Haojian Zhuang | 0aa0c95 | 2013-11-13 08:51:23 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Hisilicon Hi3620 clock gate driver |
| 3 | * |
| 4 | * Copyright (c) 2012-2013 Hisilicon Limited. |
| 5 | * Copyright (c) 2012-2013 Linaro Limited. |
| 6 | * |
| 7 | * Author: Haojian Zhuang <haojian.zhuang@linaro.org> |
| 8 | * Xin Li <li.xin@linaro.org> |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; either version 2 of the License, or |
| 13 | * (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License along |
| 21 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 22 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 23 | * |
| 24 | */ |
| 25 | |
| 26 | #ifndef __HISI_CLK_H |
| 27 | #define __HISI_CLK_H |
| 28 | |
| 29 | #include <linux/clk-provider.h> |
| 30 | #include <linux/io.h> |
| 31 | #include <linux/spinlock.h> |
| 32 | |
Haojian Zhuang | 75af25f | 2013-12-24 21:38:26 +0800 | [diff] [blame] | 33 | struct hisi_clock_data { |
| 34 | struct clk_onecell_data clk_data; |
| 35 | void __iomem *base; |
| 36 | }; |
| 37 | |
Haojian Zhuang | 0aa0c95 | 2013-11-13 08:51:23 +0800 | [diff] [blame] | 38 | struct hisi_fixed_rate_clock { |
| 39 | unsigned int id; |
| 40 | char *name; |
| 41 | const char *parent_name; |
| 42 | unsigned long flags; |
| 43 | unsigned long fixed_rate; |
| 44 | }; |
| 45 | |
| 46 | struct hisi_fixed_factor_clock { |
| 47 | unsigned int id; |
| 48 | char *name; |
| 49 | const char *parent_name; |
| 50 | unsigned long mult; |
| 51 | unsigned long div; |
| 52 | unsigned long flags; |
| 53 | }; |
| 54 | |
| 55 | struct hisi_mux_clock { |
| 56 | unsigned int id; |
| 57 | const char *name; |
Uwe Kleine-König | 4a1caed | 2015-05-28 10:45:51 +0200 | [diff] [blame] | 58 | const char *const *parent_names; |
Haojian Zhuang | 0aa0c95 | 2013-11-13 08:51:23 +0800 | [diff] [blame] | 59 | u8 num_parents; |
| 60 | unsigned long flags; |
| 61 | unsigned long offset; |
| 62 | u8 shift; |
| 63 | u8 width; |
| 64 | u8 mux_flags; |
Zhangfei Gao | 156342a | 2014-04-21 11:35:21 +0800 | [diff] [blame] | 65 | u32 *table; |
Haojian Zhuang | 0aa0c95 | 2013-11-13 08:51:23 +0800 | [diff] [blame] | 66 | const char *alias; |
| 67 | }; |
| 68 | |
| 69 | struct hisi_divider_clock { |
| 70 | unsigned int id; |
| 71 | const char *name; |
| 72 | const char *parent_name; |
| 73 | unsigned long flags; |
| 74 | unsigned long offset; |
| 75 | u8 shift; |
| 76 | u8 width; |
| 77 | u8 div_flags; |
| 78 | struct clk_div_table *table; |
| 79 | const char *alias; |
| 80 | }; |
| 81 | |
Bintian Wang | 72ea486 | 2015-05-29 10:08:38 +0800 | [diff] [blame] | 82 | struct hi6220_divider_clock { |
| 83 | unsigned int id; |
| 84 | const char *name; |
| 85 | const char *parent_name; |
| 86 | unsigned long flags; |
| 87 | unsigned long offset; |
| 88 | u8 shift; |
| 89 | u8 width; |
| 90 | u32 mask_bit; |
| 91 | const char *alias; |
| 92 | }; |
| 93 | |
Haojian Zhuang | 0aa0c95 | 2013-11-13 08:51:23 +0800 | [diff] [blame] | 94 | struct hisi_gate_clock { |
| 95 | unsigned int id; |
| 96 | const char *name; |
| 97 | const char *parent_name; |
| 98 | unsigned long flags; |
| 99 | unsigned long offset; |
| 100 | u8 bit_idx; |
| 101 | u8 gate_flags; |
| 102 | const char *alias; |
| 103 | }; |
| 104 | |
| 105 | struct clk *hisi_register_clkgate_sep(struct device *, const char *, |
| 106 | const char *, unsigned long, |
| 107 | void __iomem *, u8, |
| 108 | u8, spinlock_t *); |
Bintian Wang | 72ea486 | 2015-05-29 10:08:38 +0800 | [diff] [blame] | 109 | struct clk *hi6220_register_clkdiv(struct device *dev, const char *name, |
| 110 | const char *parent_name, unsigned long flags, void __iomem *reg, |
| 111 | u8 shift, u8 width, u32 mask_bit, spinlock_t *lock); |
Haojian Zhuang | 0aa0c95 | 2013-11-13 08:51:23 +0800 | [diff] [blame] | 112 | |
Bintian Wang | 463cfb2 | 2015-05-29 10:08:36 +0800 | [diff] [blame] | 113 | struct hisi_clock_data *hisi_clk_init(struct device_node *, int); |
| 114 | void hisi_clk_register_fixed_rate(struct hisi_fixed_rate_clock *, |
Haojian Zhuang | 75af25f | 2013-12-24 21:38:26 +0800 | [diff] [blame] | 115 | int, struct hisi_clock_data *); |
Bintian Wang | 463cfb2 | 2015-05-29 10:08:36 +0800 | [diff] [blame] | 116 | void hisi_clk_register_fixed_factor(struct hisi_fixed_factor_clock *, |
| 117 | int, struct hisi_clock_data *); |
| 118 | void hisi_clk_register_mux(struct hisi_mux_clock *, int, |
| 119 | struct hisi_clock_data *); |
| 120 | void hisi_clk_register_divider(struct hisi_divider_clock *, |
| 121 | int, struct hisi_clock_data *); |
| 122 | void hisi_clk_register_gate(struct hisi_gate_clock *, |
| 123 | int, struct hisi_clock_data *); |
| 124 | void hisi_clk_register_gate_sep(struct hisi_gate_clock *, |
| 125 | int, struct hisi_clock_data *); |
Bintian Wang | 72ea486 | 2015-05-29 10:08:38 +0800 | [diff] [blame] | 126 | void hi6220_clk_register_divider(struct hi6220_divider_clock *, |
| 127 | int, struct hisi_clock_data *); |
Haojian Zhuang | 0aa0c95 | 2013-11-13 08:51:23 +0800 | [diff] [blame] | 128 | #endif /* __HISI_CLK_H */ |