTRL_SEL	0xfffe0874
#define COM_CLK_DIV_CTRL_SEL	0xfffe0878
#define SOFT_REQ_REG		0xfffe0834
#define SOFT_REQ_REG2		0xfffe0880

/*-------------------------------------------------------------------------
 * Omap1 MPU rate table
 *-------------------------------------------------------------------------*/
static struct mpu_rate rate_table[] = {
	/* MPU MHz, xtal MHz, dpll1 MHz, CKCTL, DPLL_CTL
	 * NOTE: Comment order here is different from bits in CKCTL value:
	 * armdiv, dspdiv, dspmmu, tcdiv, perdiv, lcddiv
	 */
#if defined(CONFIG_OMAP_ARM_216MHZ)
	{ 216000000, 12000000, 216000000, 0x050d, 0x2910 }, /* 1/1/2/2/2/8 */
#endif
#if defined(CONFIG_OMAP_ARM_195MHZ)
	{ 195000000, 13000000, 195000000, 0x050e, 0x2790 }, /* 1/1/2/2/4/8 */
#endif
#if defined(CONFIG_OMAP_ARM_192MHZ)
	{ 192000000, 19200000, 192000000, 0x050f, 0x2510 }, /* 1/1/2/2/8/8 */
	{ 192000000, 12000000, 192000000, 0x050f, 0x2810 }, /* 1/1/2/2/8/8 */
	{  96000000, 12000000, 192000000, 0x055f, 0x2810 }, /* 2/2/2/2/8/8 */
	{  48000000, 12000000, 192000000, 0x0baf, 0x2810 }, /* 4/4/4/8/8/8 */
	{  24000000, 12000000, 192000000, 0x0fff, 0x2810 }, /* 8/8/8/8/8/8 */
#endif
#if defined(CONFIG_OMAP_ARM_182MHZ)
	{ 182000000, 13000000, 182000000, 0x050e, 0x2710 }, /* 1/1/2/2/4/8 */
#endif
#if defined(CONFIG_OMAP_ARM_168MHZ)
	{ 168000000, 12000000, 168000000, 0x010f, 0x2710 }, /* 1/1/1/2/8/8 */
#endif
#if defined(CONFIG_OMAP_ARM_150MHZ)
	{ 150000000, 12000000, 150000000, 0x010a, 0x2cb0 }, /* 1/1/1/2/4/4 */
#endif
#if defined(CONFIG_OMAP_ARM_120MHZ)
	{ 120000000, 12000000, 120000000, 0x010a, 0x2510 }, /* 1/1/1/2/4/4 */
#endif
#if defined(CONFIG_OMAP_ARM_96MHZ)
	{  96000000, 12000000,  96000000, 0x0005, 0x2410 }, /* 1/1/1/1/2/2 */
#endif
#if defined(CONFIG_OMAP_ARM_60MHZ)
	{  60000000, 12000000,  60000000, 0x0005, 0x2290 }, /* 1/1/1/1/2/2 */
#endif
#if defined(CONFIG_OMAP_ARM_30MHZ)
	{  30000000, 12000000,  60000000, 0x0555, 0x2290 }, /* 2/2/2/2/2/2 */
#endif
	{ 0, 0, 0, 0, 0 },
};

/*-------------------------------------------------------------------------
 * Omap1 clocks
 *-------------------------------------------------------------------------*/

static struct clk ck_ref = {
	.name		= "ck_ref",
	.ops		= &clkops_null,
	.rate		= 12000000,
};

static struct clk ck_dpll1 = {
	.name		= "ck_dpll1",
	.ops		= &clkops_null,
	.parent		= &ck_ref,
	.flags		= RATE_PROPAGATES,
};

static struct arm_idlect1_clk ck_dpll1out = {
	.clk = {
		.name		= "ck_dpll1out",
		.ops		= &clkops_generic,
		.parent		= &ck_dpll1,
		.flags		= CLOCK_IDLE_CONTROL |
				  ENABLE_REG_32BIT | RATE_PROPAGATES,
		.enable_reg	= OMAP1_IO_ADDRESS(ARM_IDLECT2),
		.enable_bit	= EN_CKOUT_ARM,
		.recalc		= &followparent_recalc,
	},
	.idlect_shift	= 12,
};

static struct clk sossi_ck = {
	.name		= "ck_sossi",
	.ops		= &clkops_generic,
	.parent		= &ck_dpll1out.clk,
	.flags		= CLOCK_NO_IDLE_PARENT | ENABLE_REG_32BIT,
	.enable_reg	= OMAP1_IO_ADDRESS(MOD_CONF_CTRL_1),
	.enable_bit	= 16,
	.recalc		= &omap1_sossi_recalc,
	.set_rate	= &omap1_set_sossi_rate,
};

static struct clk arm_ck = {
	.name		= "arm_ck",
	.ops		= &clkops_null,
	.parent		= &ck_dpll1,
	.flags		= RATE_PROPAGATES,
	.rate_offset	= CKCTL_ARMDIV_OFFSET,
	.recalc		= &omap1_ckctl_recalc,
	.round_rate	= omap1_clk_round_rate_ckctl_arm,
	.set_rate	= omap1_clk_set_rate_ckctl_arm,
};

static struct arm_idlect1_clk armper_ck = {
	.clk = {
		.name		= "armper_ck",
		.ops		= &clkops_generic,
		.parent		= &ck_dpll1,
		.flags		= CLOCK_IDLE_CONTROL,
		.enable_reg	= OMAP1_IO_ADDRESS(ARM_IDLECT2),
		.enable_bit	= EN_PERCK,
		.rate_offset	= CKCTL_PERDIV_OFFSET,
		.recalc		= &omap1_ckctl_recalc,
		.round_rate	= omap1_clk_round_rate_ckctl_arm,
		.set_rate	= omap1_clk_set_rate_ckctl_arm,
	},
	.idlect_shift	= 2,
};

static struct clk arm_gpio_ck = {
	.name		= "arm_gpio_ck",
	.ops		= &clkops_generic,
	.parent		= &ck_dpll1,
	.enable_reg	= OMAP1_IO_ADDRESS(ARM_IDLECT2),
	.enable_bit	= EN_GPIOCK,
	.recalc		= &followparent_recalc,
};

static struct arm_idlect1_clk armxor_ck = {
	.clk = {
		.name		= "armxor_ck",
		.ops		= &clkops_generic,
		.parent		= &ck_ref,
		.flags		= CLOCK_IDLE_CONTROL,
		.enable_reg	= OMAP1_IO_ADDRESS(ARM_IDLECT2),
		.enable_bit	= EN_XORPCK,
		.recalc		= &followparent_recalc,
	},
	.idlect_shift	= 1,
};

static struct arm_idlect1_clk armtim_ck = {
	.clk = {
		.name		= "armtim_ck",
		.ops		= &clkops_generic,
		.parent		= &ck_ref,
		.flags		= CLOCK_IDLE_CONTROL,
		.enable_reg	= OMAP1_IO_ADDRESS(ARM_IDLECT2),
		.enable_bit	= EN_TIMCK,
		.recalc		= &followparent_recalc,
	},
	.idlect_shift	= 9,
};

static struct arm_idlect1_clk armwdt_ck = {
	.clk = {
		.name		= "armwdt_ck",
		.ops		= &clkops_generic,
		.parent		= &ck_ref,
		.flags		= CLOCK_IDLE_CONTROL,
		.enable_reg	= OMAP1_IO_ADDRESS(ARM_IDLECT2),
		.enable_bit	= EN_WDTCK,
		.recalc		= &omap1_watchdog_recalc,
	},
	.idlect_shift	= 0,
};

static struct clk arminth_ck16xx = {
	.name		= "arminth_ck",
	.ops		= &clkops_null,
	.parent		= &arm_ck,
	.recalc		= &followparent_recalc,
	/* Note: On 16xx the frequency can be divided by 2 by programming
	 * ARM_CKCTL:ARM_INTHCK_SEL(14) to 1
	 *
	 * 1510 version is in TC clocks.
	 */
};

static struct clk dsp_ck = {
	.name		= "dsp_ck",
	.ops		= &clkops_generic,
	.parent		= &ck_dpll1,
	.enable_reg	= OMAP1_IO_ADDRESS(ARM_CKCTL),
	.enable_bit	= EN_DSPCK,
	.rate_offset	= CKCTL_DSPDIV_OFFSET,
	.recalc		= &omap1_ckctl_recalc,
	.round_rate	= omap1_clk_round_rate_ckctl_arm,
	.set_rate	= omap1_clk_set_rate_ckctl_arm,
};

static struct clk dspmmu_ck = {
	.name		= "dspmmu_ck",
	.ops		= &clkops_null,
	.parent		= &ck_dpll1,
	.rate_offset	= CKCTL_DSPMMUDIV_OFFSET,
	.recalc		= &omap1_ckctl_recalc,
	.round_rate	= omap1_clk_round_rate_ckctl_arm,
	.set_rate	= omap1_clk_set_rate_ckctl_arm,
};

static struct clk dspper_ck = {
	.name		= "dspper_ck",
	.ops		= &clkops_dspck,
	.parent		= &ck_dpll1,
	.enable_reg	= DSP_IDLECT2,
	.enable_bit	= EN_PERCK,
	.rate_offset	= CKCTL_PERDIV_OFFSET,
	.recalc		= &omap1_ckctl_recalc_dsp_domain,
	.round_rate	= omap1_clk_round_rate_ckctl_arm,
	.set_rate	= &omap1_clk_set_rate_dsp_domain,
};

static struct clk dspxor_ck = {
	.name		= "dspxor_ck",
	.ops		= &clkops_dspck,
	.parent		= &ck_ref,
	.enable_reg	= DSP_IDLECT2,
	.enable_bit	= EN_XORPCK,
	.recalc		= &followparent_recalc,
};

static struct clk dsptim_ck = {
	.name		= "dsptim_ck",
	.ops		= &clkops_dspck,
	.parent		= &ck_ref,
	.enable_reg	= DSP_IDLECT2,
	.enable_bit	= EN_DSPTIMCK,
	.recalc		= &followparent_recalc,
};

/* Tie ARM_IDLECT1:IDLIF_ARM to this logical clock structure */
static struct arm_idlect1_clk tc_ck = {
	.clk = {
		.name		= "tc_ck",
		.ops		= &clkops_null,
		.parent		= &ck_dpll1,
		.flags		= RATE_PROPAGATES | CLOCK_IDLE_CONTROL,
		.rate_offset	= CKCTL_TCDIV_OFFSET,
		.recalc		= &omap1_ckctl_recalc,
		.round_rate	= omap1_clk_round_rate_ckctl_arm,
		.set_rate	= omap1_clk_set_rate_ckctl_arm,
	},
	.idlect_shift	= 6,
};

static struct clk arminth_ck1510 = {
	.name		= "arminth_ck",
	.ops		= &clkops_null,
	.parent		= &tc_ck.clk,
	.recalc		= &followparent_recalc,
	/* Note: On 1510 the frequency follows TC_CK
	 *
	 * 16xx version is in MPU clocks.
	 */
};

static struct clk tipb_ck = {
	/* No-idle controlled by "tc_ck" */
	.name		= "tipb_ck",
	.ops		= &clkops_null,
	.parent		= &tc_ck.clk,
	.recalc		= &followparent_recalc,
};

static struct clk l3_ocpi_ck = {
	/* No-idle controlled by "tc_ck" */
	.name		= "l3_ocpi_ck",
	.ops		= &clkops_generic,
	.parent		= &tc_ck.clk,
	.enable_reg	= OMAP1_IO_ADDRESS(ARM_IDLECT3),
	.enable_bit	= EN_OCPI_CK,
	.recalc		= &followparent_recalc,
};

static struct clk tc1_ck = {
	.name		= "tc1_ck",
	.ops		= &clkops_generic,
	.parent		= &tc_ck.clk,
	.enable_reg	= OMAP1_IO_ADDRESS(ARM_IDLECT3),
	.enable_bit	= EN_TC1_CK,
	.recalc		= &followparent_recalc,
};

static struct clk tc2_ck = {
	.name		= "tc2_ck",
	.ops		= &clkops_generic,
	.parent		= &tc_ck.clk,
	.enable_reg	= OMAP1_IO_ADDRESS(ARM_IDLECT3),
	.enable_bit	= EN_TC2_CK,
	.recalc		= &followparent_recalc,
};

static struct clk dma_ck = {
	/* No-idle controlled by "tc_ck" */
	.name		= "dma_ck",
	.ops		= &clkops_null,
	.parent		= &tc_ck.clk,
	.recalc		= &followparent_recalc,
};

static struct clk dma_lcdfree_ck = {
	.name		= "dma_lcdfree_ck",
	.ops		= &clkops_null,
	.parent		= &tc_ck.clk,
	.recalc		= &followparent_recalc,
};

static struct arm_idlect1_clk api_ck = {
	.clk = {
		.name		= "api_ck",
		.ops		= &clkops_generic,
		.parent		= &tc_ck.clk,
		.flags		= CLOCK_IDLE_CONTROL,
		.enable_reg	= OMAP1_IO_ADDRESS(ARM_IDLECT2),
		.enable_bit	= EN_APICK,
		.recalc		= &followparent_recalc,
	},
	.idlect_shift	= 8,
};

static struct arm_idlect1_clk lb_ck = {
	.clk = {
		.name		= "lb_ck",
		.ops		= &clkops_generic,
		.parent		= &tc_ck.clk,
		.flags		= CLOCK_IDLE_CONTROL,
		.enable_reg	= OMAP1_IO_ADDRESS(ARM_IDLECT2),
		.enable_bit	= EN_LBCK,
		.recalc		= &followparent_recalc,
	},
	.idlect_shift	= 4,
};

static struct clk rhea1_ck = {
	.name		= "rhea1_ck",
	.ops		= &clkops_null,
	.parent		= &tc_ck.clk,
	.recalc		= &followparent_recalc,
};

static struct clk rhea2_ck = {
	.name		= "rhea2_ck",
	.ops		= &clkops_null,
	.parent		= &tc_ck.clk,
	.recalc		= &followparent_recalc,
};

static struct clk lcd_ck_16xx = {
	.name		= "lcd_ck",
	.ops		= &clkops_generic,
	.parent		= &ck_dpll1,
	.enable_reg	= OMAP1_IO_ADDRESS(ARM_IDLECT2),
	.enable_bit	= EN_LCDCK,
	.rate_offset	= CKCTL_LCDDIV_OFFSET,
	.recalc		= &omap1_ckctl_recalc,
	.round_rate	= omap1_clk_round_rate_ckctl_arm,
	.set_rate	= omap1_clk_set_rate_ckctl_arm,
};

static struct arm_idlect1_clk lcd_ck_1510 = {
	.clk = {
		.name		= "lcd_ck",
		.ops		= &clkops_generic,
		.parent		= &ck_dpll1,
		.flags		= CLOCK_IDLE_CONTROL,
		.enable_reg	= OMAP1_IO_ADDRESS(ARM_IDLECT2),
		.enable_bit	= EN_LCDCK,
		.rate_offset	= CKCTL_LCDDIV_OFFSET,
		.recalc		= &omap1_ckctl_recalc,
		.round_rate	= omap1_clk_round_rate_ckctl_arm,
		.set_rate	= omap1_clk_set_rate_ckctl_arm,
	},
	.idlect_shift	= 3,
};

static struct clk uart1_1510 = {
	.name		= "uart1_ck",
	.ops		= &clkops_null,
	/* Direct from ULPD, no real parent */
	.parent		= &armper_ck.clk,
	.rate		= 12000000,
	.flags		= ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
	.enable_reg	= OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
	.enable_bit	= 29,	/* Chooses between 12MHz and 48MHz */
	.set_rate	= &omap1_set_uart_rate,
	.recalc		= &omap1_uart_recalc,
};

static struct uart_clk uart1_16xx = {
	.clk	= {
		.name		= "uart1_ck",
		.ops		= &clkops_uart,
		/* Direct from ULPD, no real parent */
		.parent		= &armper_ck.clk,
		.rate		= 48000000,
		.flags		= RATE_FIXED | ENABLE_REG_32BIT |
				  CLOCK_NO_IDLE_PARENT,
		.enable_reg	= OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
		.enable_bit	= 29,
	},
	.sysc_addr	= 0xfffb0054,
};

static struct clk uart2_ck = {
	.name		= "uart2_ck",
	.ops		= &clkops_null,
	/* Direct from ULPD, no real parent */
	.parent		= &armper_ck.clk,
	.rate		= 12000000,
	.flags		= ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
	.enable_reg	= OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
	.enable_bit	= 30,	/* Chooses between 12MHz and 48MHz */
	.set_rate	= &omap1_set_uart_rate,
	.recalc		= &omap1_uart_recalc,
};

static struct clk uart3_1510 = {
	.name		= "uart3_ck",
	.ops		= &clkops_null,
	/* Direct from ULPD, no real parent */
	.parent		= &armper_ck.clk,
	.rate		= 12000000,
	.flags		= ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
	.enable_reg	= OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
	.enable_bit	= 31,	/* Chooses between 12MHz and 48MHz */
	.set_rate	= &omap1_set_uart_rate,
	.recalc		= &omap1_uart_recalc,
};

static struct uart_clk uart3_16xx = {
	.clk	= {
		.name		= "uart3_ck",
		.ops		= &clkops_uart,
		/* Direct from ULPD, no real parent */
		.parent		= &armper_ck.clk,
		.rate		= 48000000,
		.flags		= RATE_FIXED | ENABLE_REG_32BIT |
				  CLOCK_NO_IDLE_PARENT,
		.enable_reg	= OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
		.enable_bit	= 31,
	},
	.sysc_addr	= 0xfffb9854,
};

static struct clk usb_clko = {	/* 6 MHz output on W4_USB_CLKO */
	.name		= "usb_clko",
	.ops		= &clkops_generic,
	/* Direct from ULPD, no parent */
	.rate		= 6000000,
	.flags		= RATE_FIXED | ENABLE_REG_32BIT,
	.enable_reg	= OMAP1_IO_ADDRESS(ULPD_CLOCK_CTRL),
	.enable_bit	= USB_MCLK_EN_BIT,
};

static struct clk usb_hhc_ck1510 = {
	.name		= "usb_hhc_ck",
	.ops		= &clkops_generic,
	/* Direct from ULPD, no parent */
	.rate		= 48000000, /* Actually 2 clocks, 12MHz and 48MHz */
	.flags		= RATE_FIXED | ENABLE_REG_32BIT,
	.enable_reg	= OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
	.enable_bit	= USB_HOST_HHC_UHOST_EN,
};

static struct clk usb_hhc_ck16xx = {
	.name		= "usb_hhc_ck",
	.ops		= &clkops_generic,
	/* Direct from ULPD, no parent */
	.rate		= 48000000,
	/* OTG_SYSCON_2.OTG_PADEN == 0 (not 1510-compatible) */
	.flags		= RATE_FIXED | ENABLE_REG_32BIT,
	.enable_reg	= OMAP1_IO_ADDRESS(OTG_BASE + 0x08), /* OTG_SYSCON_2 */
	.enable_bit	= 8 /* UHOST_EN */,
};

static struct clk usb_dc_ck = {
	.name		= "usb_dc_ck",
	.ops		= &clkops_generic,
	/* Direct from ULPD, no parent */
	.rate		= 48000000,
	.flags		= RATE_FIXED,
	.enable_reg	= OMAP1_IO_ADDRESS(SOFT_REQ_REG),
	.enable_bit	= 4,
};

static struct clk mclk_1510 = {
	.name		= "mclk",
	.ops		= &clkops_generic,
	/* Direct from ULPD, no parent. May be enabled by ext hardware. */
	.rate		= 12000000,
	.flags		= RATE_FIXED,
	.enable_reg	= OMAP1_IO_ADDRESS(SOFT_REQ_REG),
	.enable_bit	= 6,
};

static struct clk mclk_16xx = {
	.name		= "mclk",
	.ops		= &clkops_generic,
	/* Direct from ULPD, no parent. May be enabled by ext hardware. */
	.enable_reg	= OMAP1_IO_ADDRESS(COM_CLK_DIV_CTRL_SEL),
	.enable_bit	= COM_ULPD_PLL_CLK_REQ,
	.set_rate	= &omap1_set_ext_clk_rate,
	.round_rate	= &omap1_round_ext_clk_rate,
	.init		= &omap1_init_ext_clk,
};

static struct clk bclk_1510 = {
	.name		= "bclk",
	.ops		= &clkops_generic,
	/* Direct from ULPD, no parent. May be enabled by ext hardware. */
	.rate		= 12000000,
	.flags		= RATE_FIXED,
};

static struct clk bclk_16xx = {
	.name		= "bclk",
	.ops		= &clkops_generic,
	/* Direct from ULPD, no parent. May be enabled by ext hardware. */
	.enable_reg	= OMAP1_IO_ADDRESS(SWD_CLK_DIV_CTRL_SEL),
	.enable_bit	= SWD_ULPD_PLL_CLK_REQ,
	.set_rate	= &omap1_set_ext_clk_rate,
	.round_rate	= &omap1_round_ext_clk_rate,
	.init		= &omap1_init_ext_clk,
};

static struct clk mmc1_ck = {
	.name		= "mmc_ck",
	.ops		= &clkops_generic,
	/* Functional clock is direct from ULPD, interface clock is ARMPER */
	.parent		= &armper_ck.clk,
	.rate		= 48000000,
	.flags		= RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
	.enable_reg	= OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
	.enable_bit	= 23,
};

static struct clk mmc2_ck = {
	.name		= "mmc_ck",
	.id		= 1,
	.ops		= &clkops_generic,
	/* Functional clock is direct from ULPD, interface clock is ARMPER */
	.parent		= &armper_ck.clk,
	.rate		= 48000000,
	.flags		= RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
	.enable_reg	= OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
	.enable_bit	= 20,
};

static struct clk virtual_ck_mpu = {
	.name		= "mpu",
	.ops		= &clkops_null,
	.parent		= &arm_ck, /* Is smarter alias for */
	.recalc		= &followparent_recalc,
	.set_rate	= &omap1_select_table_rate,
	.round_rate	= &omap1_round_to_table_rate,
};

/* virtual functional clock domain for I2C. Just for making sure that ARMXOR_CK
remains active during MPU idle whenever this is enabled */
static struct clk i2c_fck = {
	.name		= "i2c_fck",
	.id		= 1,
	.ops		= &clkops_null,
	.flags		= CLOCK_NO_IDLE_PARENT,
	.parent		= &armxor_ck.clk,
	.recalc		= &followparent_recalc,
};

static struct clk i2c_ick = {
	.name		= "i2c_ick",
	.id		= 1,
	.ops		= &clkops_null,
	.flags		= CLOCK_NO_IDLE_PARENT,
	.parent		= &armper_ck.clk,
	.recalc		= &followparent_recalc,
};

#endif