arch/arm/mach-shmobile/clock-sh7372.c - kernel/msm-4.19 - Gitiles

 /*
  * SH7372 clock framework support
  *
  * Copyright (C) 2010 Magnus Damm
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/io.h>
 #include <linux/sh_clk.h>
 #include <mach/common.h>
 #include <asm/clkdev.h>

 /* SH7372 registers */
 #define FRQCRA		0xe6150000
 #define FRQCRB		0xe6150004
 #define FRQCRC		0xe61500e0
 #define FRQCRD		0xe61500e4
 #define VCLKCR1		0xe6150008
 #define VCLKCR2		0xe615000c
 #define VCLKCR3		0xe615001c
 #define FMSICKCR	0xe6150010
 #define FMSOCKCR	0xe6150014
 #define FSIACKCR	0xe6150018
 #define FSIBCKCR	0xe6150090
 #define SUBCKCR		0xe6150080
 #define SPUCKCR		0xe6150084
 #define VOUCKCR		0xe6150088
 #define HDMICKCR	0xe6150094
 #define DSITCKCR	0xe6150060
 #define DSI0PCKCR	0xe6150064
 #define DSI1PCKCR	0xe6150098
 #define PLLC01CR	0xe6150028
 #define PLLC2CR		0xe615002c
 #define SMSTPCR0	0xe6150130
 #define SMSTPCR1	0xe6150134
 #define SMSTPCR2	0xe6150138
 #define SMSTPCR3	0xe615013c
 #define SMSTPCR4	0xe6150140

 /* Platforms must set frequency on their DV_CLKI pin */
 struct clk dv_clki_clk = {
 };

 /* Fixed 32 KHz root clock from EXTALR pin */
 static struct clk r_clk = {
 	.rate           = 32768,
 };

 /*
  * 26MHz default rate for the EXTAL1 root input clock.
  * If needed, reset this with clk_set_rate() from the platform code.
  */
 struct clk sh7372_extal1_clk = {
 	.rate		= 26000000,
 };

 /*
  * 48MHz default rate for the EXTAL2 root input clock.
  * If needed, reset this with clk_set_rate() from the platform code.
  */
 struct clk sh7372_extal2_clk = {
 	.rate		= 48000000,
 };

 /* A fixed divide-by-2 block */
 static unsigned long div2_recalc(struct clk *clk)
 {
 	return clk->parent->rate / 2;
 }

 static struct clk_ops div2_clk_ops = {
 	.recalc		= div2_recalc,
 };

 /* Divide dv_clki by two */
 struct clk dv_clki_div2_clk = {
 	.ops		= &div2_clk_ops,
 	.parent		= &dv_clki_clk,
 };

 /* Divide extal1 by two */
 static struct clk extal1_div2_clk = {
 	.ops		= &div2_clk_ops,
 	.parent		= &sh7372_extal1_clk,
 };

 /* Divide extal2 by two */
 static struct clk extal2_div2_clk = {
 	.ops		= &div2_clk_ops,
 	.parent		= &sh7372_extal2_clk,
 };

 /* Divide extal2 by four */
 static struct clk extal2_div4_clk = {
 	.ops		= &div2_clk_ops,
 	.parent		= &extal2_div2_clk,
 };

 /* PLLC0 and PLLC1 */
 static unsigned long pllc01_recalc(struct clk *clk)
 {
 	unsigned long mult = 1;

 	if (__raw_readl(PLLC01CR) & (1 << 14))
 		mult = (((__raw_readl(clk->enable_reg) >> 24) & 0x3f) + 1) * 2;

 	return clk->parent->rate * mult;
 }

 static struct clk_ops pllc01_clk_ops = {
 	.recalc		= pllc01_recalc,
 };

 static struct clk pllc0_clk = {
 	.ops		= &pllc01_clk_ops,
 	.flags		= CLK_ENABLE_ON_INIT,
 	.parent		= &extal1_div2_clk,
 	.enable_reg	= (void __iomem *)FRQCRC,
 };

 static struct clk pllc1_clk = {
 	.ops		= &pllc01_clk_ops,
 	.flags		= CLK_ENABLE_ON_INIT,
 	.parent		= &extal1_div2_clk,
 	.enable_reg	= (void __iomem *)FRQCRA,
 };

 /* Divide PLLC1 by two */
 static struct clk pllc1_div2_clk = {
 	.ops		= &div2_clk_ops,
 	.parent		= &pllc1_clk,
 };

 /* PLLC2 */

 /* Indices are important - they are the actual src selecting values */
 static struct clk *pllc2_parent[] = {
 	[0] = &extal1_div2_clk,
 	[1] = &extal2_div2_clk,
 	[2] = &dv_clki_div2_clk,
 };

 /* Only multipliers 20 * 2 to 46 * 2 are valid, last entry for CPUFREQ_TABLE_END */
 static struct cpufreq_frequency_table pllc2_freq_table[29];

 static void pllc2_table_rebuild(struct clk *clk)
 {
 	int i;

 	/* Initialise PLLC2 frequency table */
 	for (i = 0; i < ARRAY_SIZE(pllc2_freq_table) - 2; i++) {
 		pllc2_freq_table[i].frequency = clk->parent->rate * (i + 20) * 2;
 		pllc2_freq_table[i].index = i;
 	}

 	/* This is a special entry - switching PLL off makes it a repeater */
 	pllc2_freq_table[i].frequency = clk->parent->rate;
 	pllc2_freq_table[i].index = i;

 	pllc2_freq_table[++i].frequency = CPUFREQ_TABLE_END;
 	pllc2_freq_table[i].index = i;
 }

 static unsigned long pllc2_recalc(struct clk *clk)
 {
 	unsigned long mult = 1;

 	pllc2_table_rebuild(clk);

 	/*
 	 * If the PLL is off, mult == 1, clk->rate will be updated in
 	 * pllc2_enable().
 	 */
 	if (__raw_readl(PLLC2CR) & (1 << 31))
 		mult = (((__raw_readl(PLLC2CR) >> 24) & 0x3f) + 1) * 2;

 	return clk->parent->rate * mult;
 }

 static long pllc2_round_rate(struct clk *clk, unsigned long rate)
 {
 	return clk_rate_table_round(clk, clk->freq_table, rate);
 }

 static int pllc2_enable(struct clk *clk)
 {
 	int i;

 	__raw_writel(__raw_readl(PLLC2CR) | 0x80000000, PLLC2CR);

 	for (i = 0; i < 100; i++)
 		if (__raw_readl(PLLC2CR) & 0x80000000) {
 			clk->rate = pllc2_recalc(clk);
 			return 0;
 		}

 	pr_err("%s(): timeout!\n", __func__);

 	return -ETIMEDOUT;
 }

 static void pllc2_disable(struct clk *clk)
 {
 	__raw_writel(__raw_readl(PLLC2CR) & ~0x80000000, PLLC2CR);
 }

 static int pllc2_set_rate(struct clk *clk,
 			  unsigned long rate, int algo_id)
 {
 	unsigned long value;
 	int idx;

 	idx = clk_rate_table_find(clk, clk->freq_table, rate);
 	if (idx < 0)
 		return idx;

 	if (rate == clk->parent->rate) {
 		pllc2_disable(clk);
 		return 0;
 	}

 	value = __raw_readl(PLLC2CR) & ~(0x3f << 24);

 	if (value & 0x80000000)
 		pllc2_disable(clk);

 	__raw_writel((value & ~0x80000000) | ((idx + 19) << 24), PLLC2CR);

 	if (value & 0x80000000)
 		return pllc2_enable(clk);

 	return 0;
 }

 static int pllc2_set_parent(struct clk *clk, struct clk *parent)
 {
 	u32 value;
 	int ret, i;

 	if (!clk->parent_table || !clk->parent_num)
 		return -EINVAL;

 	/* Search the parent */
 	for (i = 0; i < clk->parent_num; i++)
 		if (clk->parent_table[i] == parent)
 			break;

 	if (i == clk->parent_num)
 		return -ENODEV;

 	ret = clk_reparent(clk, parent);
 	if (ret < 0)
 		return ret;

 	value = __raw_readl(PLLC2CR) & ~(3 << 6);

 	__raw_writel(value | (i << 6), PLLC2CR);

 	/* Rebiuld the frequency table */
 	pllc2_table_rebuild(clk);

 	return 0;
 }

 static struct clk_ops pllc2_clk_ops = {
 	.recalc		= pllc2_recalc,
 	.round_rate	= pllc2_round_rate,
 	.set_rate	= pllc2_set_rate,
 	.enable		= pllc2_enable,
 	.disable	= pllc2_disable,
 	.set_parent	= pllc2_set_parent,
 };

 struct clk pllc2_clk = {
 	.ops		= &pllc2_clk_ops,
 	.flags		= CLK_ENABLE_ON_INIT,
 	.parent		= &extal1_div2_clk,
 	.freq_table	= pllc2_freq_table,
 	.parent_table	= pllc2_parent,
 	.parent_num	= ARRAY_SIZE(pllc2_parent),
 };

 static struct clk *main_clks[] = {
 	&dv_clki_clk,
 	&r_clk,
 	&sh7372_extal1_clk,
 	&sh7372_extal2_clk,
 	&dv_clki_div2_clk,
 	&extal1_div2_clk,
 	&extal2_div2_clk,
 	&extal2_div4_clk,
 	&pllc0_clk,
 	&pllc1_clk,
 	&pllc1_div2_clk,
 	&pllc2_clk,
 };

 static void div4_kick(struct clk *clk)
 {
 	unsigned long value;

 	/* set KICK bit in FRQCRB to update hardware setting */
 	value = __raw_readl(FRQCRB);
 	value |= (1 << 31);
 	__raw_writel(value, FRQCRB);
 }

 static int divisors[] = { 2, 3, 4, 6, 8, 12, 16, 18,
 			  24, 32, 36, 48, 0, 72, 96, 0 };

 static struct clk_div_mult_table div4_div_mult_table = {
 	.divisors = divisors,
 	.nr_divisors = ARRAY_SIZE(divisors),
 };

 static struct clk_div4_table div4_table = {
 	.div_mult_table = &div4_div_mult_table,
 	.kick = div4_kick,
 };

 enum { DIV4_I, DIV4_ZG, DIV4_B, DIV4_M1, DIV4_CSIR,
        DIV4_ZTR, DIV4_ZT, DIV4_ZX, DIV4_HP,
        DIV4_ISPB, DIV4_S, DIV4_ZB, DIV4_ZB3, DIV4_CP,
        DIV4_DDRP, DIV4_NR };

 #define DIV4(_reg, _bit, _mask, _flags) \
   SH_CLK_DIV4(&pllc1_clk, _reg, _bit, _mask, _flags)

 static struct clk div4_clks[DIV4_NR] = {
 	[DIV4_I] = DIV4(FRQCRA, 20, 0x6fff, CLK_ENABLE_ON_INIT),
 	[DIV4_ZG] = DIV4(FRQCRA, 16, 0x6fff, CLK_ENABLE_ON_INIT),
 	[DIV4_B] = DIV4(FRQCRA, 8, 0x6fff, CLK_ENABLE_ON_INIT),
 	[DIV4_M1] = DIV4(FRQCRA, 4, 0x6fff, CLK_ENABLE_ON_INIT),
 	[DIV4_CSIR] = DIV4(FRQCRA, 0, 0x6fff, 0),
 	[DIV4_ZTR] = DIV4(FRQCRB, 20, 0x6fff, 0),
 	[DIV4_ZT] = DIV4(FRQCRB, 16, 0x6fff, 0),
 	[DIV4_ZX] = DIV4(FRQCRB, 12, 0x6fff, 0),
 	[DIV4_HP] = DIV4(FRQCRB, 4, 0x6fff, 0),
 	[DIV4_ISPB] = DIV4(FRQCRC, 20, 0x6fff, 0),
 	[DIV4_S] = DIV4(FRQCRC, 12, 0x6fff, 0),
 	[DIV4_ZB] = DIV4(FRQCRC, 8, 0x6fff, 0),
 	[DIV4_ZB3] = DIV4(FRQCRC, 4, 0x6fff, 0),
 	[DIV4_CP] = DIV4(FRQCRC, 0, 0x6fff, 0),
 	[DIV4_DDRP] = DIV4(FRQCRD, 0, 0x677c, 0),
 };

 enum { DIV6_VCK1, DIV6_VCK2, DIV6_VCK3, DIV6_FMSI, DIV6_FMSO,
        DIV6_FSIA, DIV6_FSIB, DIV6_SUB, DIV6_SPU,
        DIV6_VOU, DIV6_DSIT, DIV6_DSI0P, DIV6_DSI1P,
        DIV6_NR };

 static struct clk div6_clks[DIV6_NR] = {
 	[DIV6_VCK1] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR1, 0),
 	[DIV6_VCK2] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR2, 0),
 	[DIV6_VCK3] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR3, 0),
 	[DIV6_FMSI] = SH_CLK_DIV6(&pllc1_div2_clk, FMSICKCR, 0),
 	[DIV6_FMSO] = SH_CLK_DIV6(&pllc1_div2_clk, FMSOCKCR, 0),
 	[DIV6_FSIA] = SH_CLK_DIV6(&pllc1_div2_clk, FSIACKCR, 0),
 	[DIV6_FSIB] = SH_CLK_DIV6(&pllc1_div2_clk, FSIBCKCR, 0),
 	[DIV6_SUB] = SH_CLK_DIV6(&sh7372_extal2_clk, SUBCKCR, 0),
 	[DIV6_SPU] = SH_CLK_DIV6(&pllc1_div2_clk, SPUCKCR, 0),
 	[DIV6_VOU] = SH_CLK_DIV6(&pllc1_div2_clk, VOUCKCR, 0),
 	[DIV6_DSIT] = SH_CLK_DIV6(&pllc1_div2_clk, DSITCKCR, 0),
 	[DIV6_DSI0P] = SH_CLK_DIV6(&pllc1_div2_clk, DSI0PCKCR, 0),
 	[DIV6_DSI1P] = SH_CLK_DIV6(&pllc1_div2_clk, DSI1PCKCR, 0),
 };

 enum { DIV6_HDMI, DIV6_REPARENT_NR };

 /* Indices are important - they are the actual src selecting values */
 static struct clk *hdmi_parent[] = {
 	[0] = &pllc1_div2_clk,
 	[1] = &pllc2_clk,
 	[2] = &dv_clki_clk,
 	[3] = NULL,	/* pllc2_div4 not implemented yet */
 };

 static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = {
 	[DIV6_HDMI] = SH_CLK_DIV6_EXT(&pllc1_div2_clk, HDMICKCR, 0,
 				      hdmi_parent, ARRAY_SIZE(hdmi_parent), 6, 2),
 };

 enum { MSTP001,
        MSTP131, MSTP130,
        MSTP129, MSTP128,
        MSTP118, MSTP117, MSTP116,
        MSTP106, MSTP101, MSTP100,
        MSTP223,
        MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
        MSTP329, MSTP328, MSTP323, MSTP322, MSTP314, MSTP313, MSTP312,
        MSTP415, MSTP413, MSTP411, MSTP410, MSTP406, MSTP403,
        MSTP_NR };

 #define MSTP(_parent, _reg, _bit, _flags) \
   SH_CLK_MSTP32(_parent, _reg, _bit, _flags)

 static struct clk mstp_clks[MSTP_NR] = {
 	[MSTP001] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR0, 1, 0), /* IIC2 */
 	[MSTP131] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 31, 0), /* VEU3 */
 	[MSTP130] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 30, 0), /* VEU2 */
 	[MSTP129] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 29, 0), /* VEU1 */
 	[MSTP128] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 28, 0), /* VEU0 */
 	[MSTP118] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 18, 0), /* DSITX */
 	[MSTP117] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 17, 0), /* LCDC1 */
 	[MSTP116] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR1, 16, 0), /* IIC0 */
 	[MSTP106] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 6, 0), /* JPU */
 	[MSTP101] = MSTP(&div4_clks[DIV4_M1], SMSTPCR1, 1, 0), /* VPU */
 	[MSTP100] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */
 	[MSTP223] = MSTP(&div6_clks[DIV6_SPU], SMSTPCR2, 23, 0), /* SPU2 */
 	[MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */
 	[MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */
 	[MSTP204] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */
 	[MSTP203] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 3, 0), /* SCIFA1 */
 	[MSTP202] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 2, 0), /* SCIFA2 */
 	[MSTP201] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 1, 0), /* SCIFA3 */
 	[MSTP200] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 0, 0), /* SCIFA4 */
 	[MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */
 	[MSTP328] = MSTP(&div6_clks[DIV6_SPU], SMSTPCR3, 28, 0), /* FSIA */
 	[MSTP323] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 23, 0), /* IIC1 */
 	[MSTP322] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 22, 0), /* USB0 */
 	[MSTP314] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 14, 0), /* SDHI0 */
 	[MSTP313] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 13, 0), /* SDHI1 */
 	[MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMC */
 	[MSTP415] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 15, 0), /* SDHI2 */
 	[MSTP413] = MSTP(&pllc1_div2_clk, SMSTPCR4, 13, 0), /* HDMI */
 	[MSTP411] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 11, 0), /* IIC3 */
 	[MSTP410] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 10, 0), /* IIC4 */
 	[MSTP406] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 6, 0), /* USB1 */
 	[MSTP403] = MSTP(&r_clk, SMSTPCR4, 3, 0), /* KEYSC */
 };

 #define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk }
 #define CLKDEV_DEV_ID(_id, _clk) { .dev_id = _id, .clk = _clk }

 static struct clk_lookup lookups[] = {
 	/* main clocks */
 	CLKDEV_CON_ID("dv_clki_div2_clk", &dv_clki_div2_clk),
 	CLKDEV_CON_ID("r_clk", &r_clk),
 	CLKDEV_CON_ID("extal1", &sh7372_extal1_clk),
 	CLKDEV_CON_ID("extal2", &sh7372_extal2_clk),
 	CLKDEV_CON_ID("extal1_div2_clk", &extal1_div2_clk),
 	CLKDEV_CON_ID("extal2_div2_clk", &extal2_div2_clk),
 	CLKDEV_CON_ID("extal2_div4_clk", &extal2_div4_clk),
 	CLKDEV_CON_ID("pllc0_clk", &pllc0_clk),
 	CLKDEV_CON_ID("pllc1_clk", &pllc1_clk),
 	CLKDEV_CON_ID("pllc1_div2_clk", &pllc1_div2_clk),
 	CLKDEV_CON_ID("pllc2_clk", &pllc2_clk),

 	/* DIV4 clocks */
 	CLKDEV_CON_ID("i_clk", &div4_clks[DIV4_I]),
 	CLKDEV_CON_ID("zg_clk", &div4_clks[DIV4_ZG]),
 	CLKDEV_CON_ID("b_clk", &div4_clks[DIV4_B]),
 	CLKDEV_CON_ID("m1_clk", &div4_clks[DIV4_M1]),
 	CLKDEV_CON_ID("csir_clk", &div4_clks[DIV4_CSIR]),
 	CLKDEV_CON_ID("ztr_clk", &div4_clks[DIV4_ZTR]),
 	CLKDEV_CON_ID("zt_clk", &div4_clks[DIV4_ZT]),
 	CLKDEV_CON_ID("zx_clk", &div4_clks[DIV4_ZX]),
 	CLKDEV_CON_ID("hp_clk", &div4_clks[DIV4_HP]),
 	CLKDEV_CON_ID("ispb_clk", &div4_clks[DIV4_ISPB]),
 	CLKDEV_CON_ID("s_clk", &div4_clks[DIV4_S]),
 	CLKDEV_CON_ID("zb_clk", &div4_clks[DIV4_ZB]),
 	CLKDEV_CON_ID("zb3_clk", &div4_clks[DIV4_ZB3]),
 	CLKDEV_CON_ID("cp_clk", &div4_clks[DIV4_CP]),
 	CLKDEV_CON_ID("ddrp_clk", &div4_clks[DIV4_DDRP]),

 	/* DIV6 clocks */
 	CLKDEV_CON_ID("vck1_clk", &div6_clks[DIV6_VCK1]),
 	CLKDEV_CON_ID("vck2_clk", &div6_clks[DIV6_VCK2]),
 	CLKDEV_CON_ID("vck3_clk", &div6_clks[DIV6_VCK3]),
 	CLKDEV_CON_ID("fmsi_clk", &div6_clks[DIV6_FMSI]),
 	CLKDEV_CON_ID("fmso_clk", &div6_clks[DIV6_FMSO]),
 	CLKDEV_CON_ID("fsia_clk", &div6_clks[DIV6_FSIA]),
 	CLKDEV_CON_ID("fsib_clk", &div6_clks[DIV6_FSIB]),
 	CLKDEV_CON_ID("sub_clk", &div6_clks[DIV6_SUB]),
 	CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_SPU]),
 	CLKDEV_CON_ID("vou_clk", &div6_clks[DIV6_VOU]),
 	CLKDEV_CON_ID("hdmi_clk", &div6_reparent_clks[DIV6_HDMI]),
 	CLKDEV_CON_ID("dsit_clk", &div6_clks[DIV6_DSIT]),
 	CLKDEV_CON_ID("dsi0p_clk", &div6_clks[DIV6_DSI0P]),
 	CLKDEV_CON_ID("dsi1p_clk", &div6_clks[DIV6_DSI1P]),

 	/* MSTP32 clocks */
 	CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* IIC2 */
 	CLKDEV_DEV_ID("uio_pdrv_genirq.4", &mstp_clks[MSTP131]), /* VEU3 */
 	CLKDEV_DEV_ID("uio_pdrv_genirq.3", &mstp_clks[MSTP130]), /* VEU2 */
 	CLKDEV_DEV_ID("uio_pdrv_genirq.2", &mstp_clks[MSTP129]), /* VEU1 */
 	CLKDEV_DEV_ID("uio_pdrv_genirq.1", &mstp_clks[MSTP128]), /* VEU0 */
 	CLKDEV_DEV_ID("sh-mipi-dsi.0", &mstp_clks[MSTP118]), /* DSITX */
 	CLKDEV_DEV_ID("sh_mobile_lcdc_fb.1", &mstp_clks[MSTP117]), /* LCDC1 */
 	CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* IIC0 */
 	CLKDEV_DEV_ID("uio_pdrv_genirq.5", &mstp_clks[MSTP106]), /* JPU */
 	CLKDEV_DEV_ID("uio_pdrv_genirq.0", &mstp_clks[MSTP101]), /* VPU */
 	CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */
 	CLKDEV_DEV_ID("uio_pdrv_genirq.6", &mstp_clks[MSTP223]), /* SPU2DSP0 */
 	CLKDEV_DEV_ID("uio_pdrv_genirq.7", &mstp_clks[MSTP223]), /* SPU2DSP1 */
 	CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */
 	CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP206]), /* SCIFB */
 	CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */
 	CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), /* SCIFA1 */
 	CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP202]), /* SCIFA2 */
 	CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP201]), /* SCIFA3 */
 	CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), /* SCIFA4 */
 	CLKDEV_CON_ID("cmt1", &mstp_clks[MSTP329]), /* CMT10 */
 	CLKDEV_DEV_ID("sh_fsi2", &mstp_clks[MSTP328]), /* FSI2 */
 	CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* IIC1 */
 	CLKDEV_DEV_ID("r8a66597_hcd.0", &mstp_clks[MSTP323]), /* USB0 */
 	CLKDEV_DEV_ID("r8a66597_udc.0", &mstp_clks[MSTP323]), /* USB0 */
 	CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */
 	CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */
 	CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMC */
 	CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP415]), /* SDHI2 */
 	CLKDEV_DEV_ID("sh-mobile-hdmi", &mstp_clks[MSTP413]), /* HDMI */
 	CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* IIC3 */
 	CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* IIC4 */
 	CLKDEV_DEV_ID("r8a66597_hcd.1", &mstp_clks[MSTP406]), /* USB1 */
 	CLKDEV_DEV_ID("r8a66597_udc.1", &mstp_clks[MSTP406]), /* USB1 */
 	CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */
 	{.con_id = "ick", .dev_id = "sh-mobile-hdmi", .clk = &div6_reparent_clks[DIV6_HDMI]},
 };

 void __init sh7372_clock_init(void)
 {
 	int k, ret = 0;

 	for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++)
 		ret = clk_register(main_clks[k]);

 	if (!ret)
 		ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table);

 	if (!ret)
 		ret = sh_clk_div6_register(div6_clks, DIV6_NR);

 	if (!ret)
 		ret = sh_clk_div6_reparent_register(div6_reparent_clks, DIV6_NR);

 	if (!ret)
 		ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);

 	clkdev_add_table(lookups, ARRAY_SIZE(lookups));

 	if (!ret)
 		clk_init();
 	else
 		panic("failed to setup sh7372 clocks\n");

 }
	/*
	* SH7372 clock framework support
	*
	* Copyright (C) 2010 Magnus Damm
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation; either version 2 of the License
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*/
	#include <linux/init.h>
	#include <linux/kernel.h>
	#include <linux/io.h>
	#include <linux/sh_clk.h>
	#include <mach/common.h>
	#include <asm/clkdev.h>

	/* SH7372 registers */
	#define FRQCRA 0xe6150000
	#define FRQCRB 0xe6150004
	#define FRQCRC 0xe61500e0
	#define FRQCRD 0xe61500e4
	#define VCLKCR1 0xe6150008
	#define VCLKCR2 0xe615000c
	#define VCLKCR3 0xe615001c
	#define FMSICKCR 0xe6150010
	#define FMSOCKCR 0xe6150014
	#define FSIACKCR 0xe6150018
	#define FSIBCKCR 0xe6150090
	#define SUBCKCR 0xe6150080
	#define SPUCKCR 0xe6150084
	#define VOUCKCR 0xe6150088
	#define HDMICKCR 0xe6150094
	#define DSITCKCR 0xe6150060
	#define DSI0PCKCR 0xe6150064
	#define DSI1PCKCR 0xe6150098
	#define PLLC01CR 0xe6150028
	#define PLLC2CR 0xe615002c
	#define SMSTPCR0 0xe6150130
	#define SMSTPCR1 0xe6150134
	#define SMSTPCR2 0xe6150138
	#define SMSTPCR3 0xe615013c
	#define SMSTPCR4 0xe6150140

	/* Platforms must set frequency on their DV_CLKI pin */
	struct clk dv_clki_clk = {
	};

	/* Fixed 32 KHz root clock from EXTALR pin */
	static struct clk r_clk = {
	.rate = 32768,
	};

	/*
	* 26MHz default rate for the EXTAL1 root input clock.
	* If needed, reset this with clk_set_rate() from the platform code.
	*/
	struct clk sh7372_extal1_clk = {
	.rate = 26000000,
	};

	/*
	* 48MHz default rate for the EXTAL2 root input clock.
	* If needed, reset this with clk_set_rate() from the platform code.
	*/
	struct clk sh7372_extal2_clk = {
	.rate = 48000000,
	};

	/* A fixed divide-by-2 block */
	static unsigned long div2_recalc(struct clk *clk)
	{
	return clk->parent->rate / 2;
	}

	static struct clk_ops div2_clk_ops = {
	.recalc = div2_recalc,
	};

	/* Divide dv_clki by two */
	struct clk dv_clki_div2_clk = {
	.ops = &div2_clk_ops,
	.parent = &dv_clki_clk,
	};

	/* Divide extal1 by two */
	static struct clk extal1_div2_clk = {
	.ops = &div2_clk_ops,
	.parent = &sh7372_extal1_clk,
	};

	/* Divide extal2 by two */
	static struct clk extal2_div2_clk = {
	.ops = &div2_clk_ops,
	.parent = &sh7372_extal2_clk,
	};

	/* Divide extal2 by four */
	static struct clk extal2_div4_clk = {
	.ops = &div2_clk_ops,
	.parent = &extal2_div2_clk,
	};

	/* PLLC0 and PLLC1 */
	static unsigned long pllc01_recalc(struct clk *clk)
	{
	unsigned long mult = 1;

	if (__raw_readl(PLLC01CR) & (1 << 14))
	mult = (((__raw_readl(clk->enable_reg) >> 24) & 0x3f) + 1) * 2;

	return clk->parent->rate * mult;
	}

	static struct clk_ops pllc01_clk_ops = {
	.recalc = pllc01_recalc,
	};

	static struct clk pllc0_clk = {
	.ops = &pllc01_clk_ops,
	.flags = CLK_ENABLE_ON_INIT,
	.parent = &extal1_div2_clk,
	.enable_reg = (void __iomem *)FRQCRC,
	};

	static struct clk pllc1_clk = {
	.ops = &pllc01_clk_ops,
	.flags = CLK_ENABLE_ON_INIT,
	.parent = &extal1_div2_clk,
	.enable_reg = (void __iomem *)FRQCRA,
	};

	/* Divide PLLC1 by two */
	static struct clk pllc1_div2_clk = {
	.ops = &div2_clk_ops,
	.parent = &pllc1_clk,
	};

	/* PLLC2 */

	/* Indices are important - they are the actual src selecting values */
	static struct clk *pllc2_parent[] = {
	[0] = &extal1_div2_clk,
	[1] = &extal2_div2_clk,
	[2] = &dv_clki_div2_clk,
	};

	/* Only multipliers 20 * 2 to 46 * 2 are valid, last entry for CPUFREQ_TABLE_END */
	static struct cpufreq_frequency_table pllc2_freq_table[29];

	static void pllc2_table_rebuild(struct clk *clk)
	{
	int i;

	/* Initialise PLLC2 frequency table */
	for (i = 0; i < ARRAY_SIZE(pllc2_freq_table) - 2; i++) {
	pllc2_freq_table[i].frequency = clk->parent->rate * (i + 20) * 2;
	pllc2_freq_table[i].index = i;
	}

	/* This is a special entry - switching PLL off makes it a repeater */
	pllc2_freq_table[i].frequency = clk->parent->rate;
	pllc2_freq_table[i].index = i;

	pllc2_freq_table[++i].frequency = CPUFREQ_TABLE_END;
	pllc2_freq_table[i].index = i;
	}

	static unsigned long pllc2_recalc(struct clk *clk)
	{
	unsigned long mult = 1;

	pllc2_table_rebuild(clk);

	/*
	* If the PLL is off, mult == 1, clk->rate will be updated in
	* pllc2_enable().
	*/
	if (__raw_readl(PLLC2CR) & (1 << 31))
	mult = (((__raw_readl(PLLC2CR) >> 24) & 0x3f) + 1) * 2;

	return clk->parent->rate * mult;
	}

	static long pllc2_round_rate(struct clk *clk, unsigned long rate)
	{
	return clk_rate_table_round(clk, clk->freq_table, rate);
	}

	static int pllc2_enable(struct clk *clk)
	{
	int i;

	__raw_writel(__raw_readl(PLLC2CR) \| 0x80000000, PLLC2CR);

	for (i = 0; i < 100; i++)
	if (__raw_readl(PLLC2CR) & 0x80000000) {
	clk->rate = pllc2_recalc(clk);
	return 0;
	}

	pr_err("%s(): timeout!\n", __func__);

	return -ETIMEDOUT;
	}

	static void pllc2_disable(struct clk *clk)
	{
	__raw_writel(__raw_readl(PLLC2CR) & ~0x80000000, PLLC2CR);
	}

	static int pllc2_set_rate(struct clk *clk,
	unsigned long rate, int algo_id)
	{
	unsigned long value;
	int idx;

	idx = clk_rate_table_find(clk, clk->freq_table, rate);
	if (idx < 0)
	return idx;

	if (rate == clk->parent->rate) {
	pllc2_disable(clk);
	return 0;
	}

	value = __raw_readl(PLLC2CR) & ~(0x3f << 24);

	if (value & 0x80000000)
	pllc2_disable(clk);

	__raw_writel((value & ~0x80000000) \| ((idx + 19) << 24), PLLC2CR);

	if (value & 0x80000000)
	return pllc2_enable(clk);

	return 0;
	}

	static int pllc2_set_parent(struct clk clk, struct clk parent)
	{
	u32 value;
	int ret, i;

	if (!clk->parent_table \|\| !clk->parent_num)
	return -EINVAL;

	/* Search the parent */
	for (i = 0; i < clk->parent_num; i++)
	if (clk->parent_table[i] == parent)
	break;

	if (i == clk->parent_num)
	return -ENODEV;

	ret = clk_reparent(clk, parent);
	if (ret < 0)
	return ret;

	value = __raw_readl(PLLC2CR) & ~(3 << 6);

	__raw_writel(value \| (i << 6), PLLC2CR);

	/* Rebiuld the frequency table */
	pllc2_table_rebuild(clk);

	return 0;
	}

	static struct clk_ops pllc2_clk_ops = {
	.recalc = pllc2_recalc,
	.round_rate = pllc2_round_rate,
	.set_rate = pllc2_set_rate,
	.enable = pllc2_enable,
	.disable = pllc2_disable,
	.set_parent = pllc2_set_parent,
	};

	struct clk pllc2_clk = {
	.ops = &pllc2_clk_ops,
	.flags = CLK_ENABLE_ON_INIT,
	.parent = &extal1_div2_clk,
	.freq_table = pllc2_freq_table,
	.parent_table = pllc2_parent,
	.parent_num = ARRAY_SIZE(pllc2_parent),
	};

	static struct clk *main_clks[] = {
	&dv_clki_clk,
	&r_clk,
	&sh7372_extal1_clk,
	&sh7372_extal2_clk,
	&dv_clki_div2_clk,
	&extal1_div2_clk,
	&extal2_div2_clk,
	&extal2_div4_clk,
	&pllc0_clk,
	&pllc1_clk,
	&pllc1_div2_clk,
	&pllc2_clk,
	};

	static void div4_kick(struct clk *clk)
	{
	unsigned long value;

	/* set KICK bit in FRQCRB to update hardware setting */
	value = __raw_readl(FRQCRB);
	value \|= (1 << 31);
	__raw_writel(value, FRQCRB);
	}

	static int divisors[] = { 2, 3, 4, 6, 8, 12, 16, 18,
	24, 32, 36, 48, 0, 72, 96, 0 };

	static struct clk_div_mult_table div4_div_mult_table = {
	.divisors = divisors,
	.nr_divisors = ARRAY_SIZE(divisors),
	};

	static struct clk_div4_table div4_table = {
	.div_mult_table = &div4_div_mult_table,
	.kick = div4_kick,
	};

	enum { DIV4_I, DIV4_ZG, DIV4_B, DIV4_M1, DIV4_CSIR,
	DIV4_ZTR, DIV4_ZT, DIV4_ZX, DIV4_HP,
	DIV4_ISPB, DIV4_S, DIV4_ZB, DIV4_ZB3, DIV4_CP,
	DIV4_DDRP, DIV4_NR };

	#define DIV4(_reg, _bit, _mask, _flags) \
	SH_CLK_DIV4(&pllc1_clk, _reg, _bit, _mask, _flags)

	static struct clk div4_clks[DIV4_NR] = {
	[DIV4_I] = DIV4(FRQCRA, 20, 0x6fff, CLK_ENABLE_ON_INIT),
	[DIV4_ZG] = DIV4(FRQCRA, 16, 0x6fff, CLK_ENABLE_ON_INIT),
	[DIV4_B] = DIV4(FRQCRA, 8, 0x6fff, CLK_ENABLE_ON_INIT),
	[DIV4_M1] = DIV4(FRQCRA, 4, 0x6fff, CLK_ENABLE_ON_INIT),
	[DIV4_CSIR] = DIV4(FRQCRA, 0, 0x6fff, 0),
	[DIV4_ZTR] = DIV4(FRQCRB, 20, 0x6fff, 0),
	[DIV4_ZT] = DIV4(FRQCRB, 16, 0x6fff, 0),
	[DIV4_ZX] = DIV4(FRQCRB, 12, 0x6fff, 0),
	[DIV4_HP] = DIV4(FRQCRB, 4, 0x6fff, 0),
	[DIV4_ISPB] = DIV4(FRQCRC, 20, 0x6fff, 0),
	[DIV4_S] = DIV4(FRQCRC, 12, 0x6fff, 0),
	[DIV4_ZB] = DIV4(FRQCRC, 8, 0x6fff, 0),
	[DIV4_ZB3] = DIV4(FRQCRC, 4, 0x6fff, 0),
	[DIV4_CP] = DIV4(FRQCRC, 0, 0x6fff, 0),
	[DIV4_DDRP] = DIV4(FRQCRD, 0, 0x677c, 0),
	};

	enum { DIV6_VCK1, DIV6_VCK2, DIV6_VCK3, DIV6_FMSI, DIV6_FMSO,
	DIV6_FSIA, DIV6_FSIB, DIV6_SUB, DIV6_SPU,
	DIV6_VOU, DIV6_DSIT, DIV6_DSI0P, DIV6_DSI1P,
	DIV6_NR };

	static struct clk div6_clks[DIV6_NR] = {
	[DIV6_VCK1] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR1, 0),
	[DIV6_VCK2] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR2, 0),
	[DIV6_VCK3] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR3, 0),
	[DIV6_FMSI] = SH_CLK_DIV6(&pllc1_div2_clk, FMSICKCR, 0),
	[DIV6_FMSO] = SH_CLK_DIV6(&pllc1_div2_clk, FMSOCKCR, 0),
	[DIV6_FSIA] = SH_CLK_DIV6(&pllc1_div2_clk, FSIACKCR, 0),
	[DIV6_FSIB] = SH_CLK_DIV6(&pllc1_div2_clk, FSIBCKCR, 0),
	[DIV6_SUB] = SH_CLK_DIV6(&sh7372_extal2_clk, SUBCKCR, 0),
	[DIV6_SPU] = SH_CLK_DIV6(&pllc1_div2_clk, SPUCKCR, 0),
	[DIV6_VOU] = SH_CLK_DIV6(&pllc1_div2_clk, VOUCKCR, 0),
	[DIV6_DSIT] = SH_CLK_DIV6(&pllc1_div2_clk, DSITCKCR, 0),
	[DIV6_DSI0P] = SH_CLK_DIV6(&pllc1_div2_clk, DSI0PCKCR, 0),
	[DIV6_DSI1P] = SH_CLK_DIV6(&pllc1_div2_clk, DSI1PCKCR, 0),
	};

	enum { DIV6_HDMI, DIV6_REPARENT_NR };

	/* Indices are important - they are the actual src selecting values */
	static struct clk *hdmi_parent[] = {
	[0] = &pllc1_div2_clk,
	[1] = &pllc2_clk,
	[2] = &dv_clki_clk,
	[3] = NULL, /* pllc2_div4 not implemented yet */
	};

	static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = {
	[DIV6_HDMI] = SH_CLK_DIV6_EXT(&pllc1_div2_clk, HDMICKCR, 0,
	hdmi_parent, ARRAY_SIZE(hdmi_parent), 6, 2),
	};

	enum { MSTP001,
	MSTP131, MSTP130,
	MSTP129, MSTP128,
	MSTP118, MSTP117, MSTP116,
	MSTP106, MSTP101, MSTP100,
	MSTP223,
	MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
	MSTP329, MSTP328, MSTP323, MSTP322, MSTP314, MSTP313, MSTP312,
	MSTP415, MSTP413, MSTP411, MSTP410, MSTP406, MSTP403,
	MSTP_NR };

	#define MSTP(_parent, _reg, _bit, _flags) \
	SH_CLK_MSTP32(_parent, _reg, _bit, _flags)

	static struct clk mstp_clks[MSTP_NR] = {
	[MSTP001] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR0, 1, 0), /* IIC2 */
	[MSTP131] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 31, 0), /* VEU3 */
	[MSTP130] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 30, 0), /* VEU2 */
	[MSTP129] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 29, 0), /* VEU1 */
	[MSTP128] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 28, 0), /* VEU0 */
	[MSTP118] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 18, 0), /* DSITX */
	[MSTP117] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 17, 0), /* LCDC1 */
	[MSTP116] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR1, 16, 0), /* IIC0 */
	[MSTP106] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 6, 0), /* JPU */
	[MSTP101] = MSTP(&div4_clks[DIV4_M1], SMSTPCR1, 1, 0), /* VPU */
	[MSTP100] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */
	[MSTP223] = MSTP(&div6_clks[DIV6_SPU], SMSTPCR2, 23, 0), /* SPU2 */
	[MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */
	[MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */
	[MSTP204] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */
	[MSTP203] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 3, 0), /* SCIFA1 */
	[MSTP202] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 2, 0), /* SCIFA2 */
	[MSTP201] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 1, 0), /* SCIFA3 */
	[MSTP200] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 0, 0), /* SCIFA4 */
	[MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */
	[MSTP328] = MSTP(&div6_clks[DIV6_SPU], SMSTPCR3, 28, 0), /* FSIA */
	[MSTP323] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 23, 0), /* IIC1 */
	[MSTP322] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 22, 0), /* USB0 */
	[MSTP314] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 14, 0), /* SDHI0 */
	[MSTP313] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 13, 0), /* SDHI1 */
	[MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMC */
	[MSTP415] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 15, 0), /* SDHI2 */
	[MSTP413] = MSTP(&pllc1_div2_clk, SMSTPCR4, 13, 0), /* HDMI */
	[MSTP411] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 11, 0), /* IIC3 */
	[MSTP410] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 10, 0), /* IIC4 */
	[MSTP406] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR4, 6, 0), /* USB1 */
	[MSTP403] = MSTP(&r_clk, SMSTPCR4, 3, 0), /* KEYSC */
	};

	#define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk }
	#define CLKDEV_DEV_ID(_id, _clk) { .dev_id = _id, .clk = _clk }

	static struct clk_lookup lookups[] = {
	/* main clocks */
	CLKDEV_CON_ID("dv_clki_div2_clk", &dv_clki_div2_clk),
	CLKDEV_CON_ID("r_clk", &r_clk),
	CLKDEV_CON_ID("extal1", &sh7372_extal1_clk),
	CLKDEV_CON_ID("extal2", &sh7372_extal2_clk),
	CLKDEV_CON_ID("extal1_div2_clk", &extal1_div2_clk),
	CLKDEV_CON_ID("extal2_div2_clk", &extal2_div2_clk),
	CLKDEV_CON_ID("extal2_div4_clk", &extal2_div4_clk),
	CLKDEV_CON_ID("pllc0_clk", &pllc0_clk),
	CLKDEV_CON_ID("pllc1_clk", &pllc1_clk),
	CLKDEV_CON_ID("pllc1_div2_clk", &pllc1_div2_clk),
	CLKDEV_CON_ID("pllc2_clk", &pllc2_clk),

	/* DIV4 clocks */
	CLKDEV_CON_ID("i_clk", &div4_clks[DIV4_I]),
	CLKDEV_CON_ID("zg_clk", &div4_clks[DIV4_ZG]),
	CLKDEV_CON_ID("b_clk", &div4_clks[DIV4_B]),
	CLKDEV_CON_ID("m1_clk", &div4_clks[DIV4_M1]),
	CLKDEV_CON_ID("csir_clk", &div4_clks[DIV4_CSIR]),
	CLKDEV_CON_ID("ztr_clk", &div4_clks[DIV4_ZTR]),
	CLKDEV_CON_ID("zt_clk", &div4_clks[DIV4_ZT]),
	CLKDEV_CON_ID("zx_clk", &div4_clks[DIV4_ZX]),
	CLKDEV_CON_ID("hp_clk", &div4_clks[DIV4_HP]),
	CLKDEV_CON_ID("ispb_clk", &div4_clks[DIV4_ISPB]),
	CLKDEV_CON_ID("s_clk", &div4_clks[DIV4_S]),
	CLKDEV_CON_ID("zb_clk", &div4_clks[DIV4_ZB]),
	CLKDEV_CON_ID("zb3_clk", &div4_clks[DIV4_ZB3]),
	CLKDEV_CON_ID("cp_clk", &div4_clks[DIV4_CP]),
	CLKDEV_CON_ID("ddrp_clk", &div4_clks[DIV4_DDRP]),

	/* DIV6 clocks */
	CLKDEV_CON_ID("vck1_clk", &div6_clks[DIV6_VCK1]),
	CLKDEV_CON_ID("vck2_clk", &div6_clks[DIV6_VCK2]),
	CLKDEV_CON_ID("vck3_clk", &div6_clks[DIV6_VCK3]),
	CLKDEV_CON_ID("fmsi_clk", &div6_clks[DIV6_FMSI]),
	CLKDEV_CON_ID("fmso_clk", &div6_clks[DIV6_FMSO]),
	CLKDEV_CON_ID("fsia_clk", &div6_clks[DIV6_FSIA]),
	CLKDEV_CON_ID("fsib_clk", &div6_clks[DIV6_FSIB]),
	CLKDEV_CON_ID("sub_clk", &div6_clks[DIV6_SUB]),
	CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_SPU]),
	CLKDEV_CON_ID("vou_clk", &div6_clks[DIV6_VOU]),
	CLKDEV_CON_ID("hdmi_clk", &div6_reparent_clks[DIV6_HDMI]),
	CLKDEV_CON_ID("dsit_clk", &div6_clks[DIV6_DSIT]),
	CLKDEV_CON_ID("dsi0p_clk", &div6_clks[DIV6_DSI0P]),
	CLKDEV_CON_ID("dsi1p_clk", &div6_clks[DIV6_DSI1P]),

	/* MSTP32 clocks */
	CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* IIC2 */
	CLKDEV_DEV_ID("uio_pdrv_genirq.4", &mstp_clks[MSTP131]), /* VEU3 */
	CLKDEV_DEV_ID("uio_pdrv_genirq.3", &mstp_clks[MSTP130]), /* VEU2 */
	CLKDEV_DEV_ID("uio_pdrv_genirq.2", &mstp_clks[MSTP129]), /* VEU1 */
	CLKDEV_DEV_ID("uio_pdrv_genirq.1", &mstp_clks[MSTP128]), /* VEU0 */
	CLKDEV_DEV_ID("sh-mipi-dsi.0", &mstp_clks[MSTP118]), /* DSITX */
	CLKDEV_DEV_ID("sh_mobile_lcdc_fb.1", &mstp_clks[MSTP117]), /* LCDC1 */
	CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* IIC0 */
	CLKDEV_DEV_ID("uio_pdrv_genirq.5", &mstp_clks[MSTP106]), /* JPU */
	CLKDEV_DEV_ID("uio_pdrv_genirq.0", &mstp_clks[MSTP101]), /* VPU */
	CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */
	CLKDEV_DEV_ID("uio_pdrv_genirq.6", &mstp_clks[MSTP223]), /* SPU2DSP0 */
	CLKDEV_DEV_ID("uio_pdrv_genirq.7", &mstp_clks[MSTP223]), /* SPU2DSP1 */
	CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */
	CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP206]), /* SCIFB */
	CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */
	CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), /* SCIFA1 */
	CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP202]), /* SCIFA2 */
	CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP201]), /* SCIFA3 */
	CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), /* SCIFA4 */
	CLKDEV_CON_ID("cmt1", &mstp_clks[MSTP329]), /* CMT10 */
	CLKDEV_DEV_ID("sh_fsi2", &mstp_clks[MSTP328]), /* FSI2 */
	CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* IIC1 */
	CLKDEV_DEV_ID("r8a66597_hcd.0", &mstp_clks[MSTP323]), /* USB0 */
	CLKDEV_DEV_ID("r8a66597_udc.0", &mstp_clks[MSTP323]), /* USB0 */
	CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */
	CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */
	CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMC */
	CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP415]), /* SDHI2 */
	CLKDEV_DEV_ID("sh-mobile-hdmi", &mstp_clks[MSTP413]), /* HDMI */
	CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* IIC3 */
	CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* IIC4 */
	CLKDEV_DEV_ID("r8a66597_hcd.1", &mstp_clks[MSTP406]), /* USB1 */
	CLKDEV_DEV_ID("r8a66597_udc.1", &mstp_clks[MSTP406]), /* USB1 */
	CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */
	{.con_id = "ick", .dev_id = "sh-mobile-hdmi", .clk = &div6_reparent_clks[DIV6_HDMI]},
	};

	void __init sh7372_clock_init(void)
	{
	int k, ret = 0;

	for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++)
	ret = clk_register(main_clks[k]);

	if (!ret)
	ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table);

	if (!ret)
	ret = sh_clk_div6_register(div6_clks, DIV6_NR);

	if (!ret)
	ret = sh_clk_div6_reparent_register(div6_reparent_clks, DIV6_NR);

	if (!ret)
	ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);

	clkdev_add_table(lookups, ARRAY_SIZE(lookups));

	if (!ret)
	clk_init();
	else
	panic("failed to setup sh7372 clocks\n");

	}