| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2014 MediaTek Inc. |
| 3 | * Author: James Liao <jamesjj.liao@mediatek.com> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License version 2 as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | */ |
| 14 | #ifndef __DRV_CLK_GATE_H |
| 15 | #define __DRV_CLK_GATE_H |
| 16 | #include <linux/regmap.h> |
| 17 | #include <linux/clk-provider.h> |
| 18 | struct clk; |
| 19 | /* |
| 20 | * define pwr status information. |
| 21 | * including offsets/mask. |
| 22 | */ |
| 23 | struct pwr_status { |
| 24 | s32 pwr_ofs; |
| 25 | s32 pwr2_ofs; |
| 26 | s32 other_ofs; |
| 27 | u32 mask; |
| 28 | u32 val; |
| 29 | }; |
| 30 | struct mtk_clk_gate { |
| 31 | struct clk_hw hw; |
| 32 | struct regmap *regmap; |
| 33 | int set_ofs; |
| 34 | int clr_ofs; |
| 35 | int sta_ofs; |
| 36 | u8 bit; |
| 37 | struct pwr_status *pwr_stat; |
| 38 | struct regmap *pwr_regmap; |
| 39 | }; |
| 40 | static inline struct mtk_clk_gate *to_mtk_clk_gate(struct clk_hw *hw) |
| 41 | { |
| 42 | return container_of(hw, struct mtk_clk_gate, hw); |
| 43 | } |
| 44 | extern const struct clk_ops mtk_clk_gate_ops_setclr; |
| 45 | extern const struct clk_ops mtk_clk_gate_ops_setclr_inv; |
| 46 | extern const struct clk_ops mtk_clk_gate_ops_no_setclr; |
| 47 | extern const struct clk_ops mtk_clk_gate_ops_no_setclr_inv; |
| 48 | struct clk *mtk_clk_register_gate( |
| 49 | const char *name, |
| 50 | const char *parent_name, |
| 51 | struct regmap *regmap, |
| 52 | int set_ofs, |
| 53 | int clr_ofs, |
| 54 | int sta_ofs, |
| 55 | u8 bit, |
| 56 | const struct clk_ops *ops, |
| 57 | unsigned long flags, |
| 58 | struct pwr_status *pwr_stat, |
| 59 | struct regmap *pwr_regmap); |
| 60 | #define GATE_PWR_STAT(_pwr_ofs, _pwr2_ofs, _other_ofs, _mask, _val) { \ |
| 61 | .pwr_ofs = _pwr_ofs, \ |
| 62 | .pwr2_ofs = _pwr2_ofs, \ |
| 63 | .other_ofs = _other_ofs, \ |
| 64 | .mask = _mask, \ |
| 65 | .val = _val, \ |
| 66 | } |
| 67 | #endif /* __DRV_CLK_GATE_H */ |