[linux-2.6-block.git] / drivers / clk / ux500 / clk-prcmu.c

/*
 * PRCMU clock implementation for ux500 platform.
 *
 * Copyright (C) 2012 ST-Ericsson SA
 * Author: Ulf Hansson <ulf.hansson@linaro.org>
 *
 * License terms: GNU General Public License (GPL) version 2
 */

#include <linux/clk-provider.h>
#include <linux/mfd/dbx500-prcmu.h>
#include <linux/slab.h>
#include <linux/io.h>
#include <linux/err.h>
#include "clk.h"

#define to_clk_prcmu(_hw) container_of(_hw, struct clk_prcmu, hw)

struct clk_prcmu {
	struct clk_hw hw;
	u8 cg_sel;
	int is_prepared;
	int is_enabled;
	int opp_requested;
};

/* PRCMU clock operations. */

static int clk_prcmu_prepare(struct clk_hw *hw)
{
	int ret;
	struct clk_prcmu *clk = to_clk_prcmu(hw);

	ret = prcmu_request_clock(clk->cg_sel, true);
	if (!ret)
		clk->is_prepared = 1;

	return ret;
}

static void clk_prcmu_unprepare(struct clk_hw *hw)
{
	struct clk_prcmu *clk = to_clk_prcmu(hw);
	if (prcmu_request_clock(clk->cg_sel, false))
		pr_err("clk_prcmu: %s failed to disable %s.\n", __func__,
			clk_hw_get_name(hw));
	else
		clk->is_prepared = 0;
}

static int clk_prcmu_is_prepared(struct clk_hw *hw)
{
	struct clk_prcmu *clk = to_clk_prcmu(hw);
	return clk->is_prepared;
}

static int clk_prcmu_enable(struct clk_hw *hw)
{
	struct clk_prcmu *clk = to_clk_prcmu(hw);
	clk->is_enabled = 1;
	return 0;
}

static void clk_prcmu_disable(struct clk_hw *hw)
{
	struct clk_prcmu *clk = to_clk_prcmu(hw);
	clk->is_enabled = 0;
}

static int clk_prcmu_is_enabled(struct clk_hw *hw)
{
	struct clk_prcmu *clk = to_clk_prcmu(hw);
	return clk->is_enabled;
}

static unsigned long clk_prcmu_recalc_rate(struct clk_hw *hw,
					   unsigned long parent_rate)
{
	struct clk_prcmu *clk = to_clk_prcmu(hw);
	return prcmu_clock_rate(clk->cg_sel);
}

static long clk_prcmu_round_rate(struct clk_hw *hw, unsigned long rate,
				 unsigned long *parent_rate)
{
	struct clk_prcmu *clk = to_clk_prcmu(hw);
	return prcmu_round_clock_rate(clk->cg_sel, rate);
}

static int clk_prcmu_set_rate(struct clk_hw *hw, unsigned long rate,
			      unsigned long parent_rate)
{
	struct clk_prcmu *clk = to_clk_prcmu(hw);
	return prcmu_set_clock_rate(clk->cg_sel, rate);
}

static int clk_prcmu_opp_prepare(struct clk_hw *hw)
{
	int err;
	struct clk_prcmu *clk = to_clk_prcmu(hw);

	if (!clk->opp_requested) {
		err = prcmu_qos_add_requirement(PRCMU_QOS_APE_OPP,
						(char *)clk_hw_get_name(hw),
						100);
		if (err) {
			pr_err("clk_prcmu: %s fail req APE OPP for %s.\n",
				__func__, clk_hw_get_name(hw));
			return err;
		}
		clk->opp_requested = 1;
	}

	err = prcmu_request_clock(clk->cg_sel, true);
	if (err) {
		prcmu_qos_remove_requirement(PRCMU_QOS_APE_OPP,
					(char *)clk_hw_get_name(hw));
		clk->opp_requested = 0;
		return err;
	}

	clk->is_prepared = 1;
	return 0;
}

static void clk_prcmu_opp_unprepare(struct clk_hw *hw)
{
	struct clk_prcmu *clk = to_clk_prcmu(hw);

	if (prcmu_request_clock(clk->cg_sel, false)) {
		pr_err("clk_prcmu: %s failed to disable %s.\n", __func__,
			clk_hw_get_name(hw));
		return;
	}

	if (clk->opp_requested) {
		prcmu_qos_remove_requirement(PRCMU_QOS_APE_OPP,
					(char *)clk_hw_get_name(hw));
		clk->opp_requested = 0;
	}

	clk->is_prepared = 0;
}

static int clk_prcmu_opp_volt_prepare(struct clk_hw *hw)
{
	int err;
	struct clk_prcmu *clk = to_clk_prcmu(hw);

	if (!clk->opp_requested) {
		err = prcmu_request_ape_opp_100_voltage(true);
		if (err) {
			pr_err("clk_prcmu: %s fail req APE OPP VOLT for %s.\n",
				__func__, clk_hw_get_name(hw));
			return err;
		}
		clk->opp_requested = 1;
	}

	err = prcmu_request_clock(clk->cg_sel, true);
	if (err) {
		prcmu_request_ape_opp_100_voltage(false);
		clk->opp_requested = 0;
		return err;
	}

	clk->is_prepared = 1;
	return 0;
}

static void clk_prcmu_opp_volt_unprepare(struct clk_hw *hw)
{
	struct clk_prcmu *clk = to_clk_prcmu(hw);

	if (prcmu_request_clock(clk->cg_sel, false)) {
		pr_err("clk_prcmu: %s failed to disable %s.\n", __func__,
			clk_hw_get_name(hw));
		return;
	}

	if (clk->opp_requested) {
		prcmu_request_ape_opp_100_voltage(false);
		clk->opp_requested = 0;
	}

	clk->is_prepared = 0;
}

static const struct clk_ops clk_prcmu_scalable_ops = {
	.prepare = clk_prcmu_prepare,
	.unprepare = clk_prcmu_unprepare,
	.is_prepared = clk_prcmu_is_prepared,
	.enable = clk_prcmu_enable,
	.disable = clk_prcmu_disable,
	.is_enabled = clk_prcmu_is_enabled,
	.recalc_rate = clk_prcmu_recalc_rate,
	.round_rate = clk_prcmu_round_rate,
	.set_rate = clk_prcmu_set_rate,
};

static const struct clk_ops clk_prcmu_gate_ops = {
	.prepare = clk_prcmu_prepare,
	.unprepare = clk_prcmu_unprepare,
	.is_prepared = clk_prcmu_is_prepared,
	.enable = clk_prcmu_enable,
	.disable = clk_prcmu_disable,
	.is_enabled = clk_prcmu_is_enabled,
	.recalc_rate = clk_prcmu_recalc_rate,
};

static const struct clk_ops clk_prcmu_scalable_rate_ops = {
	.is_enabled = clk_prcmu_is_enabled,
	.recalc_rate = clk_prcmu_recalc_rate,
	.round_rate = clk_prcmu_round_rate,
	.set_rate = clk_prcmu_set_rate,
};

static const struct clk_ops clk_prcmu_rate_ops = {
	.is_enabled = clk_prcmu_is_enabled,
	.recalc_rate = clk_prcmu_recalc_rate,
};

static const struct clk_ops clk_prcmu_opp_gate_ops = {
	.prepare = clk_prcmu_opp_prepare,
	.unprepare = clk_prcmu_opp_unprepare,
	.is_prepared = clk_prcmu_is_prepared,
	.enable = clk_prcmu_enable,
	.disable = clk_prcmu_disable,
	.is_enabled = clk_prcmu_is_enabled,
	.recalc_rate = clk_prcmu_recalc_rate,
};

static const struct clk_ops clk_prcmu_opp_volt_scalable_ops = {
	.prepare = clk_prcmu_opp_volt_prepare,
	.unprepare = clk_prcmu_opp_volt_unprepare,
	.is_prepared = clk_prcmu_is_prepared,
	.enable = clk_prcmu_enable,
	.disable = clk_prcmu_disable,
	.is_enabled = clk_prcmu_is_enabled,
	.recalc_rate = clk_prcmu_recalc_rate,
	.round_rate = clk_prcmu_round_rate,
	.set_rate = clk_prcmu_set_rate,
};

static struct clk *clk_reg_prcmu(const char *name,
				 const char *parent_name,
				 u8 cg_sel,
				 unsigned long rate,
				 unsigned long flags,
				 const struct clk_ops *clk_prcmu_ops)
{
	struct clk_prcmu *clk;
	struct clk_init_data clk_prcmu_init;
	struct clk *clk_reg;

	if (!name) {
		pr_err("clk_prcmu: %s invalid arguments passed\n", __func__);
		return ERR_PTR(-EINVAL);
	}

	clk = kzalloc(sizeof(*clk), GFP_KERNEL);
	if (!clk)
		return ERR_PTR(-ENOMEM);

	clk->cg_sel = cg_sel;
	clk->is_prepared = 1;
	clk->is_enabled = 1;
	clk->opp_requested = 0;
	/* "rate" can be used for changing the initial frequency */
	if (rate)
		prcmu_set_clock_rate(cg_sel, rate);

	clk_prcmu_init.name = name;
	clk_prcmu_init.ops = clk_prcmu_ops;
	clk_prcmu_init.flags = flags;
	clk_prcmu_init.parent_names = (parent_name ? &parent_name : NULL);
	clk_prcmu_init.num_parents = (parent_name ? 1 : 0);
	clk->hw.init = &clk_prcmu_init;

	clk_reg = clk_register(NULL, &clk->hw);
	if (IS_ERR_OR_NULL(clk_reg))
		goto free_clk;

	return clk_reg;

free_clk:
	kfree(clk);
	pr_err("clk_prcmu: %s failed to register clk\n", __func__);
	return ERR_PTR(-ENOMEM);
}

struct clk *clk_reg_prcmu_scalable(const char *name,
				   const char *parent_name,
				   u8 cg_sel,
				   unsigned long rate,
				   unsigned long flags)
{
	return clk_reg_prcmu(name, parent_name, cg_sel, rate, flags,
			&clk_prcmu_scalable_ops);
}

struct clk *clk_reg_prcmu_gate(const char *name,
			       const char *parent_name,
			       u8 cg_sel,
			       unsigned long flags)
{
	return clk_reg_prcmu(name, parent_name, cg_sel, 0, flags,
			&clk_prcmu_gate_ops);
}

struct clk *clk_reg_prcmu_scalable_rate(const char *name,
					const char *parent_name,
					u8 cg_sel,
					unsigned long rate,
					unsigned long flags)
{
	return clk_reg_prcmu(name, parent_name, cg_sel, rate, flags,
			&clk_prcmu_scalable_rate_ops);
}

struct clk *clk_reg_prcmu_rate(const char *name,
			       const char *parent_name,
			       u8 cg_sel,
			       unsigned long flags)
{
	return clk_reg_prcmu(name, parent_name, cg_sel, 0, flags,
			&clk_prcmu_rate_ops);
}

struct clk *clk_reg_prcmu_opp_gate(const char *name,
				   const char *parent_name,
				   u8 cg_sel,
				   unsigned long flags)
{
	return clk_reg_prcmu(name, parent_name, cg_sel, 0, flags,
			&clk_prcmu_opp_gate_ops);
}

struct clk *clk_reg_prcmu_opp_volt_scalable(const char *name,
					    const char *parent_name,
					    u8 cg_sel,
					    unsigned long rate,
					    unsigned long flags)
{
	return clk_reg_prcmu(name, parent_name, cg_sel, rate, flags,
			&clk_prcmu_opp_volt_scalable_ops);
}
Commit	Line	Data
3b01f87b UH	1	/*
	2	* PRCMU clock implementation for ux500 platform.
	3	*
	4	* Copyright (C) 2012 ST-Ericsson SA
	5	* Author: Ulf Hansson <ulf.hansson@linaro.org>
	6	*
	7	* License terms: GNU General Public License (GPL) version 2
	8	*/
	9
	10	#include <linux/clk-provider.h>
3b01f87b UH	11	#include <linux/mfd/dbx500-prcmu.h>
	12	#include <linux/slab.h>
	13	#include <linux/io.h>
	14	#include <linux/err.h>
	15	#include "clk.h"
	16
	17	#define to_clk_prcmu(_hw) container_of(_hw, struct clk_prcmu, hw)
	18
	19	struct clk_prcmu {
	20	struct clk_hw hw;
	21	u8 cg_sel;
2850985f	22	int is_prepared;
3b01f87b	23	int is_enabled;
2850985f	24	int opp_requested;
3b01f87b UH	25	};
	26
	27	/* PRCMU clock operations. */
	28
	29	static int clk_prcmu_prepare(struct clk_hw *hw)
	30	{
2850985f	31	int ret;
3b01f87b	32	struct clk_prcmu *clk = to_clk_prcmu(hw);
2850985f UH	33
	34	ret = prcmu_request_clock(clk->cg_sel, true);
	35	if (!ret)
	36	clk->is_prepared = 1;
	37
24c039f6	38	return ret;
3b01f87b UH	39	}
	40
	41	static void clk_prcmu_unprepare(struct clk_hw *hw)
	42	{
	43	struct clk_prcmu *clk = to_clk_prcmu(hw);
	44	if (prcmu_request_clock(clk->cg_sel, false))
	45	pr_err("clk_prcmu: %s failed to disable %s.\n", __func__,
836ee0f7	46	clk_hw_get_name(hw));
2850985f UH	47	else
	48	clk->is_prepared = 0;
	49	}
	50
	51	static int clk_prcmu_is_prepared(struct clk_hw *hw)
	52	{
	53	struct clk_prcmu *clk = to_clk_prcmu(hw);
	54	return clk->is_prepared;
3b01f87b UH	55	}
	56
	57	static int clk_prcmu_enable(struct clk_hw *hw)
	58	{
	59	struct clk_prcmu *clk = to_clk_prcmu(hw);
	60	clk->is_enabled = 1;
	61	return 0;
	62	}
	63
	64	static void clk_prcmu_disable(struct clk_hw *hw)
	65	{
	66	struct clk_prcmu *clk = to_clk_prcmu(hw);
	67	clk->is_enabled = 0;
	68	}
	69
	70	static int clk_prcmu_is_enabled(struct clk_hw *hw)
	71	{
	72	struct clk_prcmu *clk = to_clk_prcmu(hw);
	73	return clk->is_enabled;
	74	}
	75
	76	static unsigned long clk_prcmu_recalc_rate(struct clk_hw *hw,
	77	unsigned long parent_rate)
	78	{
	79	struct clk_prcmu *clk = to_clk_prcmu(hw);
	80	return prcmu_clock_rate(clk->cg_sel);
	81	}
	82
	83	static long clk_prcmu_round_rate(struct clk_hw *hw, unsigned long rate,
	84	unsigned long *parent_rate)
	85	{
	86	struct clk_prcmu *clk = to_clk_prcmu(hw);
	87	return prcmu_round_clock_rate(clk->cg_sel, rate);
	88	}
	89
	90	static int clk_prcmu_set_rate(struct clk_hw *hw, unsigned long rate,
	91	unsigned long parent_rate)
	92	{
	93	struct clk_prcmu *clk = to_clk_prcmu(hw);
	94	return prcmu_set_clock_rate(clk->cg_sel, rate);
	95	}
	96
3b01f87b UH	97	static int clk_prcmu_opp_prepare(struct clk_hw *hw)
	98	{
	99	int err;
	100	struct clk_prcmu *clk = to_clk_prcmu(hw);
	101
2850985f UH	102	if (!clk->opp_requested) {
2850985f UH	103	err = prcmu_qos_add_requirement(PRCMU_QOS_APE_OPP,
836ee0f7	104	(char *)clk_hw_get_name(hw),
2850985f UH	105	100);
	106	if (err) {
	107	pr_err("clk_prcmu: %s fail req APE OPP for %s.\n",
836ee0f7	108	__func__, clk_hw_get_name(hw));
2850985f UH	109	return err;
	110	}
	111	clk->opp_requested = 1;
3b01f87b UH	112	}
	113
	114	err = prcmu_request_clock(clk->cg_sel, true);
2850985f UH	115	if (err) {
2850985f UH	116	prcmu_qos_remove_requirement(PRCMU_QOS_APE_OPP,
836ee0f7	117	(char *)clk_hw_get_name(hw));
2850985f UH	118	clk->opp_requested = 0;
	119	return err;
	120	}
3b01f87b	121
2850985f UH	122	clk->is_prepared = 1;
2850985f UH	123	return 0;
3b01f87b UH	124	}
	125
	126	static void clk_prcmu_opp_unprepare(struct clk_hw *hw)
	127	{
	128	struct clk_prcmu *clk = to_clk_prcmu(hw);
	129
2850985f UH	130	if (prcmu_request_clock(clk->cg_sel, false)) {
2850985f UH	131	pr_err("clk_prcmu: %s failed to disable %s.\n", __func__,
836ee0f7	132	clk_hw_get_name(hw));
2850985f UH	133	return;
	134	}
	135
	136	if (clk->opp_requested) {
	137	prcmu_qos_remove_requirement(PRCMU_QOS_APE_OPP,
836ee0f7	138	(char *)clk_hw_get_name(hw));
2850985f UH	139	clk->opp_requested = 0;
	140	}
	141
	142	clk->is_prepared = 0;
3b01f87b UH	143	}
3b01f87b UH	144
b0ea0fc7 UH	145	static int clk_prcmu_opp_volt_prepare(struct clk_hw *hw)
	146	{
	147	int err;
	148	struct clk_prcmu *clk = to_clk_prcmu(hw);
	149
2850985f UH	150	if (!clk->opp_requested) {
	151	err = prcmu_request_ape_opp_100_voltage(true);
	152	if (err) {
	153	pr_err("clk_prcmu: %s fail req APE OPP VOLT for %s.\n",
836ee0f7	154	__func__, clk_hw_get_name(hw));
2850985f UH	155	return err;
	156	}
	157	clk->opp_requested = 1;
b0ea0fc7 UH	158	}
	159
	160	err = prcmu_request_clock(clk->cg_sel, true);
2850985f	161	if (err) {
b0ea0fc7	162	prcmu_request_ape_opp_100_voltage(false);
2850985f UH	163	clk->opp_requested = 0;
	164	return err;
	165	}
b0ea0fc7	166
2850985f UH	167	clk->is_prepared = 1;
2850985f UH	168	return 0;
b0ea0fc7 UH	169	}
	170
	171	static void clk_prcmu_opp_volt_unprepare(struct clk_hw *hw)
	172	{
	173	struct clk_prcmu *clk = to_clk_prcmu(hw);
	174
2850985f UH	175	if (prcmu_request_clock(clk->cg_sel, false)) {
2850985f UH	176	pr_err("clk_prcmu: %s failed to disable %s.\n", __func__,
836ee0f7	177	clk_hw_get_name(hw));
2850985f UH	178	return;
	179	}
	180
	181	if (clk->opp_requested) {
	182	prcmu_request_ape_opp_100_voltage(false);
	183	clk->opp_requested = 0;
	184	}
	185
	186	clk->is_prepared = 0;
b0ea0fc7 UH	187	}
b0ea0fc7 UH	188
df4f45a0	189	static const struct clk_ops clk_prcmu_scalable_ops = {
3b01f87b UH	190	.prepare = clk_prcmu_prepare,
3b01f87b UH	191	.unprepare = clk_prcmu_unprepare,
2850985f	192	.is_prepared = clk_prcmu_is_prepared,
3b01f87b UH	193	.enable = clk_prcmu_enable,
	194	.disable = clk_prcmu_disable,
	195	.is_enabled = clk_prcmu_is_enabled,
	196	.recalc_rate = clk_prcmu_recalc_rate,
	197	.round_rate = clk_prcmu_round_rate,
	198	.set_rate = clk_prcmu_set_rate,
	199	};
	200
df4f45a0	201	static const struct clk_ops clk_prcmu_gate_ops = {
3b01f87b UH	202	.prepare = clk_prcmu_prepare,
3b01f87b UH	203	.unprepare = clk_prcmu_unprepare,
2850985f	204	.is_prepared = clk_prcmu_is_prepared,
3b01f87b UH	205	.enable = clk_prcmu_enable,
	206	.disable = clk_prcmu_disable,
	207	.is_enabled = clk_prcmu_is_enabled,
	208	.recalc_rate = clk_prcmu_recalc_rate,
	209	};
	210
df4f45a0	211	static const struct clk_ops clk_prcmu_scalable_rate_ops = {
a816d250 UH	212	.is_enabled = clk_prcmu_is_enabled,
	213	.recalc_rate = clk_prcmu_recalc_rate,
	214	.round_rate = clk_prcmu_round_rate,
	215	.set_rate = clk_prcmu_set_rate,
	216	};
	217
df4f45a0	218	static const struct clk_ops clk_prcmu_rate_ops = {
70b1fce2 UH	219	.is_enabled = clk_prcmu_is_enabled,
	220	.recalc_rate = clk_prcmu_recalc_rate,
	221	};
	222
df4f45a0	223	static const struct clk_ops clk_prcmu_opp_gate_ops = {
3b01f87b UH	224	.prepare = clk_prcmu_opp_prepare,
3b01f87b UH	225	.unprepare = clk_prcmu_opp_unprepare,
2850985f	226	.is_prepared = clk_prcmu_is_prepared,
3b01f87b UH	227	.enable = clk_prcmu_enable,
	228	.disable = clk_prcmu_disable,
	229	.is_enabled = clk_prcmu_is_enabled,
	230	.recalc_rate = clk_prcmu_recalc_rate,
	231	};
	232
df4f45a0	233	static const struct clk_ops clk_prcmu_opp_volt_scalable_ops = {
b0ea0fc7 UH	234	.prepare = clk_prcmu_opp_volt_prepare,
b0ea0fc7 UH	235	.unprepare = clk_prcmu_opp_volt_unprepare,
2850985f	236	.is_prepared = clk_prcmu_is_prepared,
b0ea0fc7 UH	237	.enable = clk_prcmu_enable,
	238	.disable = clk_prcmu_disable,
	239	.is_enabled = clk_prcmu_is_enabled,
	240	.recalc_rate = clk_prcmu_recalc_rate,
	241	.round_rate = clk_prcmu_round_rate,
	242	.set_rate = clk_prcmu_set_rate,
	243	};
	244
3b01f87b UH	245	static struct clk clk_reg_prcmu(const char name,
	246	const char *parent_name,
	247	u8 cg_sel,
	248	unsigned long rate,
	249	unsigned long flags,
df4f45a0	250	const struct clk_ops *clk_prcmu_ops)
3b01f87b UH	251	{
	252	struct clk_prcmu *clk;
	253	struct clk_init_data clk_prcmu_init;
	254	struct clk *clk_reg;
	255
	256	if (!name) {
	257	pr_err("clk_prcmu: %s invalid arguments passed\n", __func__);
	258	return ERR_PTR(-EINVAL);
	259	}
	260
0b10adba	261	clk = kzalloc(sizeof(*clk), GFP_KERNEL);
7a294dc6	262	if (!clk)
3b01f87b	263	return ERR_PTR(-ENOMEM);
3b01f87b UH	264
3b01f87b UH	265	clk->cg_sel = cg_sel;
2850985f	266	clk->is_prepared = 1;
3b01f87b	267	clk->is_enabled = 1;
2850985f	268	clk->opp_requested = 0;
3b01f87b UH	269	/* "rate" can be used for changing the initial frequency */
	270	if (rate)
	271	prcmu_set_clock_rate(cg_sel, rate);
	272
	273	clk_prcmu_init.name = name;
	274	clk_prcmu_init.ops = clk_prcmu_ops;
	275	clk_prcmu_init.flags = flags;
	276	clk_prcmu_init.parent_names = (parent_name ? &parent_name : NULL);
	277	clk_prcmu_init.num_parents = (parent_name ? 1 : 0);
	278	clk->hw.init = &clk_prcmu_init;
	279
	280	clk_reg = clk_register(NULL, &clk->hw);
	281	if (IS_ERR_OR_NULL(clk_reg))
	282	goto free_clk;
	283
	284	return clk_reg;
	285
	286	free_clk:
	287	kfree(clk);
	288	pr_err("clk_prcmu: %s failed to register clk\n", __func__);
	289	return ERR_PTR(-ENOMEM);
	290	}
	291
	292	struct clk clk_reg_prcmu_scalable(const char name,
	293	const char *parent_name,
	294	u8 cg_sel,
	295	unsigned long rate,
	296	unsigned long flags)
	297	{
	298	return clk_reg_prcmu(name, parent_name, cg_sel, rate, flags,
	299	&clk_prcmu_scalable_ops);
	300	}
	301
	302	struct clk clk_reg_prcmu_gate(const char name,
	303	const char *parent_name,
	304	u8 cg_sel,
	305	unsigned long flags)
	306	{
	307	return clk_reg_prcmu(name, parent_name, cg_sel, 0, flags,
	308	&clk_prcmu_gate_ops);
	309	}
	310
a816d250 UH	311	struct clk clk_reg_prcmu_scalable_rate(const char name,
	312	const char *parent_name,
	313	u8 cg_sel,
	314	unsigned long rate,
	315	unsigned long flags)
	316	{
	317	return clk_reg_prcmu(name, parent_name, cg_sel, rate, flags,
	318	&clk_prcmu_scalable_rate_ops);
	319	}
	320
70b1fce2 UH	321	struct clk clk_reg_prcmu_rate(const char name,
	322	const char *parent_name,
	323	u8 cg_sel,
	324	unsigned long flags)
	325	{
	326	return clk_reg_prcmu(name, parent_name, cg_sel, 0, flags,
	327	&clk_prcmu_rate_ops);
	328	}
	329
3b01f87b UH	330	struct clk clk_reg_prcmu_opp_gate(const char name,
	331	const char *parent_name,
	332	u8 cg_sel,
	333	unsigned long flags)
	334	{
	335	return clk_reg_prcmu(name, parent_name, cg_sel, 0, flags,
	336	&clk_prcmu_opp_gate_ops);
	337	}
b0ea0fc7 UH	338
	339	struct clk clk_reg_prcmu_opp_volt_scalable(const char name,
	340	const char *parent_name,
	341	u8 cg_sel,
	342	unsigned long rate,
	343	unsigned long flags)
	344	{
	345	return clk_reg_prcmu(name, parent_name, cg_sel, rate, flags,
	346	&clk_prcmu_opp_volt_scalable_ops);
	347	}