6b13f685e
 김민수
BSP 최초 추가
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/*
* Hisilicon Hi3620 clock gate driver
*
* Copyright (c) 2012-2013 Hisilicon Limited.
* Copyright (c) 2012-2013 Linaro Limited.
*
* Author: Haojian Zhuang <haojian.zhuang@linaro.org>
* Xin Li <li.xin@linaro.org>
*
* 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, or
* (at your option) any later version.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#ifndef __HISI_CLK_H
#define __HISI_CLK_H
#include <linux/clk-provider.h>
#include <linux/io.h>
#include <linux/spinlock.h>
struct hisi_fixed_rate_clock {
unsigned int id;
char *name;
const char *parent_name;
unsigned long flags;
unsigned long fixed_rate;
};
struct hisi_fixed_factor_clock {
unsigned int id;
char *name;
const char *parent_name;
unsigned long mult;
unsigned long div;
unsigned long flags;
};
struct hisi_mux_clock {
unsigned int id;
const char *name;
const char **parent_names;
u8 num_parents;
unsigned long flags;
unsigned long offset;
u8 shift;
u8 width;
u8 mux_flags;
const char *alias;
};
struct hisi_divider_clock {
unsigned int id;
const char *name;
const char *parent_name;
unsigned long flags;
unsigned long offset;
u8 shift;
u8 width;
u8 div_flags;
struct clk_div_table *table;
const char *alias;
};
struct hisi_gate_clock {
unsigned int id;
const char *name;
const char *parent_name;
unsigned long flags;
unsigned long offset;
u8 bit_idx;
u8 gate_flags;
const char *alias;
};
struct clk *hisi_register_clkgate_sep(struct device *, const char *,
const char *, unsigned long,
void __iomem *, u8,
u8, spinlock_t *);
void __init hisi_clk_init(struct device_node *, int);
void __init hisi_clk_register_fixed_rate(struct hisi_fixed_rate_clock *,
int, void __iomem *);
void __init hisi_clk_register_fixed_factor(struct hisi_fixed_factor_clock *,
int, void __iomem *);
void __init hisi_clk_register_mux(struct hisi_mux_clock *, int,
void __iomem *);
void __init hisi_clk_register_divider(struct hisi_divider_clock *,
int, void __iomem *);
void __init hisi_clk_register_gate_sep(struct hisi_gate_clock *,
int, void __iomem *);
#endif /* __HISI_CLK_H */
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