| .. | .. |
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| 1 | | -// SPDX-License-Identifier: GPL-2.0+ |
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| 1 | +/* SPDX-License-Identifier: GPL-2.0+ */ |
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| 2 | 2 | // |
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| 3 | 3 | // OWL pll clock driver |
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| 4 | 4 | // |
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| .. | .. |
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| 12 | 12 | #define _OWL_PLL_H_ |
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| 13 | 13 | |
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| 14 | 14 | #include "owl-common.h" |
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| 15 | + |
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| 16 | +#define OWL_PLL_DEF_DELAY 50 |
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| 15 | 17 | |
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| 16 | 18 | /* last entry should have rate = 0 */ |
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| 17 | 19 | struct clk_pll_table { |
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| .. | .. |
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| 27 | 29 | u8 width; |
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| 28 | 30 | u8 min_mul; |
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| 29 | 31 | u8 max_mul; |
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| 32 | + u8 delay; |
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| 30 | 33 | const struct clk_pll_table *table; |
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| 31 | 34 | }; |
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| 32 | 35 | |
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| .. | .. |
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| 36 | 39 | }; |
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| 37 | 40 | |
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| 38 | 41 | #define OWL_PLL_HW(_reg, _bfreq, _bit_idx, _shift, \ |
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| 39 | | - _width, _min_mul, _max_mul, _table) \ |
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| 42 | + _width, _min_mul, _max_mul, _delay, _table) \ |
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| 40 | 43 | { \ |
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| 41 | 44 | .reg = _reg, \ |
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| 42 | 45 | .bfreq = _bfreq, \ |
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| .. | .. |
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| 45 | 48 | .width = _width, \ |
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| 46 | 49 | .min_mul = _min_mul, \ |
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| 47 | 50 | .max_mul = _max_mul, \ |
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| 51 | + .delay = _delay, \ |
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| 48 | 52 | .table = _table, \ |
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| 49 | 53 | } |
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| 50 | 54 | |
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| .. | .. |
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| 52 | 56 | _shift, _width, _min_mul, _max_mul, _table, _flags) \ |
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| 53 | 57 | struct owl_pll _struct = { \ |
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| 54 | 58 | .pll_hw = OWL_PLL_HW(_reg, _bfreq, _bit_idx, _shift, \ |
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| 55 | | - _width, _min_mul, \ |
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| 56 | | - _max_mul, _table), \ |
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| 59 | + _width, _min_mul, _max_mul, \ |
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| 60 | + OWL_PLL_DEF_DELAY, _table), \ |
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| 57 | 61 | .common = { \ |
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| 58 | 62 | .regmap = NULL, \ |
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| 59 | 63 | .hw.init = CLK_HW_INIT(_name, \ |
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| .. | .. |
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| 67 | 71 | _shift, _width, _min_mul, _max_mul, _table, _flags) \ |
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| 68 | 72 | struct owl_pll _struct = { \ |
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| 69 | 73 | .pll_hw = OWL_PLL_HW(_reg, _bfreq, _bit_idx, _shift, \ |
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| 70 | | - _width, _min_mul, \ |
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| 71 | | - _max_mul, _table), \ |
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| 74 | + _width, _min_mul, _max_mul, \ |
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| 75 | + OWL_PLL_DEF_DELAY, _table), \ |
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| 76 | + .common = { \ |
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| 77 | + .regmap = NULL, \ |
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| 78 | + .hw.init = CLK_HW_INIT_NO_PARENT(_name, \ |
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| 79 | + &owl_pll_ops, \ |
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| 80 | + _flags), \ |
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| 81 | + }, \ |
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| 82 | + } |
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| 83 | + |
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| 84 | +#define OWL_PLL_NO_PARENT_DELAY(_struct, _name, _reg, _bfreq, _bit_idx, \ |
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| 85 | + _shift, _width, _min_mul, _max_mul, _delay, _table, \ |
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| 86 | + _flags) \ |
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| 87 | + struct owl_pll _struct = { \ |
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| 88 | + .pll_hw = OWL_PLL_HW(_reg, _bfreq, _bit_idx, _shift, \ |
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| 89 | + _width, _min_mul, _max_mul, \ |
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| 90 | + _delay, _table), \ |
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| 72 | 91 | .common = { \ |
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| 73 | 92 | .regmap = NULL, \ |
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| 74 | 93 | .hw.init = CLK_HW_INIT_NO_PARENT(_name, \ |
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| .. | .. |
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| 78 | 97 | } |
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| 79 | 98 | |
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| 80 | 99 | #define mul_mask(m) ((1 << ((m)->width)) - 1) |
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| 81 | | -#define PLL_STABILITY_WAIT_US (50) |
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| 82 | 100 | |
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| 83 | 101 | static inline struct owl_pll *hw_to_owl_pll(const struct clk_hw *hw) |
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| 84 | 102 | { |
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