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154 lines
4.5 KiB
154 lines
4.5 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* Copyright (C) 2016 Socionext Inc. |
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* Author: Masahiro Yamada <[email protected]> |
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*/ |
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#ifndef __CLK_UNIPHIER_H__ |
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#define __CLK_UNIPHIER_H__ |
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struct clk_hw; |
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struct device; |
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struct regmap; |
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#define UNIPHIER_CLK_CPUGEAR_MAX_PARENTS 16 |
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#define UNIPHIER_CLK_MUX_MAX_PARENTS 8 |
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enum uniphier_clk_type { |
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UNIPHIER_CLK_TYPE_CPUGEAR, |
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UNIPHIER_CLK_TYPE_FIXED_FACTOR, |
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UNIPHIER_CLK_TYPE_FIXED_RATE, |
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UNIPHIER_CLK_TYPE_GATE, |
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UNIPHIER_CLK_TYPE_MUX, |
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}; |
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struct uniphier_clk_cpugear_data { |
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const char *parent_names[UNIPHIER_CLK_CPUGEAR_MAX_PARENTS]; |
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unsigned int num_parents; |
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unsigned int regbase; |
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unsigned int mask; |
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}; |
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struct uniphier_clk_fixed_factor_data { |
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const char *parent_name; |
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unsigned int mult; |
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unsigned int div; |
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}; |
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struct uniphier_clk_fixed_rate_data { |
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unsigned long fixed_rate; |
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}; |
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struct uniphier_clk_gate_data { |
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const char *parent_name; |
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unsigned int reg; |
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unsigned int bit; |
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}; |
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struct uniphier_clk_mux_data { |
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const char *parent_names[UNIPHIER_CLK_MUX_MAX_PARENTS]; |
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unsigned int num_parents; |
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unsigned int reg; |
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unsigned int masks[UNIPHIER_CLK_MUX_MAX_PARENTS]; |
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unsigned int vals[UNIPHIER_CLK_MUX_MAX_PARENTS]; |
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}; |
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struct uniphier_clk_data { |
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const char *name; |
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enum uniphier_clk_type type; |
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int idx; |
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union { |
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struct uniphier_clk_cpugear_data cpugear; |
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struct uniphier_clk_fixed_factor_data factor; |
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struct uniphier_clk_fixed_rate_data rate; |
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struct uniphier_clk_gate_data gate; |
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struct uniphier_clk_mux_data mux; |
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} data; |
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}; |
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#define UNIPHIER_CLK_CPUGEAR(_name, _idx, _regbase, _mask, \ |
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_num_parents, ...) \ |
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{ \ |
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.name = (_name), \ |
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.type = UNIPHIER_CLK_TYPE_CPUGEAR, \ |
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.idx = (_idx), \ |
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.data.cpugear = { \ |
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.parent_names = { __VA_ARGS__ }, \ |
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.num_parents = (_num_parents), \ |
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.regbase = (_regbase), \ |
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.mask = (_mask) \ |
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}, \ |
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} |
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#define UNIPHIER_CLK_FACTOR(_name, _idx, _parent, _mult, _div) \ |
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{ \ |
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.name = (_name), \ |
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.type = UNIPHIER_CLK_TYPE_FIXED_FACTOR, \ |
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.idx = (_idx), \ |
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.data.factor = { \ |
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.parent_name = (_parent), \ |
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.mult = (_mult), \ |
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.div = (_div), \ |
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}, \ |
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} |
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#define UNIPHIER_CLK_GATE(_name, _idx, _parent, _reg, _bit) \ |
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{ \ |
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.name = (_name), \ |
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.type = UNIPHIER_CLK_TYPE_GATE, \ |
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.idx = (_idx), \ |
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.data.gate = { \ |
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.parent_name = (_parent), \ |
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.reg = (_reg), \ |
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.bit = (_bit), \ |
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}, \ |
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} |
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#define UNIPHIER_CLK_DIV(parent, div) \ |
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UNIPHIER_CLK_FACTOR(parent "/" #div, -1, parent, 1, div) |
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#define UNIPHIER_CLK_DIV2(parent, div0, div1) \ |
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UNIPHIER_CLK_DIV(parent, div0), \ |
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UNIPHIER_CLK_DIV(parent, div1) |
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#define UNIPHIER_CLK_DIV3(parent, div0, div1, div2) \ |
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UNIPHIER_CLK_DIV2(parent, div0, div1), \ |
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UNIPHIER_CLK_DIV(parent, div2) |
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#define UNIPHIER_CLK_DIV4(parent, div0, div1, div2, div3) \ |
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UNIPHIER_CLK_DIV2(parent, div0, div1), \ |
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UNIPHIER_CLK_DIV2(parent, div2, div3) |
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struct clk_hw *uniphier_clk_register_cpugear(struct device *dev, |
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struct regmap *regmap, |
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const char *name, |
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const struct uniphier_clk_cpugear_data *data); |
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struct clk_hw *uniphier_clk_register_fixed_factor(struct device *dev, |
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const char *name, |
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const struct uniphier_clk_fixed_factor_data *data); |
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struct clk_hw *uniphier_clk_register_fixed_rate(struct device *dev, |
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const char *name, |
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const struct uniphier_clk_fixed_rate_data *data); |
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struct clk_hw *uniphier_clk_register_gate(struct device *dev, |
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struct regmap *regmap, |
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const char *name, |
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const struct uniphier_clk_gate_data *data); |
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struct clk_hw *uniphier_clk_register_mux(struct device *dev, |
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struct regmap *regmap, |
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const char *name, |
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const struct uniphier_clk_mux_data *data); |
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extern const struct uniphier_clk_data uniphier_ld4_sys_clk_data[]; |
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extern const struct uniphier_clk_data uniphier_pro4_sys_clk_data[]; |
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extern const struct uniphier_clk_data uniphier_sld8_sys_clk_data[]; |
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extern const struct uniphier_clk_data uniphier_pro5_sys_clk_data[]; |
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extern const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[]; |
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extern const struct uniphier_clk_data uniphier_ld11_sys_clk_data[]; |
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extern const struct uniphier_clk_data uniphier_ld20_sys_clk_data[]; |
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extern const struct uniphier_clk_data uniphier_pxs3_sys_clk_data[]; |
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extern const struct uniphier_clk_data uniphier_ld4_mio_clk_data[]; |
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extern const struct uniphier_clk_data uniphier_pro5_sd_clk_data[]; |
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extern const struct uniphier_clk_data uniphier_ld4_peri_clk_data[]; |
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extern const struct uniphier_clk_data uniphier_pro4_peri_clk_data[]; |
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#endif /* __CLK_UNIPHIER_H__ */
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