diff options
Diffstat (limited to 'drivers/clk/mmp')
| -rw-r--r-- | drivers/clk/mmp/Makefile | 9 | ||||
| -rw-r--r-- | drivers/clk/mmp/clk-apbc.c | 152 | ||||
| -rw-r--r-- | drivers/clk/mmp/clk-apmu.c | 97 | ||||
| -rw-r--r-- | drivers/clk/mmp/clk-frac.c | 157 | ||||
| -rw-r--r-- | drivers/clk/mmp/clk-mmp2.c | 462 | ||||
| -rw-r--r-- | drivers/clk/mmp/clk-pxa168.c | 358 | ||||
| -rw-r--r-- | drivers/clk/mmp/clk-pxa910.c | 329 | ||||
| -rw-r--r-- | drivers/clk/mmp/clk.h | 35 | 
8 files changed, 1599 insertions, 0 deletions
diff --git a/drivers/clk/mmp/Makefile b/drivers/clk/mmp/Makefile new file mode 100644 index 00000000000..392d78044ce --- /dev/null +++ b/drivers/clk/mmp/Makefile @@ -0,0 +1,9 @@ +# +# Makefile for mmp specific clk +# + +obj-y += clk-apbc.o clk-apmu.o clk-frac.o + +obj-$(CONFIG_CPU_PXA168) += clk-pxa168.o +obj-$(CONFIG_CPU_PXA910) += clk-pxa910.o +obj-$(CONFIG_CPU_MMP2) += clk-mmp2.o diff --git a/drivers/clk/mmp/clk-apbc.c b/drivers/clk/mmp/clk-apbc.c new file mode 100644 index 00000000000..d14120eaa71 --- /dev/null +++ b/drivers/clk/mmp/clk-apbc.c @@ -0,0 +1,152 @@ +/* + * mmp APB clock operation source file + * + * Copyright (C) 2012 Marvell + * Chao Xie <xiechao.mail@gmail.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/kernel.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/err.h> +#include <linux/delay.h> +#include <linux/slab.h> + +#include "clk.h" + +/* Common APB clock register bit definitions */ +#define APBC_APBCLK	(1 << 0)  /* APB Bus Clock Enable */ +#define APBC_FNCLK	(1 << 1)  /* Functional Clock Enable */ +#define APBC_RST	(1 << 2)  /* Reset Generation */ +#define APBC_POWER	(1 << 7)  /* Reset Generation */ + +#define to_clk_apbc(hw) container_of(hw, struct clk_apbc, hw) +struct clk_apbc { +	struct clk_hw		hw; +	void __iomem		*base; +	unsigned int		delay; +	unsigned int		flags; +	spinlock_t		*lock; +}; + +static int clk_apbc_prepare(struct clk_hw *hw) +{ +	struct clk_apbc *apbc = to_clk_apbc(hw); +	unsigned int data; +	unsigned long flags = 0; + +	/* +	 * It may share same register as MUX clock, +	 * and it will impact FNCLK enable. Spinlock is needed +	 */ +	if (apbc->lock) +		spin_lock_irqsave(apbc->lock, flags); + +	data = readl_relaxed(apbc->base); +	if (apbc->flags & APBC_POWER_CTRL) +		data |= APBC_POWER; +	data |= APBC_FNCLK; +	writel_relaxed(data, apbc->base); + +	if (apbc->lock) +		spin_unlock_irqrestore(apbc->lock, flags); + +	udelay(apbc->delay); + +	if (apbc->lock) +		spin_lock_irqsave(apbc->lock, flags); + +	data = readl_relaxed(apbc->base); +	data |= APBC_APBCLK; +	writel_relaxed(data, apbc->base); + +	if (apbc->lock) +		spin_unlock_irqrestore(apbc->lock, flags); + +	udelay(apbc->delay); + +	if (!(apbc->flags & APBC_NO_BUS_CTRL)) { +		if (apbc->lock) +			spin_lock_irqsave(apbc->lock, flags); + +		data = readl_relaxed(apbc->base); +		data &= ~APBC_RST; +		writel_relaxed(data, apbc->base); + +		if (apbc->lock) +			spin_unlock_irqrestore(apbc->lock, flags); +	} + +	return 0; +} + +static void clk_apbc_unprepare(struct clk_hw *hw) +{ +	struct clk_apbc *apbc = to_clk_apbc(hw); +	unsigned long data; +	unsigned long flags = 0; + +	if (apbc->lock) +		spin_lock_irqsave(apbc->lock, flags); + +	data = readl_relaxed(apbc->base); +	if (apbc->flags & APBC_POWER_CTRL) +		data &= ~APBC_POWER; +	data &= ~APBC_FNCLK; +	writel_relaxed(data, apbc->base); + +	if (apbc->lock) +		spin_unlock_irqrestore(apbc->lock, flags); + +	udelay(10); + +	if (apbc->lock) +		spin_lock_irqsave(apbc->lock, flags); + +	data = readl_relaxed(apbc->base); +	data &= ~APBC_APBCLK; +	writel_relaxed(data, apbc->base); + +	if (apbc->lock) +		spin_unlock_irqrestore(apbc->lock, flags); +} + +struct clk_ops clk_apbc_ops = { +	.prepare = clk_apbc_prepare, +	.unprepare = clk_apbc_unprepare, +}; + +struct clk *mmp_clk_register_apbc(const char *name, const char *parent_name, +		void __iomem *base, unsigned int delay, +		unsigned int apbc_flags, spinlock_t *lock) +{ +	struct clk_apbc *apbc; +	struct clk *clk; +	struct clk_init_data init; + +	apbc = kzalloc(sizeof(*apbc), GFP_KERNEL); +	if (!apbc) +		return NULL; + +	init.name = name; +	init.ops = &clk_apbc_ops; +	init.flags = CLK_SET_RATE_PARENT; +	init.parent_names = (parent_name ? &parent_name : NULL); +	init.num_parents = (parent_name ? 1 : 0); + +	apbc->base = base; +	apbc->delay = delay; +	apbc->flags = apbc_flags; +	apbc->lock = lock; +	apbc->hw.init = &init; + +	clk = clk_register(NULL, &apbc->hw); +	if (IS_ERR(clk)) +		kfree(apbc); + +	return clk; +} diff --git a/drivers/clk/mmp/clk-apmu.c b/drivers/clk/mmp/clk-apmu.c new file mode 100644 index 00000000000..abe182b2377 --- /dev/null +++ b/drivers/clk/mmp/clk-apmu.c @@ -0,0 +1,97 @@ +/* + * mmp AXI peripharal clock operation source file + * + * Copyright (C) 2012 Marvell + * Chao Xie <xiechao.mail@gmail.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/kernel.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/err.h> +#include <linux/delay.h> +#include <linux/slab.h> + +#include "clk.h" + +#define to_clk_apmu(clk) (container_of(clk, struct clk_apmu, clk)) +struct clk_apmu { +	struct clk_hw   hw; +	void __iomem    *base; +	u32		rst_mask; +	u32		enable_mask; +	spinlock_t	*lock; +}; + +static int clk_apmu_enable(struct clk_hw *hw) +{ +	struct clk_apmu *apmu = to_clk_apmu(hw); +	unsigned long data; +	unsigned long flags = 0; + +	if (apmu->lock) +		spin_lock_irqsave(apmu->lock, flags); + +	data = readl_relaxed(apmu->base) | apmu->enable_mask; +	writel_relaxed(data, apmu->base); + +	if (apmu->lock) +		spin_unlock_irqrestore(apmu->lock, flags); + +	return 0; +} + +static void clk_apmu_disable(struct clk_hw *hw) +{ +	struct clk_apmu *apmu = to_clk_apmu(hw); +	unsigned long data; +	unsigned long flags = 0; + +	if (apmu->lock) +		spin_lock_irqsave(apmu->lock, flags); + +	data = readl_relaxed(apmu->base) & ~apmu->enable_mask; +	writel_relaxed(data, apmu->base); + +	if (apmu->lock) +		spin_unlock_irqrestore(apmu->lock, flags); +} + +struct clk_ops clk_apmu_ops = { +	.enable = clk_apmu_enable, +	.disable = clk_apmu_disable, +}; + +struct clk *mmp_clk_register_apmu(const char *name, const char *parent_name, +		void __iomem *base, u32 enable_mask, spinlock_t *lock) +{ +	struct clk_apmu *apmu; +	struct clk *clk; +	struct clk_init_data init; + +	apmu = kzalloc(sizeof(*apmu), GFP_KERNEL); +	if (!apmu) +		return NULL; + +	init.name = name; +	init.ops = &clk_apmu_ops; +	init.flags = CLK_SET_RATE_PARENT; +	init.parent_names = (parent_name ? &parent_name : NULL); +	init.num_parents = (parent_name ? 1 : 0); + +	apmu->base = base; +	apmu->enable_mask = enable_mask; +	apmu->lock = lock; +	apmu->hw.init = &init; + +	clk = clk_register(NULL, &apmu->hw); + +	if (IS_ERR(clk)) +		kfree(apmu); + +	return clk; +} diff --git a/drivers/clk/mmp/clk-frac.c b/drivers/clk/mmp/clk-frac.c new file mode 100644 index 00000000000..23a56f56181 --- /dev/null +++ b/drivers/clk/mmp/clk-frac.c @@ -0,0 +1,157 @@ +/* + * mmp factor clock operation source file + * + * Copyright (C) 2012 Marvell + * Chao Xie <xiechao.mail@gmail.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/clk-provider.h> +#include <linux/slab.h> +#include <linux/io.h> +#include <linux/err.h> + +#include "clk.h" +/* + * It is M/N clock + * + * Fout from synthesizer can be given from two equations: + * numerator/denominator = Fin / (Fout * factor) + */ + +#define to_clk_factor(hw) container_of(hw, struct clk_factor, hw) +struct clk_factor { +	struct clk_hw		hw; +	void __iomem		*base; +	struct clk_factor_masks	*masks; +	struct clk_factor_tbl	*ftbl; +	unsigned int		ftbl_cnt; +}; + +static long clk_factor_round_rate(struct clk_hw *hw, unsigned long drate, +		unsigned long *prate) +{ +	struct clk_factor *factor = to_clk_factor(hw); +	unsigned long rate = 0, prev_rate; +	int i; + +	for (i = 0; i < factor->ftbl_cnt; i++) { +		prev_rate = rate; +		rate = (((*prate / 10000) * factor->ftbl[i].den) / +			(factor->ftbl[i].num * factor->masks->factor)) * 10000; +		if (rate > drate) +			break; +	} +	if ((i == 0) || (i == factor->ftbl_cnt)) { +		return rate; +	} else { +		if ((drate - prev_rate) > (rate - drate)) +			return rate; +		else +			return prev_rate; +	} +} + +static unsigned long clk_factor_recalc_rate(struct clk_hw *hw, +		unsigned long parent_rate) +{ +	struct clk_factor *factor = to_clk_factor(hw); +	struct clk_factor_masks *masks = factor->masks; +	unsigned int val, num, den; + +	val = readl_relaxed(factor->base); + +	/* calculate numerator */ +	num = (val >> masks->num_shift) & masks->num_mask; + +	/* calculate denominator */ +	den = (val >> masks->den_shift) & masks->den_mask; + +	if (!den) +		return 0; + +	return (((parent_rate / 10000)  * den) / +			(num * factor->masks->factor)) * 10000; +} + +/* Configures new clock rate*/ +static int clk_factor_set_rate(struct clk_hw *hw, unsigned long drate, +				unsigned long prate) +{ +	struct clk_factor *factor = to_clk_factor(hw); +	struct clk_factor_masks *masks = factor->masks; +	int i; +	unsigned long val; +	unsigned long prev_rate, rate = 0; + +	for (i = 0; i < factor->ftbl_cnt; i++) { +		prev_rate = rate; +		rate = (((prate / 10000) * factor->ftbl[i].den) / +			(factor->ftbl[i].num * factor->masks->factor)) * 10000; +		if (rate > drate) +			break; +	} +	if (i > 0) +		i--; + +	val = readl_relaxed(factor->base); + +	val &= ~(masks->num_mask << masks->num_shift); +	val |= (factor->ftbl[i].num & masks->num_mask) << masks->num_shift; + +	val &= ~(masks->den_mask << masks->den_shift); +	val |= (factor->ftbl[i].den & masks->den_mask) << masks->den_shift; + +	writel_relaxed(val, factor->base); + +	return 0; +} + +static struct clk_ops clk_factor_ops = { +	.recalc_rate = clk_factor_recalc_rate, +	.round_rate = clk_factor_round_rate, +	.set_rate = clk_factor_set_rate, +}; + +struct clk *mmp_clk_register_factor(const char *name, const char *parent_name, +		unsigned long flags, void __iomem *base, +		struct clk_factor_masks *masks, struct clk_factor_tbl *ftbl, +		unsigned int ftbl_cnt) +{ +	struct clk_factor *factor; +	struct clk_init_data init; +	struct clk *clk; + +	if (!masks) { +		pr_err("%s: must pass a clk_factor_mask\n", __func__); +		return ERR_PTR(-EINVAL); +	} + +	factor = kzalloc(sizeof(*factor), GFP_KERNEL); +	if (!factor) { +		pr_err("%s: could not allocate factor  clk\n", __func__); +		return ERR_PTR(-ENOMEM); +	} + +	/* struct clk_aux assignments */ +	factor->base = base; +	factor->masks = masks; +	factor->ftbl = ftbl; +	factor->ftbl_cnt = ftbl_cnt; +	factor->hw.init = &init; + +	init.name = name; +	init.ops = &clk_factor_ops; +	init.flags = flags; +	init.parent_names = &parent_name; +	init.num_parents = 1; + +	clk = clk_register(NULL, &factor->hw); +	if (IS_ERR_OR_NULL(clk)) +		kfree(factor); + +	return clk; +} diff --git a/drivers/clk/mmp/clk-mmp2.c b/drivers/clk/mmp/clk-mmp2.c new file mode 100644 index 00000000000..b2721cae257 --- /dev/null +++ b/drivers/clk/mmp/clk-mmp2.c @@ -0,0 +1,462 @@ +/* + * mmp2 clock framework source file + * + * Copyright (C) 2012 Marvell + * Chao Xie <xiechao.mail@gmail.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/spinlock.h> +#include <linux/io.h> +#include <linux/delay.h> +#include <linux/err.h> + +#include <mach/addr-map.h> + +#include "clk.h" + +#define APBC_RTC	0x0 +#define APBC_TWSI0	0x4 +#define APBC_TWSI1	0x8 +#define APBC_TWSI2	0xc +#define APBC_TWSI3	0x10 +#define APBC_TWSI4	0x7c +#define APBC_TWSI5	0x80 +#define APBC_KPC	0x18 +#define APBC_UART0	0x2c +#define APBC_UART1	0x30 +#define APBC_UART2	0x34 +#define APBC_UART3	0x88 +#define APBC_GPIO	0x38 +#define APBC_PWM0	0x3c +#define APBC_PWM1	0x40 +#define APBC_PWM2	0x44 +#define APBC_PWM3	0x48 +#define APBC_SSP0	0x50 +#define APBC_SSP1	0x54 +#define APBC_SSP2	0x58 +#define APBC_SSP3	0x5c +#define APMU_SDH0	0x54 +#define APMU_SDH1	0x58 +#define APMU_SDH2	0xe8 +#define APMU_SDH3	0xec +#define APMU_USB	0x5c +#define APMU_DISP0	0x4c +#define APMU_DISP1	0x110 +#define APMU_CCIC0	0x50 +#define APMU_CCIC1	0xf4 +#define MPMU_UART_PLL	0x14 + +static DEFINE_SPINLOCK(clk_lock); + +static struct clk_factor_masks uart_factor_masks = { +	.factor = 2, +	.num_mask = 0x1fff, +	.den_mask = 0x1fff, +	.num_shift = 16, +	.den_shift = 0, +}; + +static struct clk_factor_tbl uart_factor_tbl[] = { +	{.num = 14634, .den = 2165},	/*14.745MHZ */ +	{.num = 3521, .den = 689},	/*19.23MHZ */ +	{.num = 9679, .den = 5728},	/*58.9824MHZ */ +	{.num = 15850, .den = 9451},	/*59.429MHZ */ +}; + +static const char *uart_parent[] = {"uart_pll", "vctcxo"}; +static const char *ssp_parent[] = {"vctcxo_4", "vctcxo_2", "vctcxo", "pll1_16"}; +static const char *sdh_parent[] = {"pll1_4", "pll2", "usb_pll", "pll1"}; +static const char *disp_parent[] = {"pll1", "pll1_16", "pll2", "vctcxo"}; +static const char *ccic_parent[] = {"pll1_2", "pll1_16", "vctcxo"}; + +void __init mmp2_clk_init(void) +{ +	struct clk *clk; +	struct clk *vctcxo; +	void __iomem *mpmu_base; +	void __iomem *apmu_base; +	void __iomem *apbc_base; + +	mpmu_base = ioremap(APB_PHYS_BASE + 0x50000, SZ_4K); +	if (mpmu_base == NULL) { +		pr_err("error to ioremap MPMU base\n"); +		return; +	} + +	apmu_base = ioremap(AXI_PHYS_BASE + 0x82800, SZ_4K); +	if (apmu_base == NULL) { +		pr_err("error to ioremap APMU base\n"); +		return; +	} + +	apbc_base = ioremap(APB_PHYS_BASE + 0x15000, SZ_4K); +	if (apbc_base == NULL) { +		pr_err("error to ioremap APBC base\n"); +		return; +	} + +	clk = clk_register_fixed_rate(NULL, "clk32", NULL, CLK_IS_ROOT, 3200); +	clk_register_clkdev(clk, "clk32", NULL); + +	vctcxo = clk_register_fixed_rate(NULL, "vctcxo", NULL, CLK_IS_ROOT, +				26000000); +	clk_register_clkdev(vctcxo, "vctcxo", NULL); + +	clk = clk_register_fixed_rate(NULL, "pll1", NULL, CLK_IS_ROOT, +				800000000); +	clk_register_clkdev(clk, "pll1", NULL); + +	clk = clk_register_fixed_rate(NULL, "usb_pll", NULL, CLK_IS_ROOT, +				480000000); +	clk_register_clkdev(clk, "usb_pll", NULL); + +	clk = clk_register_fixed_rate(NULL, "pll2", NULL, CLK_IS_ROOT, +				960000000); +	clk_register_clkdev(clk, "pll2", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_2", "pll1", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll1_2", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_4", "pll1_2", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll1_4", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_8", "pll1_4", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll1_8", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_16", "pll1_8", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll1_16", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_20", "pll1_4", +				CLK_SET_RATE_PARENT, 1, 5); +	clk_register_clkdev(clk, "pll1_20", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_3", "pll1", +				CLK_SET_RATE_PARENT, 1, 3); +	clk_register_clkdev(clk, "pll1_3", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_6", "pll1_3", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll1_6", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_12", "pll1_6", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll1_12", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll2_2", "pll2", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll2_2", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll2_4", "pll2_2", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll2_4", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll2_8", "pll2_4", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll2_8", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll2_16", "pll2_8", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll2_16", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll2_3", "pll2", +				CLK_SET_RATE_PARENT, 1, 3); +	clk_register_clkdev(clk, "pll2_3", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll2_6", "pll2_3", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll2_6", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll2_12", "pll2_6", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll2_12", NULL); + +	clk = clk_register_fixed_factor(NULL, "vctcxo_2", "vctcxo", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "vctcxo_2", NULL); + +	clk = clk_register_fixed_factor(NULL, "vctcxo_4", "vctcxo_2", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "vctcxo_4", NULL); + +	clk = mmp_clk_register_factor("uart_pll", "pll1_4", 0, +				mpmu_base + MPMU_UART_PLL, +				&uart_factor_masks, uart_factor_tbl, +				ARRAY_SIZE(uart_factor_tbl)); +	clk_set_rate(clk, 14745600); +	clk_register_clkdev(clk, "uart_pll", NULL); + +	clk = mmp_clk_register_apbc("twsi0", "vctcxo", +				apbc_base + APBC_TWSI0, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa2xx-i2c.0"); + +	clk = mmp_clk_register_apbc("twsi1", "vctcxo", +				apbc_base + APBC_TWSI1, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa2xx-i2c.1"); + +	clk = mmp_clk_register_apbc("twsi2", "vctcxo", +				apbc_base + APBC_TWSI2, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa2xx-i2c.2"); + +	clk = mmp_clk_register_apbc("twsi3", "vctcxo", +				apbc_base + APBC_TWSI3, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa2xx-i2c.3"); + +	clk = mmp_clk_register_apbc("twsi4", "vctcxo", +				apbc_base + APBC_TWSI4, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa2xx-i2c.4"); + +	clk = mmp_clk_register_apbc("twsi5", "vctcxo", +				apbc_base + APBC_TWSI5, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa2xx-i2c.5"); + +	clk = mmp_clk_register_apbc("gpio", "vctcxo", +				apbc_base + APBC_GPIO, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "mmp2-gpio"); + +	clk = mmp_clk_register_apbc("kpc", "clk32", +				apbc_base + APBC_KPC, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa27x-keypad"); + +	clk = mmp_clk_register_apbc("rtc", "clk32", +				apbc_base + APBC_RTC, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "mmp-rtc"); + +	clk = mmp_clk_register_apbc("pwm0", "vctcxo", +				apbc_base + APBC_PWM0, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "mmp2-pwm.0"); + +	clk = mmp_clk_register_apbc("pwm1", "vctcxo", +				apbc_base + APBC_PWM1, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "mmp2-pwm.1"); + +	clk = mmp_clk_register_apbc("pwm2", "vctcxo", +				apbc_base + APBC_PWM2, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "mmp2-pwm.2"); + +	clk = mmp_clk_register_apbc("pwm3", "vctcxo", +				apbc_base + APBC_PWM3, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "mmp2-pwm.3"); + +	clk = clk_register_mux(NULL, "uart0_mux", uart_parent, +				ARRAY_SIZE(uart_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apbc_base + APBC_UART0, 4, 3, 0, &clk_lock); +	clk_set_parent(clk, vctcxo); +	clk_register_clkdev(clk, "uart_mux.0", NULL); + +	clk = mmp_clk_register_apbc("uart0", "uart0_mux", +				apbc_base + APBC_UART0, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa2xx-uart.0"); + +	clk = clk_register_mux(NULL, "uart1_mux", uart_parent, +				ARRAY_SIZE(uart_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apbc_base + APBC_UART1, 4, 3, 0, &clk_lock); +	clk_set_parent(clk, vctcxo); +	clk_register_clkdev(clk, "uart_mux.1", NULL); + +	clk = mmp_clk_register_apbc("uart1", "uart1_mux", +				apbc_base + APBC_UART1, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa2xx-uart.1"); + +	clk = clk_register_mux(NULL, "uart2_mux", uart_parent, +				ARRAY_SIZE(uart_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apbc_base + APBC_UART2, 4, 3, 0, &clk_lock); +	clk_set_parent(clk, vctcxo); +	clk_register_clkdev(clk, "uart_mux.2", NULL); + +	clk = mmp_clk_register_apbc("uart2", "uart2_mux", +				apbc_base + APBC_UART2, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa2xx-uart.2"); + +	clk = clk_register_mux(NULL, "uart3_mux", uart_parent, +				ARRAY_SIZE(uart_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apbc_base + APBC_UART3, 4, 3, 0, &clk_lock); +	clk_set_parent(clk, vctcxo); +	clk_register_clkdev(clk, "uart_mux.3", NULL); + +	clk = mmp_clk_register_apbc("uart3", "uart3_mux", +				apbc_base + APBC_UART3, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa2xx-uart.3"); + +	clk = clk_register_mux(NULL, "ssp0_mux", ssp_parent, +				ARRAY_SIZE(ssp_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apbc_base + APBC_SSP0, 4, 3, 0, &clk_lock); +	clk_register_clkdev(clk, "uart_mux.0", NULL); + +	clk = mmp_clk_register_apbc("ssp0", "ssp0_mux", +				apbc_base + APBC_SSP0, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "mmp-ssp.0"); + +	clk = clk_register_mux(NULL, "ssp1_mux", ssp_parent, +				ARRAY_SIZE(ssp_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apbc_base + APBC_SSP1, 4, 3, 0, &clk_lock); +	clk_register_clkdev(clk, "ssp_mux.1", NULL); + +	clk = mmp_clk_register_apbc("ssp1", "ssp1_mux", +				apbc_base + APBC_SSP1, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "mmp-ssp.1"); + +	clk = clk_register_mux(NULL, "ssp2_mux", ssp_parent, +				ARRAY_SIZE(ssp_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apbc_base + APBC_SSP2, 4, 3, 0, &clk_lock); +	clk_register_clkdev(clk, "ssp_mux.2", NULL); + +	clk = mmp_clk_register_apbc("ssp2", "ssp2_mux", +				apbc_base + APBC_SSP2, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "mmp-ssp.2"); + +	clk = clk_register_mux(NULL, "ssp3_mux", ssp_parent, +				ARRAY_SIZE(ssp_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apbc_base + APBC_SSP3, 4, 3, 0, &clk_lock); +	clk_register_clkdev(clk, "ssp_mux.3", NULL); + +	clk = mmp_clk_register_apbc("ssp3", "ssp3_mux", +				apbc_base + APBC_SSP3, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "mmp-ssp.3"); + +	clk = clk_register_mux(NULL, "sdh_mux", sdh_parent, +				ARRAY_SIZE(sdh_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apmu_base + APMU_SDH0, 8, 2, 0, &clk_lock); +	clk_register_clkdev(clk, "sdh_mux", NULL); + +	clk = clk_register_divider(NULL, "sdh_div", "sdh_mux", +				CLK_SET_RATE_PARENT, apmu_base + APMU_SDH0, +				10, 4, CLK_DIVIDER_ONE_BASED, &clk_lock); +	clk_register_clkdev(clk, "sdh_div", NULL); + +	clk = mmp_clk_register_apmu("sdh0", "sdh_div", apmu_base + APMU_SDH0, +				0x1b, &clk_lock); +	clk_register_clkdev(clk, NULL, "sdhci-pxav3.0"); + +	clk = mmp_clk_register_apmu("sdh1", "sdh_div", apmu_base + APMU_SDH1, +				0x1b, &clk_lock); +	clk_register_clkdev(clk, NULL, "sdhci-pxav3.1"); + +	clk = mmp_clk_register_apmu("sdh2", "sdh_div", apmu_base + APMU_SDH2, +				0x1b, &clk_lock); +	clk_register_clkdev(clk, NULL, "sdhci-pxav3.2"); + +	clk = mmp_clk_register_apmu("sdh3", "sdh_div", apmu_base + APMU_SDH3, +				0x1b, &clk_lock); +	clk_register_clkdev(clk, NULL, "sdhci-pxav3.3"); + +	clk = mmp_clk_register_apmu("usb", "usb_pll", apmu_base + APMU_USB, +				0x9, &clk_lock); +	clk_register_clkdev(clk, "usb_clk", NULL); + +	clk = clk_register_mux(NULL, "disp0_mux", disp_parent, +				ARRAY_SIZE(disp_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apmu_base + APMU_DISP0, 6, 2, 0, &clk_lock); +	clk_register_clkdev(clk, "disp_mux.0", NULL); + +	clk = clk_register_divider(NULL, "disp0_div", "disp0_mux", +				CLK_SET_RATE_PARENT, apmu_base + APMU_DISP0, +				8, 4, CLK_DIVIDER_ONE_BASED, &clk_lock); +	clk_register_clkdev(clk, "disp_div.0", NULL); + +	clk = mmp_clk_register_apmu("disp0", "disp0_div", +				apmu_base + APMU_DISP0, 0x1b, &clk_lock); +	clk_register_clkdev(clk, NULL, "mmp-disp.0"); + +	clk = clk_register_divider(NULL, "disp0_sphy_div", "disp0_mux", 0, +				apmu_base + APMU_DISP0, 15, 5, 0, &clk_lock); +	clk_register_clkdev(clk, "disp_sphy_div.0", NULL); + +	clk = mmp_clk_register_apmu("disp0_sphy", "disp0_sphy_div", +				apmu_base + APMU_DISP0, 0x1024, &clk_lock); +	clk_register_clkdev(clk, "disp_sphy.0", NULL); + +	clk = clk_register_mux(NULL, "disp1_mux", disp_parent, +				ARRAY_SIZE(disp_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apmu_base + APMU_DISP1, 6, 2, 0, &clk_lock); +	clk_register_clkdev(clk, "disp_mux.1", NULL); + +	clk = clk_register_divider(NULL, "disp1_div", "disp1_mux", +				CLK_SET_RATE_PARENT, apmu_base + APMU_DISP1, +				8, 4, CLK_DIVIDER_ONE_BASED, &clk_lock); +	clk_register_clkdev(clk, "disp_div.1", NULL); + +	clk = mmp_clk_register_apmu("disp1", "disp1_div", +				apmu_base + APMU_DISP1, 0x1b, &clk_lock); +	clk_register_clkdev(clk, NULL, "mmp-disp.1"); + +	clk = mmp_clk_register_apmu("ccic_arbiter", "vctcxo", +				apmu_base + APMU_CCIC0, 0x1800, &clk_lock); +	clk_register_clkdev(clk, "ccic_arbiter", NULL); + +	clk = clk_register_mux(NULL, "ccic0_mux", ccic_parent, +				ARRAY_SIZE(ccic_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apmu_base + APMU_CCIC0, 6, 2, 0, &clk_lock); +	clk_register_clkdev(clk, "ccic_mux.0", NULL); + +	clk = clk_register_divider(NULL, "ccic0_div", "ccic0_mux", +				CLK_SET_RATE_PARENT, apmu_base + APMU_CCIC0, +				17, 4, CLK_DIVIDER_ONE_BASED, &clk_lock); +	clk_register_clkdev(clk, "ccic_div.0", NULL); + +	clk = mmp_clk_register_apmu("ccic0", "ccic0_div", +				apmu_base + APMU_CCIC0, 0x1b, &clk_lock); +	clk_register_clkdev(clk, "fnclk", "mmp-ccic.0"); + +	clk = mmp_clk_register_apmu("ccic0_phy", "ccic0_div", +				apmu_base + APMU_CCIC0, 0x24, &clk_lock); +	clk_register_clkdev(clk, "phyclk", "mmp-ccic.0"); + +	clk = clk_register_divider(NULL, "ccic0_sphy_div", "ccic0_div", +				CLK_SET_RATE_PARENT, apmu_base + APMU_CCIC0, +				10, 5, 0, &clk_lock); +	clk_register_clkdev(clk, "sphyclk_div", "mmp-ccic.0"); + +	clk = mmp_clk_register_apmu("ccic0_sphy", "ccic0_sphy_div", +				apmu_base + APMU_CCIC0, 0x300, &clk_lock); +	clk_register_clkdev(clk, "sphyclk", "mmp-ccic.0"); + +	clk = clk_register_mux(NULL, "ccic1_mux", ccic_parent, +				ARRAY_SIZE(ccic_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apmu_base + APMU_CCIC1, 6, 2, 0, &clk_lock); +	clk_register_clkdev(clk, "ccic_mux.1", NULL); + +	clk = clk_register_divider(NULL, "ccic1_div", "ccic1_mux", +				CLK_SET_RATE_PARENT, apmu_base + APMU_CCIC1, +				16, 4, CLK_DIVIDER_ONE_BASED, &clk_lock); +	clk_register_clkdev(clk, "ccic_div.1", NULL); + +	clk = mmp_clk_register_apmu("ccic1", "ccic1_div", +				apmu_base + APMU_CCIC1, 0x1b, &clk_lock); +	clk_register_clkdev(clk, "fnclk", "mmp-ccic.1"); + +	clk = mmp_clk_register_apmu("ccic1_phy", "ccic1_div", +				apmu_base + APMU_CCIC1, 0x24, &clk_lock); +	clk_register_clkdev(clk, "phyclk", "mmp-ccic.1"); + +	clk = clk_register_divider(NULL, "ccic1_sphy_div", "ccic1_div", +				CLK_SET_RATE_PARENT, apmu_base + APMU_CCIC1, +				10, 5, 0, &clk_lock); +	clk_register_clkdev(clk, "sphyclk_div", "mmp-ccic.1"); + +	clk = mmp_clk_register_apmu("ccic1_sphy", "ccic1_sphy_div", +				apmu_base + APMU_CCIC1, 0x300, &clk_lock); +	clk_register_clkdev(clk, "sphyclk", "mmp-ccic.1"); +} diff --git a/drivers/clk/mmp/clk-pxa168.c b/drivers/clk/mmp/clk-pxa168.c new file mode 100644 index 00000000000..014396b028a --- /dev/null +++ b/drivers/clk/mmp/clk-pxa168.c @@ -0,0 +1,358 @@ +/* + * pxa168 clock framework source file + * + * Copyright (C) 2012 Marvell + * Chao Xie <xiechao.mail@gmail.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/spinlock.h> +#include <linux/io.h> +#include <linux/delay.h> +#include <linux/err.h> + +#include <mach/addr-map.h> + +#include "clk.h" + +#define APBC_RTC	0x28 +#define APBC_TWSI0	0x2c +#define APBC_KPC	0x30 +#define APBC_UART0	0x0 +#define APBC_UART1	0x4 +#define APBC_GPIO	0x8 +#define APBC_PWM0	0xc +#define APBC_PWM1	0x10 +#define APBC_PWM2	0x14 +#define APBC_PWM3	0x18 +#define APBC_SSP0	0x81c +#define APBC_SSP1	0x820 +#define APBC_SSP2	0x84c +#define APBC_SSP3	0x858 +#define APBC_SSP4	0x85c +#define APBC_TWSI1	0x6c +#define APBC_UART2	0x70 +#define APMU_SDH0	0x54 +#define APMU_SDH1	0x58 +#define APMU_USB	0x5c +#define APMU_DISP0	0x4c +#define APMU_CCIC0	0x50 +#define APMU_DFC	0x60 +#define MPMU_UART_PLL	0x14 + +static DEFINE_SPINLOCK(clk_lock); + +static struct clk_factor_masks uart_factor_masks = { +	.factor = 2, +	.num_mask = 0x1fff, +	.den_mask = 0x1fff, +	.num_shift = 16, +	.den_shift = 0, +}; + +static struct clk_factor_tbl uart_factor_tbl[] = { +	{.num = 8125, .den = 1536},	/*14.745MHZ */ +}; + +static const char *uart_parent[] = {"pll1_3_16", "uart_pll"}; +static const char *ssp_parent[] = {"pll1_96", "pll1_48", "pll1_24", "pll1_12"}; +static const char *sdh_parent[] = {"pll1_12", "pll1_13"}; +static const char *disp_parent[] = {"pll1_2", "pll1_12"}; +static const char *ccic_parent[] = {"pll1_2", "pll1_12"}; +static const char *ccic_phy_parent[] = {"pll1_6", "pll1_12"}; + +void __init pxa168_clk_init(void) +{ +	struct clk *clk; +	struct clk *uart_pll; +	void __iomem *mpmu_base; +	void __iomem *apmu_base; +	void __iomem *apbc_base; + +	mpmu_base = ioremap(APB_PHYS_BASE + 0x50000, SZ_4K); +	if (mpmu_base == NULL) { +		pr_err("error to ioremap MPMU base\n"); +		return; +	} + +	apmu_base = ioremap(AXI_PHYS_BASE + 0x82800, SZ_4K); +	if (apmu_base == NULL) { +		pr_err("error to ioremap APMU base\n"); +		return; +	} + +	apbc_base = ioremap(APB_PHYS_BASE + 0x15000, SZ_4K); +	if (apbc_base == NULL) { +		pr_err("error to ioremap APBC base\n"); +		return; +	} + +	clk = clk_register_fixed_rate(NULL, "clk32", NULL, CLK_IS_ROOT, 3200); +	clk_register_clkdev(clk, "clk32", NULL); + +	clk = clk_register_fixed_rate(NULL, "vctcxo", NULL, CLK_IS_ROOT, +				26000000); +	clk_register_clkdev(clk, "vctcxo", NULL); + +	clk = clk_register_fixed_rate(NULL, "pll1", NULL, CLK_IS_ROOT, +				624000000); +	clk_register_clkdev(clk, "pll1", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_2", "pll1", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll1_2", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_4", "pll1_2", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll1_4", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_8", "pll1_4", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll1_8", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_16", "pll1_8", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll1_16", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_6", "pll1_2", +				CLK_SET_RATE_PARENT, 1, 3); +	clk_register_clkdev(clk, "pll1_6", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_12", "pll1_6", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll1_12", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_24", "pll1_12", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll1_24", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_48", "pll1_24", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll1_48", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_96", "pll1_48", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll1_96", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_13", "pll1", +				CLK_SET_RATE_PARENT, 1, 13); +	clk_register_clkdev(clk, "pll1_13", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_13_1_5", "pll1", +				CLK_SET_RATE_PARENT, 2, 3); +	clk_register_clkdev(clk, "pll1_13_1_5", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_2_1_5", "pll1", +				CLK_SET_RATE_PARENT, 2, 3); +	clk_register_clkdev(clk, "pll1_2_1_5", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_3_16", "pll1", +				CLK_SET_RATE_PARENT, 3, 16); +	clk_register_clkdev(clk, "pll1_3_16", NULL); + +	uart_pll = mmp_clk_register_factor("uart_pll", "pll1_4", 0, +				mpmu_base + MPMU_UART_PLL, +				&uart_factor_masks, uart_factor_tbl, +				ARRAY_SIZE(uart_factor_tbl)); +	clk_set_rate(uart_pll, 14745600); +	clk_register_clkdev(uart_pll, "uart_pll", NULL); + +	clk = mmp_clk_register_apbc("twsi0", "pll1_13_1_5", +				apbc_base + APBC_TWSI0, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa2xx-i2c.0"); + +	clk = mmp_clk_register_apbc("twsi1", "pll1_13_1_5", +				apbc_base + APBC_TWSI1, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa2xx-i2c.1"); + +	clk = mmp_clk_register_apbc("gpio", "vctcxo", +				apbc_base + APBC_GPIO, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "mmp-gpio"); + +	clk = mmp_clk_register_apbc("kpc", "clk32", +				apbc_base + APBC_KPC, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa27x-keypad"); + +	clk = mmp_clk_register_apbc("rtc", "clk32", +				apbc_base + APBC_RTC, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "sa1100-rtc"); + +	clk = mmp_clk_register_apbc("pwm0", "pll1_48", +				apbc_base + APBC_PWM0, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa168-pwm.0"); + +	clk = mmp_clk_register_apbc("pwm1", "pll1_48", +				apbc_base + APBC_PWM1, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa168-pwm.1"); + +	clk = mmp_clk_register_apbc("pwm2", "pll1_48", +				apbc_base + APBC_PWM2, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa168-pwm.2"); + +	clk = mmp_clk_register_apbc("pwm3", "pll1_48", +				apbc_base + APBC_PWM3, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa168-pwm.3"); + +	clk = clk_register_mux(NULL, "uart0_mux", uart_parent, +				ARRAY_SIZE(uart_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apbc_base + APBC_UART0, 4, 3, 0, &clk_lock); +	clk_set_parent(clk, uart_pll); +	clk_register_clkdev(clk, "uart_mux.0", NULL); + +	clk = mmp_clk_register_apbc("uart0", "uart0_mux", +				apbc_base + APBC_UART0, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa2xx-uart.0"); + +	clk = clk_register_mux(NULL, "uart1_mux", uart_parent, +				ARRAY_SIZE(uart_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apbc_base + APBC_UART1, 4, 3, 0, &clk_lock); +	clk_set_parent(clk, uart_pll); +	clk_register_clkdev(clk, "uart_mux.1", NULL); + +	clk = mmp_clk_register_apbc("uart1", "uart1_mux", +				apbc_base + APBC_UART1,	10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa2xx-uart.1"); + +	clk = clk_register_mux(NULL, "uart2_mux", uart_parent, +				ARRAY_SIZE(uart_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apbc_base + APBC_UART2, 4, 3, 0, &clk_lock); +	clk_set_parent(clk, uart_pll); +	clk_register_clkdev(clk, "uart_mux.2", NULL); + +	clk = mmp_clk_register_apbc("uart2", "uart2_mux", +				apbc_base + APBC_UART2,	10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa2xx-uart.2"); + +	clk = clk_register_mux(NULL, "ssp0_mux", ssp_parent, +				ARRAY_SIZE(ssp_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apbc_base + APBC_SSP0, 4, 3, 0, &clk_lock); +	clk_register_clkdev(clk, "uart_mux.0", NULL); + +	clk = mmp_clk_register_apbc("ssp0", "ssp0_mux", apbc_base + APBC_SSP0, +				10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "mmp-ssp.0"); + +	clk = clk_register_mux(NULL, "ssp1_mux", ssp_parent, +				ARRAY_SIZE(ssp_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apbc_base + APBC_SSP1, 4, 3, 0, &clk_lock); +	clk_register_clkdev(clk, "ssp_mux.1", NULL); + +	clk = mmp_clk_register_apbc("ssp1", "ssp1_mux", apbc_base + APBC_SSP1, +				10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "mmp-ssp.1"); + +	clk = clk_register_mux(NULL, "ssp2_mux", ssp_parent, +				ARRAY_SIZE(ssp_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apbc_base + APBC_SSP2, 4, 3, 0, &clk_lock); +	clk_register_clkdev(clk, "ssp_mux.2", NULL); + +	clk = mmp_clk_register_apbc("ssp2", "ssp1_mux", apbc_base + APBC_SSP2, +				10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "mmp-ssp.2"); + +	clk = clk_register_mux(NULL, "ssp3_mux", ssp_parent, +				ARRAY_SIZE(ssp_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apbc_base + APBC_SSP3, 4, 3, 0, &clk_lock); +	clk_register_clkdev(clk, "ssp_mux.3", NULL); + +	clk = mmp_clk_register_apbc("ssp3", "ssp1_mux", apbc_base + APBC_SSP3, +				10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "mmp-ssp.3"); + +	clk = clk_register_mux(NULL, "ssp4_mux", ssp_parent, +				ARRAY_SIZE(ssp_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apbc_base + APBC_SSP4, 4, 3, 0, &clk_lock); +	clk_register_clkdev(clk, "ssp_mux.4", NULL); + +	clk = mmp_clk_register_apbc("ssp4", "ssp1_mux", apbc_base + APBC_SSP4, +				10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "mmp-ssp.4"); + +	clk = mmp_clk_register_apmu("dfc", "pll1_4", apmu_base + APMU_DFC, +				0x19b, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa3xx-nand.0"); + +	clk = clk_register_mux(NULL, "sdh0_mux", sdh_parent, +				ARRAY_SIZE(sdh_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apmu_base + APMU_SDH0, 6, 1, 0, &clk_lock); +	clk_register_clkdev(clk, "sdh0_mux", NULL); + +	clk = mmp_clk_register_apmu("sdh0", "sdh_mux", apmu_base + APMU_SDH0, +				0x1b, &clk_lock); +	clk_register_clkdev(clk, NULL, "sdhci-pxa.0"); + +	clk = clk_register_mux(NULL, "sdh1_mux", sdh_parent, +				ARRAY_SIZE(sdh_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apmu_base + APMU_SDH1, 6, 1, 0, &clk_lock); +	clk_register_clkdev(clk, "sdh1_mux", NULL); + +	clk = mmp_clk_register_apmu("sdh1", "sdh1_mux", apmu_base + APMU_SDH1, +				0x1b, &clk_lock); +	clk_register_clkdev(clk, NULL, "sdhci-pxa.1"); + +	clk = mmp_clk_register_apmu("usb", "usb_pll", apmu_base + APMU_USB, +				0x9, &clk_lock); +	clk_register_clkdev(clk, "usb_clk", NULL); + +	clk = mmp_clk_register_apmu("sph", "usb_pll", apmu_base + APMU_USB, +				0x12, &clk_lock); +	clk_register_clkdev(clk, "sph_clk", NULL); + +	clk = clk_register_mux(NULL, "disp0_mux", disp_parent, +				ARRAY_SIZE(disp_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apmu_base + APMU_DISP0, 6, 1, 0, &clk_lock); +	clk_register_clkdev(clk, "disp_mux.0", NULL); + +	clk = mmp_clk_register_apmu("disp0", "disp0_mux", +				apmu_base + APMU_DISP0, 0x1b, &clk_lock); +	clk_register_clkdev(clk, "fnclk", "mmp-disp.0"); + +	clk = mmp_clk_register_apmu("disp0_hclk", "disp0_mux", +				apmu_base + APMU_DISP0, 0x24, &clk_lock); +	clk_register_clkdev(clk, "hclk", "mmp-disp.0"); + +	clk = clk_register_mux(NULL, "ccic0_mux", ccic_parent, +				ARRAY_SIZE(ccic_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apmu_base + APMU_CCIC0, 6, 1, 0, &clk_lock); +	clk_register_clkdev(clk, "ccic_mux.0", NULL); + +	clk = mmp_clk_register_apmu("ccic0", "ccic0_mux", +				apmu_base + APMU_CCIC0, 0x1b, &clk_lock); +	clk_register_clkdev(clk, "fnclk", "mmp-ccic.0"); + +	clk = clk_register_mux(NULL, "ccic0_phy_mux", ccic_phy_parent, +				ARRAY_SIZE(ccic_phy_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apmu_base + APMU_CCIC0, 7, 1, 0, &clk_lock); +	clk_register_clkdev(clk, "ccic_phy_mux.0", NULL); + +	clk = mmp_clk_register_apmu("ccic0_phy", "ccic0_phy_mux", +				apmu_base + APMU_CCIC0, 0x24, &clk_lock); +	clk_register_clkdev(clk, "phyclk", "mmp-ccic.0"); + +	clk = clk_register_divider(NULL, "ccic0_sphy_div", "ccic0_mux", +				CLK_SET_RATE_PARENT, apmu_base + APMU_CCIC0, +				10, 5, 0, &clk_lock); +	clk_register_clkdev(clk, "sphyclk_div", NULL); + +	clk = mmp_clk_register_apmu("ccic0_sphy", "ccic0_sphy_div", +				apmu_base + APMU_CCIC0, 0x300, &clk_lock); +	clk_register_clkdev(clk, "sphyclk", "mmp-ccic.0"); +} diff --git a/drivers/clk/mmp/clk-pxa910.c b/drivers/clk/mmp/clk-pxa910.c new file mode 100644 index 00000000000..9efc6a47535 --- /dev/null +++ b/drivers/clk/mmp/clk-pxa910.c @@ -0,0 +1,329 @@ +/* + * pxa910 clock framework source file + * + * Copyright (C) 2012 Marvell + * Chao Xie <xiechao.mail@gmail.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/spinlock.h> +#include <linux/io.h> +#include <linux/delay.h> +#include <linux/err.h> + +#include <mach/addr-map.h> + +#include "clk.h" + +#define APBC_RTC	0x28 +#define APBC_TWSI0	0x2c +#define APBC_KPC	0x18 +#define APBC_UART0	0x0 +#define APBC_UART1	0x4 +#define APBC_GPIO	0x8 +#define APBC_PWM0	0xc +#define APBC_PWM1	0x10 +#define APBC_PWM2	0x14 +#define APBC_PWM3	0x18 +#define APBC_SSP0	0x1c +#define APBC_SSP1	0x20 +#define APBC_SSP2	0x4c +#define APBCP_TWSI1	0x28 +#define APBCP_UART2	0x1c +#define APMU_SDH0	0x54 +#define APMU_SDH1	0x58 +#define APMU_USB	0x5c +#define APMU_DISP0	0x4c +#define APMU_CCIC0	0x50 +#define APMU_DFC	0x60 +#define MPMU_UART_PLL	0x14 + +static DEFINE_SPINLOCK(clk_lock); + +static struct clk_factor_masks uart_factor_masks = { +	.factor = 2, +	.num_mask = 0x1fff, +	.den_mask = 0x1fff, +	.num_shift = 16, +	.den_shift = 0, +}; + +static struct clk_factor_tbl uart_factor_tbl[] = { +	{.num = 8125, .den = 1536},	/*14.745MHZ */ +}; + +static const char *uart_parent[] = {"pll1_3_16", "uart_pll"}; +static const char *ssp_parent[] = {"pll1_96", "pll1_48", "pll1_24", "pll1_12"}; +static const char *sdh_parent[] = {"pll1_12", "pll1_13"}; +static const char *disp_parent[] = {"pll1_2", "pll1_12"}; +static const char *ccic_parent[] = {"pll1_2", "pll1_12"}; +static const char *ccic_phy_parent[] = {"pll1_6", "pll1_12"}; + +void __init pxa910_clk_init(void) +{ +	struct clk *clk; +	struct clk *uart_pll; +	void __iomem *mpmu_base; +	void __iomem *apmu_base; +	void __iomem *apbcp_base; +	void __iomem *apbc_base; + +	mpmu_base = ioremap(APB_PHYS_BASE + 0x50000, SZ_4K); +	if (mpmu_base == NULL) { +		pr_err("error to ioremap MPMU base\n"); +		return; +	} + +	apmu_base = ioremap(AXI_PHYS_BASE + 0x82800, SZ_4K); +	if (apmu_base == NULL) { +		pr_err("error to ioremap APMU base\n"); +		return; +	} + +	apbcp_base = ioremap(APB_PHYS_BASE + 0x3b000, SZ_4K); +	if (apbcp_base == NULL) { +		pr_err("error to ioremap APBC extension base\n"); +		return; +	} + +	apbc_base = ioremap(APB_PHYS_BASE + 0x15000, SZ_4K); +	if (apbc_base == NULL) { +		pr_err("error to ioremap APBC base\n"); +		return; +	} + +	clk = clk_register_fixed_rate(NULL, "clk32", NULL, CLK_IS_ROOT, 3200); +	clk_register_clkdev(clk, "clk32", NULL); + +	clk = clk_register_fixed_rate(NULL, "vctcxo", NULL, CLK_IS_ROOT, +				26000000); +	clk_register_clkdev(clk, "vctcxo", NULL); + +	clk = clk_register_fixed_rate(NULL, "pll1", NULL, CLK_IS_ROOT, +				624000000); +	clk_register_clkdev(clk, "pll1", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_2", "pll1", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll1_2", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_4", "pll1_2", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll1_4", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_8", "pll1_4", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll1_8", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_16", "pll1_8", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll1_16", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_6", "pll1_2", +				CLK_SET_RATE_PARENT, 1, 3); +	clk_register_clkdev(clk, "pll1_6", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_12", "pll1_6", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll1_12", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_24", "pll1_12", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll1_24", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_48", "pll1_24", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll1_48", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_96", "pll1_48", +				CLK_SET_RATE_PARENT, 1, 2); +	clk_register_clkdev(clk, "pll1_96", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_13", "pll1", +				CLK_SET_RATE_PARENT, 1, 13); +	clk_register_clkdev(clk, "pll1_13", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_13_1_5", "pll1", +				CLK_SET_RATE_PARENT, 2, 3); +	clk_register_clkdev(clk, "pll1_13_1_5", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_2_1_5", "pll1", +				CLK_SET_RATE_PARENT, 2, 3); +	clk_register_clkdev(clk, "pll1_2_1_5", NULL); + +	clk = clk_register_fixed_factor(NULL, "pll1_3_16", "pll1", +				CLK_SET_RATE_PARENT, 3, 16); +	clk_register_clkdev(clk, "pll1_3_16", NULL); + +	uart_pll =  mmp_clk_register_factor("uart_pll", "pll1_4", 0, +				mpmu_base + MPMU_UART_PLL, +				&uart_factor_masks, uart_factor_tbl, +				ARRAY_SIZE(uart_factor_tbl)); +	clk_set_rate(uart_pll, 14745600); +	clk_register_clkdev(uart_pll, "uart_pll", NULL); + +	clk = mmp_clk_register_apbc("twsi0", "pll1_13_1_5", +				apbc_base + APBC_TWSI0, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa2xx-i2c.0"); + +	clk = mmp_clk_register_apbc("twsi1", "pll1_13_1_5", +				apbcp_base + APBCP_TWSI1, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa2xx-i2c.1"); + +	clk = mmp_clk_register_apbc("gpio", "vctcxo", +				apbc_base + APBC_GPIO, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "mmp-gpio"); + +	clk = mmp_clk_register_apbc("kpc", "clk32", +				apbc_base + APBC_KPC, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa27x-keypad"); + +	clk = mmp_clk_register_apbc("rtc", "clk32", +				apbc_base + APBC_RTC, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "sa1100-rtc"); + +	clk = mmp_clk_register_apbc("pwm0", "pll1_48", +				apbc_base + APBC_PWM0, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa910-pwm.0"); + +	clk = mmp_clk_register_apbc("pwm1", "pll1_48", +				apbc_base + APBC_PWM1, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa910-pwm.1"); + +	clk = mmp_clk_register_apbc("pwm2", "pll1_48", +				apbc_base + APBC_PWM2, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa910-pwm.2"); + +	clk = mmp_clk_register_apbc("pwm3", "pll1_48", +				apbc_base + APBC_PWM3, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa910-pwm.3"); + +	clk = clk_register_mux(NULL, "uart0_mux", uart_parent, +				ARRAY_SIZE(uart_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apbc_base + APBC_UART0, 4, 3, 0, &clk_lock); +	clk_set_parent(clk, uart_pll); +	clk_register_clkdev(clk, "uart_mux.0", NULL); + +	clk = mmp_clk_register_apbc("uart0", "uart0_mux", +				apbc_base + APBC_UART0, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa2xx-uart.0"); + +	clk = clk_register_mux(NULL, "uart1_mux", uart_parent, +				ARRAY_SIZE(uart_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apbc_base + APBC_UART1, 4, 3, 0, &clk_lock); +	clk_set_parent(clk, uart_pll); +	clk_register_clkdev(clk, "uart_mux.1", NULL); + +	clk = mmp_clk_register_apbc("uart1", "uart1_mux", +				apbc_base + APBC_UART1, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa2xx-uart.1"); + +	clk = clk_register_mux(NULL, "uart2_mux", uart_parent, +				ARRAY_SIZE(uart_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apbcp_base + APBCP_UART2, 4, 3, 0, &clk_lock); +	clk_set_parent(clk, uart_pll); +	clk_register_clkdev(clk, "uart_mux.2", NULL); + +	clk = mmp_clk_register_apbc("uart2", "uart2_mux", +				apbcp_base + APBCP_UART2, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa2xx-uart.2"); + +	clk = clk_register_mux(NULL, "ssp0_mux", ssp_parent, +				ARRAY_SIZE(ssp_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apbc_base + APBC_SSP0, 4, 3, 0, &clk_lock); +	clk_register_clkdev(clk, "uart_mux.0", NULL); + +	clk = mmp_clk_register_apbc("ssp0", "ssp0_mux", +				apbc_base + APBC_SSP0, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "mmp-ssp.0"); + +	clk = clk_register_mux(NULL, "ssp1_mux", ssp_parent, +				ARRAY_SIZE(ssp_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apbc_base + APBC_SSP1, 4, 3, 0, &clk_lock); +	clk_register_clkdev(clk, "ssp_mux.1", NULL); + +	clk = mmp_clk_register_apbc("ssp1", "ssp1_mux", +				apbc_base + APBC_SSP1, 10, 0, &clk_lock); +	clk_register_clkdev(clk, NULL, "mmp-ssp.1"); + +	clk = mmp_clk_register_apmu("dfc", "pll1_4", +				apmu_base + APMU_DFC, 0x19b, &clk_lock); +	clk_register_clkdev(clk, NULL, "pxa3xx-nand.0"); + +	clk = clk_register_mux(NULL, "sdh0_mux", sdh_parent, +				ARRAY_SIZE(sdh_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apmu_base + APMU_SDH0, 6, 1, 0, &clk_lock); +	clk_register_clkdev(clk, "sdh0_mux", NULL); + +	clk = mmp_clk_register_apmu("sdh0", "sdh_mux", +				apmu_base + APMU_SDH0, 0x1b, &clk_lock); +	clk_register_clkdev(clk, NULL, "sdhci-pxa.0"); + +	clk = clk_register_mux(NULL, "sdh1_mux", sdh_parent, +				ARRAY_SIZE(sdh_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apmu_base + APMU_SDH1, 6, 1, 0, &clk_lock); +	clk_register_clkdev(clk, "sdh1_mux", NULL); + +	clk = mmp_clk_register_apmu("sdh1", "sdh1_mux", +				apmu_base + APMU_SDH1, 0x1b, &clk_lock); +	clk_register_clkdev(clk, NULL, "sdhci-pxa.1"); + +	clk = mmp_clk_register_apmu("usb", "usb_pll", +				apmu_base + APMU_USB, 0x9, &clk_lock); +	clk_register_clkdev(clk, "usb_clk", NULL); + +	clk = mmp_clk_register_apmu("sph", "usb_pll", +				apmu_base + APMU_USB, 0x12, &clk_lock); +	clk_register_clkdev(clk, "sph_clk", NULL); + +	clk = clk_register_mux(NULL, "disp0_mux", disp_parent, +				ARRAY_SIZE(disp_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apmu_base + APMU_DISP0, 6, 1, 0, &clk_lock); +	clk_register_clkdev(clk, "disp_mux.0", NULL); + +	clk = mmp_clk_register_apmu("disp0", "disp0_mux", +				apmu_base + APMU_DISP0, 0x1b, &clk_lock); +	clk_register_clkdev(clk, NULL, "mmp-disp.0"); + +	clk = clk_register_mux(NULL, "ccic0_mux", ccic_parent, +				ARRAY_SIZE(ccic_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apmu_base + APMU_CCIC0, 6, 1, 0, &clk_lock); +	clk_register_clkdev(clk, "ccic_mux.0", NULL); + +	clk = mmp_clk_register_apmu("ccic0", "ccic0_mux", +				apmu_base + APMU_CCIC0, 0x1b, &clk_lock); +	clk_register_clkdev(clk, "fnclk", "mmp-ccic.0"); + +	clk = clk_register_mux(NULL, "ccic0_phy_mux", ccic_phy_parent, +				ARRAY_SIZE(ccic_phy_parent), +				CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, +				apmu_base + APMU_CCIC0, 7, 1, 0, &clk_lock); +	clk_register_clkdev(clk, "ccic_phy_mux.0", NULL); + +	clk = mmp_clk_register_apmu("ccic0_phy", "ccic0_phy_mux", +				apmu_base + APMU_CCIC0, 0x24, &clk_lock); +	clk_register_clkdev(clk, "phyclk", "mmp-ccic.0"); + +	clk = clk_register_divider(NULL, "ccic0_sphy_div", "ccic0_mux", +				CLK_SET_RATE_PARENT, apmu_base + APMU_CCIC0, +				10, 5, 0, &clk_lock); +	clk_register_clkdev(clk, "sphyclk_div", NULL); + +	clk = mmp_clk_register_apmu("ccic0_sphy", "ccic0_sphy_div", +				apmu_base + APMU_CCIC0, 0x300, &clk_lock); +	clk_register_clkdev(clk, "sphyclk", "mmp-ccic.0"); +} diff --git a/drivers/clk/mmp/clk.h b/drivers/clk/mmp/clk.h new file mode 100644 index 00000000000..ab86dd4a416 --- /dev/null +++ b/drivers/clk/mmp/clk.h @@ -0,0 +1,35 @@ +#ifndef __MACH_MMP_CLK_H +#define __MACH_MMP_CLK_H + +#include <linux/clk-provider.h> +#include <linux/clkdev.h> + +#define APBC_NO_BUS_CTRL	BIT(0) +#define APBC_POWER_CTRL		BIT(1) + +struct clk_factor_masks { +	unsigned int	factor; +	unsigned int	num_mask; +	unsigned int	den_mask; +	unsigned int	num_shift; +	unsigned int	den_shift; +}; + +struct clk_factor_tbl { +	unsigned int num; +	unsigned int den; +}; + +extern struct clk *mmp_clk_register_pll2(const char *name, +		const char *parent_name, unsigned long flags); +extern struct clk *mmp_clk_register_apbc(const char *name, +		const char *parent_name, void __iomem *base, +		unsigned int delay, unsigned int apbc_flags, spinlock_t *lock); +extern struct clk *mmp_clk_register_apmu(const char *name, +		const char *parent_name, void __iomem *base, u32 enable_mask, +		spinlock_t *lock); +extern struct clk *mmp_clk_register_factor(const char *name, +		const char *parent_name, unsigned long flags, +		void __iomem *base, struct clk_factor_masks *masks, +		struct clk_factor_tbl *ftbl, unsigned int ftbl_cnt); +#endif  | 
