Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit b621370a authored by Magnus Damm's avatar Magnus Damm Committed by Paul Mundt
Browse files

sh: sh7724 clock framework rewrite V3



This patch contains V3 of the sh7724 clock framework
rewrite. The new code makes use of the recently merged
div4, div6 and mstp32 helper code. Both extal and fll are
supported as input clocks to the pll. The div6 clocks are
fed through a divide-by-3 block.

Signed-off-by: default avatarMagnus Damm <damm@igel.co.jp>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent c521dc02
Loading
Loading
Loading
Loading
+1 −1
Original line number Original line Diff line number Diff line
@@ -516,7 +516,7 @@ config SH_CLK_CPG


config SH_CLK_CPG_LEGACY
config SH_CLK_CPG_LEGACY
	depends on SH_CLK_CPG
	depends on SH_CLK_CPG
	def_bool y if !CPU_SUBTYPE_SH7785 && !CPU_SUBTYPE_SH7723
	def_bool y if !CPU_SUBTYPE_SH7785 && !CPU_SUBTYPE_SH7723 && !CPU_SUBTYPE_SH7724


config SH_CLK_MD
config SH_CLK_MD
	int "CPU Mode Pin Setting"
	int "CPU Mode Pin Setting"
+1 −1
Original line number Original line Diff line number Diff line
@@ -27,7 +27,7 @@ clock-$(CONFIG_CPU_SUBTYPE_SH7786) := clock-sh7786.o
clock-$(CONFIG_CPU_SUBTYPE_SH7343)	:= clock-sh7722.o
clock-$(CONFIG_CPU_SUBTYPE_SH7343)	:= clock-sh7722.o
clock-$(CONFIG_CPU_SUBTYPE_SH7722)	:= clock-sh7722.o
clock-$(CONFIG_CPU_SUBTYPE_SH7722)	:= clock-sh7722.o
clock-$(CONFIG_CPU_SUBTYPE_SH7723)	:= clock-sh7723.o
clock-$(CONFIG_CPU_SUBTYPE_SH7723)	:= clock-sh7723.o
clock-$(CONFIG_CPU_SUBTYPE_SH7724)	:= clock-sh7722.o
clock-$(CONFIG_CPU_SUBTYPE_SH7724)	:= clock-sh7724.o
clock-$(CONFIG_CPU_SUBTYPE_SH7366)	:= clock-sh7722.o
clock-$(CONFIG_CPU_SUBTYPE_SH7366)	:= clock-sh7722.o
clock-$(CONFIG_CPU_SUBTYPE_SHX3)	:= clock-shx3.o
clock-$(CONFIG_CPU_SUBTYPE_SHX3)	:= clock-shx3.o


+5 −80
Original line number Original line Diff line number Diff line
@@ -130,11 +130,7 @@ static void adjust_clocks(int originate, int *l, unsigned long v[],
 * is quite simple..
 * is quite simple..
 */
 */


#if defined(CONFIG_CPU_SUBTYPE_SH7724)
#define STCPLL(frqcr) ((((frqcr >> 24) & 0x3f) + 1) * 2)
#else
#define STCPLL(frqcr) (((frqcr >> 24) & 0x1f) + 1)
#define STCPLL(frqcr) (((frqcr >> 24) & 0x1f) + 1)
#endif


/*
/*
 * Instead of having two separate multipliers/divisors set, like this:
 * Instead of having two separate multipliers/divisors set, like this:
@@ -145,11 +141,7 @@ static void adjust_clocks(int originate, int *l, unsigned long v[],
 * I created the divisors2 array, which is used to calculate rate like
 * I created the divisors2 array, which is used to calculate rate like
 *   rate = parent * 2 / divisors2[ divisor ];
 *   rate = parent * 2 / divisors2[ divisor ];
*/
*/
#if defined(CONFIG_CPU_SUBTYPE_SH7724)
static int divisors2[] = { 4, 1, 8, 12, 16, 24, 32, 1, 48, 64, 72, 96, 1, 144 };
#else
static int divisors2[] = { 2, 3, 4, 5, 6, 8, 10, 12, 16, 20, 24, 32, 40 };
static int divisors2[] = { 2, 3, 4, 5, 6, 8, 10, 12, 16, 20, 24, 32, 40 };
#endif


static unsigned long master_clk_recalc(struct clk *clk)
static unsigned long master_clk_recalc(struct clk *clk)
{
{
@@ -171,17 +163,10 @@ static unsigned long module_clk_recalc(struct clk *clk)
	return clk->parent->rate / STCPLL(frqcr);
	return clk->parent->rate / STCPLL(frqcr);
}
}


#if defined(CONFIG_CPU_SUBTYPE_SH7724)
#define MASTERDIVS	{ 12, 16, 24, 30, 32, 36, 48 }
#define STCMASK		0x3f
#define DIVCALC(div)	(div/2-1)
#define FRQCRKICK	0x80000000
#else
#define MASTERDIVS	{ 2, 3, 4, 6, 8, 16 }
#define MASTERDIVS	{ 2, 3, 4, 6, 8, 16 }
#define STCMASK		0x1f
#define STCMASK		0x1f
#define DIVCALC(div)	(div-1)
#define DIVCALC(div)	(div-1)
#define FRQCRKICK	0x00000000
#define FRQCRKICK	0x00000000
#endif


static int master_clk_setrate(struct clk *clk, unsigned long rate, int id)
static int master_clk_setrate(struct clk *clk, unsigned long rate, int id)
{
{
@@ -557,8 +542,7 @@ static struct clk sh7722_r_clock = {
	.rate = 32768,
	.rate = 32768,
};
};


#if !defined(CONFIG_CPU_SUBTYPE_SH7343) &&\
#if !defined(CONFIG_CPU_SUBTYPE_SH7343)
    !defined(CONFIG_CPU_SUBTYPE_SH7724)
/*
/*
 * these three clocks - SIU A, SIU B, IrDA - share the same clk_ops
 * these three clocks - SIU A, SIU B, IrDA - share the same clk_ops
 * methods of clk_ops determine which register they should access by
 * methods of clk_ops determine which register they should access by
@@ -575,10 +559,9 @@ static struct clk sh7722_siu_b_clock = {
	.arch_flags = SCLKBCR,
	.arch_flags = SCLKBCR,
	.ops = &sh7722_siu_clk_ops,
	.ops = &sh7722_siu_clk_ops,
};
};
#endif /* CONFIG_CPU_SUBTYPE_SH7343, SH7724 */
#endif /* CONFIG_CPU_SUBTYPE_SH7343 */


#if defined(CONFIG_CPU_SUBTYPE_SH7722) ||\
#if defined(CONFIG_CPU_SUBTYPE_SH7722)
    defined(CONFIG_CPU_SUBTYPE_SH7724)
static struct clk sh7722_irda_clock = {
static struct clk sh7722_irda_clock = {
	.name = "irda_clk",
	.name = "irda_clk",
	.arch_flags = IrDACLKCR,
	.arch_flags = IrDACLKCR,
@@ -676,61 +659,6 @@ static struct clk sh7722_mstpcr_clocks[] = {
	MSTPCR("vpu0", "bus_clk", 2, 1, CLK_ENABLE_ON_INIT),
	MSTPCR("vpu0", "bus_clk", 2, 1, CLK_ENABLE_ON_INIT),
	MSTPCR("lcdc0", "bus_clk", 2, 0, 0),
	MSTPCR("lcdc0", "bus_clk", 2, 0, 0),
#endif
#endif
#if defined(CONFIG_CPU_SUBTYPE_SH7724)
	/* See Datasheet : Overview -> Block Diagram */
	MSTPCR("tlb0", "cpu_clk", 0, 31, 0),
	MSTPCR("ic0", "cpu_clk", 0, 30, 0),
	MSTPCR("oc0", "cpu_clk", 0, 29, 0),
	MSTPCR("rs0", "bus_clk", 0, 28, 0),
	MSTPCR("ilmem0", "cpu_clk", 0, 27, 0),
	MSTPCR("l2c0", "sh_clk", 0, 26, 0),
	MSTPCR("fpu0", "cpu_clk", 0, 24, 0),
	MSTPCR("intc0", "peripheral_clk", 0, 22, 0),
	MSTPCR("dmac0", "bus_clk", 0, 21, 0),
	MSTPCR("sh0", "sh_clk", 0, 20, 0),
	MSTPCR("hudi0", "peripheral_clk", 0, 19, 0),
	MSTPCR("ubc0", "cpu_clk", 0, 17, 0),
	MSTPCR("tmu0", "peripheral_clk", 0, 15, 0),
	MSTPCR("cmt0", "r_clk", 0, 14, 0),
	MSTPCR("rwdt0", "r_clk", 0, 13, 0),
	MSTPCR("dmac1", "bus_clk", 0, 12, 0),
	MSTPCR("tmu1", "peripheral_clk", 0, 10, 0),
	MSTPCR("scif0", "peripheral_clk", 0, 9, 0),
	MSTPCR("scif1", "peripheral_clk", 0, 8, 0),
	MSTPCR("scif2", "peripheral_clk", 0, 7, 0),
	MSTPCR("scif3", "bus_clk", 0, 6, 0),
	MSTPCR("scif4", "bus_clk", 0, 5, 0),
	MSTPCR("scif5", "bus_clk", 0, 4, 0),
	MSTPCR("msiof0", "bus_clk", 0, 2, 0),
	MSTPCR("msiof1", "bus_clk", 0, 1, 0),
	MSTPCR("keysc0", "r_clk", 1, 12, 0),
	MSTPCR("rtc0", "r_clk", 1, 11, 0),
	MSTPCR("i2c0", "peripheral_clk", 1, 9, 0),
	MSTPCR("i2c1", "peripheral_clk", 1, 8, 0),
	MSTPCR("mmc0", "bus_clk", 2, 29, 0),
	MSTPCR("eth0", "bus_clk", 2, 28, 0),
	MSTPCR("atapi0", "bus_clk", 2, 26, 0),
	MSTPCR("tpu0", "bus_clk", 2, 25, 0),
	MSTPCR("irda0", "peripheral_clk", 2, 24, 0),
	MSTPCR("tsif0", "bus_clk", 2, 22, 0),
	MSTPCR("usb1", "bus_clk", 2, 21, 0),
	MSTPCR("usb0", "bus_clk", 2, 20, 0),
	MSTPCR("2dg0", "bus_clk", 2, 19, 0),
	MSTPCR("sdhi0", "bus_clk", 2, 18, 0),
	MSTPCR("sdhi1", "bus_clk", 2, 17, 0),
	MSTPCR("veu1", "bus_clk", 2, 15, CLK_ENABLE_ON_INIT),
	MSTPCR("ceu1", "bus_clk", 2, 13, 0),
	MSTPCR("beu1", "bus_clk", 2, 12, 0),
	MSTPCR("2ddmac0", "sh_clk", 2, 10, 0),
	MSTPCR("spu0", "bus_clk", 2, 9, 0),
	MSTPCR("jpu0", "bus_clk", 2, 6, 0),
	MSTPCR("vou0", "bus_clk", 2, 5, 0),
	MSTPCR("beu0", "bus_clk", 2, 4, 0),
	MSTPCR("ceu0", "bus_clk", 2, 3, 0),
	MSTPCR("veu0", "bus_clk", 2, 2, CLK_ENABLE_ON_INIT),
	MSTPCR("vpu0", "bus_clk", 2, 1, CLK_ENABLE_ON_INIT),
	MSTPCR("lcdc0", "bus_clk", 2, 0, 0),
#endif
#if defined(CONFIG_CPU_SUBTYPE_SH7343)
#if defined(CONFIG_CPU_SUBTYPE_SH7343)
	MSTPCR("uram0", "umem_clk", 0, 28, CLK_ENABLE_ON_INIT),
	MSTPCR("uram0", "umem_clk", 0, 28, CLK_ENABLE_ON_INIT),
	MSTPCR("xymem0", "bus_clk", 0, 26, CLK_ENABLE_ON_INIT),
	MSTPCR("xymem0", "bus_clk", 0, 26, CLK_ENABLE_ON_INIT),
@@ -802,14 +730,11 @@ static struct clk *sh7722_clocks[] = {
	&sh7722_sh_clock,
	&sh7722_sh_clock,
	&sh7722_peripheral_clock,
	&sh7722_peripheral_clock,
	&sh7722_sdram_clock,
	&sh7722_sdram_clock,
#if !defined(CONFIG_CPU_SUBTYPE_SH7343) &&\
#if !defined(CONFIG_CPU_SUBTYPE_SH7343)
    !defined(CONFIG_CPU_SUBTYPE_SH7724)
	&sh7722_siu_a_clock,
	&sh7722_siu_a_clock,
	&sh7722_siu_b_clock,
	&sh7722_siu_b_clock,
#endif
#endif
/* 7724 should support FSI clock */
#if defined(CONFIG_CPU_SUBTYPE_SH7722)
#if defined(CONFIG_CPU_SUBTYPE_SH7722) || \
    defined(CONFIG_CPU_SUBTYPE_SH7724)
	&sh7722_irda_clock,
	&sh7722_irda_clock,
#endif
#endif
	&sh7722_video_clock,
	&sh7722_video_clock,
+242 −0
Original line number Original line Diff line number Diff line
/*
 * arch/sh/kernel/cpu/sh4a/clock-sh7724.c
 *
 * SH7724 clock framework support
 *
 * Copyright (C) 2009 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 <asm/clock.h>

/* SH7724 registers */
#define FRQCRA		0xa4150000
#define FRQCRB		0xa4150004
#define VCLKCR		0xa4150048
#define FCLKACR		0xa4150008
#define FCLKBCR		0xa415000c
#define IRDACLKCR	0xa4150018
#define PLLCR		0xa4150024
#define MSTPCR0		0xa4150030
#define MSTPCR1		0xa4150034
#define MSTPCR2		0xa4150038
#define SPUCLKCR	0xa415003c
#define FLLFRQ		0xa4150050
#define LSTATS		0xa4150060

/* Fixed 32 KHz root clock for RTC and Power Management purposes */
static struct clk r_clk = {
	.name           = "rclk",
	.id             = -1,
	.rate           = 32768,
};

/*
 * Default rate for the root input clock, reset this with clk_set_rate()
 * from the platform code.
 */
struct clk extal_clk = {
	.name		= "extal",
	.id		= -1,
	.rate		= 33333333,
};

/* The fll multiplies the 32khz r_clk, may be used instead of extal */
static unsigned long fll_recalc(struct clk *clk)
{
	unsigned long mult = 0;
	unsigned long div = 1;

	if (__raw_readl(PLLCR) & 0x1000)
		mult = __raw_readl(FLLFRQ) & 0x3ff;

	if (__raw_readl(FLLFRQ) & 0x4000)
		div = 2;

	return (clk->parent->rate * mult) / div;
}

static struct clk_ops fll_clk_ops = {
	.recalc		= fll_recalc,
};

static struct clk fll_clk = {
	.name           = "fll_clk",
	.id             = -1,
	.ops		= &fll_clk_ops,
	.parent		= &r_clk,
	.flags		= CLK_ENABLE_ON_INIT,
};

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

	if (__raw_readl(PLLCR) & 0x4000)
		mult = (((__raw_readl(FRQCRA) >> 24) & 0x3f) + 1) * 2;

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

static struct clk_ops pll_clk_ops = {
	.recalc		= pll_recalc,
};

static struct clk pll_clk = {
	.name		= "pll_clk",
	.id		= -1,
	.ops		= &pll_clk_ops,
	.flags		= CLK_ENABLE_ON_INIT,
};

/* A fixed divide-by-3 block use by the div6 clocks */
static unsigned long div3_recalc(struct clk *clk)
{
	return clk->parent->rate / 3;
}

static struct clk_ops div3_clk_ops = {
	.recalc		= div3_recalc,
};

static struct clk div3_clk = {
	.name		= "div3_clk",
	.id		= -1,
	.ops		= &div3_clk_ops,
	.parent		= &pll_clk,
};

struct clk *main_clks[] = {
	&r_clk,
	&extal_clk,
	&fll_clk,
	&pll_clk,
	&div3_clk,
};

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

static struct clk_div_mult_table div4_table = {
	.divisors = divisors,
	.nr_divisors = ARRAY_SIZE(divisors),
};

enum { DIV4_I, DIV4_SH, DIV4_B, DIV4_P, DIV4_M1, DIV4_NR };

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

struct clk div4_clks[DIV4_NR] = {
	[DIV4_I] = DIV4("cpu_clk", FRQCRA, 20, 0x2f7d, CLK_ENABLE_ON_INIT),
	[DIV4_SH] = DIV4("shyway_clk", FRQCRA, 12, 0x2f7c, CLK_ENABLE_ON_INIT),
	[DIV4_B] = DIV4("bus_clk", FRQCRA, 8, 0x2f7c, CLK_ENABLE_ON_INIT),
	[DIV4_P] = DIV4("peripheral_clk", FRQCRA, 0, 0x2f7c, 0),
	[DIV4_M1] = DIV4("vpu_clk", FRQCRB, 4, 0x2f7c, 0),
};

struct clk div6_clks[] = {
	SH_CLK_DIV6("video_clk", &div3_clk, VCLKCR, 0),
	SH_CLK_DIV6("fsia_clk", &div3_clk, FCLKACR, 0),
	SH_CLK_DIV6("fsib_clk", &div3_clk, FCLKBCR, 0),
	SH_CLK_DIV6("irda_clk", &div3_clk, IRDACLKCR, 0),
	SH_CLK_DIV6("spu_clk", &div3_clk, SPUCLKCR, 0),
};

#define MSTP(_str, _parent, _reg, _bit, _force_on, _need_cpg, _need_ram) \
  SH_CLK_MSTP32(_str, -1, _parent, _reg, _bit, _force_on * CLK_ENABLE_ON_INIT)

static struct clk mstp_clks[] = {
	MSTP("tlb0", &div4_clks[DIV4_I], MSTPCR0, 31, 1, 1, 0),
	MSTP("ic0", &div4_clks[DIV4_I], MSTPCR0, 30, 1, 1, 0),
	MSTP("oc0", &div4_clks[DIV4_I], MSTPCR0, 29, 1, 1, 0),
	MSTP("rs0", &div4_clks[DIV4_B], MSTPCR0, 28, 1, 1, 0),
	MSTP("ilmem0", &div4_clks[DIV4_I], MSTPCR0, 27, 1, 1, 0),
	MSTP("l2c0", &div4_clks[DIV4_SH], MSTPCR0, 26, 1, 1, 0),
	MSTP("fpu0", &div4_clks[DIV4_I], MSTPCR0, 24, 1, 1, 0),
	MSTP("intc0", &div4_clks[DIV4_P], MSTPCR0, 22, 1, 1, 0),
	MSTP("dmac0", &div4_clks[DIV4_B], MSTPCR0, 21, 0, 1, 1),
	MSTP("sh0", &div4_clks[DIV4_SH], MSTPCR0, 20, 0, 1, 0),
	MSTP("hudi0", &div4_clks[DIV4_P], MSTPCR0, 19, 0, 1, 0),
	MSTP("ubc0", &div4_clks[DIV4_I], MSTPCR0, 17, 0, 1, 0),
	MSTP("tmu0", &div4_clks[DIV4_P], MSTPCR0, 15, 0, 1, 0),
	MSTP("cmt0", &r_clk, MSTPCR0, 14, 0, 0, 0),
	MSTP("rwdt0", &r_clk, MSTPCR0, 13, 0, 0, 0),
	MSTP("dmac1", &div4_clks[DIV4_B], MSTPCR0, 12, 0, 1, 1),
	MSTP("tmu1", &div4_clks[DIV4_P], MSTPCR0, 10, 0, 1, 0),
	MSTP("scif0", &div4_clks[DIV4_P], MSTPCR0, 9, 0, 1, 0),
	MSTP("scif1", &div4_clks[DIV4_P], MSTPCR0, 8, 0, 1, 0),
	MSTP("scif2", &div4_clks[DIV4_P], MSTPCR0, 7, 0, 1, 0),
	MSTP("scif3", &div4_clks[DIV4_B], MSTPCR0, 6, 0, 1, 0),
	MSTP("scif4", &div4_clks[DIV4_B], MSTPCR0, 5, 0, 1, 0),
	MSTP("scif5", &div4_clks[DIV4_B], MSTPCR0, 4, 0, 1, 0),
	MSTP("msiof0", &div4_clks[DIV4_B], MSTPCR0, 2, 0, 1, 0),
	MSTP("msiof1", &div4_clks[DIV4_B], MSTPCR0, 1, 0, 1, 0),

	MSTP("keysc0", &r_clk, MSTPCR1, 12, 0, 0, 0),
	MSTP("rtc0", &r_clk, MSTPCR1, 11, 0, 0, 0),
	MSTP("i2c0", &div4_clks[DIV4_P], MSTPCR1, 9, 0, 1, 0),
	MSTP("i2c1", &div4_clks[DIV4_P], MSTPCR1, 8, 0, 1, 0),

	MSTP("mmc0", &div4_clks[DIV4_B], MSTPCR2, 29, 0, 1, 0),
	MSTP("eth0", &div4_clks[DIV4_B], MSTPCR2, 28, 0, 1, 0),
	MSTP("atapi0", &div4_clks[DIV4_B], MSTPCR2, 26, 0, 1, 0),
	MSTP("tpu0", &div4_clks[DIV4_B], MSTPCR2, 25, 0, 1, 0),
	MSTP("irda0", &div4_clks[DIV4_P], MSTPCR2, 24, 0, 1, 0),
	MSTP("tsif0", &div4_clks[DIV4_B], MSTPCR2, 22, 0, 1, 0),
	MSTP("usb1", &div4_clks[DIV4_B], MSTPCR2, 21, 0, 1, 1),
	MSTP("usb0", &div4_clks[DIV4_B], MSTPCR2, 20, 0, 1, 1),
	MSTP("2dg0", &div4_clks[DIV4_B], MSTPCR2, 19, 0, 1, 1),
	MSTP("sdhi0", &div4_clks[DIV4_B], MSTPCR2, 18, 0, 1, 0),
	MSTP("sdhi1", &div4_clks[DIV4_B], MSTPCR2, 17, 0, 1, 0),
	MSTP("veu1", &div4_clks[DIV4_B], MSTPCR2, 15, 1, 1, 1),
	MSTP("ceu1", &div4_clks[DIV4_B], MSTPCR2, 13, 0, 1, 1),
	MSTP("beu1", &div4_clks[DIV4_B], MSTPCR2, 12, 0, 1, 1),
	MSTP("2ddmac0", &div4_clks[DIV4_SH], MSTPCR2, 10, 0, 1, 1),
	MSTP("spu0", &div4_clks[DIV4_B], MSTPCR2, 9, 0, 1, 0),
	MSTP("jpu0", &div4_clks[DIV4_B], MSTPCR2, 6, 1, 1, 1),
	MSTP("vou0", &div4_clks[DIV4_B], MSTPCR2, 5, 0, 1, 1),
	MSTP("beu0", &div4_clks[DIV4_B], MSTPCR2, 4, 0, 1, 1),
	MSTP("ceu0", &div4_clks[DIV4_B], MSTPCR2, 3, 0, 1, 1),
	MSTP("veu0", &div4_clks[DIV4_B], MSTPCR2, 2, 1, 1, 1),
	MSTP("vpu0", &div4_clks[DIV4_B], MSTPCR2, 1, 1, 1, 1),
	MSTP("lcdc0", &div4_clks[DIV4_B], MSTPCR2, 0, 0, 1, 1),
};

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

	/* autodetect extal or fll configuration */
	if (__raw_readl(PLLCR) & 0x1000)
		pll_clk.parent = &fll_clk;
	else
		pll_clk.parent = &extal_clk;

	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, ARRAY_SIZE(div6_clks));

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

	return ret;
}